1 files changed, 136 insertions, 0 deletions
diff --git a/testing/web-platform/tests/resources/chromium/mock-barcodedetection.js b/testing/web-platform/tests/resources/chromium/mock-barcodedetection.js
new file mode 100644
index 0000000000..b0d2e0af0a
--- /dev/null
+++ b/testing/web-platform/tests/resources/chromium/mock-barcodedetection.js
@@ -0,0 +1,136 @@
+import {BarcodeDetectionReceiver, BarcodeFormat} from '/gen/services/shape_detection/public/mojom/barcodedetection.mojom.m.js';
+import {BarcodeDetectionProvider, BarcodeDetectionProviderReceiver} from '/gen/services/shape_detection/public/mojom/barcodedetection_provider.mojom.m.js';
+
+self.BarcodeDetectionTest = (() => {
+  // Class that mocks BarcodeDetectionProvider interface defined in
+  // https://cs.chromium.org/chromium/src/services/shape_detection/public/mojom/barcodedetection_provider.mojom
+  class MockBarcodeDetectionProvider {
+    constructor() {
+      this.receiver_ = new BarcodeDetectionProviderReceiver(this);
+
+      this.interceptor_ = new MojoInterfaceInterceptor(
+          BarcodeDetectionProvider.$interfaceName);
+      this.interceptor_.oninterfacerequest = e => {
+        if (this.should_close_pipe_on_request_)
+          e.handle.close();
+        else
+          this.receiver_.$.bindHandle(e.handle);
+      }
+      this.interceptor_.start();
+      this.should_close_pipe_on_request_ = false;
+    }
+
+    createBarcodeDetection(request, options) {
+      this.mockService_ = new MockBarcodeDetection(request, options);
+    }
+
+    enumerateSupportedFormats() {
+      return {
+        supportedFormats: [
+          BarcodeFormat.AZTEC,
+          BarcodeFormat.DATA_MATRIX,
+          BarcodeFormat.QR_CODE,
+        ]
+      };
+    }
+
+    getFrameData() {
+      return this.mockService_.bufferData_;
+    }
+
+    getFormats() {
+     return this.mockService_.options_.formats;
+    }
+
+    reset() {
+      this.mockService_ = null;
+      this.should_close_pipe_on_request_ = false;
+      this.receiver_.$.close();
+      this.interceptor_.stop();
+    }
+
+    // simulate a 'no implementation available' case
+    simulateNoImplementation() {
+      this.should_close_pipe_on_request_ = true;
+    }
+  }
+
+  // Class that mocks BarcodeDetection interface defined in
+  // https://cs.chromium.org/chromium/src/services/shape_detection/public/mojom/barcodedetection.mojom
+  class MockBarcodeDetection {
+    constructor(request, options) {
+      this.options_ = options;
+      this.receiver_ = new BarcodeDetectionReceiver(this);
+      this.receiver_.$.bindHandle(request.handle);
+    }
+
+    detect(bitmapData) {
+      this.bufferData_ =
+          new Uint32Array(getArrayBufferFromBigBuffer(bitmapData.pixelData));
+      return {
+        results: [
+          {
+            rawValue : "cats",
+            boundingBox: { x: 1.0, y: 1.0, width: 100.0, height: 100.0 },
+            format: BarcodeFormat.QR_CODE,
+            cornerPoints: [
+              { x: 1.0, y: 1.0 },
+              { x: 101.0, y: 1.0 },
+              { x: 101.0, y: 101.0 },
+              { x: 1.0, y: 101.0 }
+            ],
+          },
+          {
+            rawValue : "dogs",
+            boundingBox: { x: 2.0, y: 2.0, width: 50.0, height: 50.0 },
+            format: BarcodeFormat.CODE_128,
+            cornerPoints: [
+              { x: 2.0, y: 2.0 },
+              { x: 52.0, y: 2.0 },
+              { x: 52.0, y: 52.0 },
+              { x: 2.0, y: 52.0 }
+            ],
+          },
+        ],
+      };
+    }
+  }
+
+  let testInternal = {
+    initialized: false,
+    MockBarcodeDetectionProvider: null
+  }
+
+  class BarcodeDetectionTestChromium {
+    constructor() {
+      Object.freeze(this); // Make it immutable.
+    }
+
+    initialize() {
+      if (testInternal.initialized)
+        throw new Error('Call reset() before initialize().');
+
+      testInternal.MockBarcodeDetectionProvider = new MockBarcodeDetectionProvider;
+      testInternal.initialized = true;
+    }
+
+    // Resets state of barcode detection mocks between test runs.
+    async reset() {
+      if (!testInternal.initialized)
+        throw new Error('Call initialize() before reset().');
+      testInternal.MockBarcodeDetectionProvider.reset();
+      testInternal.MockBarcodeDetectionProvider = null;
+      testInternal.initialized = false;
+
+      await new Promise(resolve => setTimeout(resolve, 0));
+    }
+
+    MockBarcodeDetectionProvider() {
+      return testInternal.MockBarcodeDetectionProvider;
+    }
+  }
+
+  return BarcodeDetectionTestChromium;
+})();
+
+self.BarcodeFormat = BarcodeFormat;