Merge branch 'development' of github.com:smartcorelib/smartcore into development

.github/workflows/ci.yml

@@ -19,6 +19,7 @@ jobs:
             { os: "ubuntu", target: "i686-unknown-linux-gnu" },
             { os: "ubuntu", target: "wasm32-unknown-unknown" },
             { os: "macos", target: "aarch64-apple-darwin" },
+            { os: "ubuntu", target: "wasm32-wasi" },
           ]
     env:
       TZ: "/usr/share/zoneinfo/your/location"
@@ -42,6 +43,9 @@ jobs:
       - name: Install test runner for wasm
         if: matrix.platform.target == 'wasm32-unknown-unknown'
         run: curl https://rustwasm.github.io/wasm-pack/installer/init.sh -sSf | sh
+      - name: Install test runner for wasi
+        if: matrix.platform.target == 'wasm32-wasi'
+        run: curl https://wasmtime.dev/install.sh -sSf | bash
       - name: Stable Build
         uses: actions-rs/cargo@v1
         with:
@@ -56,6 +60,12 @@ jobs:
       - name: Tests in WASM
         if: matrix.platform.target == 'wasm32-unknown-unknown'
         run: wasm-pack test --node -- --all-features
+      - name: Tests in WASI
+        if: matrix.platform.target == 'wasm32-wasi'
+        run: |
+          export WASMTIME_HOME="$HOME/.wasmtime"
+          export PATH="$WASMTIME_HOME/bin:$PATH"
+          cargo install cargo-wasi && cargo wasi test
 
   check_features:
     runs-on: "${{ matrix.platform.os }}-latest"

Cargo.toml

@@ -40,9 +40,12 @@ criterion = { version = "0.4", default-features = false }
 serde_json = "1.0"
 bincode = "1.3.1"
 
-[target.'cfg(target_arch = "wasm32")'.dev-dependencies]
+[target.'cfg(all(target_arch = "wasm32", not(target_os = "wasi")))'.dev-dependencies]
 wasm-bindgen-test = "0.3"
 
+[workspace]
+resolver = "2"
+
 [profile.test]
 debug = 1
 opt-level = 3

src/algorithm/neighbour/bbd_tree.rs

@@ -316,7 +316,10 @@ mod tests {
     use super::*;
     use crate::linalg::basic::matrix::DenseMatrix;
 
-    #[cfg_attr(target_arch = "wasm32", wasm_bindgen_test::wasm_bindgen_test)]
+    #[cfg_attr(
+        all(target_arch = "wasm32", not(target_os = "wasi")),
+        wasm_bindgen_test::wasm_bindgen_test
+    )]
     #[test]
     fn bbdtree_iris() {
         let data = DenseMatrix::from_2d_array(&[

src/algorithm/neighbour/cover_tree.rs

@@ -468,7 +468,10 @@ mod tests {
         }
     }
 
-    #[cfg_attr(target_arch = "wasm32", wasm_bindgen_test::wasm_bindgen_test)]
+    #[cfg_attr(
+        all(target_arch = "wasm32", not(target_os = "wasi")),
+        wasm_bindgen_test::wasm_bindgen_test
+    )]
     #[test]
     fn cover_tree_test() {
         let data = vec![1, 2, 3, 4, 5, 6, 7, 8, 9];
@@ -485,7 +488,10 @@ mod tests {
         let knn: Vec<i32> = knn.iter().map(|v| *v.2).collect();
         assert_eq!(vec!(3, 4, 5, 6, 7), knn);
     }
-    #[cfg_attr(target_arch = "wasm32", wasm_bindgen_test::wasm_bindgen_test)]
+    #[cfg_attr(
+        all(target_arch = "wasm32", not(target_os = "wasi")),
+        wasm_bindgen_test::wasm_bindgen_test
+    )]
     #[test]
     fn cover_tree_test1() {
         let data = vec![
@@ -504,7 +510,10 @@ mod tests {
 
         assert_eq!(vec!(0, 1, 2), knn);
     }
-    #[cfg_attr(target_arch = "wasm32", wasm_bindgen_test::wasm_bindgen_test)]
+    #[cfg_attr(
+        all(target_arch = "wasm32", not(target_os = "wasi")),
+        wasm_bindgen_test::wasm_bindgen_test
+    )]
     #[test]
     #[cfg(feature = "serde")]
     fn serde() {

src/algorithm/neighbour/linear_search.rs

@@ -143,7 +143,10 @@ mod tests {
         }
     }
 
-    #[cfg_attr(target_arch = "wasm32", wasm_bindgen_test::wasm_bindgen_test)]
+    #[cfg_attr(
+        all(target_arch = "wasm32", not(target_os = "wasi")),
+        wasm_bindgen_test::wasm_bindgen_test
+    )]
     #[test]
     fn knn_find() {
         let data1 = vec![1, 2, 3, 4, 5, 6, 7, 8, 9, 10];
@@ -190,7 +193,10 @@ mod tests {
 
         assert_eq!(vec!(1, 2, 3), found_idxs2);
     }
-    #[cfg_attr(target_arch = "wasm32", wasm_bindgen_test::wasm_bindgen_test)]
+    #[cfg_attr(
+        all(target_arch = "wasm32", not(target_os = "wasi")),
+        wasm_bindgen_test::wasm_bindgen_test
+    )]
     #[test]
     fn knn_point_eq() {
         let point1 = KNNPoint {

src/algorithm/sort/heap_select.rs

@@ -95,14 +95,20 @@ impl<T: PartialOrd + Debug> HeapSelection<T> {
 mod tests {
     use super::*;
 
-    #[cfg_attr(target_arch = "wasm32", wasm_bindgen_test::wasm_bindgen_test)]
+    #[cfg_attr(
+        all(target_arch = "wasm32", not(target_os = "wasi")),
+        wasm_bindgen_test::wasm_bindgen_test
+    )]
     #[test]
     fn with_capacity() {
         let heap = HeapSelection::<i32>::with_capacity(3);
         assert_eq!(3, heap.k);
     }
 
-    #[cfg_attr(target_arch = "wasm32", wasm_bindgen_test::wasm_bindgen_test)]
+    #[cfg_attr(
+        all(target_arch = "wasm32", not(target_os = "wasi")),
+        wasm_bindgen_test::wasm_bindgen_test
+    )]
     #[test]
     fn test_add() {
         let mut heap = HeapSelection::with_capacity(3);
@@ -120,7 +126,10 @@ mod tests {
         assert_eq!(vec![2, 0, -5], heap.get());
     }
 
-    #[cfg_attr(target_arch = "wasm32", wasm_bindgen_test::wasm_bindgen_test)]
+    #[cfg_attr(
+        all(target_arch = "wasm32", not(target_os = "wasi")),
+        wasm_bindgen_test::wasm_bindgen_test
+    )]
     #[test]
     fn test_add1() {
         let mut heap = HeapSelection::with_capacity(3);
@@ -135,7 +144,10 @@ mod tests {
         assert_eq!(vec![0f64, -1f64, -5f64], heap.get());
     }
 
-    #[cfg_attr(target_arch = "wasm32", wasm_bindgen_test::wasm_bindgen_test)]
+    #[cfg_attr(
+        all(target_arch = "wasm32", not(target_os = "wasi")),
+        wasm_bindgen_test::wasm_bindgen_test
+    )]
     #[test]
     fn test_add2() {
         let mut heap = HeapSelection::with_capacity(3);
@@ -148,7 +160,10 @@ mod tests {
         assert_eq!(vec![5.6568, 2.8284, 0.0], heap.get());
     }
 
-    #[cfg_attr(target_arch = "wasm32", wasm_bindgen_test::wasm_bindgen_test)]
+    #[cfg_attr(
+        all(target_arch = "wasm32", not(target_os = "wasi")),
+        wasm_bindgen_test::wasm_bindgen_test
+    )]
     #[test]
     fn test_add_ordered() {
         let mut heap = HeapSelection::with_capacity(3);

src/algorithm/sort/quick_sort.rs

@@ -113,7 +113,10 @@ impl<T: Num + PartialOrd + Copy> QuickArgSort for Vec<T> {
 mod tests {
     use super::*;
 
-    #[cfg_attr(target_arch = "wasm32", wasm_bindgen_test::wasm_bindgen_test)]
+    #[cfg_attr(
+        all(target_arch = "wasm32", not(target_os = "wasi")),
+        wasm_bindgen_test::wasm_bindgen_test
+    )]
     #[test]
     fn with_capacity() {
         let arr1 = vec![0.3, 0.1, 0.2, 0.4, 0.9, 0.5, 0.7, 0.6, 0.8];

src/cluster/dbscan.rs

@@ -425,7 +425,10 @@ mod tests {
         assert!(iter.next().is_none());
     }
 
-    #[cfg_attr(target_arch = "wasm32", wasm_bindgen_test::wasm_bindgen_test)]
+    #[cfg_attr(
+        all(target_arch = "wasm32", not(target_os = "wasi")),
+        wasm_bindgen_test::wasm_bindgen_test
+    )]
     #[test]
     fn fit_predict_dbscan() {
         let x = DenseMatrix::from_2d_array(&[
@@ -457,7 +460,10 @@ mod tests {
         assert_eq!(expected_labels, predicted_labels);
     }
 
-    #[cfg_attr(target_arch = "wasm32", wasm_bindgen_test::wasm_bindgen_test)]
+    #[cfg_attr(
+        all(target_arch = "wasm32", not(target_os = "wasi")),
+        wasm_bindgen_test::wasm_bindgen_test
+    )]
     #[test]
     #[cfg(feature = "serde")]
     fn serde() {
@@ -491,10 +497,12 @@ mod tests {
 
         assert_eq!(dbscan, deserialized_dbscan);
     }
-    use crate::dataset::generator;
 
+    #[cfg(feature = "datasets")]
     #[test]
     fn from_vec() {
+        use crate::dataset::generator;
+
         // Generate three blobs
         let blobs = generator::make_blobs(100, 2, 3);
         let x: DenseMatrix<f32> = DenseMatrix::from_iterator(blobs.data.into_iter(), 100, 2, 0);

src/cluster/kmeans.rs

@@ -418,7 +418,10 @@ mod tests {
     use super::*;
     use crate::linalg::basic::matrix::DenseMatrix;
 
