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gaia/apps/gallery/test/unit/pick_test.js

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+/*jshint maxlen:false, sub:true*/
+/*global MockGetDeviceStorage, MockCropResizeRotate*/
+/*global MocksHelper, LAYOUT_MODE, MediaDB, ImageEditor, Pick*/
+'use strict';
+
+require('/shared/test/unit/mocks/mock_lazy_loader.js');
+require('/shared/test/unit/mocks/mock_mediadb.js');
+require('/shared/test/unit/mocks/mock_crop_resize_rotate.js');
+require('/shared/test/unit/mocks/mock_navigator_getdevicestorage.js');
+require('/shared/js/media/jpeg-exif.js');
+requireApp('/gallery/test/unit/mock_image_editor.js');
+requireApp('/gallery/test/unit/mock_spinner.js');
+requireApp('/gallery/js/pick.js');
+
+var mocksHelper = new MocksHelper([
+  'LazyLoader',
+  'MediaDB',
+  'ImageEditor',
+  'Spinner'
+]).init();
+
+suite('pick', function() {
+
+  mocksHelper.attachTestHelpers();
+
+  var real$;
+
+  var selectors;
+
+  setup(function() {
+    selectors = {};
+  });
+
+  suiteSetup(function() {
+    window.cropResizeRotate = sinon.spy(MockCropResizeRotate);
+    navigator.getDeviceStorage = sinon.spy(MockGetDeviceStorage);
+
+    real$ = window.$;
+
+    window.$ = function(selector) {
+      return (selectors[selector] = selectors[selector] || {
+        addEventListener: sinon.spy()
+      });
+    };
+
+    window.LAYOUT_MODE = {
+      pick: 'pick',
+      crop: 'crop'
+    };
+
+    window.CONFIG_MAX_PICK_PIXEL_SIZE = 800 * 600;
+
+    window.setView = sinon.spy();
+
+    window.photodb = new MediaDB('pictures');
+  });
+
+  suiteTeardown(function() {
+    window.$ = real$;
+  });
+
+  suite('start', function() {
+    var activity = {
+      source: {
+        data: {
+          type: 'image/jpeg'
+        }
+      }
+    };
+
+    test('Should call `setView` with `LAYOUT_MODE.pick`', function() {
+      window.setView.reset();
+
+      Pick.start(activity);
+      assert.ok(window.setView.calledWith(LAYOUT_MODE.pick));
+    });
+
+    test('Should add "action" event listener to #pick-header', function() {
+      Pick.start(activity);
+      assert.ok(selectors['pick-header'].addEventListener.calledWith('action'));
+    });
+
+    test('Should add "action" event listener to #crop-top', function() {
+      Pick.start(activity);
+      assert.ok(selectors['crop-top'].addEventListener.calledWith('action'));
+    });
+
+    test('Should add "click" event listener to #crop-done-button', function() {
+      Pick.start(activity);
+      assert.ok(selectors['crop-done-button'].addEventListener.calledWith('click'));
+    });
+  });
+
+  suite('select', function() {
+    var activity = {
+      source: {
+        data: {
+          type: 'image/jpeg'
+        }
+      }
+    };
+
+    var fileinfo = {
+      name: '/foo/bar/baz.jpg',
+      metadata: {}
+    };
+
+    test('Should show file name in the title bar if `nocrop` flag is set', function() {
+      activity.source.data.nocrop = true;
+
+      Pick.start(activity);
+      Pick.select(fileinfo);
+      assert.equal(selectors['crop-header'].textContent, 'baz');
+      delete activity.source.data.nocrop;
+    });
+
+    test('Should call `setView` with `LAYOUT_MODE.crop`', function() {
+      window.setView.reset();
+
+      Pick.start(activity);
+      Pick.select(fileinfo);
+      assert.ok(window.setView.calledWith(LAYOUT_MODE.crop));
+    });
+
+    test('Should disable #crop-done-button', function() {
+      Pick.start(activity);
