feat: added support to wasm (#94)

* test: run tests also in wasm targets

* fix: install rand with wasm-bindgen por wasm targets

* fix: use actual usize size to access buffer.

* fix: do not run functions that create files in wasm.

* test: do not run in wasm test that panics.

Co-authored-by: Luis Moreno <morenol@users.noreply.github.com>

src/metrics/accuracy.rs

@@ -57,6 +57,7 @@ impl Accuracy {
 mod tests {
     use super::*;
 
+    #[cfg_attr(target_arch = "wasm32", wasm_bindgen_test::wasm_bindgen_test)]
     #[test]
     fn accuracy() {
         let y_pred: Vec<f64> = vec![0., 2., 1., 3.];

src/metrics/auc.rs

@@ -93,6 +93,7 @@ impl AUC {
 mod tests {
     use super::*;
 
+    #[cfg_attr(target_arch = "wasm32", wasm_bindgen_test::wasm_bindgen_test)]
     #[test]
     fn auc() {
         let y_true: Vec<f64> = vec![0., 0., 1., 1.];

src/metrics/cluster_hcv.rs

@@ -43,6 +43,7 @@ impl HCVScore {
 mod tests {
     use super::*;
 
+    #[cfg_attr(target_arch = "wasm32", wasm_bindgen_test::wasm_bindgen_test)]
     #[test]
     fn homogeneity_score() {
         let v1 = vec![0.0, 0.0, 1.0, 1.0, 2.0, 0.0, 4.0];

src/metrics/cluster_helpers.rs

@@ -101,6 +101,7 @@ pub fn mutual_info_score<T: RealNumber>(contingency: &[Vec<usize>]) -> T {
 mod tests {
     use super::*;
 
+    #[cfg_attr(target_arch = "wasm32", wasm_bindgen_test::wasm_bindgen_test)]
     #[test]
     fn contingency_matrix_test() {
         let v1 = vec![0.0, 0.0, 1.0, 1.0, 2.0, 0.0, 4.0];
@@ -112,6 +113,7 @@ mod tests {
         );
     }
 
+    #[cfg_attr(target_arch = "wasm32", wasm_bindgen_test::wasm_bindgen_test)]
     #[test]
     fn entropy_test() {
         let v1 = vec![0.0, 0.0, 1.0, 1.0, 2.0, 0.0, 4.0];
@@ -119,6 +121,7 @@ mod tests {
         assert!((1.2770f32 - entropy(&v1).unwrap()).abs() < 1e-4);
     }
 
+    #[cfg_attr(target_arch = "wasm32", wasm_bindgen_test::wasm_bindgen_test)]
     #[test]
     fn mutual_info_score_test() {
         let v1 = vec![0.0, 0.0, 1.0, 1.0, 2.0, 0.0, 4.0];

src/metrics/f1.rs

@@ -59,6 +59,7 @@ impl<T: RealNumber> F1<T> {
 mod tests {
     use super::*;
 
+    #[cfg_attr(target_arch = "wasm32", 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

@@ -56,6 +56,7 @@ impl MeanAbsoluteError {
 mod tests {
     use super::*;
 
+    #[cfg_attr(target_arch = "wasm32", 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

@@ -56,6 +56,7 @@ impl MeanSquareError {
 mod tests {
     use super::*;
 
+    #[cfg_attr(target_arch = "wasm32", 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

@@ -77,6 +77,7 @@ impl Precision {
 mod tests {
     use super::*;
 
+    #[cfg_attr(target_arch = "wasm32", wasm_bindgen_test::wasm_bindgen_test)]
     #[test]
     fn precision() {
         let y_true: Vec<f64> = vec![0., 1., 1., 0.];

src/metrics/r2.rs

@@ -70,6 +70,7 @@ impl R2 {
 mod tests {
     use super::*;
 
+    #[cfg_attr(target_arch = "wasm32", wasm_bindgen_test::wasm_bindgen_test)]
     #[test]
     fn r2() {
         let y_true: Vec<f64> = vec![3., -0.5, 2., 7.];

src/metrics/recall.rs

@@ -77,6 +77,7 @@ impl Recall {
 mod tests {
     use super::*;
 
+    #[cfg_attr(target_arch = "wasm32", wasm_bindgen_test::wasm_bindgen_test)]
     #[test]
     fn recall() {
         let y_true: Vec<f64> = vec![0., 1., 1., 0.];