-    #[cfg_attr(target_arch = "wasm32", wasm_bindgen_test::wasm_bindgen_test)]
+    #[cfg_attr(
+        all(target_arch = "wasm32", not(target_os = "wasi")),
+        wasm_bindgen_test::wasm_bindgen_test
+    )]
     #[test]
     fn invalid_k() {
         let x = DenseMatrix::from_2d_array(&[&[1, 2, 3], &[4, 5, 6]]);
@@ -462,7 +465,10 @@ mod tests {
         assert!(iter.next().is_none());
     }
 
-    #[cfg_attr(target_arch = "wasm32", wasm_bindgen_test::wasm_bindgen_test)]
+    #[cfg_attr(
+        all(target_arch = "wasm32", not(target_os = "wasi")),
+        wasm_bindgen_test::wasm_bindgen_test
+    )]
     #[test]
     fn fit_predict_iris() {
         let x = DenseMatrix::from_2d_array(&[
@@ -497,7 +503,10 @@ mod tests {
         }
     }
 
-    #[cfg_attr(target_arch = "wasm32", wasm_bindgen_test::wasm_bindgen_test)]
+    #[cfg_attr(
+        all(target_arch = "wasm32", not(target_os = "wasi")),
+        wasm_bindgen_test::wasm_bindgen_test
+    )]
     #[test]
     #[cfg(feature = "serde")]
     fn serde() {

src/dataset/boston.rs

@@ -69,7 +69,10 @@ mod tests {
         assert!(serialize_data(&dataset, "boston.xy").is_ok());
     }
 
-    #[cfg_attr(target_arch = "wasm32", wasm_bindgen_test::wasm_bindgen_test)]
+    #[cfg_attr(
+        all(target_arch = "wasm32", not(target_os = "wasi")),
+        wasm_bindgen_test::wasm_bindgen_test
+    )]
     #[test]
     fn boston_dataset() {
         let dataset = load_dataset();

src/dataset/breast_cancer.rs

@@ -83,7 +83,10 @@ mod tests {
     //     assert!(serialize_data(&dataset, "breast_cancer.xy").is_ok());
     // }
 
-    #[cfg_attr(target_arch = "wasm32", wasm_bindgen_test::wasm_bindgen_test)]
+    #[cfg_attr(
+        all(target_arch = "wasm32", not(target_os = "wasi")),
+        wasm_bindgen_test::wasm_bindgen_test
+    )]
     #[test]
     fn cancer_dataset() {
         let dataset = load_dataset();

src/dataset/diabetes.rs

@@ -67,7 +67,10 @@ mod tests {
     //     assert!(serialize_data(&dataset, "diabetes.xy").is_ok());
     // }
 
-    #[cfg_attr(target_arch = "wasm32", wasm_bindgen_test::wasm_bindgen_test)]
+    #[cfg_attr(
+        all(target_arch = "wasm32", not(target_os = "wasi")),
+        wasm_bindgen_test::wasm_bindgen_test
+    )]
     #[test]
     fn boston_dataset() {
         let dataset = load_dataset();

src/dataset/digits.rs

@@ -57,7 +57,10 @@ mod tests {
         let dataset = load_dataset();
         assert!(serialize_data(&dataset, "digits.xy").is_ok());
     }
-    #[cfg_attr(target_arch = "wasm32", wasm_bindgen_test::wasm_bindgen_test)]
+    #[cfg_attr(
+        all(target_arch = "wasm32", not(target_os = "wasi")),
+        wasm_bindgen_test::wasm_bindgen_test
+    )]
     #[test]
     fn digits_dataset() {
         let dataset = load_dataset();

src/dataset/generator.rs

@@ -137,7 +137,10 @@ mod tests {
 
     use super::*;
 
-    #[cfg_attr(target_arch = "wasm32", wasm_bindgen_test::wasm_bindgen_test)]
+    #[cfg_attr(
+        all(target_arch = "wasm32", not(target_os = "wasi")),
+        wasm_bindgen_test::wasm_bindgen_test
+    )]
     #[test]
     fn test_make_blobs() {
         let dataset = make_blobs(10, 2, 3);
@@ -150,7 +153,10 @@ mod tests {
         assert_eq!(dataset.num_samples, 10);
     }
 
-    #[cfg_attr(target_arch = "wasm32", wasm_bindgen_test::wasm_bindgen_test)]
+    #[cfg_attr(
+        all(target_arch = "wasm32", not(target_os = "wasi")),
+        wasm_bindgen_test::wasm_bindgen_test
+    )]
     #[test]
     fn test_make_circles() {
         let dataset = make_circles(10, 0.5, 0.05);
@@ -163,7 +169,10 @@ mod tests {
         assert_eq!(dataset.num_samples, 10);
     }
 
-    #[cfg_attr(target_arch = "wasm32", wasm_bindgen_test::wasm_bindgen_test)]
+    #[cfg_attr(
+        all(target_arch = "wasm32", not(target_os = "wasi")),
+        wasm_bindgen_test::wasm_bindgen_test
+    )]
     #[test]
     fn test_make_moons() {
         let dataset = make_moons(10, 0.05);

src/dataset/iris.rs

@@ -70,7 +70,10 @@ mod tests {
     //     assert!(serialize_data(&dataset, "iris.xy").is_ok());
     // }
 
-    #[cfg_attr(target_arch = "wasm32", wasm_bindgen_test::wasm_bindgen_test)]
+    #[cfg_attr(
+        all(target_arch = "wasm32", not(target_os = "wasi")),
+        wasm_bindgen_test::wasm_bindgen_test
+    )]
     #[test]
     fn iris_dataset() {
         let dataset = load_dataset();

src/dataset/mod.rs

@@ -121,7 +121,10 @@ pub(crate) fn deserialize_data(
 mod tests {
     use super::*;
 
-    #[cfg_attr(target_arch = "wasm32", wasm_bindgen_test::wasm_bindgen_test)]
+    #[cfg_attr(
+        all(target_arch = "wasm32", not(target_os = "wasi")),
+        wasm_bindgen_test::wasm_bindgen_test
+    )]
     #[test]
     fn as_matrix() {
         let dataset = Dataset {

src/decomposition/pca.rs

@@ -446,7 +446,10 @@ mod tests {
             &[6.8, 161.0, 60.0, 15.6],
         ])
     }
-    #[cfg_attr(target_arch = "wasm32", wasm_bindgen_test::wasm_bindgen_test)]
+    #[cfg_attr(
+        all(target_arch = "wasm32", not(target_os = "wasi")),
+        wasm_bindgen_test::wasm_bindgen_test
+    )]
     #[test]
     fn pca_components() {
         let us_arrests = us_arrests_data();
@@ -466,7 +469,10 @@ mod tests {
             epsilon = 1e-3
         ));
     }
-    #[cfg_attr(target_arch = "wasm32", wasm_bindgen_test::wasm_bindgen_test)]
+    #[cfg_attr(
+        all(target_arch = "wasm32", not(target_os = "wasi")),
+        wasm_bindgen_test::wasm_bindgen_test
+    )]
     #[test]
     fn decompose_covariance() {
         let us_arrests = us_arrests_data();
@@ -579,7 +585,10 @@ mod tests {
         ));
     }
 
-    #[cfg_attr(target_arch = "wasm32", wasm_bindgen_test::wasm_bindgen_test)]
+    #[cfg_attr(
+        all(target_arch = "wasm32", not(target_os = "wasi")),
+        wasm_bindgen_test::wasm_bindgen_test
+    )]
     #[test]
     fn decompose_correlation() {
         let us_arrests = us_arrests_data();
@@ -700,7 +709,7 @@ mod tests {
 
     // Disable this test for now
     // TODO: implement deserialization for new DenseMatrix
-    // #[cfg_attr(target_arch = "wasm32", wasm_bindgen_test::wasm_bindgen_test)]
+    // #[cfg_attr(all(target_arch = "wasm32", not(target_os = "wasi")), wasm_bindgen_test::wasm_bindgen_test)]
     // #[test]
     // #[cfg(feature = "serde")]
     // fn pca_serde() {

src/decomposition/svd.rs

@@ -237,7 +237,10 @@ mod tests {
         assert!(iter.next().is_none());
     }
 
-    #[cfg_attr(target_arch = "wasm32", wasm_bindgen_test::wasm_bindgen_test)]
+    #[cfg_attr(
+        all(target_arch = "wasm32", not(target_os = "wasi")),
+        wasm_bindgen_test::wasm_bindgen_test
+    )]
     #[test]
     fn svd_decompose() {
         // https://stat.ethz.ch/R-manual/R-devel/library/datasets/html/USArrests.html
@@ -316,7 +319,7 @@ mod tests {
 
     // Disable this test for now
     // TODO: implement deserialization for new DenseMatrix
-    // #[cfg_attr(target_arch = "wasm32", wasm_bindgen_test::wasm_bindgen_test)]
+    // #[cfg_attr(all(target_arch = "wasm32", not(target_os = "wasi")), wasm_bindgen_test::wasm_bindgen_test)]
     // #[test]
     // #[cfg(feature = "serde")]
     // fn serde() {

src/ensemble/random_forest_classifier.rs

@@ -632,7 +632,10 @@ mod tests {
         assert!(iter.next().is_none());
     }
 
-    #[cfg_attr(target_arch = "wasm32", wasm_bindgen_test::wasm_bindgen_test)]
+    #[cfg_attr(
+        all(target_arch = "wasm32", not(target_os = "wasi")),
+        wasm_bindgen_test::wasm_bindgen_test
+    )]
     #[test]
     fn fit_predict_iris() {
         let x = DenseMatrix::from_2d_array(&[
@@ -678,7 +681,10 @@ mod tests {
         assert!(accuracy(&y, &classifier.predict(&x).unwrap()) >= 0.95);
     }
 
-    #[cfg_attr(target_arch = "wasm32", wasm_bindgen_test::wasm_bindgen_test)]
+    #[cfg_attr(
+        all(target_arch = "wasm32", not(target_os = "wasi")),
+        wasm_bindgen_test::wasm_bindgen_test
+    )]
     #[test]
     fn fit_predict_iris_oob() {
         let x = DenseMatrix::from_2d_array(&[
@@ -727,7 +733,10 @@ mod tests {
         );
     }
 
