Remove old cc-frame-viewer now that it is upstreamed into trace_viewer

tools/cc-frame-viewer/src/base/unittest.js

-// Copyright (c) 2012 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.
-
-'use strict';
-
-/**
- * @fileoverview A test harness loosely based on Python unittest, but that
- * installs global assert methods during the test for backward compatibility
- * with Closure tests.
- */
-base.requireStylesheet('base.unittest');
-base.exportTo('base.unittest', function() {
-
-  var NOCATCH_MODE = false;
-
-  // Uncomment the line below to make unit test failures throw exceptions.
-  NOCATCH_MODE = true;
-
-  function createTestCaseDiv(testName, opt_href, opt_alwaysShowErrorLink) {
-    var el = document.createElement('test-case');
-
-    var titleBlockEl = document.createElement('title');
-    titleBlockEl.style.display = 'inline';
-    el.appendChild(titleBlockEl);
-
-    var titleEl = document.createElement('span');
-    titleEl.style.marginRight = '20px';
-    titleBlockEl.appendChild(titleEl);
-
-    var errorLink = document.createElement('a');
-    errorLink.textContent = 'Run individually...';
-    if (opt_href)
-      errorLink.href = opt_href;
-    else
-      errorLink.href = '#' + testName;
-    errorLink.style.display = 'none';
-    titleBlockEl.appendChild(errorLink);
-
-    el.__defineSetter__('status', function(status) {
-      titleEl.textContent = testName + ': ' + status;
-      updateClassListGivenStatus(titleEl, status);
-      if (status == 'FAILED' || opt_alwaysShowErrorLink)
-        errorLink.style.display = '';
-      else
-        errorLink.style.display = 'none';
-    });
-
-    el.addError = function(test, e) {
-      var errorEl = createErrorDiv(test, e);
-      el.appendChild(errorEl);
-      return errorEl;
-    };
-
-    el.addHTMLOutput = function(opt_title, opt_element) {
-      var outputEl = createOutputDiv(opt_title, opt_element);
-      el.appendChild(outputEl);
-      return outputEl.contents;
-    };
-
-    el.status = 'READY';
-    return el;
-  }
-
-  function createErrorDiv(test, e) {
-    var el = document.createElement('test-case-error');
-    el.className = 'unittest-error';
-
-    var stackEl = document.createElement('test-case-stack');
-    if (typeof e == 'string') {
-      stackEl.textContent = e;
-    } else if (e.stack) {
-      var i = document.location.pathname.lastIndexOf('/');
-      var path = document.location.origin +
-          document.location.pathname.substring(0, i);
-      var pathEscaped = path.replace(/[-/\\^$*+?.()|[\]{}]/g, '\\$&');
-      var cleanStack = e.stack.replace(new RegExp(pathEscaped, 'g'), '.');
-      stackEl.textContent = cleanStack;
-    } else {
-      stackEl.textContent = e;
-    }
-    el.appendChild(stackEl);
-    return el;
-  }
-
-  function createOutputDiv(opt_title, opt_element) {
-    var el = document.createElement('test-case-output');
-    if (opt_title) {
-      var titleEl = document.createElement('div');
-      titleEl.textContent = opt_title;
-      el.appendChild(titleEl);
-    }
-    var contentEl = opt_element || document.createElement('div');
-    el.appendChild(contentEl);
-
-    el.__defineGetter__('contents', function() {
-      return contentEl;
-    });
-    return el;
-  }
-
-  function statusToClassName(status) {
-    if (status == 'PASSED')
-      return 'unittest-green';
-    else if (status == 'RUNNING' || status == 'READY')
-      return 'unittest-yellow';
-    else
-      return 'unittest-red';
-  }
-
-  function updateClassListGivenStatus(el, status) {
-    var newClass = statusToClassName(status);
-    if (newClass != 'unittest-green')
-      el.classList.remove('unittest-green');
