001/*
002 * (C) Copyright 2015-2016 Nuxeo SA (http://nuxeo.com/) and others.
003 *
004 * Licensed under the Apache License, Version 2.0 (the "License");
005 * you may not use this file except in compliance with the License.
006 * You may obtain a copy of the License at
007 *
008 *     http://www.apache.org/licenses/LICENSE-2.0
009 *
010 * Unless required by applicable law or agreed to in writing, software
011 * distributed under the License is distributed on an "AS IS" BASIS,
012 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
013 * See the License for the specific language governing permissions and
014 * limitations under the License.
015 *
016 * Contributors:
017 *     Anahide Tchertchian
018 */
019package org.nuxeo.functionaltests;
020
021import static org.junit.Assert.fail;
022
023import java.util.List;
024
025import org.openqa.selenium.WebDriver;
026
027import net.jsourcerer.webdriver.jserrorcollector.JavaScriptError;
028
029/**
030 * Helper class to collect JavaScript errors on a page.
031 *
032 * @since 8.1
033 */
034public class JavaScriptErrorCollector {
035
036    protected final WebDriver driver;
037
038    public JavaScriptErrorCollector(WebDriver driver) {
039        super();
040        this.driver = driver;
041    }
042
043    /**
044     * Throws an {@link AssertionError} when JavaScript errors are detected on current page.
045     */
046    public void checkForErrors() {
047        if (driver != null) {
048            List<JavaScriptError> jsErrors = JavaScriptError.readErrors(driver);
049            if (jsErrors != null && !jsErrors.isEmpty()) {
050                StringBuilder msg = new StringBuilder();
051                int i = 0;
052                for (JavaScriptError jsError : jsErrors) {
053                    String error = jsError.getErrorMessage();
054                    // skip error which is actually a warning for FF 42
055                    if (error != null && error.startsWith("mutating the [[Prototype]] of an object")) {
056                        continue;
057                    }
058                    if (i != 0) {
059                        msg.append(", ");
060                    }
061                    i++;
062                    msg.append("\"").append(error).append("\"");
063                    msg.append(" at ").append(jsError.getSourceName());
064                    msg.append(" line ").append(jsError.getLineNumber());
065                }
066                if (i > 0) {
067                    msg.append("]");
068                    msg.insert(0, jsErrors.size() + " Javascript error(s) detected: " + "[");
069                    fail(msg.toString());
070                }
071            }
072        }
073
074    }
075
076}