-    #[cfg_attr(target_arch = "wasm32", wasm_bindgen_test::wasm_bindgen_test)]
+    #[cfg_attr(
+        all(target_arch = "wasm32", not(target_os = "wasi")),
+        wasm_bindgen_test::wasm_bindgen_test
+    )]
     #[test]
     #[cfg(feature = "serde")]
     fn serde() {

src/ensemble/random_forest_regressor.rs

@@ -550,7 +550,10 @@ mod tests {
         assert!(iter.next().is_none());
     }
 
-    #[cfg_attr(target_arch = "wasm32", wasm_bindgen_test::wasm_bindgen_test)]
+    #[cfg_attr(
+        all(target_arch = "wasm32", not(target_os = "wasi")),
+        wasm_bindgen_test::wasm_bindgen_test
+    )]
     #[test]
     fn fit_longley() {
         let x = DenseMatrix::from_2d_array(&[
@@ -595,7 +598,10 @@ mod tests {
         assert!(mean_absolute_error(&y, &y_hat) < 1.0);
     }
 
-    #[cfg_attr(target_arch = "wasm32", wasm_bindgen_test::wasm_bindgen_test)]
+    #[cfg_attr(
+        all(target_arch = "wasm32", not(target_os = "wasi")),
+        wasm_bindgen_test::wasm_bindgen_test
+    )]
     #[test]
     fn fit_predict_longley_oob() {
         let x = DenseMatrix::from_2d_array(&[
@@ -645,7 +651,10 @@ mod tests {
         assert!(mean_absolute_error(&y, &y_hat) < mean_absolute_error(&y, &y_hat_oob));
     }
 
-    #[cfg_attr(target_arch = "wasm32", wasm_bindgen_test::wasm_bindgen_test)]
+    #[cfg_attr(
+        all(target_arch = "wasm32", not(target_os = "wasi")),
+        wasm_bindgen_test::wasm_bindgen_test
+    )]
     #[test]
     #[cfg(feature = "serde")]
     fn serde() {

src/linalg/traits/cholesky.rs

@@ -169,7 +169,10 @@ mod tests {
     use super::*;
     use crate::linalg::basic::matrix::DenseMatrix;
     use approx::relative_eq;
-    #[cfg_attr(target_arch = "wasm32", wasm_bindgen_test::wasm_bindgen_test)]
+    #[cfg_attr(
+        all(target_arch = "wasm32", not(target_os = "wasi")),
+        wasm_bindgen_test::wasm_bindgen_test
+    )]
     #[test]
     fn cholesky_decompose() {
         let a = DenseMatrix::from_2d_array(&[&[25., 15., -5.], &[15., 18., 0.], &[-5., 0., 11.]]);
@@ -188,7 +191,10 @@ mod tests {
         ));
     }
 
-    #[cfg_attr(target_arch = "wasm32", wasm_bindgen_test::wasm_bindgen_test)]
+    #[cfg_attr(
+        all(target_arch = "wasm32", not(target_os = "wasi")),
+        wasm_bindgen_test::wasm_bindgen_test
+    )]
     #[test]
     fn cholesky_solve_mut() {
         let a = DenseMatrix::from_2d_array(&[&[25., 15., -5.], &[15., 18., 0.], &[-5., 0., 11.]]);

src/linalg/traits/evd.rs

@@ -810,7 +810,10 @@ mod tests {
     use crate::linalg::basic::matrix::DenseMatrix;
     use approx::relative_eq;
 
-    #[cfg_attr(target_arch = "wasm32", wasm_bindgen_test::wasm_bindgen_test)]
+    #[cfg_attr(
+        all(target_arch = "wasm32", not(target_os = "wasi")),
+        wasm_bindgen_test::wasm_bindgen_test
+    )]
     #[test]
     fn decompose_symmetric() {
         let A = DenseMatrix::from_2d_array(&[
@@ -841,7 +844,10 @@ mod tests {
             assert!((0f64 - evd.e[i]).abs() < std::f64::EPSILON);
         }
     }
-    #[cfg_attr(target_arch = "wasm32", wasm_bindgen_test::wasm_bindgen_test)]
+    #[cfg_attr(
+        all(target_arch = "wasm32", not(target_os = "wasi")),
+        wasm_bindgen_test::wasm_bindgen_test
+    )]
     #[test]
     fn decompose_asymmetric() {
         let A = DenseMatrix::from_2d_array(&[
@@ -872,7 +878,10 @@ mod tests {
             assert!((0f64 - evd.e[i]).abs() < std::f64::EPSILON);
         }
     }
-    #[cfg_attr(target_arch = "wasm32", wasm_bindgen_test::wasm_bindgen_test)]
+    #[cfg_attr(
+        all(target_arch = "wasm32", not(target_os = "wasi")),
+        wasm_bindgen_test::wasm_bindgen_test
+    )]
     #[test]
     fn decompose_complex() {
         let A = DenseMatrix::from_2d_array(&[

src/linalg/traits/lu.rs

@@ -260,7 +260,10 @@ mod tests {
     use crate::linalg::basic::matrix::DenseMatrix;
     use approx::relative_eq;
 
-    #[cfg_attr(target_arch = "wasm32", wasm_bindgen_test::wasm_bindgen_test)]
+    #[cfg_attr(
+        all(target_arch = "wasm32", not(target_os = "wasi")),
+        wasm_bindgen_test::wasm_bindgen_test
+    )]
     #[test]
     fn decompose() {
         let a = DenseMatrix::from_2d_array(&[&[1., 2., 3.], &[0., 1., 5.], &[5., 6., 0.]]);
@@ -275,7 +278,10 @@ mod tests {
         assert!(relative_eq!(lu.U(), expected_U, epsilon = 1e-4));
         assert!(relative_eq!(lu.pivot(), expected_pivot, epsilon = 1e-4));
     }
-    #[cfg_attr(target_arch = "wasm32", wasm_bindgen_test::wasm_bindgen_test)]
+    #[cfg_attr(
+        all(target_arch = "wasm32", not(target_os = "wasi")),
+        wasm_bindgen_test::wasm_bindgen_test
+    )]
     #[test]
     fn inverse() {
         let a = DenseMatrix::from_2d_array(&[&[1., 2., 3.], &[0., 1., 5.], &[5., 6., 0.]]);

src/linalg/traits/qr.rs

@@ -198,7 +198,10 @@ mod tests {
     use super::*;
     use crate::linalg::basic::matrix::DenseMatrix;
     use approx::relative_eq;
-    #[cfg_attr(target_arch = "wasm32", wasm_bindgen_test::wasm_bindgen_test)]
+    #[cfg_attr(
+        all(target_arch = "wasm32", not(target_os = "wasi")),
+        wasm_bindgen_test::wasm_bindgen_test
+    )]
     #[test]
     fn decompose() {
         let a = DenseMatrix::from_2d_array(&[&[0.9, 0.4, 0.7], &[0.4, 0.5, 0.3], &[0.7, 0.3, 0.8]]);
@@ -217,7 +220,10 @@ mod tests {
         assert!(relative_eq!(qr.R().abs(), r.abs(), epsilon = 1e-4));
     }
 
-    #[cfg_attr(target_arch = "wasm32", wasm_bindgen_test::wasm_bindgen_test)]
+    #[cfg_attr(
+        all(target_arch = "wasm32", not(target_os = "wasi")),
+        wasm_bindgen_test::wasm_bindgen_test
+    )]
     #[test]
     fn qr_solve_mut() {
         let a = DenseMatrix::from_2d_array(&[&[0.9, 0.4, 0.7], &[0.4, 0.5, 0.3], &[0.7, 0.3, 0.8]]);

src/linalg/traits/svd.rs

@@ -479,7 +479,10 @@ mod tests {
     use crate::linalg::basic::matrix::DenseMatrix;
     use approx::relative_eq;
 
-    #[cfg_attr(target_arch = "wasm32", wasm_bindgen_test::wasm_bindgen_test)]
+    #[cfg_attr(
+        all(target_arch = "wasm32", not(target_os = "wasi")),
+        wasm_bindgen_test::wasm_bindgen_test
+    )]
     #[test]
     fn decompose_symmetric() {
         let A = DenseMatrix::from_2d_array(&[
@@ -510,7 +513,10 @@ mod tests {
             assert!((s[i] - svd.s[i]).abs() < 1e-4);
         }
     }
-    #[cfg_attr(target_arch = "wasm32", wasm_bindgen_test::wasm_bindgen_test)]
+    #[cfg_attr(
+        all(target_arch = "wasm32", not(target_os = "wasi")),
+        wasm_bindgen_test::wasm_bindgen_test
+    )]
     #[test]
     fn decompose_asymmetric() {
         let A = DenseMatrix::from_2d_array(&[
@@ -711,7 +717,10 @@ mod tests {
             assert!((s[i] - svd.s[i]).abs() < 1e-4);
         }
     }
-    #[cfg_attr(target_arch = "wasm32", wasm_bindgen_test::wasm_bindgen_test)]
+    #[cfg_attr(
+        all(target_arch = "wasm32", not(target_os = "wasi")),
+        wasm_bindgen_test::wasm_bindgen_test
+    )]
     #[test]
     fn solve() {
         let a = DenseMatrix::from_2d_array(&[&[0.9, 0.4, 0.7], &[0.4, 0.5, 0.3], &[0.7, 0.3, 0.8]]);
@@ -722,7 +731,10 @@ mod tests {
         assert!(relative_eq!(w, expected_w, epsilon = 1e-2));
     }
 
-    #[cfg_attr(target_arch = "wasm32", wasm_bindgen_test::wasm_bindgen_test)]
+    #[cfg_attr(
+        all(target_arch = "wasm32", not(target_os = "wasi")),
+        wasm_bindgen_test::wasm_bindgen_test
+    )]
     #[test]
     fn decompose_restore() {
         let a = DenseMatrix::from_2d_array(&[&[1.0, 2.0, 3.0, 4.0], &[5.0, 6.0, 7.0, 8.0]]);

src/linear/elastic_net.rs

@@ -491,7 +491,10 @@ mod tests {
         assert!(iter.next().is_none());
     }
 
-    #[cfg_attr(target_arch = "wasm32", wasm_bindgen_test::wasm_bindgen_test)]
+    #[cfg_attr(
+        all(target_arch = "wasm32", not(target_os = "wasi")),
+        wasm_bindgen_test::wasm_bindgen_test
+    )]
     #[test]
     fn elasticnet_longley() {
         let x = DenseMatrix::from_2d_array(&[
@@ -535,7 +538,10 @@ mod tests {
         assert!(mean_absolute_error(&y_hat, &y) < 30.0);
     }
 
