feat: Add new gcloud commands, API clients, and third-party libraries across various services.

gcloud auth application-default login/google-cloud-sdk/platform/ext-runtime/custom/test/runtime_test.py

@@ -0,0 +1,31 @@
+#!/usr/bin/python
+
+import os
+import unittest
+
+from gae_ext_runtime import testutil
+
+RUNTIME_DEF_ROOT = os.path.dirname(os.path.dirname(__file__))
+
+class RuntimeTest(testutil.TestBase):
+
+  def setUp(self):
+    self.runtime_def_root = RUNTIME_DEF_ROOT
+    super(RuntimeTest, self).setUp()
+
+  def test_custom_runtime(self):
+    self.write_file('Dockerfile', 'boring contents')
+    self.generate_configs()
+    self.assert_file_exists_with_contents('app.yaml',
+                                          'env: flex\nruntime: custom\n')
+
+  def test_custom_runtime_no_write(self):
+    """Ensure custom runtime writes app.yaml to disk with GenerateConfigData."""
+    self.write_file('Dockerfile', 'boring contents')
+    self.generate_config_data()
+    self.assert_file_exists_with_contents(
+        'app.yaml',
+        'env: flex\nruntime: custom\n')
+
+if __name__ == '__main__':
+  unittest.main()