Adds testing infrastructure to web_ui_browsertest to support testing HtmlDialogs.

chrome/test/data/webui/certificate_viewer_dialog_test.js

Index: chrome/test/data/webui/certificate_viewer_dialog_test.js
diff --git a/chrome/test/data/webui/certificate_viewer_dialog_test.js b/chrome/test/data/webui/certificate_viewer_dialog_test.js
new file mode 100644
index 0000000000000000000000000000000000000000..baad36140d3e26adecc67d6a560f0912af9d883e
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+++ b/chrome/test/data/webui/certificate_viewer_dialog_test.js
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+// Copyright (c) 2011 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+/**
+ * Test fixture for generated tests.
+ * @extends {testing.Test}
+ */
+function CertificateViewerUITest() {};
+
+CertificateViewerUITest.prototype = {
+  __proto__: testing.Test.prototype,
+
+  /**
+   * Define the C++ fixture class and include it.
+   * @type {?string}
+   * @override
+   */
+  typedefCppFixture: 'CertificateViewerUITest',
+
+  /** @inheritDoc */
+  isAsync: true,
+};
+
+// Include the bulk of c++ code.
+GEN('#include "chrome/browser/ui/webui/certificate_viewer_ui_browsertest.cc"');
+GEN('');
+
+/**
+ * Tests that the dialog opened to the correct URL.
+ */
+TEST_F('CertificateViewerUITest', 'testDialogURL',
+    function() {
+  runAssertions('testDialogURL', function() {
+    assertEquals(chrome.expectedUrl, window.location.href);
+    testDone();
+  });
+});
+
+/**
+ * Tests for the correct common name in the test certificate.
+ */
+TEST_F('CertificateViewerUITest', 'testCN',
+    function() {
+  runAssertions('testCN', function() {
+    assertEquals('www.google.com', $('issued-cn').textContent);
+    testDone();
+  });
+});
+
+/**
+ * Test the details pane of the certificate viewer. This verifies that a
+ * certificate in the chain can be selected to view the fields. And that fields
+ * can be selected to view their values.
+ */
+TEST_F('CertificateViewerUITest', 'testDetails',
+    function() {
+  var certHierarchy = $('hierarchy');
+  var certFields = $('cert-fields');
+  var certFieldVal = $('cert-field-value');
+
+  runAssertions('testDetails', function() {
+    // There must be at least one certificate in the hierarchy.
+    assertLT(0, certHierarchy.childNodes.length);
+    // No certificate fields should be currently loaded.
+    assertEquals(0, certFields.childNodes.length);
+
+    // Select the first certificate on the chain and ensure the details show up.
+    // Override the receive certificate function to catch when fields are
+    // loaded.
+    var getCertificateFields = cert_viewer.getCertificateFields;
+    cert_viewer.getCertificateFields = function(certFieldDetails) {
+      getCertificateFields(certFieldDetails);
+      cert_viewer.getCertificateFields = getCertificateFields;
+      runAssertions('testDetails', function() {
+        assertLT(0, certFields.childNodes.length);
+
+        // Test that a field can be selected to see the details for that field.
+        var item = getElementWithValue(certFields);
+        assertNotEquals(null, item);
+        certFields.selectedItem = item;
+        assertEquals(item.detail.payload.val, certFieldVal.textContent);
+
+        // Test that selecting an item without a value empties the field.
+        certFields.selectedItem = certFields.childNodes[0];
+        assertEquals('', certFieldVal.textContent);
+
+        testDone();
+      });
+    }
+    certHierarchy.selectedItem = certHierarchy.childNodes[0];
+  });
+});
+
+////////////////////////////////////////////////////////////////////////////////
+// Support functions
+
+/**
+ * Run a block of code failing the asynchronous test on any failed assertions.
+ * @param {string} testName The name of the test being run (for error messages).
+ * @param {function()} f A function to run which may throw an exception.
+ */
+function runAssertions(testName, f) {
+  var result = runTestFunction(testName, f, []);
+  if (!result[0])
+    testDone();
+}
+
+/**
+ * Find the first tree item (in the certificate fields tree) with a value.
+ * @param {!Element} tree Certificate fields subtree to search.
+ * @return {Element} The first found element with a value, or null if not found.
+ */
+function getElementWithValue(tree) {
+  for (var i = 0; i < tree.childNodes.length; i++) {
+    var element = tree.childNodes[i];
+    if (element.detail && element.detail.payload && element.detail.payload.val)
+      return element;
+    if (element = getElementWithValue(element))
+      return element;
+  }
+  return null;
+}