-    #[cfg_attr(target_arch = "wasm32", wasm_bindgen_test::wasm_bindgen_test)]
+    #[cfg_attr(
+        all(target_arch = "wasm32", not(target_os = "wasi")),
+        wasm_bindgen_test::wasm_bindgen_test
+    )]
     #[test]
     fn elasticnet_fit_predict1() {
         let x = DenseMatrix::from_2d_array(&[
@@ -603,7 +609,7 @@ mod tests {
     }
 
     // TODO: serialization for the new DenseMatrix needs to be implemented
-    // #[cfg_attr(target_arch = "wasm32", wasm_bindgen_test::wasm_bindgen_test)]
+    // #[cfg_attr(all(target_arch = "wasm32", not(target_os = "wasi")), wasm_bindgen_test::wasm_bindgen_test)]
     // #[test]
     // #[cfg(feature = "serde")]
     // fn serde() {

src/linear/lasso.rs

@@ -398,7 +398,10 @@ mod tests {
         assert!(iter.next().is_none());
     }
 
-    #[cfg_attr(target_arch = "wasm32", wasm_bindgen_test::wasm_bindgen_test)]
+    #[cfg_attr(
+        all(target_arch = "wasm32", not(target_os = "wasi")),
+        wasm_bindgen_test::wasm_bindgen_test
+    )]
     #[test]
     fn lasso_fit_predict() {
         let x = DenseMatrix::from_2d_array(&[
@@ -448,7 +451,7 @@ mod tests {
     }
 
     // TODO: serialization for the new DenseMatrix needs to be implemented
-    // #[cfg_attr(target_arch = "wasm32", wasm_bindgen_test::wasm_bindgen_test)]
+    // #[cfg_attr(all(target_arch = "wasm32", not(target_os = "wasi")), wasm_bindgen_test::wasm_bindgen_test)]
     // #[test]
     // #[cfg(feature = "serde")]
     // fn serde() {

src/linear/linear_regression.rs

@@ -325,7 +325,10 @@ mod tests {
         assert!(iter.next().is_none());
     }
 
-    #[cfg_attr(target_arch = "wasm32", wasm_bindgen_test::wasm_bindgen_test)]
+    #[cfg_attr(
+        all(target_arch = "wasm32", not(target_os = "wasi")),
+        wasm_bindgen_test::wasm_bindgen_test
+    )]
     #[test]
     fn ols_fit_predict() {
         let x = DenseMatrix::from_2d_array(&[
@@ -372,7 +375,7 @@ mod tests {
     }
 
     // TODO: serialization for the new DenseMatrix needs to be implemented
-    // #[cfg_attr(target_arch = "wasm32", wasm_bindgen_test::wasm_bindgen_test)]
+    // #[cfg_attr(all(target_arch = "wasm32", not(target_os = "wasi")), wasm_bindgen_test::wasm_bindgen_test)]
     // #[test]
     // #[cfg(feature = "serde")]
     // fn serde() {

src/linear/logistic_regression.rs

@@ -577,6 +577,8 @@ impl<TX: Number + FloatNumber + RealNumber, TY: Number + Ord, X: Array2<TX>, Y:
 #[cfg(test)]
 mod tests {
     use super::*;
+
+    #[cfg(feature = "datasets")]
     use crate::dataset::generator::make_blobs;
     use crate::linalg::basic::arrays::Array;
     use crate::linalg::basic::matrix::DenseMatrix;
@@ -596,7 +598,10 @@ mod tests {
         assert!(iter.next().is_none());
     }
 
-    #[cfg_attr(target_arch = "wasm32", wasm_bindgen_test::wasm_bindgen_test)]
+    #[cfg_attr(
+        all(target_arch = "wasm32", not(target_os = "wasi")),
+        wasm_bindgen_test::wasm_bindgen_test
+    )]
     #[test]
     fn multiclass_objective_f() {
         let x = DenseMatrix::from_2d_array(&[
@@ -653,7 +658,10 @@ mod tests {
         assert!((g[0].abs() - 32.0).abs() < 1e-4);
     }
 
-    #[cfg_attr(target_arch = "wasm32", wasm_bindgen_test::wasm_bindgen_test)]
+    #[cfg_attr(
+        all(target_arch = "wasm32", not(target_os = "wasi")),
+        wasm_bindgen_test::wasm_bindgen_test
+    )]
     #[test]
     fn binary_objective_f() {
         let x = DenseMatrix::from_2d_array(&[
@@ -712,7 +720,10 @@ mod tests {
         assert!((g[2] - 3.8693).abs() < 1e-4);
     }
 
-    #[cfg_attr(target_arch = "wasm32", wasm_bindgen_test::wasm_bindgen_test)]
+    #[cfg_attr(
+        all(target_arch = "wasm32", not(target_os = "wasi")),
+        wasm_bindgen_test::wasm_bindgen_test
+    )]
     #[test]
     fn lr_fit_predict() {
         let x: DenseMatrix<f64> = DenseMatrix::from_2d_array(&[
@@ -751,7 +762,11 @@ mod tests {
         assert_eq!(y_hat, vec![0, 0, 0, 0, 0, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]);
     }
 
-    #[cfg_attr(target_arch = "wasm32", wasm_bindgen_test::wasm_bindgen_test)]
+    #[cfg(feature = "datasets")]
+    #[cfg_attr(
+        all(target_arch = "wasm32", not(target_os = "wasi")),
+        wasm_bindgen_test::wasm_bindgen_test
+    )]
     #[test]
     fn lr_fit_predict_multiclass() {
         let blobs = make_blobs(15, 4, 3);
@@ -778,7 +793,11 @@ mod tests {
         assert!(reg_coeff_sum < coeff);
     }
 
-    #[cfg_attr(target_arch = "wasm32", wasm_bindgen_test::wasm_bindgen_test)]
+    #[cfg(feature = "datasets")]
+    #[cfg_attr(
+        all(target_arch = "wasm32", not(target_os = "wasi")),
+        wasm_bindgen_test::wasm_bindgen_test
+    )]
     #[test]
     fn lr_fit_predict_binary() {
         let blobs = make_blobs(20, 4, 2);
@@ -809,7 +828,7 @@ mod tests {
     }
 
     // TODO: serialization for the new DenseMatrix needs to be implemented
-    // #[cfg_attr(target_arch = "wasm32", wasm_bindgen_test::wasm_bindgen_test)]
+    // #[cfg_attr(all(target_arch = "wasm32", not(target_os = "wasi")), wasm_bindgen_test::wasm_bindgen_test)]
     // #[test]
     // #[cfg(feature = "serde")]
     // fn serde() {
@@ -840,7 +859,10 @@ mod tests {
     //     assert_eq!(lr, deserialized_lr);
     // }
 
-    #[cfg_attr(target_arch = "wasm32", wasm_bindgen_test::wasm_bindgen_test)]
+    #[cfg_attr(
+        all(target_arch = "wasm32", not(target_os = "wasi")),
+        wasm_bindgen_test::wasm_bindgen_test
+    )]
     #[test]
     fn lr_fit_predict_iris() {
         let x = DenseMatrix::from_2d_array(&[

src/linear/ridge_regression.rs

@@ -443,7 +443,10 @@ mod tests {
         assert!(iter.next().is_none());
     }
 
-    #[cfg_attr(target_arch = "wasm32", wasm_bindgen_test::wasm_bindgen_test)]
+    #[cfg_attr(
+        all(target_arch = "wasm32", not(target_os = "wasi")),
+        wasm_bindgen_test::wasm_bindgen_test
+    )]
     #[test]
     fn ridge_fit_predict() {
         let x = DenseMatrix::from_2d_array(&[
@@ -500,7 +503,7 @@ mod tests {
     }
 
     // TODO: implement serialization for new DenseMatrix
-    // #[cfg_attr(target_arch = "wasm32", wasm_bindgen_test::wasm_bindgen_test)]
+    // #[cfg_attr(all(target_arch = "wasm32", not(target_os = "wasi")), wasm_bindgen_test::wasm_bindgen_test)]
     // #[test]
     // #[cfg(feature = "serde")]
     // fn serde() {

src/metrics/accuracy.rs

@@ -83,7 +83,10 @@ impl<T: Number> Metrics<T> for Accuracy<T> {
 mod tests {
     use super::*;
 
-    #[cfg_attr(target_arch = "wasm32", wasm_bindgen_test::wasm_bindgen_test)]
+    #[cfg_attr(
+        all(target_arch = "wasm32", not(target_os = "wasi")),
+        wasm_bindgen_test::wasm_bindgen_test
+    )]
     #[test]
     fn accuracy_float() {
         let y_pred: Vec<f64> = vec![0., 2., 1., 3.];
@@ -96,7 +99,10 @@ mod tests {
         assert!((score2 - 1.0).abs() < 1e-8);
     }
 
-    #[cfg_attr(target_arch = "wasm32", wasm_bindgen_test::wasm_bindgen_test)]
+    #[cfg_attr(
+        all(target_arch = "wasm32", not(target_os = "wasi")),
+        wasm_bindgen_test::wasm_bindgen_test
+    )]
     #[test]
     fn accuracy_int() {
         let y_pred: Vec<i32> = vec![0, 2, 1, 3];

src/metrics/auc.rs

@@ -113,7 +113,10 @@ impl<T: FloatNumber + PartialOrd> Metrics<T> for AUC<T> {
 mod tests {
     use super::*;
 
-    #[cfg_attr(target_arch = "wasm32", wasm_bindgen_test::wasm_bindgen_test)]
+    #[cfg_attr(
+        all(target_arch = "wasm32", not(target_os = "wasi")),
+        wasm_bindgen_test::wasm_bindgen_test
+    )]
     #[test]
     fn auc() {
         let y_true: Vec<f64> = vec![0., 0., 1., 1.];

src/metrics/cluster_hcv.rs

@@ -87,7 +87,10 @@ impl<T: Number + Ord> Metrics<T> for HCVScore<T> {
 mod tests {
     use super::*;
 
