Publish Vulpes Preview 15 sources for desktop, Android and Tundra
Share Gaia assets and adapters, keep private profiles and development documents local, and update both public READMEs.
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184
gaia/apps/camera/test/unit/views/viewfinder_test.js
Executable file
184
gaia/apps/camera/test/unit/views/viewfinder_test.js
Executable file
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suite('views/viewfinder', function() {
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'use strict';
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var SENSOR_ANGLE = 90;
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suiteSetup(function(done) {
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var self = this;
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requirejs(['views/viewfinder'], function(ViewfinderView) {
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self.ViewfinderView = ViewfinderView;
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done();
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});
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});
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setup(function() {
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this.viewfinder = new this.ViewfinderView();
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this.viewfinder.width = 300;
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this.viewfinder.height = 500;
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});
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suite('ViewfinderView#updatePreview()', function() {
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setup(function() {
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sinon.stub(this.viewfinder, 'updatePreviewMetrics');
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});
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test('Should prefer this.scaleType if defined', function() {
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var preview = { width: 1600, height: 900 };
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var scaleType;
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this.viewfinder.scaleType = 'fit';
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this.viewfinder.updatePreview(preview, SENSOR_ANGLE);
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scaleType = this.viewfinder.updatePreviewMetrics.args[0][3];
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assert.equal(scaleType, 'fit');
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this.viewfinder.scaleType = 'foobar';
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this.viewfinder.updatePreview(preview, SENSOR_ANGLE);
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scaleType = this.viewfinder.updatePreviewMetrics.args[1][3];
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assert.equal(scaleType, 'foobar');
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});
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test('Should choose \'fill\' scaleType if preview aspect > container aspect', function() {
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var scaleType;
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this.viewfinder.scaleType = undefined;
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this.viewfinder.updatePreview({ width: 1600, height: 900 }, SENSOR_ANGLE);
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scaleType = this.viewfinder.updatePreviewMetrics.args[0][3];
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assert.equal(scaleType, 'fill');
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this.viewfinder.updatePreview({ width: 400, height: 300 }, SENSOR_ANGLE);
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scaleType = this.viewfinder.updatePreviewMetrics.args[1][3];
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assert.equal(scaleType, 'fit');
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});
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test('Should add negative scale style if `mirror` argument is true', function() {
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var preview = { width: 1600, height: 900 };
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this.viewfinder.updatePreview(preview, SENSOR_ANGLE, true);
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assert.isTrue(this.viewfinder.els.videoContainer.style.transform.indexOf('scale(-1') === -1);
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this.viewfinder.updatePreview(preview, SENSOR_ANGLE, false);
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assert.isFalse(this.viewfinder.els.videoContainer.style.transform.indexOf('scale(-1') !== -1);
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});
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});
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suite('ViewfinderView#updatePreviewMetrics()', function() {
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setup(function() {
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this.viewfinder.container = {
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width: this.viewfinder.height,
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height: this.viewfinder.width
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};
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this.container = this.viewfinder.container;
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});
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test('Should set a \'scale-type\' attribute', function() {
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var previewSize = { width: 400, height: 300 };
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this.viewfinder.updatePreviewMetrics(previewSize, SENSOR_ANGLE, false, 'fill');
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assert.equal(this.viewfinder.el.getAttribute('scale-type'), 'fill');
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this.viewfinder.updatePreviewMetrics(previewSize, SENSOR_ANGLE, false, 'fit');
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assert.equal(this.viewfinder.el.getAttribute('scale-type'), 'fit');
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});
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suite('\'fill\'', function() {
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test('Should match frame width to container width when preview aspect > container aspect', function() {
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var previewSize = { width: 1600, height: 900 };
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// Run test-case
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this.viewfinder.updatePreviewMetrics(previewSize, SENSOR_ANGLE, false, 'fill');
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// Frame
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var frame = {
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width: parseInt(this.viewfinder.els.frame.style.width, 10),
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height: parseInt(this.viewfinder.els.frame.style.height, 10)
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};
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// Video container
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var video = {
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width: parseInt(this.viewfinder.els.videoContainer.style.width, 10),
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height: parseInt(this.viewfinder.els.videoContainer.style.height, 10)
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};
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assert.equal(frame.width, this.container.height);
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assert.ok(frame.height > this.container.width);
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assert.equal(video.height, this.container.height);
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assert.ok(video.width > this.container.width);
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});
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test('Should match frame height to container height when preview aspect < container aspect', function() {
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var previewSize = { width: 400, height: 300 };
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// Run test-case
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this.viewfinder.updatePreviewMetrics(previewSize, SENSOR_ANGLE, false, 'fill');
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var frame = {
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width: parseInt(this.viewfinder.els.frame.style.width, 10),
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height: parseInt(this.viewfinder.els.frame.style.height, 10)
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};
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var video = {
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width: parseInt(this.viewfinder.els.videoContainer.style.width, 10),
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height: parseInt(this.viewfinder.els.videoContainer.style.height, 10)
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};
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assert.ok(frame.width > this.container.height);
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assert.equal(frame.height, this.container.width);
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assert.ok(video.height > this.container.height);
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assert.equal(video.width, this.container.width);
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});
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});
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suite('\'fit\'', function() {
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test('Should match frame height to container height when preview aspect > container aspect', function() {
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var previewSize = { width: 1600, height: 900 };
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// Run test-case
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this.viewfinder.updatePreviewMetrics(previewSize, SENSOR_ANGLE, false, 'fit');
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var frame = {
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width: parseInt(this.viewfinder.els.frame.style.width, 10),
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height: parseInt(this.viewfinder.els.frame.style.height, 10)
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};
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var video = {
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width: parseInt(this.viewfinder.els.videoContainer.style.width, 10),
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height: parseInt(this.viewfinder.els.videoContainer.style.height, 10)
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};
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assert.equal(frame.height, this.container.width);
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assert.ok(frame.width < this.container.height);
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assert.equal(video.width, this.container.width);
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assert.ok(video.height < this.container.height);
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});
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test('Should match frame width to container width when preview aspect < container aspect', function() {
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var previewSize = { width: 400, height: 300 };
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// Run test-case
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this.viewfinder.updatePreviewMetrics(previewSize, SENSOR_ANGLE, false, 'fit');
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var frame = {
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width: parseInt(this.viewfinder.els.frame.style.width, 10),
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height: parseInt(this.viewfinder.els.frame.style.height, 10)
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};
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var video = {
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width: parseInt(this.viewfinder.els.videoContainer.style.width, 10),
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height: parseInt(this.viewfinder.els.videoContainer.style.height, 10)
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};
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// Check width is equal and height is shorter
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assert.equal(frame.width, this.container.height);
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assert.ok(frame.height < this.container.width);
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// Check container width is shorter and container height is equal
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assert.ok(video.width < this.container.width);
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assert.equal(video.height, this.container.height);
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});
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});
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});
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});
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