Added scanning barcodes with a camera

quagga2/quagga2-1.12.1/test/integration/decoders/code_128.spec.ts

@@ -0,0 +1,44 @@
+import { runDecoderTestBothHalfSample, generateConfig } from '../helpers';
+
+describe('Code 128 Decoder Tests', () => {
+    // Note: FNC1 characters are represented as ASCII 29 (Group Separator, \x1D or \u001d)
+    // These are used in GS1-128 barcodes as field separators
+    const FNC1 = String.fromCharCode(29);
+    const code128TestSet = [
+        { 'name': 'image-001.jpg', 'result': '0001285112001000040801', format: 'code_128' },
+        { 'name': 'image-002.jpg', 'result': 'FANAVF14617104', format: 'code_128' },
+        { 'name': 'image-003.jpg', 'result': '673023', format: 'code_128', allowFailInNode: true, allowFailInBrowser: true },
+        { 'name': 'image-004.jpg', 'result': '010210150301625334', format: 'code_128', allowFailInNode: true, allowFailInBrowser: true },
+        { 'name': 'image-005.jpg', 'result': '419055603900009001012999', format: 'code_128' },
+        { 'name': 'image-006.jpg', 'result': '419055603900009001012999', format: 'code_128' },
+        // GS1-128 barcode with FNC1 characters as field separators
+        { 'name': 'image-007.jpg', 'result': `${FNC1}42095747${FNC1}9499907123456123456781`, format: 'code_128' },
+        { 'name': 'image-008.jpg', 'result': '1020185021797280784055', format: 'code_128' },
+        { 'name': 'image-009.jpg', 'result': '0001285112001000040801', format: 'code_128' },
+        { 'name': 'image-010.jpg', 'result': '673023', format: 'code_128' },
+        // TODO: need to implement having different inputStream parameters to be able to
+        // read this one -- it works only with inputStream size set to 1600 presently, but
+        // other samples break at that high a size.
+        // { name: 'image-011.png', result: '33c64780-a9c0-e92a-820c-fae7011c11e2' },
+        // GS1-128 barcodes from issue #390 - real-world food packaging barcodes
+        // image-012 works with halfSample: false, but not with halfSample: true
+        { 'name': 'image-012.jpg', 'result': '01906641589574681121102531020003402152731515', format: 'code_128', allowFailInNode: true, allowFailInBrowser: true },
+        // image-013 and image-014 require higher resolution settings to decode properly
+        // According to issue #390, image-013 needs size: 1280, patchSize: 'small'
+        // and image-014 needs size: 1600, patchSize: 'large'
+        { 'name': 'image-013.jpg', 'result': '', format: 'code_128', allowFailInNode: true, allowFailInBrowser: true },
+        { 'name': 'image-014.jpg', 'result': '', format: 'code_128', allowFailInNode: true, allowFailInBrowser: true },
+    ];
+    runDecoderTestBothHalfSample('code_128', (halfSample) => generateConfig({
+        inputStream: {
+            size: 800,
+            singleChannel: false,
+        },
+        locator: {
+            halfSample,
+        },
+        decoder: {
+            readers: ['code_128_reader'],
+        },
+    }), code128TestSet);
+});