-    #[cfg_attr(target_arch = "wasm32", wasm_bindgen_test::wasm_bindgen_test)]
+    #[cfg_attr(
+        all(target_arch = "wasm32", not(target_os = "wasi")),
+        wasm_bindgen_test::wasm_bindgen_test
+    )]
     #[test]
     fn homogeneity_score() {
         let v1 = vec![0, 0, 1, 1, 2, 0, 4];

src/metrics/cluster_helpers.rs

@@ -102,7 +102,10 @@ pub fn mutual_info_score(contingency: &[Vec<usize>]) -> f64 {
 mod tests {
     use super::*;
 
-    #[cfg_attr(target_arch = "wasm32", wasm_bindgen_test::wasm_bindgen_test)]
+    #[cfg_attr(
+        all(target_arch = "wasm32", not(target_os = "wasi")),
+        wasm_bindgen_test::wasm_bindgen_test
+    )]
     #[test]
     fn contingency_matrix_test() {
         let v1 = vec![0, 0, 1, 1, 2, 0, 4];
@@ -114,7 +117,10 @@ mod tests {
         );
     }
 
-    #[cfg_attr(target_arch = "wasm32", wasm_bindgen_test::wasm_bindgen_test)]
+    #[cfg_attr(
+        all(target_arch = "wasm32", not(target_os = "wasi")),
+        wasm_bindgen_test::wasm_bindgen_test
+    )]
     #[test]
     fn entropy_test() {
         let v1 = vec![0, 0, 1, 1, 2, 0, 4];
@@ -122,7 +128,10 @@ mod tests {
         assert!((1.2770 - entropy(&v1).unwrap() as f64).abs() < 1e-4);
     }
 
-    #[cfg_attr(target_arch = "wasm32", wasm_bindgen_test::wasm_bindgen_test)]
+    #[cfg_attr(
+        all(target_arch = "wasm32", not(target_os = "wasi")),
+        wasm_bindgen_test::wasm_bindgen_test
+    )]
     #[test]
     fn mutual_info_score_test() {
         let v1 = vec![0, 0, 1, 1, 2, 0, 4];

src/metrics/distance/euclidian.rs

@@ -76,7 +76,10 @@ impl<T: Number, A: ArrayView1<T>> Distance<A> for Euclidian<T> {
 mod tests {
     use super::*;
 
-    #[cfg_attr(target_arch = "wasm32", wasm_bindgen_test::wasm_bindgen_test)]
+    #[cfg_attr(
+        all(target_arch = "wasm32", not(target_os = "wasi")),
+        wasm_bindgen_test::wasm_bindgen_test
+    )]
     #[test]
     fn squared_distance() {
         let a = vec![1, 2, 3];

src/metrics/distance/hamming.rs

@@ -70,7 +70,10 @@ impl<T: Number, A: ArrayView1<T>> Distance<A> for Hamming<T> {
 mod tests {
     use super::*;
 
-    #[cfg_attr(target_arch = "wasm32", wasm_bindgen_test::wasm_bindgen_test)]
+    #[cfg_attr(
+        all(target_arch = "wasm32", not(target_os = "wasi")),
+        wasm_bindgen_test::wasm_bindgen_test
+    )]
     #[test]
     fn hamming_distance() {
         let a = vec![1, 0, 0, 1, 0, 0, 1];

src/metrics/distance/mahalanobis.rs

@@ -139,7 +139,10 @@ mod tests {
     use crate::linalg::basic::arrays::ArrayView2;
     use crate::linalg::basic::matrix::DenseMatrix;
 
-    #[cfg_attr(target_arch = "wasm32", wasm_bindgen_test::wasm_bindgen_test)]
+    #[cfg_attr(
+        all(target_arch = "wasm32", not(target_os = "wasi")),
+        wasm_bindgen_test::wasm_bindgen_test
+    )]
     #[test]
     fn mahalanobis_distance() {
         let data = DenseMatrix::from_2d_array(&[

src/metrics/distance/manhattan.rs

@@ -66,7 +66,10 @@ impl<T: Number, A: ArrayView1<T>> Distance<A> for Manhattan<T> {
 mod tests {
     use super::*;
 
-    #[cfg_attr(target_arch = "wasm32", wasm_bindgen_test::wasm_bindgen_test)]
+    #[cfg_attr(
+        all(target_arch = "wasm32", not(target_os = "wasi")),
+        wasm_bindgen_test::wasm_bindgen_test
+    )]
     #[test]
     fn manhattan_distance() {
         let a = vec![1., 2., 3.];

src/metrics/distance/minkowski.rs

@@ -71,7 +71,10 @@ impl<T: Number, A: ArrayView1<T>> Distance<A> for Minkowski<T> {
 mod tests {
     use super::*;
 
-    #[cfg_attr(target_arch = "wasm32", wasm_bindgen_test::wasm_bindgen_test)]
+    #[cfg_attr(
+        all(target_arch = "wasm32", not(target_os = "wasi")),
+        wasm_bindgen_test::wasm_bindgen_test
+    )]
     #[test]
     fn minkowski_distance() {
         let a = vec![1., 2., 3.];

src/metrics/f1.rs

@@ -82,7 +82,10 @@ impl<T: Number + RealNumber + FloatNumber> Metrics<T> for F1<T> {
 mod tests {
     use super::*;
 
-    #[cfg_attr(target_arch = "wasm32", wasm_bindgen_test::wasm_bindgen_test)]
+    #[cfg_attr(
+        all(target_arch = "wasm32", not(target_os = "wasi")),
+        wasm_bindgen_test::wasm_bindgen_test
+    )]
     #[test]
     fn f1() {
         let y_pred: Vec<f64> = vec![0., 0., 1., 1., 1., 1.];

src/metrics/mean_absolute_error.rs

@@ -76,7 +76,10 @@ impl<T: Number + FloatNumber> Metrics<T> for MeanAbsoluteError<T> {
 mod tests {
     use super::*;
 
-    #[cfg_attr(target_arch = "wasm32", wasm_bindgen_test::wasm_bindgen_test)]
+    #[cfg_attr(
+        all(target_arch = "wasm32", not(target_os = "wasi")),
+        wasm_bindgen_test::wasm_bindgen_test
+    )]
     #[test]
     fn mean_absolute_error() {
         let y_true: Vec<f64> = vec![3., -0.5, 2., 7.];

src/metrics/mean_squared_error.rs

@@ -76,7 +76,10 @@ impl<T: Number + FloatNumber> Metrics<T> for MeanSquareError<T> {
 mod tests {
     use super::*;
 
-    #[cfg_attr(target_arch = "wasm32", wasm_bindgen_test::wasm_bindgen_test)]
+    #[cfg_attr(
+        all(target_arch = "wasm32", not(target_os = "wasi")),
+        wasm_bindgen_test::wasm_bindgen_test
+    )]
     #[test]
     fn mean_squared_error() {
         let y_true: Vec<f64> = vec![3., -0.5, 2., 7.];

src/metrics/precision.rs

@@ -95,7 +95,10 @@ impl<T: RealNumber> Metrics<T> for Precision<T> {
 mod tests {
     use super::*;
 
-    #[cfg_attr(target_arch = "wasm32", wasm_bindgen_test::wasm_bindgen_test)]
+    #[cfg_attr(
+        all(target_arch = "wasm32", not(target_os = "wasi")),
+        wasm_bindgen_test::wasm_bindgen_test
+    )]
     #[test]
     fn precision() {
         let y_true: Vec<f64> = vec![0., 1., 1., 0.];
@@ -114,7 +117,10 @@ mod tests {
         assert!((score3 - 0.5).abs() < 1e-8);
     }
 
-    #[cfg_attr(target_arch = "wasm32", wasm_bindgen_test::wasm_bindgen_test)]
+    #[cfg_attr(
+        all(target_arch = "wasm32", not(target_os = "wasi")),
+        wasm_bindgen_test::wasm_bindgen_test
+    )]
     #[test]
     fn precision_multiclass() {
         let y_true: Vec<f64> = vec![0., 0., 0., 1., 1., 1., 2., 2., 2.];

src/metrics/r2.rs

@@ -81,7 +81,10 @@ impl<T: Number> Metrics<T> for R2<T> {
 mod tests {
     use super::*;
 
-    #[cfg_attr(target_arch = "wasm32", wasm_bindgen_test::wasm_bindgen_test)]
+    #[cfg_attr(
+        all(target_arch = "wasm32", not(target_os = "wasi")),
+        wasm_bindgen_test::wasm_bindgen_test
+    )]
     #[test]
     fn r2() {
         let y_true: Vec<f64> = vec![3., -0.5, 2., 7.];

src/metrics/recall.rs

@@ -96,7 +96,10 @@ impl<T: RealNumber> Metrics<T> for Recall<T> {
 mod tests {
     use super::*;
 
-    #[cfg_attr(target_arch = "wasm32", wasm_bindgen_test::wasm_bindgen_test)]
+    #[cfg_attr(
+        all(target_arch = "wasm32", not(target_os = "wasi")),
+        wasm_bindgen_test::wasm_bindgen_test
+    )]
     #[test]
     fn recall() {
         let y_true: Vec<f64> = vec![0., 1., 1., 0.];
@@ -115,7 +118,10 @@ mod tests {
         assert!((score3 - 0.6666666666666666).abs() < 1e-8);
     }
 
-    #[cfg_attr(target_arch = "wasm32", wasm_bindgen_test::wasm_bindgen_test)]
+    #[cfg_attr(
+        all(target_arch = "wasm32", not(target_os = "wasi")),
+        wasm_bindgen_test::wasm_bindgen_test
+    )]
     #[test]
     fn recall_multiclass() {
         let y_true: Vec<f64> = vec![0., 0., 0., 1., 1., 1., 2., 2., 2.];

src/model_selection/kfold.rs

@@ -159,7 +159,10 @@ mod tests {
     use super::*;
     use crate::linalg::basic::matrix::DenseMatrix;
 
-    #[cfg_attr(target_arch = "wasm32", wasm_bindgen_test::wasm_bindgen_test)]
+    #[cfg_attr(
+        all(target_arch = "wasm32", not(target_os = "wasi")),
+        wasm_bindgen_test::wasm_bindgen_test
+    )]
     #[test]
     fn run_kfold_return_test_indices_simple() {
         let k = KFold {
@@ -175,7 +178,10 @@ mod tests {
         assert_eq!(test_indices[2], (22..33).collect::<Vec<usize>>());
     }
 
