Added Configuration-Factory for various modes of input

2026-08-12 21:21:42 +08:00 · 2016-06-19 16:34:55 +02:00
parent e7c62221c1
commit ec8f4377c1
3 changed files with 287 additions and 83 deletions
@@ -0,0 +1,133 @@
+import {createConfigFromSource} from '../../src/input/config_factory';
+
+function MyFileList(file) {
+    Array.call(this);
+    this.push(file);
+};
+MyFileList.prototype = Object.create(Array.prototype);
+MyFileList.prototype.constructor = MyFileList;
+
+const OriginalFileList = window.FileList;
+
+beforeEach(function() {
+    window.FileList = MyFileList;
+});
+
+afterEach(function() {
+    window.FileList = OriginalFileList;
+});
+
+function expectImageConfig(config) {
+    expect(config.inputStream.type).to.equal("ImageStream");
+    expect(config.inputStream.sequence).to.equal(false);
+    expect(config.inputStream.size).to.be.above(0);
+    expect(config.numOfWorkers).to.equal(0);
+}
+
+function expectVideoConfig(config) {
+    expect(config.inputStream.type).to.equal("VideoStream");
+    expect(config.inputStream.src).to.be.a('string');
+}
+
+function expectLiveConfig(config) {
+    expect(config.inputStream.type).to.equal("LiveStream");
+    expect(config.inputStream.src).to.not.exist;
+    expect(config.inputStream.constraints.width).to.be.above(0);
+    expect(config.inputStream.constraints.height).to.be.above(0);
+}
+
+describe("createConfigFromSource", () => {
+    it("should create an image config for an image-file", () => {
+        const file = new File([], "image.jpg", {type: 'image/jpg'});
+        const config = createConfigFromSource({}, {}, file);
+        expectImageConfig(config);
+        expect(config.inputStream.src).to.have.string("blob:");
+    });
+
+    it("should create an image config for a data-url", () => {
+        const config = createConfigFromSource({}, {}, "data:image/png;base64," +
+        "iVBORw0KGgoAAAANSUhEUgAAABAAAAAQAQMAAAAlPW0iAAAABlBMVEUAAAD///+l2Z/d" +
+        "AAAAM0lEQVR4nGP4/5/h/1+G/58ZDrAz3D/McH8yw83NDDeNGe4Ug9C9zwz3gVLMDA/A" +
+        "6P9/AFGGFyjOXZtQAAAAAElFTkSuQmCC");
+
+        expectImageConfig(config);
+        expect(config.inputStream.src).to.have.string("data:image/png");
+    });
+
+    it("should create an image config for a regular image url", () => {
+        const config = createConfigFromSource({}, {}, "/image-001.jpg");
+        expectImageConfig(config);
+        expect(config.inputStream.src).to.have.string("/image-001.jpg");
+    });
+
+    it("should create an image config for an absolute image url", () => {
+        const config = createConfigFromSource({}, {}, "http://dja.com/ige.png");
+        expectImageConfig(config);
+        expect(config.inputStream.src).to.have.string("http://dja.com/ige.png");
+    });
+
+    it("should throw an error in case of an blob-url", () => {
+        expect(createConfigFromSource.bind(null, {}, {}, "blob:das"))
+            .to.throw(Error, /objectURL/);
+    });
+
+    it("should throw an error in case an arbitrary string is given", () => {
+        expect(createConfigFromSource.bind(null, {}, {}, "dhfskjdfhsdfsdf"))
+            .to.throw(Error, /dhfskjdfhsdfsdf/);
+    });
+
+    it("should throw an error in case of an unsupported mime type", () => {
+        expect(createConfigFromSource.bind(null, {}, {}, "data:audio/mp3;base64,379"))
+            .to.throw(Error, /mimetype/);
+    });
+
+    it("should throw an error in case of an unsupported extension", () => {
+        expect(createConfigFromSource.bind(null, {}, {}, "sdflsdkf.mp3"))
+            .to.throw(Error, /MediaString/);
+    });
+
+    it("should throw an error in case of an HTMLImageElement", () => {
+        expect(createConfigFromSource.bind(null, {}, {}, new Image()))
+            .to.throw(Error, /HTMLImageElement/);
+    });
+
+    it("should throw an error in case of an HTMLVideoElement", () => {
+        const video = document.createElement("video");
+        console.log(typeof video);
+        expect(createConfigFromSource.bind(null, {}, {}, video))
+            .to.throw(Error, /HTMLVideoElement/);
+    });
+
+    it("should work with a fileList", () => {
+        const file = new File([], "image.jpg", {type: 'image/jpg'});
+        const fileList = new MyFileList(file);
+        const config = createConfigFromSource({}, {}, fileList);
+        expectImageConfig(config);
+        expect(config.inputStream.src).to.have.string("blob:");
+    });
+
+    it("should create a video config for a given url", () => {
+        const config = createConfigFromSource({}, {}, "/video-001.ogg");
+        expectVideoConfig(config);
+        expect(config.inputStream.src).to.have.string("/video-001.ogg");
+    });
+
+    it("should create a video config for a given file", () => {
+        const file = new File([], "video-001.ogg", {type: 'video/ogg'});
+        const config = createConfigFromSource({}, {}, file);
+        expectVideoConfig(config);
+        expect(config.inputStream.src).to.have.string("blob:");
+    });
+
+    it("should create a live config", () => {
+        const config = createConfigFromSource({}, {}, {
+            constraints: {
+                width: 1280,
+                height: 480,
+                facingMode: "user"
+            }
+        });
+        expectLiveConfig(config);
+        expect(config.inputStream.constraints.facingMode).to.equal("user");
+    });
+});