Support Wasi as target (#216)

* Improve features
* Add wasm32-wasi as a target
* Update .github/workflows/ci.yml
Co-authored-by: morenol <22335041+morenol@users.noreply.github.com>

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 {