test(binaryinstall): Windows specific tests

binary-install/tests/all/download.rs

@@ -29,7 +29,8 @@ fn it_returns_binary_name_for_unix() {
 }
 
 #[test]
-fn it_bails_if_not_file() {
+#[cfg(not(windows))]
+fn it_bails_if_not_file_for_unix() {
     let binary_name = "wasm-pack";
 
     let dir = tempfile::TempDir::new().unwrap();
@@ -51,7 +52,31 @@ fn it_bails_if_not_file() {
 }
 
 #[test]
-fn it_bails_if_not_executable() {
+#[cfg(windows)]
+fn it_bails_if_not_file_for_windows() {
+    let binary_name = "wasm-pack.exe";
+
+    let dir = tempfile::TempDir::new().unwrap();
+    let download = Download::at(dir.path());
+
+    let full_path = dir.path().join(binary_name);
+
+    let mut options = OpenOptions::new();
+    options.create(true);
+    options.write(true);
+
+    let binary = download.binary(binary_name);
+
+    assert!(binary.is_err());
+    assert_eq!(
+        format!("{} binary does not exist", full_path.to_str().unwrap()),
+        binary.unwrap_err().to_string()
+    );
+}
+
+#[test]
+#[cfg(not(windows))]
+fn it_bails_if_not_executable_for_unix() {
     let binary_name = "wasm-pack";
 
     let dir = tempfile::TempDir::new().unwrap();
@@ -73,3 +98,28 @@ fn it_bails_if_not_executable() {
         binary.unwrap_err().to_string()
     );
 }
+
+#[test]
+#[cfg(windows)]
+fn it_bails_if_not_executable_for_windows() {
+    let binary_name = "wasm-pack.exe";
+
+    let dir = tempfile::TempDir::new().unwrap();
+    let download = Download::at(dir.path());
+
+    let full_path = dir.path().join(binary_name);
+
+    let mut options = OpenOptions::new();
+    options.create(true);
+    options.write(true);
+
+    options.open(&full_path).unwrap();
+
+    let binary = download.binary(binary_name);
+
+    assert!(binary.is_err());
+    assert_eq!(
+        format!("{} is not executable", full_path.to_str().unwrap()),
+        binary.unwrap_err().to_string()
+    );
+}