1 files changed, 48 insertions, 0 deletions
diff --git a/bin/run-tests.js b/bin/run-tests.js
new file mode 100644
index 0000000..b8ab5d0
--- /dev/null
+++ b/bin/run-tests.js
@@ -0,0 +1,48 @@
+import { readdir } from "fs/promises";
+import { resolve, relative, basename } from "path";
+
+const dir = "node_modules/gleam_javascript";
+
+async function getFiles(dir) {
+  const dirents = await readdir(dir, { withFileTypes: true });
+  const files = await Promise.all(
+    dirents.map((dirent) => {
+      const res = resolve(dir, dirent.name);
+      return dirent.isDirectory() ? getFiles(res) : res;
+    })
+  );
+  return Array.prototype.concat(...files);
+}
+
+async function main() {
+  console.log("Running tests...");
+
+  let passes = 0;
+  let failures = 0;
+
+  for (let path of await getFiles(dir)) {
+    if (!path.endsWith("_test.js")) continue;
+    process.stdout.write("\n" + relative(dir, path).slice(0, -3) + ":\n  ");
+    let module = await import(path);
+    for (let fnName of Object.keys(module)) {
+      if (!fnName.endsWith("_test")) continue;
+      try {
+        module[fnName]();
+        process.stdout.write("✨");
+        passes++;
+      } catch (error) {
+        process.stdout.write(`❌ ${fnName}: ${error}\n  `);
+        failures++;
+      }
+    }
+  }
+
+  console.log(`
+
+${passes + failures} tests
+${passes} passes
+${failures} failures`);
+  process.exit(failures ? 1 : 0);
+}
+
+main();