libs/js/jquery-mobile-1.2.0/node_modules/grunt/node_modules/nodeunit/test/test-bettererrors.js

   1 /*
   2  *   Test utils.betterErrors. utils.betterErrors should provide sensible error messages even when the error does not
   3  *   contain expected, actual or operator.
   4  */
   5 var assert = require("../lib/assert");
   6 var should = require("should");
   7 var types = require("../lib/types");
   8 var util = require('util');
   9 var utils = require("../lib/utils");
  10
  11 function betterErrorStringFromError(error) {
  12     var assertion = types.assertion({error: error});
  13     var better = utils.betterErrors(assertion);
  14     return better.error.stack.toString();
  15 }
  16
  17 function performBasicChecks(betterErrorString) {
  18     betterErrorString.should.include("AssertionError");
  19     betterErrorString.should.include("test-bettererrors");
  20     betterErrorString.should.not.include("undefined");
  21 }
  22
  23 /**
  24  * Control test. Provide an AssertionError that contains actual, expected operator values.
  25  * @param test the test object from nodeunit
  26  */
  27 exports.testEqual = function (test) {
  28     try {
  29         assert.equal(true, false);
  30     } catch (error) {
  31         var betterErrorString = betterErrorStringFromError(error);
  32         performBasicChecks(betterErrorString);
  33         betterErrorString.should.include("true");
  34         betterErrorString.should.include("false");
  35         betterErrorString.should.include("==");
  36         test.done();
  37     }
  38 };
  39
  40 /**
  41  * Test an AssertionError that does not contain actual, expected or operator values.
  42  * @param test the test object from nodeunit
  43  */
  44 exports.testAssertThrows = function (test) {
  45     try {
  46         assert.throws(function () {
  47         });
  48     } catch (error) {
  49         var betterErrorString = betterErrorStringFromError(error);
  50         performBasicChecks(betterErrorString);
  51         test.done();
  52     }
  53 };
  54
  55 /**
  56  * Test with an error that is not an AssertionError.
  57  * @param test the test object from nodeunit
  58  */
  59 exports.testNonAssertionError = function (test) {
  60     try {
  61         throw new Error("test error");
  62     } catch (error) {
  63         var betterErrorString = betterErrorStringFromError(error);
  64         betterErrorString.should.not.include("AssertionError");
  65         betterErrorString.should.include("Error");
  66         betterErrorString.should.include("test error");
  67         betterErrorString.should.include("test-bettererrors");
  68         betterErrorString.should.not.include("undefined");
  69         test.done();
  70     }
  71 };