-    if (newClass != 'unittest-yellow')
-      el.classList.remove('unittest-yellow');
-    if (newClass != 'unittest-red')
-      el.classList.remove('unittest-red');
-
-    el.classList.add(newClass);
-  }
-
-  function HTMLTestRunner(opt_title, opt_curHash) {
-    // This constructs a HTMLDivElement and then adds our own runner methods to
-    // it. This is usually done via ui.js' define system, but we dont want our
-    // test runner to be dependent on the UI lib. :)
-    var outputEl = document.createElement('unittest-test-runner');
-    outputEl.__proto__ = HTMLTestRunner.prototype;
-    this.decorate.call(outputEl, opt_title, opt_curHash);
-    return outputEl;
-  }
-
-  HTMLTestRunner.prototype = {
-    __proto__: HTMLDivElement.prototype,
-
-    decorate: function(opt_title, opt_curHash) {
-      this.running = false;
-
-      this.currentTest_ = undefined;
-      this.results = undefined;
-      if (opt_curHash) {
-        var trimmedHash = opt_curHash.substring(1);
-        this.filterFunc_ = function(testName) {
-          return testName.indexOf(trimmedHash) == 0;
-        };
-      } else
-        this.filterFunc_ = function(testName) { return true; };
-
-      this.statusEl_ = document.createElement('title');
-      this.appendChild(this.statusEl_);
-
-      this.resultsEl_ = document.createElement('div');
-      this.appendChild(this.resultsEl_);
-
-      this.title_ = opt_title || document.title;
-
-      this.updateStatus();
-    },
-
-    computeResultStats: function() {
-      var numTestsRun = 0;
-      var numTestsPassed = 0;
-      var numTestsWithErrors = 0;
-      if (this.results) {
-        for (var i = 0; i < this.results.length; i++) {
-          numTestsRun++;
-          if (this.results[i].errors.length)
-            numTestsWithErrors++;
-          else
-            numTestsPassed++;
-        }
-      }
-      return {
-        numTestsRun: numTestsRun,
-        numTestsPassed: numTestsPassed,
-        numTestsWithErrors: numTestsWithErrors
-      };
-    },
-
-    updateStatus: function() {
-      var stats = this.computeResultStats();
-      var status;
-      if (!this.results) {
-        status = 'READY';
-      } else if (this.running) {
-        status = 'RUNNING';
-      } else {
-        if (stats.numTestsRun && stats.numTestsWithErrors == 0)
-          status = 'PASSED';
-        else
-          status = 'FAILED';
-      }
-
-      updateClassListGivenStatus(this.statusEl_, status);
-      this.statusEl_.textContent = this.title_ + ' [' + status + ']';
-    },
-
-    get done() {
-      return this.results && this.running == false;
-    },
-
-    run: function(tests) {
-      this.results = [];
-      this.running = true;
-      this.updateStatus();
-      for (var i = 0; i < tests.length; i++) {
-        if (!this.filterFunc_(tests[i].testName))
-          continue;
-        tests[i].run(this);
-        this.updateStatus();
-      }
-      this.running = false;
-      this.updateStatus();
-    },
-
-    willRunTest: function(test) {
-      this.currentTest_ = test;
-      this.currentResults_ = {testName: test.testName,
-        errors: []};
-      this.results.push(this.currentResults_);
-
-      this.currentTestCaseEl_ = createTestCaseDiv(test.testName);
-      this.currentTestCaseEl_.status = 'RUNNING';
-      this.resultsEl_.appendChild(this.currentTestCaseEl_);
-    },
-
-    /**
-     * Adds some html content to the currently running test
-     * @param {String} opt_title The title for the output.
-     * @param {HTMLElement} opt_element The element to add. If not added, then.
-     * @return {HTMLElement} The element added, or if !opt_element, the element
-     * created.