+      Pick.select(fileinfo);
+      assert.isTrue(selectors['crop-done-button'].disabled);
+    });
+
+    test('Should get file from MediaDB', function() {
+      window.photodb.getFile.reset();
+
+      Pick.start(activity);
+      Pick.select(fileinfo);
+      assert.ok(window.photodb.getFile.calledWith(fileinfo.name));
+    });
+
+    test('Should crop/resize/rotate file', function() {
+      window.cropResizeRotate.reset();
+
+      Pick.start(activity);
+      Pick.select(fileinfo);
+      assert.ok(window.cropResizeRotate.called);
+    });
+
+    test('Should use external preview file if specified', function() {
+      navigator.getDeviceStorage.reset();
+
+      fileinfo.metadata.preview = {
+        filename: '/foo/bar/baz_preview.jpg'
+      };
+      Pick.start(activity);
+      Pick.select(fileinfo);
+      assert.ok(navigator.getDeviceStorage.calledWith('pictures'));
+    });
+  });
+
+  suite('cancel', function() {
+    var activity = {
+      source: {
+        data: {
+          type: 'image/jpeg'
+        }
+      },
+      postError: sinon.spy()
+    };
+
+    var fileinfo = {
+      name: '/foo/bar/baz.jpg',
+      metadata: {}
+    };
+
+    test('Should post "pick cancelled" error', function() {
+      activity.postError.reset();
+
+      Pick.start(activity);
+      Pick.select(fileinfo);
+      Pick.cancel();
+      assert.ok(activity.postError.calledWith('pick cancelled'));
+    });
+  });
+
+  suite('restart', function() {
+    var activity = {
+      source: {
+        data: {
+          type: 'image/jpeg'
+        }
+      }
+    };
+
+    var fileinfo = {
+      name: '/foo/bar/baz.jpg',
+      metadata: {}
+    };
+
+    test('Should destroy `ImageEditor`', function(done) {
+      ImageEditor.prototype.destroy.reset();
+
+      Pick.start(activity);
+      Pick.select(fileinfo);
+      setTimeout(function() {
+        Pick.restart();
+        assert.ok(ImageEditor.prototype.destroy.called);
+        done();
+      });
+    });
+
+    test('Should call `setView` with `LAYOUT_MODE.pick`', function(done) {
+      window.setView.reset();
+
+      Pick.start(activity);
+      Pick.select(fileinfo);
+      setTimeout(function() {
+        Pick.restart();
+        assert.ok(window.setView.calledWith(LAYOUT_MODE.pick));
+        done();
+      });
+    });
+  });
+
+  suite('end', function() {
+    var activity = {
+      source: {
+        data: {
+          type: 'image/jpeg'
+        }
+      },
+      postResult: sinon.spy()
+    };
+
+    var fileinfo = {
+      name: '/foo/bar/baz.jpg',
+      metadata: {}
+    };
+
+    test('Should call `getCropRegion` on `ImageEditor`', function() {
+      ImageEditor.prototype.getCropRegion.reset();
+
+      Pick.start(activity);
+      Pick.select(fileinfo);
+      Pick.end();
+      assert.ok(ImageEditor.prototype.getCropRegion.called);
+    });
+
+    test('Should *NOT* call `getCropRegion` on `ImageEditor` if `nocrop` specified',
+      function() {
+        ImageEditor.prototype.getCropRegion.reset();
+        activity.source.data.nocrop = true;
+
+        Pick.start(activity);
+        Pick.select(fileinfo);
+        Pick.end();
+        assert.ok(ImageEditor.prototype.getCropRegion.notCalled);
+        delete activity.source.data.nocrop;
+      });
+
+    test('Should call `postResult`', function() {
+      activity.postResult.reset();
+
+      Pick.start(activity);
+      Pick.select(fileinfo);
+      Pick.end();
+      assert.ok(activity.postResult.called);
+    });
+  });
+
+});