/testing/selenium-core/scripts/selenium-executionloop.js
http://datanucleus-appengine.googlecode.com/ · JavaScript · 175 lines · 113 code · 21 blank · 41 comment · 19 complexity · ee14042b666ae5dfef57e39c4b1d9417 MD5 · raw file
- /*
- * Copyright 2004 ThoughtWorks, Inc
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
- function TestLoop(commandFactory) {
- this.commandFactory = commandFactory;
- }
- TestLoop.prototype = {
- start : function() {
- selenium.reset();
- LOG.debug("currentTest.start()");
- this.continueTest();
- },
- continueTest : function() {
- /**
- * Select the next command and continue the test.
- */
- LOG.debug("currentTest.continueTest() - acquire the next command");
- if (! this.aborted) {
- this.currentCommand = this.nextCommand();
- }
- if (! this.requiresCallBack) {
- this.continueTestAtCurrentCommand();
- } // otherwise, just finish and let the callback invoke continueTestAtCurrentCommand()
- },
- continueTestAtCurrentCommand : function() {
- LOG.debug("currentTest.continueTestAtCurrentCommand()");
- if (this.currentCommand) {
- // TODO: rename commandStarted to commandSelected, OR roll it into nextCommand
- this.commandStarted(this.currentCommand);
- this._resumeAfterDelay();
- } else {
- this._testComplete();
- }
- },
- _resumeAfterDelay : function() {
- /**
- * Pause, then execute the current command.
- */
- // Get the command delay. If a pauseInterval is set, use it once
- // and reset it. Otherwise, use the defined command-interval.
- var delay = this.pauseInterval || this.getCommandInterval();
- this.pauseInterval = undefined;
- if (this.currentCommand.isBreakpoint || delay < 0) {
- // Pause: enable the "next/continue" button
- this.pause();
- } else {
- window.setTimeout(fnBind(this.resume, this), delay);
- }
- },
- resume: function() {
- /**
- * Select the next command and continue the test.
- */
- LOG.debug("currentTest.resume() - actually execute");
- try {
- selenium.browserbot.runScheduledPollers();
- this._executeCurrentCommand();
- this.continueTestWhenConditionIsTrue();
- } catch (e) {
- if (!this._handleCommandError(e)) {
- this.testComplete();
- } else {
- this.continueTest();
- }
- }
- },
- _testComplete : function() {
- selenium.ensureNoUnhandledPopups();
- this.testComplete();
- },
- _executeCurrentCommand : function() {
- /**
- * Execute the current command.
- *
- * @return a function which will be used to determine when
- * execution can continue, or null if we can continue immediately
- */
- var command = this.currentCommand;
- LOG.info("Executing: |" + command.command + " | " + command.target + " | " + command.value + " |");
- var handler = this.commandFactory.getCommandHandler(command.command);
- if (handler == null) {
- throw new SeleniumError("Unknown command: '" + command.command + "'");
- }
- command.target = selenium.preprocessParameter(command.target);
- command.value = selenium.preprocessParameter(command.value);
- LOG.debug("Command found, going to execute " + command.command);
- this.result = handler.execute(selenium, command);
-
- this.waitForCondition = this.result.terminationCondition;
- },
- _handleCommandError : function(e) {
- if (!e.isSeleniumError) {
- LOG.exception(e);
- var msg = "Selenium failure. Please report to the Selenium Users forum at http://forums.openqa.org, with error details from the log window.";
- msg += " The error message is: " + extractExceptionMessage(e);
- return this.commandError(msg);
- } else {
- LOG.error(e.message);
- return this.commandError(e.message);
- }
- },
- continueTestWhenConditionIsTrue: function () {
- /**
- * Busy wait for waitForCondition() to become true, and then carry
- * on with test. Fail the current test if there's a timeout or an
- * exception.
- */
- //LOG.debug("currentTest.continueTestWhenConditionIsTrue()");
- selenium.browserbot.runScheduledPollers();
- try {
- if (this.waitForCondition == null) {
- LOG.debug("null condition; let's continueTest()");
- LOG.debug("Command complete");
- this.commandComplete(this.result);
- this.continueTest();
- } else if (this.waitForCondition()) {
- LOG.debug("condition satisfied; let's continueTest()");
- this.waitForCondition = null;
- LOG.debug("Command complete");
- this.commandComplete(this.result);
- this.continueTest();
- } else {
- //LOG.debug("waitForCondition was false; keep waiting!");
- window.setTimeout(fnBind(this.continueTestWhenConditionIsTrue, this), 10);
- }
- } catch (e) {
- this.result = {};
- this.result.failed = true;
- this.result.failureMessage = extractExceptionMessage(e);
- this.commandComplete(this.result);
- this.continueTest();
- }
- },
- pause : function() {},
- nextCommand : function() {},
- commandStarted : function() {},
- commandComplete : function() {},
- commandError : function() {},
- testComplete : function() {},
- getCommandInterval : function() {
- return 0;
- }
- }