Refactor WASM binding directory structure

* All tests moved into wasm/codegen/tests folder
* Merged wasm/codegen/helpers/ into wasm/codegen/generators/

PiperOrigin-RevId: 829471173
Change-Id: I2dbc5d9351771817ec260c7ddf87c31e66a9eabe

wasm/codegen/tests/enums_test_generator.py

@@ -0,0 +1,54 @@
+# Copyright 2025 DeepMind Technologies Limited
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+"""Generates TypeScript code that tests Mujoco enums."""
+
+import textwrap
+
+from introspect import enums as introspect_enums
+
+from wasm.codegen.generators import common
+
+
+def generate_typescript_enum_tests():
+  """Generates TypeScript code that tests Mujoco enums."""
+  output = textwrap.dedent("""\
+    import 'jasmine';
+
+    import { MainModule } from "../dist/mujoco_wasm"
+    import loadMujoco from "../dist/mujoco_wasm.js"
+
+    let mujoco: MainModule;
+
+    describe('Enums', () => {
+      beforeAll(async () => {
+        mujoco = await loadMujoco();
+      });
+    """)
+
+  for enum_decl in introspect_enums.ENUMS.values():
+    enum_name = enum_decl.name
+    output += f"""
+  it('{enum_name} should exist', () => {{
+    expect(mujoco.{enum_name}).toBeDefined();
+  }});\n"""
+
+  output += "});\n"
+  return output
+
+
+if __name__ == "__main__":
+  ts_test_code = generate_typescript_enum_tests()
+  output_file = 'wasm/tests/enums_test.ts'
+  common.write_to_file(output_file, ts_test_code)