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Filename :
exif_helper.spec.js
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import { findTagsInObjectURL, findTagsInBuffer, base64ToArrayBuffer } from '../../src/input/exif_helper'; const fixtures = { orientation: { 'none': 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'6': 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'3': 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'8': 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'1': 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} }; describe('exif_helper', () => { describe("findTagsInObjectURL", () => { it("should return null if the src type is not supported", (done) => { findTagsInObjectURL("blabla").then(tags => { expect(tags === null).to.equal(true); done(); }); }); it("should fail for a invalid blob type", (done) => { findTagsInObjectURL('blob:balbla') .then(() => {}) .catch(err => { console.log(err); expect(typeof err !== 'undefined'); }).then(done); }); }); describe("findTagsInBuffer", () => { it("should result in a rotation value of 1", () => { const result = findTagsInBuffer(base64ToArrayBuffer(fixtures.orientation['1'])); expect(result).to.deep.equal({orientation: 1}); }); it("should result in a rotation value of 6", () => { const result = findTagsInBuffer(base64ToArrayBuffer(fixtures.orientation['6'])); expect(result).to.deep.equal({orientation: 6}); }); it("should result in a rotation value of 3", () => { const result = findTagsInBuffer(base64ToArrayBuffer(fixtures.orientation['3'])); expect(result).to.deep.equal({orientation: 3}); }); it("should result in a rotation value of 4", () => { const result = findTagsInBuffer(base64ToArrayBuffer(fixtures.orientation['8'])); expect(result).to.deep.equal({orientation: 8}); }); it("should return nothing if orientation is not found", () => { const result = findTagsInBuffer(base64ToArrayBuffer(fixtures.orientation['none'])); expect(result).to.deep.equal({}); }); }); });