-     */
-    addHTMLOutput: function(opt_title, opt_element) {
-      return this.currentTestCaseEl_.addHTMLOutput(opt_title, opt_element);
-    },
-
-    addError: function(e) {
-      this.currentResults_.errors.push(e);
-      return this.currentTestCaseEl_.addError(this.currentTest_, e);
-    },
-
-    didRunTest: function(test) {
-      if (!this.currentResults_.errors.length)
-        this.currentTestCaseEl_.status = 'PASSED';
-      else
-        this.currentTestCaseEl_.status = 'FAILED';
-
-      this.currentResults_ = undefined;
-      this.currentTest_ = undefined;
-    }
-  };
-
-  function TestError(opt_message) {
-    var that = new Error(opt_message);
-    Error.captureStackTrace(that, TestError);
-    that.__proto__ = TestError.prototype;
-    return that;
-  }
-
-  TestError.prototype = {
-    __proto__: Error.prototype
-  };
-
-  /*
-   * @constructor TestCase
-   */
-  function TestCase(testMethod, opt_testMethodName) {
-    if (!testMethod)
-      throw new Error('testMethod must be provided');
-    if (testMethod.name == '' && !opt_testMethodName)
-      throw new Error('testMethod must have a name, ' +
-                      'or opt_testMethodName must be provided.');
-
-    this.testMethod_ = testMethod;
-    this.testMethodName_ = opt_testMethodName || testMethod.name;
-    this.results_ = undefined;
-  };
-
-  function forAllAssertAndEnsureMethodsIn_(prototype, fn) {
-    for (var fieldName in prototype) {
-      if (fieldName.indexOf('assert') != 0 &&
-          fieldName.indexOf('ensure') != 0)
-        continue;
-      var fieldValue = prototype[fieldName];
-      if (typeof fieldValue != 'function')
-        continue;
-      fn(fieldName, fieldValue);
-    }
-  }
-
-  TestCase.prototype = {
-    __proto__: Object.prototype,
-
-    get testName() {
-      return this.testMethodName_;
-    },
-
-    bindGlobals_: function() {
-      forAllAssertAndEnsureMethodsIn_(TestCase.prototype,
-          function(fieldName, fieldValue) {
-            global[fieldName] = fieldValue.bind(this);
-          });
-    },
-
-    unbindGlobals_: function() {
-      forAllAssertAndEnsureMethodsIn_(TestCase.prototype,
-          function(fieldName, fieldValue) {
-            delete global[fieldName];
-          });
-    },
-
-    /**
-     * Adds some html content to the currently running test
-     * @param {String} opt_title The title for the output.
-     * @param {HTMLElement} opt_element The element to add. If not added, then.
-     * @return {HTMLElement} The element added, or if !opt_element, the element
-     * created.
-     */
-    addHTMLOutput: function(opt_title, opt_element) {
-      return this.results_.addHTMLOutput(opt_title, opt_element);
-    },
-
-    assertTrue: function(a, opt_message) {
-      if (a)
-        return;
-      var message = opt_message || 'Expected true, got ' + a;
-      throw new TestError(message);
-    },
-
-    assertFalse: function(a, opt_message) {
-      if (!a)
-        return;
-      var message = opt_message || 'Expected false, got ' + a;
-      throw new TestError(message);
-    },
-
-    assertUndefined: function(a, opt_message) {
-      if (a === undefined)
-        return;
-      var message = opt_message || 'Expected undefined, got ' + a;
-      throw new TestError(message);
-    },
-
-    assertNotUndefined: function(a, opt_message) {
-      if (a !== undefined)
-        return;
-      var message = opt_message || 'Expected not undefined, got ' + a;
-      throw new TestError(message);
-    },
-
-    assertNull: function(a, opt_message) {
-      if (a === null)
-        return;
-      var message = opt_message || 'Expected null, got ' + a;
-      throw new TestError(message);
-    },
-
-    assertNotNull: function(a, opt_message) {
-      if (a !== null)
-        return;
-      var message = opt_message || 'Expected non-null, got ' + a;
-      throw new TestError(message);
-    },
-
-    assertEquals: function(a, b, opt_message) {
-      if (a == b)
-        return;
-      var message = opt_message || 'Expected ' + a + ', got ' + b;
-      throw new TestError(message);
-    },
-
-    assertNotEquals: function(a, b, opt_message) {
-      if (a != b)
-        return;
-      var message = opt_message || 'Expected something not equal to ' + b;
-      throw new TestError(message);
-    },
-
-    assertArrayEquals: function(a, b, opt_message) {
-      if (a.length == b.length) {
-        var ok = true;
-        for (var i = 0; i < a.length; i++) {
-          ok &= a[i] === b[i];
-        }
-        if (ok)
-          return;
-      }
-
-      var message = opt_message || 'Expected array ' + a + ', got array ' + b;
-      throw new TestError(message);
-    },
-
-    assertArrayShallowEquals: function(a, b, opt_message) {
-      if (a.length == b.length) {
-        var ok = true;
-        for (var i = 0; i < a.length; i++) {
-          ok &= a[i] === b[i];
-        }
-        if (ok)
-          return;
-      }
-
-      var message = opt_message || 'Expected array ' + b + ', got array ' + a;
-      throw new TestError(message);
-    },
-
-    assertAlmostEquals: function(a, b, opt_message) {
-      if (Math.abs(a - b) < 0.00001)
-        return;
-      var message = opt_message || 'Expected almost ' + a + ', got ' + b;
-      throw new TestError(message);
-    },
-
-    assertThrows: function(fn, opt_message) {
-      try {
-        fn();
-      } catch (e) {
-        return;
-      }
-      var message = opt_message || 'Expected throw from ' + fn;
-      throw new TestError(message);
-    },
-
-    setUp: function() {
-    },
-
-    run: function(results) {
-      this.bindGlobals_();
-      try {
-        this.results_ = results;
-        results.willRunTest(this);
-
-        if (NOCATCH_MODE) {
-          this.setUp();
-          this.testMethod_();
-          this.tearDown();
-        } else {
-          // Set up.
