Provide local test execution by function reference, which is much

[dygraphs.git] / auto_tests / misc / fake-jstestdriver.js

// Copyright (c)  2011 Google, Inc.
//
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// of this software and associated documentation files (the "Software"), to deal
// in the Software without restriction, including without limitation the rights
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// copies of the Software, and to permit persons to whom the Software is
// furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in
// all copies or substantial portions of the Software.
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// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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// THE SOFTWARE.

/** 
 * @fileoverview Mocked-out jstestdriver api that lets me test locally.
 *
 * @author konigsberg@google.com (Robert Konigsberg)
 */
var jstestdriver = {
  jQuery : jQuery
};

var jstd = {
  include : function(name) {
    this.sucker("Not including " + name);
  },
  sucker : function(text) {
    console.log(text + ", sucker!");
  }
};

function TestCase(name) {
  jstd.sucker("Not really creating TestCase(" + name + ")");
  this.name = name;
  this.toString = function() {
    return "Fake test case " + name;
  };

  var testCase = function() { return this; };
  testCase.prototype.setUp = function() { };
  testCase.prototype.tearDown = function() { };
  /**
   * name can be a string, which is looked up in this object, or it can be a
   * function, in which case it's run.
   *
   * Examples:
   * var tc = new MyTestCase();
   * tc.runTest("testThis");
   * tc.runTest(tc.testThis);
   *
   * The duplication tc in runTest is irritating, but it plays well with
   * Chrome's console completion.
   */
  testCase.prototype.runTest = function(func) {
    try {
      this.setUp();

      var fn = null;
      var parameterType = typeof(func);
      if (typeof(func) == "function") {
        fn = func;
      } else if (typeof(func) == "string") {
        fn = this[func];
      } else {
        fail("can't supply " + typeof(func) + " to runTest");
      }

      fn.apply(this, []);
      this.tearDown();
      return true;
    } catch (e) {
      console.log(e);
      if (e.stack) {
        console.log(e.stack);
      }
      return false;
    }
  };
  testCase.prototype.runAllTests = function() {
    // what's better than for ... in for non-array objects?
    var tests = {};
    for (var name in this) {
      if (name.indexOf('test') == 0 && typeof(this[name]) == 'function') {
        console.log("Running " + name);
        var result = this.runTest(name);
        tests[name] = result;
      }
    }
    console.log(prettyPrintEntity_(tests));
  };
  return testCase;
};