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<!DOCTYPE html>
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<script src="resources/shapedetection-helpers.js"></script>
<body>
<img id="img" src="/images/green-16x16.png"/>
</body>
<script>
// These tests verify that a Detector's detect() works on an HTMLImageElement.
const imageElementTests =
[
{
createDetector: () => { return new FaceDetector(); },
mockTestName: "FaceDetectionTest",
detectionResultTest: FaceDetectorDetectionResultTest,
name: "Face - detect(HTMLImageElement)"
},
{
createDetector: () => { return new BarcodeDetector(); },
mockTestName: "BarcodeDetectionTest",
detectionResultTest: BarcodeDetectorDetectionResultTest,
name: "Barcode - detect(HTMLImageElement)",
}
];
for (let imageElementTest of imageElementTests) {
detection_test(imageElementTest.mockTestName, async (t, detectionTest) => {
const img = document.getElementById("img");
const detector = imageElementTest.createDetector();
const detectionResult = await detector.detect(img);
imageElementTest.detectionResultTest(detectionResult, detectionTest);
}, imageElementTest.name);
}
function FaceDetectorDetectionResultTest(detectionResult, mockTest) {
const imageReceivedByMock =
mockTest.MockFaceDetectionProvider().getFrameData();
assert_equals(imageReceivedByMock.byteLength, 1024, "Image length");
const GREEN_PIXEL = 0xFF00FF00;
assert_equals(imageReceivedByMock[0], GREEN_PIXEL, "Pixel color");
assert_equals(detectionResult.length, 3, "Number of faces");
assert_equals(detectionResult[0].landmarks.length, 2, "Number of landmarks");
assert_object_equals(detectionResult[0].landmarks[0],
{type : 'eye', locations : [{x : 4.0, y : 5.0}]},
"landmark #1");
assert_equals(detectionResult[0].landmarks[1].locations.length, 8,
"Number of locations along eye");
assert_object_equals(detectionResult[1].landmarks[0],
{type : 'nose', locations : [{x : 100.0, y : 50.0}]},
"landmark #2");
assert_equals(detectionResult[1].landmarks[1].locations.length, 9,
"Number of locations along nose");
}
function BarcodeDetectorDetectionResultTest(detectionResult, mockTest) {
assert_equals(detectionResult.length, 2, "Number of barcodes");
assert_equals(detectionResult[0].rawValue, "cats", "barcode 1");
assert_equals(detectionResult[0].format, "qr_code", "barcode 1 format");
assert_equals(detectionResult[1].rawValue, "dogs", "barcode 2");
assert_equals(detectionResult[1].format, "code_128", "barcode 2 format");
}
</script>
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