-    #[cfg_attr(target_arch = "wasm32", wasm_bindgen_test::wasm_bindgen_test)]
+    #[cfg_attr(
+        all(target_arch = "wasm32", not(target_os = "wasi")),
+        wasm_bindgen_test::wasm_bindgen_test
+    )]
     #[test]
     fn run_kfold_return_test_indices_odd() {
         let k = KFold {
@@ -191,7 +197,10 @@ mod tests {
         assert_eq!(test_indices[2], (23..34).collect::<Vec<usize>>());
     }
 
-    #[cfg_attr(target_arch = "wasm32", wasm_bindgen_test::wasm_bindgen_test)]
+    #[cfg_attr(
+        all(target_arch = "wasm32", not(target_os = "wasi")),
+        wasm_bindgen_test::wasm_bindgen_test
+    )]
     #[test]
     fn run_kfold_return_test_mask_simple() {
         let k = KFold {
@@ -218,7 +227,10 @@ mod tests {
         }
     }
 
-    #[cfg_attr(target_arch = "wasm32", wasm_bindgen_test::wasm_bindgen_test)]
+    #[cfg_attr(
+        all(target_arch = "wasm32", not(target_os = "wasi")),
+        wasm_bindgen_test::wasm_bindgen_test
+    )]
     #[test]
     fn run_kfold_return_split_simple() {
         let k = KFold {
@@ -235,7 +247,10 @@ mod tests {
         assert_eq!(train_test_splits[1].1, (11..22).collect::<Vec<usize>>());
     }
 
-    #[cfg_attr(target_arch = "wasm32", wasm_bindgen_test::wasm_bindgen_test)]
+    #[cfg_attr(
+        all(target_arch = "wasm32", not(target_os = "wasi")),
+        wasm_bindgen_test::wasm_bindgen_test
+    )]
     #[test]
     fn run_kfold_return_split_simple_shuffle() {
         let k = KFold {
@@ -251,7 +266,10 @@ mod tests {
         assert_eq!(train_test_splits[1].1.len(), 11_usize);
     }
 
-    #[cfg_attr(target_arch = "wasm32", wasm_bindgen_test::wasm_bindgen_test)]
+    #[cfg_attr(
+        all(target_arch = "wasm32", not(target_os = "wasi")),
+        wasm_bindgen_test::wasm_bindgen_test
+    )]
     #[test]
     fn numpy_parity_test() {
         let k = KFold {
@@ -273,7 +291,10 @@ mod tests {
         }
     }
 
-    #[cfg_attr(target_arch = "wasm32", wasm_bindgen_test::wasm_bindgen_test)]
+    #[cfg_attr(
+        all(target_arch = "wasm32", not(target_os = "wasi")),
+        wasm_bindgen_test::wasm_bindgen_test
+    )]
     #[test]
     fn numpy_parity_test_shuffle() {
         let k = KFold {

src/model_selection/mod.rs

@@ -321,7 +321,10 @@ mod tests {
     use crate::neighbors::knn_regressor::{KNNRegressor, KNNRegressorParameters};
     use crate::neighbors::KNNWeightFunction;
 
-    #[cfg_attr(target_arch = "wasm32", wasm_bindgen_test::wasm_bindgen_test)]
+    #[cfg_attr(
+        all(target_arch = "wasm32", not(target_os = "wasi")),
+        wasm_bindgen_test::wasm_bindgen_test
+    )]
     #[test]
     fn run_train_test_split() {
         let n = 123;
@@ -346,7 +349,10 @@ mod tests {
     struct BiasedParameters {}
     impl NoParameters for BiasedParameters {}
 
-    #[cfg_attr(target_arch = "wasm32", wasm_bindgen_test::wasm_bindgen_test)]
+    #[cfg_attr(
+        all(target_arch = "wasm32", not(target_os = "wasi")),
+        wasm_bindgen_test::wasm_bindgen_test
+    )]
     #[test]
     fn test_cross_validate_biased() {
         struct BiasedEstimator {}
@@ -412,7 +418,10 @@ mod tests {
         assert_eq!(0.4, results.mean_train_score());
     }
 
-    #[cfg_attr(target_arch = "wasm32", wasm_bindgen_test::wasm_bindgen_test)]
+    #[cfg_attr(
+        all(target_arch = "wasm32", not(target_os = "wasi")),
+        wasm_bindgen_test::wasm_bindgen_test
+    )]
     #[test]
     fn test_cross_validate_knn() {
         let x = DenseMatrix::from_2d_array(&[
@@ -457,7 +466,10 @@ mod tests {
         assert!(results.mean_train_score() < results.mean_test_score());
     }
 
-    #[cfg_attr(target_arch = "wasm32", wasm_bindgen_test::wasm_bindgen_test)]
+    #[cfg_attr(
+        all(target_arch = "wasm32", not(target_os = "wasi")),
+        wasm_bindgen_test::wasm_bindgen_test
+    )]
     #[test]
     fn test_cross_val_predict_knn() {
         let x: DenseMatrix<f64> = DenseMatrix::from_2d_array(&[

src/naive_bayes/bernoulli.rs

@@ -496,7 +496,10 @@ mod tests {
         assert!(iter.next().is_none());
     }
 
-    #[cfg_attr(target_arch = "wasm32", wasm_bindgen_test::wasm_bindgen_test)]
+    #[cfg_attr(
+        all(target_arch = "wasm32", not(target_os = "wasi")),
+        wasm_bindgen_test::wasm_bindgen_test
+    )]
     #[test]
     fn run_bernoulli_naive_bayes() {
         // Tests that BernoulliNB when alpha=1.0 gives the same values as
@@ -551,7 +554,10 @@ mod tests {
         assert_eq!(y_hat, &[1]);
     }
 
-    #[cfg_attr(target_arch = "wasm32", wasm_bindgen_test::wasm_bindgen_test)]
+    #[cfg_attr(
+        all(target_arch = "wasm32", not(target_os = "wasi")),
+        wasm_bindgen_test::wasm_bindgen_test
+    )]
     #[test]
     fn bernoulli_nb_scikit_parity() {
         let x = DenseMatrix::from_2d_array(&[
@@ -612,7 +618,10 @@ mod tests {
         assert_eq!(y_hat, vec!(2, 2, 0, 0, 0, 2, 1, 1, 0, 0, 0, 0, 0, 0, 0));
     }
 
-    #[cfg_attr(target_arch = "wasm32", wasm_bindgen_test::wasm_bindgen_test)]
+    #[cfg_attr(
+        all(target_arch = "wasm32", not(target_os = "wasi")),
+        wasm_bindgen_test::wasm_bindgen_test
+    )]
     #[test]
     #[cfg(feature = "serde")]
     fn serde() {

src/naive_bayes/categorical.rs

@@ -428,7 +428,10 @@ mod tests {
         assert!(iter.next().is_none());
     }
 
-    #[cfg_attr(target_arch = "wasm32", wasm_bindgen_test::wasm_bindgen_test)]
+    #[cfg_attr(
+        all(target_arch = "wasm32", not(target_os = "wasi")),
+        wasm_bindgen_test::wasm_bindgen_test
+    )]
     #[test]
     fn run_categorical_naive_bayes() {
         let x = DenseMatrix::<u32>::from_2d_array(&[
@@ -509,7 +512,10 @@ mod tests {
         assert_eq!(y_hat, vec![0, 1]);
     }
 
-    #[cfg_attr(target_arch = "wasm32", wasm_bindgen_test::wasm_bindgen_test)]
+    #[cfg_attr(
+        all(target_arch = "wasm32", not(target_os = "wasi")),
+        wasm_bindgen_test::wasm_bindgen_test
+    )]
     #[test]
     fn run_categorical_naive_bayes2() {
         let x = DenseMatrix::<u32>::from_2d_array(&[
@@ -535,7 +541,10 @@ mod tests {
         assert_eq!(y_hat, vec![0, 0, 1, 1, 1, 0, 1, 0, 1, 1, 0, 1, 1, 1]);
     }
 
-    #[cfg_attr(target_arch = "wasm32", wasm_bindgen_test::wasm_bindgen_test)]
+    #[cfg_attr(
+        all(target_arch = "wasm32", not(target_os = "wasi")),
+        wasm_bindgen_test::wasm_bindgen_test
+    )]
     #[test]
     #[cfg(feature = "serde")]
     fn serde() {

src/naive_bayes/gaussian.rs

@@ -372,7 +372,10 @@ mod tests {
         assert!(iter.next().is_none());
     }
 
-    #[cfg_attr(target_arch = "wasm32", wasm_bindgen_test::wasm_bindgen_test)]
+    #[cfg_attr(
+        all(target_arch = "wasm32", not(target_os = "wasi")),
+        wasm_bindgen_test::wasm_bindgen_test
+    )]
     #[test]
     fn run_gaussian_naive_bayes() {
         let x = DenseMatrix::from_2d_array(&[
@@ -409,7 +412,10 @@ mod tests {
         );
     }
 
-    #[cfg_attr(target_arch = "wasm32", wasm_bindgen_test::wasm_bindgen_test)]
+    #[cfg_attr(
+        all(target_arch = "wasm32", not(target_os = "wasi")),
+        wasm_bindgen_test::wasm_bindgen_test
+    )]
     #[test]
     fn run_gaussian_naive_bayes_with_priors() {
         let x = DenseMatrix::from_2d_array(&[
@@ -429,7 +435,10 @@ mod tests {
         assert_eq!(gnb.class_priors(), &priors);
     }
 
-    #[cfg_attr(target_arch = "wasm32", wasm_bindgen_test::wasm_bindgen_test)]
+    #[cfg_attr(
+        all(target_arch = "wasm32", not(target_os = "wasi")),
+        wasm_bindgen_test::wasm_bindgen_test
+    )]
     #[test]
     #[cfg(feature = "serde")]
     fn serde() {

src/naive_bayes/multinomial.rs

@@ -403,7 +403,10 @@ mod tests {
         assert!(iter.next().is_none());
     }
 
-    #[cfg_attr(target_arch = "wasm32", wasm_bindgen_test::wasm_bindgen_test)]
+    #[cfg_attr(
+        all(target_arch = "wasm32", not(target_os = "wasi")),
+        wasm_bindgen_test::wasm_bindgen_test
+    )]
     #[test]
     fn run_multinomial_naive_bayes() {
         // Tests that MultinomialNB when alpha=1.0 gives the same values as
@@ -461,7 +464,10 @@ mod tests {
         assert_eq!(y_hat, &[0]);
     }
 
