1 files changed, 89 insertions, 0 deletions
diff --git a/testing/web-platform/tests/resources/chromium/mock-subapps.js b/testing/web-platform/tests/resources/chromium/mock-subapps.js
new file mode 100644
index 0000000000..b81936713b
--- /dev/null
+++ b/testing/web-platform/tests/resources/chromium/mock-subapps.js
@@ -0,0 +1,89 @@
+'use strict';
+
+import {SubAppsService, SubAppsServiceReceiver, SubAppsServiceResultCode} from '/gen/third_party/blink/public/mojom/subapps/sub_apps_service.mojom.m.js';
+
+self.SubAppsServiceTest = (() => {
+  // Class that mocks SubAppsService interface defined in /third_party/blink/public/mojom/subapps/sub_apps_service.mojom
+
+  class MockSubAppsService {
+    constructor() {
+      this.interceptor_ =
+        new MojoInterfaceInterceptor(SubAppsService.$interfaceName);
+      this.receiver_ = new SubAppsServiceReceiver(this);
+      this.interceptor_.oninterfacerequest =
+        e => this.receiver_.$.bindHandle(e.handle);
+      this.interceptor_.start();
+    }
+
+    reset() {
+      this.interceptor_.stop();
+      this.receiver_.$.close();
+    }
+
+    add(sub_apps) {
+      return Promise.resolve({
+        result: testInternal.addCallReturnValue,
+      });
+    }
+
+    list() {
+      return Promise.resolve({
+        result: {
+          resultCode: testInternal.serviceResultCode,
+          subAppsList: testInternal.listCallReturnValue,
+        }
+      });
+    }
+
+    remove() {
+      return Promise.resolve({
+        result: testInternal.removeCallReturnValue,
+      });
+    }
+  }
+
+  let testInternal = {
+    initialized: false,
+    mockSubAppsService: null,
+    serviceResultCode: 0,
+    addCallReturnValue: [],
+    listCallReturnValue: [],
+    removeCallReturnValue: [],
+  }
+
+  class SubAppsServiceTestChromium {
+    constructor() {
+      Object.freeze(this);  // Make it immutable.
+    }
+
+    initialize(service_result_code, add_call_return_value, list_call_return_value, remove_call_return_value) {
+      if (!testInternal.initialized) {
+        testInternal = {
+          mockSubAppsService: new MockSubAppsService(),
+          initialized: true,
+          serviceResultCode: service_result_code,
+          addCallReturnValue: add_call_return_value,
+          listCallReturnValue: list_call_return_value,
+          removeCallReturnValue: remove_call_return_value,
+        };
+      };
+    }
+
+    async reset() {
+      if (testInternal.initialized) {
+        testInternal.mockSubAppsService.reset();
+        testInternal = {
+          mockSubAppsService: null,
+          initialized: false,
+          serviceResultCode: 0,
+          addCallReturnValue: [],
+          listCallReturnValue: [],
+          removeCallReturnValue: [],
+        };
+        await new Promise(resolve => setTimeout(resolve, 0));
+      }
+    }
+  }
+
+  return SubAppsServiceTestChromium;
+})();