add integration test for import merge wizard

src/js/app.js

@@ -187,7 +187,7 @@
         gui.Window.get().menu = mb;
       }
 
-      if (pskl.utils.UserAgent.isUnsupported()) {
+      if (!pskl.utils.Environment.isIntegrationTest() && pskl.utils.UserAgent.isUnsupported()) {
         $.publish(Events.DIALOG_SHOW, {
           dialogId : 'unsupported-browser'
         });

src/js/utils/Environment.js

@@ -19,6 +19,10 @@
         }
       }
       return isNodeWebkit;
+    },
+
+    isIntegrationTest : function () {
+      return new window.URL(window.location).searchParams.has('integration-test');
     }
   };
 

src/templates/dialogs/import.html

@@ -72,7 +72,7 @@
         <span>Replace your current sprite</span>
       </label>
       <label class="import-mode-option">
-        <input type="radio" name="import-mode" id="select-mode-import" value="merge"/>
+        <input type="radio" name="import-mode" id="select-mode-merge" value="merge"/>
         <span>Merge with your current sprite</span>
       </label>
     </div>

test/casperjs/integration/IntegrationSuite.js

@@ -3,6 +3,7 @@
   'settings/test-export-gif-simple.js',
   'settings/test-export-png.js',
   'settings/test-export-png-scale.js',
+  'settings/test-import-image.js',
   'settings/test-resize-complete.js',
   'settings/test-resize-content-complete.js',
   'settings/test-resize-default-size.js',

test/casperjs/integration/include.js

@@ -111,7 +111,7 @@ function replaceFunction(test, path, method) {
   // Check the path provided corresponds to an existing method, otherwise the
   // test probably needs to be updated.
   test.assertEquals(evalLine('typeof ' + path),'function',
-    'The prototype of GifExportController still contains downloadImageData_ as a function');
+    path + ' is still a function');
 
   // Replace the method in content.
   casper.evaluate('function () {' + path + ' = ' + method + '}');