-          try {
-            this.setUp();
-          } catch (e) {
-            results.addError(e);
-            return;
-          }
-
-          // Run.
-          try {
-            this.testMethod_();
-          } catch (e) {
-            results.addError(e);
-          }
-
-          // Tear down.
-          try {
-            this.tearDown();
-          } catch (e) {
-            if (typeof e == 'string')
-              e = new TestError(e);
-            results.addError(e);
-          }
-        }
-      } finally {
-        this.unbindGlobals_();
-        results.didRunTest(this);
-        this.results_ = undefined;
-      }
-    },
-
-    tearDown: function() {
-    }
-
-  };
-
-  /**
-   * Returns an array of TestCase objects correpsonding to the tests
-   * found in the given object. This considers any functions beginning with test
-   * as a potential test.
-   *
-   * @param {object} opt_objectToEnumerate The object to enumerate, or global if
-   * not specified.
-   * @param {RegExp} opt_filter Return only tests that match this regexp.
-   */
-  function discoverTests(opt_objectToEnumerate, opt_filter) {
-    var objectToEnumerate = opt_objectToEnumerate || global;
-
-    var tests = [];
-    for (var testMethodName in objectToEnumerate) {
-      if (testMethodName.search(/^test.+/) != 0)
-        continue;
-
-      if (opt_filter && testMethodName.search(opt_filter) == -1)
-        continue;
-
-      var testMethod = objectToEnumerate[testMethodName];
-      if (typeof testMethod != 'function')
-        continue;
-      var testCase = new TestCase(testMethod, testMethodName);
-      tests.push(testCase);
-    }
-    tests.sort(function(a, b) {
-      return a.testName < b.testName;
-    });
-    return tests;
-  }
-
-  /**
-   * Runs all unit tests.
-   */
-  function runAllTests(opt_objectToEnumerate) {
-    var runner;
-    function init() {
-      if (runner)
-        runner.parentElement.removeChild(runner);
-      runner = new HTMLTestRunner(document.title, document.location.hash);
-      // Stash the runner on global so that the global test runner
-      // can get to it.
-      global.G_testRunner = runner;
-    }
-
-    function append() {
-      document.body.appendChild(runner);
-    }
-
-    function run() {
-      var objectToEnumerate = opt_objectToEnumerate || global;
-      var tests = discoverTests(objectToEnumerate);
-      runner.run(tests);
-    }
-
-    global.addEventListener('hashchange', function() {
-      init();
-      append();
-      run();
-    });
-
-    init();
-    if (document.body)
-      append();
-    else
-      document.addEventListener('DOMContentLoaded', append);
-    global.addEventListener('load', run);
-  }
-
-  if (/_test.html$/.test(document.location.pathname))
-    runAllTests();
-
-  return {
-    HTMLTestRunner: HTMLTestRunner,
-    TestError: TestError,
-    TestCase: TestCase,
-    discoverTests: discoverTests,
-    runAllTests: runAllTests,
-    createErrorDiv_: createErrorDiv,
-    createTestCaseDiv_: createTestCaseDiv
-  };
-});