diff options
Diffstat (limited to 'tools/addon-sdk-1.7/packages/api-utils/lib/unit-test.js')
| -rw-r--r-- | tools/addon-sdk-1.7/packages/api-utils/lib/unit-test.js | 440 |
1 files changed, 440 insertions, 0 deletions
diff --git a/tools/addon-sdk-1.7/packages/api-utils/lib/unit-test.js b/tools/addon-sdk-1.7/packages/api-utils/lib/unit-test.js new file mode 100644 index 0000000..4018487 --- /dev/null +++ b/tools/addon-sdk-1.7/packages/api-utils/lib/unit-test.js @@ -0,0 +1,440 @@ +/* vim:st=2:sts=2:sw=2: + * This Source Code Form is subject to the terms of the Mozilla Public + * License, v. 2.0. If a copy of the MPL was not distributed with this + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ + +"use strict"; + +const memory = require('api-utils/memory'); +var timer = require("./timer"); + +exports.findAndRunTests = function findAndRunTests(options) { + var TestFinder = require("./unit-test-finder").TestFinder; + var finder = new TestFinder({ + filter: options.filter, + testInProcess: options.testInProcess, + testOutOfProcess: options.testOutOfProcess + }); + var runner = new TestRunner({fs: options.fs}); + finder.findTests( + function (tests) { + runner.startMany({tests: tests, + stopOnError: options.stopOnError, + onDone: options.onDone}); + }); +}; + +var TestRunner = exports.TestRunner = function TestRunner(options) { + if (options) { + this.fs = options.fs; + } + this.console = (options && "console" in options) ? options.console : console; + memory.track(this); + this.passed = 0; + this.failed = 0; + this.testRunSummary = []; + this.expectFailNesting = 0; +}; + +TestRunner.prototype = { + toString: function toString() "[object TestRunner]", + + DEFAULT_PAUSE_TIMEOUT: 10000, + PAUSE_DELAY: 500, + + _logTestFailed: function _logTestFailed(why) { + this.test.errors[why]++; + if (!this.testFailureLogged) { + this.console.error("TEST FAILED: " + this.test.name + " (" + why + ")"); + this.testFailureLogged = true; + } + }, + + pass: function pass(message) { + if(!this.expectFailure) { + this.console.info("pass:", message); + this.passed++; + this.test.passed++; + } + else { + this.expectFailure = false; + this.fail('Failure Expected: ' + message); + } + }, + + fail: function fail(message) { + if(!this.expectFailure) { + this._logTestFailed("failure"); + this.console.error("fail:", message); + this.console.trace(); + this.failed++; + this.test.failed++; + } + else { + this.expectFailure = false; + this.pass(message); + } + }, + + expectFail: function(callback) { + this.expectFailure = true; + callback(); + this.expectFailure = false; + }, + + exception: function exception(e) { + this._logTestFailed("exception"); + this.console.exception(e); + this.failed++; + this.test.failed++; + }, + + assertMatches: function assertMatches(string, regexp, message) { + if (regexp.test(string)) { + if (!message) + message = uneval(string) + " matches " + uneval(regexp); + this.pass(message); + } else { + var no = uneval(string) + " doesn't match " + uneval(regexp); + if (!message) + message = no; + else + message = message + " (" + no + ")"; + this.fail(message); + } + }, + + assertRaises: function assertRaises(func, predicate, message) { + try { + func(); + if (message) + this.fail(message + " (no exception thrown)"); + else + this.fail("function failed to throw exception"); + } catch (e) { + var errorMessage; + if (typeof(e) == "string") + errorMessage = e; + else + errorMessage = e.message; + if (typeof(predicate) == "string") + this.assertEqual(errorMessage, predicate, message); + else + this.assertMatches(errorMessage, predicate, message); + } + }, + + assert: function assert(a, message) { + if (!a) { + if (!message) + message = "assertion failed, value is " + a; + this.fail(message); + } else + this.pass(message || "assertion successful"); + }, + + assertNotEqual: function assertNotEqual(a, b, message) { + if (a != b) { + if (!message) + message = "a != b != " + uneval(a); + this.pass(message); + } else { + var equality = uneval(a) + " == " + uneval(b); + if (!message) + message = equality; + else + message += " (" + equality + ")"; + this.fail(message); + } + }, + + assertEqual: function assertEqual(a, b, message) { + if (a == b) { + if (!message) + message = "a == b == " + uneval(a); + this.pass(message); + } else { + var inequality = uneval(a) + " != " + uneval(b); + if (!message) + message = inequality; + else + message += " (" + inequality + ")"; + this.fail(message); + } + }, + + assertNotStrictEqual: function assertNotStrictEqual(a, b, message) { + if (a !== b) { + if (!message) + message = "a !== b !== " + uneval(a); + this.pass(message); + } else { + var equality = uneval(a) + " === " + uneval(b); + if (!message) + message = equality; + else + message += " (" + equality + ")"; + this.fail(message); + } + }, + + assertStrictEqual: function assertStrictEqual(a, b, message) { + if (a === b) { + if (!message) + message = "a === b === " + uneval(a); + this.pass(message); + } else { + var inequality = uneval(a) + " !== " + uneval(b); + if (!message) + message = inequality; + else + message += " (" + inequality + ")"; + this.fail(message); + } + }, + + assertFunction: function assertFunction(a, message) { + this.assertStrictEqual('function', typeof a, message); + }, + + assertUndefined: function(a, message) { + this.assertStrictEqual('undefined', typeof a, message); + }, + + assertNotUndefined: function(a, message) { + this.assertNotStrictEqual('undefined', typeof a, message); + }, + + assertNull: function(a, message) { + this.assertStrictEqual(null, a, message); + }, + + assertNotNull: function(a, message) { + this.assertNotStrictEqual(null, a, message); + }, + + assertObject: function(a, message) { + this.assertStrictEqual('[object Object]', Object.prototype.toString.apply(a), message); + }, + + assertString: function(a, message) { + this.assertStrictEqual('[object String]', Object.prototype.toString.apply(a), message); + }, + + assertArray: function(a, message) { + this.assertStrictEqual('[object Array]', Object.prototype.toString.apply(a), message); + }, + + assertNumber: function(a, message) { + this.assertStrictEqual('[object Number]', Object.prototype.toString.apply(a), message); + }, + + done: function done() { + if (!this.isDone) { + this.isDone = true; + if(this.test.teardown) { + this.test.teardown(this); + } + if (this.waitTimeout !