-    #[cfg_attr(target_arch = "wasm32", wasm_bindgen_test::wasm_bindgen_test)]
+    #[cfg_attr(
+        all(target_arch = "wasm32", not(target_os = "wasi")),
+        wasm_bindgen_test::wasm_bindgen_test
+    )]
     #[test]
     fn multinomial_nb_scikit_parity() {
         let x = DenseMatrix::<u32>::from_2d_array(&[
@@ -524,7 +530,10 @@ mod tests {
         assert_eq!(y_hat, vec!(2, 2, 0, 0, 0, 2, 2, 1, 0, 1, 0, 2, 0, 0, 2));
     }
 
-    #[cfg_attr(target_arch = "wasm32", wasm_bindgen_test::wasm_bindgen_test)]
+    #[cfg_attr(
+        all(target_arch = "wasm32", not(target_os = "wasi")),
+        wasm_bindgen_test::wasm_bindgen_test
+    )]
     #[test]
     #[cfg(feature = "serde")]
     fn serde() {

src/neighbors/knn_classifier.rs

@@ -305,7 +305,10 @@ mod tests {
     use super::*;
     use crate::linalg::basic::matrix::DenseMatrix;
 
-    #[cfg_attr(target_arch = "wasm32", wasm_bindgen_test::wasm_bindgen_test)]
+    #[cfg_attr(
+        all(target_arch = "wasm32", not(target_os = "wasi")),
+        wasm_bindgen_test::wasm_bindgen_test
+    )]
     #[test]
     fn knn_fit_predict() {
         let x =
@@ -317,7 +320,10 @@ mod tests {
         assert_eq!(y.to_vec(), y_hat);
     }
 
-    #[cfg_attr(target_arch = "wasm32", wasm_bindgen_test::wasm_bindgen_test)]
+    #[cfg_attr(
+        all(target_arch = "wasm32", not(target_os = "wasi")),
+        wasm_bindgen_test::wasm_bindgen_test
+    )]
     #[test]
     fn knn_fit_predict_weighted() {
         let x = DenseMatrix::from_2d_array(&[&[1.], &[2.], &[3.], &[4.], &[5.]]);
@@ -335,7 +341,10 @@ mod tests {
         assert_eq!(vec![3], y_hat);
     }
 
-    #[cfg_attr(target_arch = "wasm32", wasm_bindgen_test::wasm_bindgen_test)]
+    #[cfg_attr(
+        all(target_arch = "wasm32", not(target_os = "wasi")),
+        wasm_bindgen_test::wasm_bindgen_test
+    )]
     #[test]
     #[cfg(feature = "serde")]
     fn serde() {

src/neighbors/knn_regressor.rs

@@ -289,7 +289,10 @@ mod tests {
     use crate::linalg::basic::matrix::DenseMatrix;
     use crate::metrics::distance::Distances;
 
-    #[cfg_attr(target_arch = "wasm32", wasm_bindgen_test::wasm_bindgen_test)]
+    #[cfg_attr(
+        all(target_arch = "wasm32", not(target_os = "wasi")),
+        wasm_bindgen_test::wasm_bindgen_test
+    )]
     #[test]
     fn knn_fit_predict_weighted() {
         let x =
@@ -313,7 +316,10 @@ mod tests {
         }
     }
 
-    #[cfg_attr(target_arch = "wasm32", wasm_bindgen_test::wasm_bindgen_test)]
+    #[cfg_attr(
+        all(target_arch = "wasm32", not(target_os = "wasi")),
+        wasm_bindgen_test::wasm_bindgen_test
+    )]
     #[test]
     fn knn_fit_predict_uniform() {
         let x =
@@ -328,7 +334,10 @@ mod tests {
         }
     }
 
-    #[cfg_attr(target_arch = "wasm32", wasm_bindgen_test::wasm_bindgen_test)]
+    #[cfg_attr(
+        all(target_arch = "wasm32", not(target_os = "wasi")),
+        wasm_bindgen_test::wasm_bindgen_test
+    )]
     #[test]
     #[cfg(feature = "serde")]
     fn serde() {

src/optimization/first_order/gradient_descent.rs

@@ -99,7 +99,10 @@ mod tests {
     use crate::optimization::line_search::Backtracking;
     use crate::optimization::FunctionOrder;
 
-    #[cfg_attr(target_arch = "wasm32", wasm_bindgen_test::wasm_bindgen_test)]
+    #[cfg_attr(
+        all(target_arch = "wasm32", not(target_os = "wasi")),
+        wasm_bindgen_test::wasm_bindgen_test
+    )]
     #[test]
     fn gradient_descent() {
         let x0 = vec![-1., 1.];

src/optimization/first_order/lbfgs.rs

@@ -278,7 +278,10 @@ mod tests {
     use crate::optimization::line_search::Backtracking;
     use crate::optimization::FunctionOrder;
 
-    #[cfg_attr(target_arch = "wasm32", wasm_bindgen_test::wasm_bindgen_test)]
+    #[cfg_attr(
+        all(target_arch = "wasm32", not(target_os = "wasi")),
+        wasm_bindgen_test::wasm_bindgen_test
+    )]
     #[test]
     fn lbfgs() {
         let x0 = vec![0., 0.];

src/optimization/line_search.rs

@@ -129,7 +129,10 @@ impl<T: Float> LineSearchMethod<T> for Backtracking<T> {
 mod tests {
     use super::*;
 
-    #[cfg_attr(target_arch = "wasm32", wasm_bindgen_test::wasm_bindgen_test)]
+    #[cfg_attr(
+        all(target_arch = "wasm32", not(target_os = "wasi")),
+        wasm_bindgen_test::wasm_bindgen_test
+    )]
     #[test]
     fn backtracking() {
         let f = |x: f64| -> f64 { x.powf(2.) + x };

src/preprocessing/categorical.rs

@@ -224,7 +224,10 @@ mod tests {
     use crate::linalg::basic::matrix::DenseMatrix;
     use crate::preprocessing::series_encoder::CategoryMapper;
 
-    #[cfg_attr(target_arch = "wasm32", wasm_bindgen_test::wasm_bindgen_test)]
+    #[cfg_attr(
+        all(target_arch = "wasm32", not(target_os = "wasi")),
+        wasm_bindgen_test::wasm_bindgen_test
+    )]
     #[test]
     fn adjust_idxs() {
         assert_eq!(find_new_idxs(0, &[], &[]), Vec::<usize>::new());
@@ -269,7 +272,10 @@ mod tests {
         (orig, oh_enc)
     }
 
-    #[cfg_attr(target_arch = "wasm32", wasm_bindgen_test::wasm_bindgen_test)]
+    #[cfg_attr(
+        all(target_arch = "wasm32", not(target_os = "wasi")),
+        wasm_bindgen_test::wasm_bindgen_test
+    )]
     #[test]
     fn hash_encode_f64_series() {
         let series = vec![3.0, 1.0, 2.0, 1.0];
@@ -280,7 +286,10 @@ mod tests {
         let orig_val: f64 = inv.unwrap().into();
         assert_eq!(orig_val, 2.0);
     }
-    #[cfg_attr(target_arch = "wasm32", wasm_bindgen_test::wasm_bindgen_test)]
+    #[cfg_attr(
+        all(target_arch = "wasm32", not(target_os = "wasi")),
+        wasm_bindgen_test::wasm_bindgen_test
+    )]
     #[test]
     fn test_fit() {
         let (x, _) = build_fake_matrix();
@@ -296,7 +305,10 @@ mod tests {
         assert_eq!(num_cat, vec![2, 4]);
     }
 
-    #[cfg_attr(target_arch = "wasm32", wasm_bindgen_test::wasm_bindgen_test)]
+    #[cfg_attr(
+        all(target_arch = "wasm32", not(target_os = "wasi")),
+        wasm_bindgen_test::wasm_bindgen_test
+    )]
     #[test]
     fn matrix_transform_test() {
         let (x, expected_x) = build_fake_matrix();
@@ -312,7 +324,10 @@ mod tests {
         assert_eq!(nm, expected_x);
     }
 
-    #[cfg_attr(target_arch = "wasm32", wasm_bindgen_test::wasm_bindgen_test)]
+    #[cfg_attr(
+        all(target_arch = "wasm32", not(target_os = "wasi")),
+        wasm_bindgen_test::wasm_bindgen_test
+    )]
     #[test]
     fn fail_on_bad_category() {
         let m = DenseMatrix::from_2d_array(&[

src/preprocessing/numerical.rs

@@ -420,7 +420,10 @@ mod tests {
 
         /// Same as `fit_for_random_values` test, but using a `StandardScaler` that has been
         /// serialized and deserialized.
-        #[cfg_attr(target_arch = "wasm32", wasm_bindgen_test::wasm_bindgen_test)]
+        #[cfg_attr(
+            all(target_arch = "wasm32", not(target_os = "wasi")),
+            wasm_bindgen_test::wasm_bindgen_test
+        )]
         #[test]
         #[cfg(feature = "serde")]
         fn serde_fit_for_random_values() {

src/preprocessing/series_encoder.rs

@@ -199,7 +199,10 @@ where
 mod tests {
     use super::*;
 
-    #[cfg_attr(target_arch = "wasm32", wasm_bindgen_test::wasm_bindgen_test)]
+    #[cfg_attr(
+        all(target_arch = "wasm32", not(target_os = "wasi")),
+        wasm_bindgen_test::wasm_bindgen_test
+    )]
     #[test]
     fn from_categories() {
         let fake_categories: Vec<usize> = vec![1, 2, 3, 4, 5, 3, 5, 3, 1, 2, 4];
@@ -218,14 +221,20 @@ mod tests {
         let enc = CategoryMapper::<&str>::from_positional_category_vec(fake_category_pos);
         enc
     }
-    #[cfg_attr(target_arch = "wasm32", wasm_bindgen_test::wasm_bindgen_test)]
+    #[cfg_attr(
+        all(target_arch = "wasm32", not(target_os = "wasi")),
+        wasm_bindgen_test::wasm_bindgen_test
+    )]
     #[test]
     fn ordinal_encoding() {
         let enc = build_fake_str_enc();
         assert_eq!(1f64, enc.get_ordinal::<f64>(&"dog").unwrap())
     }
 