test/casperjs/integration/settings/test-import-image.js

@@ -0,0 +1,164 @@
+/* globals casper, setPiskelFromGrid, isDrawerExpanded, getValue, isChecked,
+   evalLine, waitForEvent, replaceFunction, setPiskelFromImageSrc */
+
+casper.test.begin('Simple Image import test', 29, function(test) {
+  test.timeout = test.fail.bind(test, ['Test timed out']);
+
+  // Helper to retrieve the text content of the provided selector
+  // in the current wizard step.
+  var getTextContent = function (selector) {
+    selector = '.current-step ' + selector;
+    return evalLine('document.querySelector("' + selector +'").textContent');
+  };
+
+  // Helper to retrieve the value of a meta-information from the import
+  // preview displayed on each of the import steps
+  var getMetaValue = function (name) {
+    return getTextContent('.import-' + name +' .import-meta-value');
+  };
+
+  var checkImportPreview = function (test) {
+    casper.echo('Check the content of the import preview');
+    test.assertEquals(getMetaValue('name'), 'test-name', 'Imported image has the expected name');
+    test.assertEquals(getMetaValue('dimensions'), '2\u00D72', 'Imported image has the expected size');
+    test.assertEquals(getMetaValue('frames'), '1', 'Imported image has the expected frames');
+    test.assertEquals(getMetaValue('layers'), '1', 'Imported image has the expected layers');
+  };
+
+  function onTestStart() {
+    test.assertExists('#drawing-canvas-container canvas', 'Piskel ready, test starting');
+
+    test.assert(!isDrawerExpanded(), 'settings drawer is closed');
+
+    waitForEvent('PISKEL_RESET', onPiskelReset, test.timeout);
+
+    // 1x1 black pixel
+    var src = [
+      'data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcS',
+      'JAAAADUlEQVQYV2NgYGD4DwABBAEAcCBlCwAAAABJRU5ErkJggg=='
+    ].join('');
+    setPiskelFromImageSrc(src);
+  }
+
+  function onPiskelReset() {
+    // Check the expected piskel was correctly loaded.
+    test.assertEquals(evalLine('pskl.app.piskelController.getPiskel().getWidth()'), 1, 'Piskel width is 1 pixel');
+    test.assertEquals(evalLine('pskl.app.piskelController.getPiskel().getHeight()'), 1, 'Piskel height is 1 pixel');
+
+    // Open export panel.
+    test.assertDoesntExist('.settings-section-import', 'Check if import panel is closed');
+    casper.click('[data-setting="import"]');
+
+    casper.waitForSelector('.settings-section-import', onImportPanelReady, test.timeout, 10000);
+  }
+
+  function onImportPanelReady() {
+    test.assert(isDrawerExpanded(), 'settings drawer is expanded');
+    test.assertExists('.settings-section-import', 'Check if import panel is opened');
+
+    replaceFunction(test,
+      'pskl.utils.FileUtils.readImageFile',
+      function (file, callback) {
+        var image = new Image();
+        image.onload = callback.bind(null, image);
+        // Source for a simple base64 encoded PNG, 2x2, with 2 different colors and 2 transparent pixels.
+        image.src = [
+          'data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAYAAABytg0',
+          'kAAAAF0lEQVQYVwXBAQEAAACCIPw/uiAYi406Ig4EARK1RMAAAAAASUVORK5CYII='
+        ].join('');
+      }
+    );
+
+    casper.echo('Clicking on Browse Images button');
+    test.assertExists('.file-input-button', 'The import image button is available');
+
+    // We can't really control the file picker from the test so we directly fire the event
+    casper.evaluate(
+      'function () {\
+        $.publish(Events.DIALOG_SHOW, {\
+          dialogId : "import",\
+          initArgs : {\
+            rawFiles: [{type: "image", name: "test-name.png"}]\
+          }\
+        });\
+      }'
+    );
+
+    casper.echo('Wait for .import-image-container');
+    casper.waitForSelector('.current-step.import-image-container', onImageImportReady, test.timeout, 10000);
+  }
+
+  function onImageImportReady() {
+    casper.echo('Found import-image-container');
+
+    // Click on export again to close the settings drawer.
+    test.assertEquals(getTextContent('.import-next-button'), 'next',
+      'Next button found and has the expected text content');
+    casper.click('.current-step .import-next-button');
+    casper.waitForSelector('.current-step .import-mode', onSelectModeReady, test.timeout, 10000);
+  }
+
+  function onSelectModeReady() {
+    casper.echo('Select Mode step is displayed');
+    checkImportPreview(test);
+
+    test.assertEquals(evalLine('document.querySelector("#select-mode-replace").checked'), true,
+      'The default import mode is the REPLACE mode');
+    test.assertEquals(getTextContent('.import-next-button'), 'import',
+      'Next button found and has the expected text content (import)');
+
+    // Click on export again to close the settings drawer.
+    casper.echo('Click on merge mode and wait for the next-button text to update');
+    casper.waitForSelectorTextChange('.current-step .import-next-button', onModeSelected, test.timeout, 10000);
+    casper.click('#select-mode-merge');
+  }
+
+  function onModeSelected() {
+    casper.echo('New mode was selected, check that the text of the next-button now reads "next"');
+    test.assertEquals(getTextContent('.import-next-button'), 'next',
+      'Next button found and has the expected text content (next) ');
+
+    casper.echo('Go to next step (adjust size)');
+    casper.click('.current-step .import-next-button');
+    casper.waitForSelector('.current-step .import-resize-info', onAdjustSizeReady, test.timeout, 10000);
+  }
+
+  function onAdjustSizeReady() {
+    casper.echo('Adjust size step is displayed');
+    checkImportPreview(test);
+
+    casper.echo('Go to next step (insert location)');
+    casper.click('.current-step .import-next-button');
+    casper.waitForSelector('.current-step .insert-mode-container', onInsertLocationReady, test.timeout, 10000);
+  }
+
+  function onInsertLocationReady() {
+    casper.echo('Insert location step is displayed');
+    checkImportPreview(test);
+
+    casper.echo('Select the mode "insert in existing frames"');
+    casper.click('#insert-mode-insert');
+
+    casper.echo('Finalize the import');
+    casper.click('.import-next-button');
+    casper.waitForSelector('#dialog-container-wrapper:not(.show)', onPopupClosed, test.timeout, 10000);
+  }
+
+  function onPopupClosed() {
+    casper.echo('Import popup is closed, check the imported piskel content');
+    test.assertEquals(evalLine('pskl.app.piskelController.getPiskel().getWidth()'), 2, 'Piskel width is 2 pixels');
+    test.assertEquals(evalLine('pskl.app.piskelController.getPiskel().getHeight()'), 2, 'Piskel height is 2 pixels');
+    test.assertEquals(evalLine('pskl.app.piskelController.getLayers().length'), 2, 'Piskel has 2 layers');
+    test.assertEquals(evalLine('pskl.app.piskelController.getFrameCount()'), 1, 'Piskel has 1 frame');
+  }
+
+  casper
+    .start(casper.cli.get('baseUrl')+"/?debug&integration-test")
+    .then(function () {
+      casper.echo("URL loaded");
+      casper.waitForSelector('#drawing-canvas-container canvas', onTestStart, test.timeout, 10000);
+    })
+    .run(function () {
+      test.done();
+    });
+});