== null) { + timer.clearTimeout(this.waitTimeout); + this.waitTimeout = null; + } + if (this.test.passed == 0 && this.test.failed == 0) { + this._logTestFailed("empty test"); + this.failed++; + this.test.failed++; + } + + this.testRunSummary.push({ + name: this.test.name, + passed: this.test.passed, + failed: this.test.failed, + errors: [error for (error in this.test.errors)].join(", ") + }); + + if (this.onDone !== null) { + var onDone = this.onDone; + var self = this; + this.onDone = null; + timer.setTimeout(function() { onDone(self); }, 0); + } + } + }, + + // Set of assertion functions to wait for an assertion to become true + // These functions take the same arguments as the TestRunner.assert* methods. + waitUntil: function waitUntil() { + return this._waitUntil(this.assert, arguments); + }, + + waitUntilNotEqual: function waitUntilNotEqual() { + return this._waitUntil(this.assertNotEqual, arguments); + }, + + waitUntilEqual: function waitUntilEqual() { + return this._waitUntil(this.assertEqual, arguments); + }, + + waitUntilMatches: function waitUntilMatches() { + return this._waitUntil(this.assertMatches, arguments); + }, + + /** + * Internal function that waits for an assertion to become true. + * @param {Function} assertionMethod + * Reference to a TestRunner assertion method like test.assert, + * test.assertEqual, ... + * @param {Array} args + * List of arguments to give to the previous assertion method. + * All functions in this list are going to be called to retrieve current + * assertion values. + */ + _waitUntil: function waitUntil(assertionMethod, args) { + let count = 0; + let maxCount = this.DEFAULT_PAUSE_TIMEOUT / this.PAUSE_DELAY; + + // We need to ensure that test is asynchronous + if (!this.waitTimeout) + this.waitUntilDone(this.DEFAULT_PAUSE_TIMEOUT); + + let callback = null; + let finished = false; + + let test = this; + + // capture a traceback before we go async. + let traceback = require("./traceback"); + let stack = traceback.get(); + stack.splice(-2, 2); + let currentWaitStack = traceback.format(stack); + let timeout = null; + + function loop(stopIt) { + timeout = null; + + // Build a mockup object to fake TestRunner API and intercept calls to + // pass and fail methods, in order to retrieve nice error messages + // and assertion result + let mock = { + pass: function (msg) { + test.pass(msg); + test.waitUntilCallback = null; + if (callback && !stopIt) + callback(); + finished = true; + }, + fail: function (msg) { + // If we are called on test timeout, we stop the loop + // and print which test keeps failing: + if (stopIt) { + test.console.error("test assertion never became true:\n", + msg + "\n", + currentWaitStack); + if (timeout) + timer.clearTimeout(timeout); + return; + } + timeout = timer.setTimeout(loop, test.PAUSE_DELAY); + } + }; + + // Automatically call args closures in order to build arguments for + // assertion function + let appliedArgs = []; + for (let i = 0, l = args.length; i < l; i++) { + let a = args[i]; + if (typeof a == "function") { + try { + a = a(); + } + catch(e) { + test.fail("Exception when calling asynchronous assertion: " + e); + finished = true; + return; + } + } + appliedArgs.push(a); + } + + // Finally call assertion function with current assertion values + assertionMethod.apply(mock, appliedArgs); + } + loop(); + this.waitUntilCallback = loop; + + // Return an object with `then` method, to offer a way to execute + // some code when the assertion passed or failed + return { + then: function (c) { + callback = c; + + // In case of immediate positive result, we need to execute callback + // immediately here: + if (finished) + callback(); + } + }; + }, + + waitUntilDone: function waitUntilDone(ms) { + if (ms === undefined) + ms = this.DEFAULT_PAUSE_TIMEOUT; + + var self = this; + + function tiredOfWaiting() { + self._logTestFailed("timed out"); + if (self.waitUntilCallback) { + self.waitUntilCallback(true); + self.waitUntilCallback = null; + } + self.failed++; + self.test.failed++; + self.done(); + } + + // We may already have registered a timeout callback + if (this.waitTimeout) + timer.clearTimeout(this.waitTimeout); + + this.waitTimeout = timer.setTimeout(tiredOfWaiting, ms); + }, + + startMany: function startMany(options) { + function runNextTest(self) { + var test = options.tests.shift(); + if (options.stopOnError && self.test && self.test.failed) { + self.console.error("aborted: test failed and --stop-on-error was specified"); + options.onDone(self); + } else if (test) { + self.start({test: test, onDone: runNextTest}); + } else { + options.onDone(self); + } + } + runNextTest(this); + }, + + start: function start(options) { + this.test = options.test; + this.test.passed = 0; + this.test.failed = 0; + this.test.errors = {}; + + this.isDone = false; + this.onDone = options.onDone; + this.waitTimeout = null; + this.testFailureLogged = false; + + try { + if(this.test.setup) { + this.test.setup(this); + } + this.test.testFunction(this); + } catch (e) { + this.exception(e); + } + if (this.waitTimeout === null) + this.done(); + } +}; |