-    #[cfg_attr(target_arch = "wasm32", wasm_bindgen_test::wasm_bindgen_test)]
+    #[cfg_attr(
+        all(target_arch = "wasm32", not(target_os = "wasi")),
+        wasm_bindgen_test::wasm_bindgen_test
+    )]
     #[test]
     fn category_map_and_vec() {
         let category_map: HashMap<&str, usize> = vec![("background", 0), ("dog", 1), ("cat", 2)]
@@ -240,7 +249,10 @@ mod tests {
         assert_eq!(oh_vec, res);
     }
 
-    #[cfg_attr(target_arch = "wasm32", wasm_bindgen_test::wasm_bindgen_test)]
+    #[cfg_attr(
+        all(target_arch = "wasm32", not(target_os = "wasi")),
+        wasm_bindgen_test::wasm_bindgen_test
+    )]
     #[test]
     fn positional_categories_vec() {
         let enc = build_fake_str_enc();
@@ -252,7 +264,10 @@ mod tests {
         assert_eq!(oh_vec, res);
     }
 
-    #[cfg_attr(target_arch = "wasm32", wasm_bindgen_test::wasm_bindgen_test)]
+    #[cfg_attr(
+        all(target_arch = "wasm32", not(target_os = "wasi")),
+        wasm_bindgen_test::wasm_bindgen_test
+    )]
     #[test]
     fn invert_label_test() {
         let enc = build_fake_str_enc();
@@ -265,7 +280,10 @@ mod tests {
         };
     }
 
-    #[cfg_attr(target_arch = "wasm32", wasm_bindgen_test::wasm_bindgen_test)]
+    #[cfg_attr(
+        all(target_arch = "wasm32", not(target_os = "wasi")),
+        wasm_bindgen_test::wasm_bindgen_test
+    )]
     #[test]
     fn test_many_categorys() {
         let enc = build_fake_str_enc();

src/svm/mod.rs

@@ -269,7 +269,10 @@ mod tests {
     use super::*;
     use crate::svm::Kernels;
 
-    #[cfg_attr(target_arch = "wasm32", wasm_bindgen_test::wasm_bindgen_test)]
+    #[cfg_attr(
+        all(target_arch = "wasm32", not(target_os = "wasi")),
+        wasm_bindgen_test::wasm_bindgen_test
+    )]
     #[test]
     fn linear_kernel() {
         let v1 = vec![1., 2., 3.];
@@ -278,7 +281,10 @@ mod tests {
         assert_eq!(32f64, Kernels::linear().apply(&v1, &v2).unwrap());
     }
 
-    #[cfg_attr(target_arch = "wasm32", wasm_bindgen_test::wasm_bindgen_test)]
+    #[cfg_attr(
+        all(target_arch = "wasm32", not(target_os = "wasi")),
+        wasm_bindgen_test::wasm_bindgen_test
+    )]
     #[test]
     fn rbf_kernel() {
         let v1 = vec![1., 2., 3.];
@@ -293,7 +299,10 @@ mod tests {
         assert!((0.2265f64 - result) < 1e-4);
     }
 
-    #[cfg_attr(target_arch = "wasm32", wasm_bindgen_test::wasm_bindgen_test)]
+    #[cfg_attr(
+        all(target_arch = "wasm32", not(target_os = "wasi")),
+        wasm_bindgen_test::wasm_bindgen_test
+    )]
     #[test]
     fn polynomial_kernel() {
         let v1 = vec![1., 2., 3.];
@@ -308,7 +317,10 @@ mod tests {
         assert!((4913f64 - result) < std::f64::EPSILON);
     }
 
-    #[cfg_attr(target_arch = "wasm32", wasm_bindgen_test::wasm_bindgen_test)]
+    #[cfg_attr(
+        all(target_arch = "wasm32", not(target_os = "wasi")),
+        wasm_bindgen_test::wasm_bindgen_test
+    )]
     #[test]
     fn sigmoid_kernel() {
         let v1 = vec![1., 2., 3.];

src/svm/svc.rs

@@ -948,7 +948,10 @@ mod tests {
     #[cfg(feature = "serde")]
     use crate::svm::*;
 
-    #[cfg_attr(target_arch = "wasm32", wasm_bindgen_test::wasm_bindgen_test)]
+    #[cfg_attr(
+        all(target_arch = "wasm32", not(target_os = "wasi")),
+        wasm_bindgen_test::wasm_bindgen_test
+    )]
     #[test]
     fn svc_fit_predict() {
         let x = DenseMatrix::from_2d_array(&[
@@ -996,7 +999,10 @@ mod tests {
         );
     }
 
-    #[cfg_attr(target_arch = "wasm32", wasm_bindgen_test::wasm_bindgen_test)]
+    #[cfg_attr(
+        all(target_arch = "wasm32", not(target_os = "wasi")),
+        wasm_bindgen_test::wasm_bindgen_test
+    )]
     #[test]
     fn svc_fit_decision_function() {
         let x = DenseMatrix::from_2d_array(&[&[4.0, 0.0], &[0.0, 4.0], &[8.0, 0.0], &[0.0, 8.0]]);
@@ -1034,7 +1040,10 @@ mod tests {
         assert!(num::Float::abs(y_hat[0]) <= 0.1);
     }
 
-    #[cfg_attr(target_arch = "wasm32", wasm_bindgen_test::wasm_bindgen_test)]
+    #[cfg_attr(
+        all(target_arch = "wasm32", not(target_os = "wasi")),
+        wasm_bindgen_test::wasm_bindgen_test
+    )]
     #[test]
     fn svc_fit_predict_rbf() {
         let x = DenseMatrix::from_2d_array(&[
@@ -1083,7 +1092,10 @@ mod tests {
         );
     }
 
-    #[cfg_attr(target_arch = "wasm32", wasm_bindgen_test::wasm_bindgen_test)]
+    #[cfg_attr(
+        all(target_arch = "wasm32", not(target_os = "wasi")),
+        wasm_bindgen_test::wasm_bindgen_test
+    )]
     #[test]
     #[cfg(feature = "serde")]
     fn svc_serde() {

src/svm/svr.rs

@@ -606,7 +606,7 @@ mod tests {
     // }
 
     // TODO: had to disable this test as it runs for too long
-    // #[cfg_attr(target_arch = "wasm32", wasm_bindgen_test::wasm_bindgen_test)]
+    // #[cfg_attr(all(target_arch = "wasm32", not(target_os = "wasi")), wasm_bindgen_test::wasm_bindgen_test)]
     // #[test]
     // fn svr_fit_predict() {
     //     let x = DenseMatrix::from_2d_array(&[
@@ -645,7 +645,7 @@ mod tests {
     //     assert!(mean_squared_error(&y_hat, &y) < 2.5);
     // }
 
-    // #[cfg_attr(target_arch = "wasm32", wasm_bindgen_test::wasm_bindgen_test)]
+    // #[cfg_attr(all(target_arch = "wasm32", not(target_os = "wasi")), wasm_bindgen_test::wasm_bindgen_test)]
     // #[test]
     // #[cfg(feature = "serde")]
     // fn svr_serde() {

src/tree/decision_tree_classifier.rs

@@ -899,7 +899,10 @@ mod tests {
         assert!(iter.next().is_none());
     }
 
-    #[cfg_attr(target_arch = "wasm32", wasm_bindgen_test::wasm_bindgen_test)]
+    #[cfg_attr(
+        all(target_arch = "wasm32", not(target_os = "wasi")),
+        wasm_bindgen_test::wasm_bindgen_test
+    )]
     #[test]
     fn gini_impurity() {
         assert!(
@@ -915,7 +918,10 @@ mod tests {
         );
     }
 
-    #[cfg_attr(target_arch = "wasm32", wasm_bindgen_test::wasm_bindgen_test)]
+    #[cfg_attr(
+        all(target_arch = "wasm32", not(target_os = "wasi")),
+        wasm_bindgen_test::wasm_bindgen_test
+    )]
     #[test]
     fn fit_predict_iris() {
         let x: DenseMatrix<f64> = DenseMatrix::from_2d_array(&[
@@ -968,7 +974,10 @@ mod tests {
         );
     }
 
-    #[cfg_attr(target_arch = "wasm32", wasm_bindgen_test::wasm_bindgen_test)]
+    #[cfg_attr(
+        all(target_arch = "wasm32", not(target_os = "wasi")),
+        wasm_bindgen_test::wasm_bindgen_test
+    )]
     #[test]
     fn fit_predict_baloons() {
         let x: DenseMatrix<f64> = DenseMatrix::from_2d_array(&[
@@ -1003,7 +1012,10 @@ mod tests {
         );
     }
 
-    #[cfg_attr(target_arch = "wasm32", wasm_bindgen_test::wasm_bindgen_test)]
+    #[cfg_attr(
+        all(target_arch = "wasm32", not(target_os = "wasi")),
+        wasm_bindgen_test::wasm_bindgen_test
+    )]
     #[test]
     #[cfg(feature = "serde")]
     fn serde() {

src/tree/decision_tree_regressor.rs

@@ -731,7 +731,10 @@ mod tests {
         assert!(iter.next().is_none());
     }
 
-    #[cfg_attr(target_arch = "wasm32", wasm_bindgen_test::wasm_bindgen_test)]
+    #[cfg_attr(
+        all(target_arch = "wasm32", not(target_os = "wasi")),
+        wasm_bindgen_test::wasm_bindgen_test
+    )]
     #[test]
     fn fit_longley() {
         let x = DenseMatrix::from_2d_array(&[
@@ -808,7 +811,10 @@ mod tests {
         }
     }
 
-    #[cfg_attr(target_arch = "wasm32", wasm_bindgen_test::wasm_bindgen_test)]
+    #[cfg_attr(
+        all(target_arch = "wasm32", not(target_os = "wasi")),
+        wasm_bindgen_test::wasm_bindgen_test
+    )]
     #[test]
     #[cfg(feature = "serde")]
     fn serde() {