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ExpectedPatterns.java
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ExpectedPatterns.java
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/*
* Copyright 2000-2015 JetBrains s.r.o.
*
* 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.
*/
package com.intellij.junit4;
import com.intellij.rt.execution.junit.ComparisonFailureData;
import com.intellij.rt.execution.testFrameworks.AbstractExpectedPatterns;
import java.util.ArrayList;
import java.util.List;
public class ExpectedPatterns extends AbstractExpectedPatterns {
private static final List PATTERNS = new ArrayList();
private static final String[] PATTERN_STRINGS = new String[]{
"\nexpected: is \"(.*)\"\n\\s*got: \"(.*)\"\n",
"\nexpected: is \"(.*)\"\n\\s*but: was \"(.*)\"",
"\nexpected: (.*)\n\\s*got: (.*)",
"expected same:<(.*)> was not:<(.*)>",
"\nexpected: \"(.*)\"\n\\s*but: was \"(.*)\"",
"expected: (.*)\n\\s*but: was (.*)",
"expected: (.*)\\s*but was: (.*)",
"expecting:\\s*<(.*)> to be equal to:\\s*<(.*)>\\s*but was not"
};
private static final String MESSAGE_LENGTH_FOR_PATTERN_MATCHING = "idea.junit.message.length.threshold";
private static final String JUNIT_FRAMEWORK_COMPARISON_NAME = "junit.framework.ComparisonFailure";
private static final String ORG_JUNIT_COMPARISON_NAME = "org.junit.ComparisonFailure";
static {
registerPatterns(PATTERN_STRINGS, PATTERNS);
}
public static ComparisonFailureData createExceptionNotification(String message) {
return createExceptionNotification(message, PATTERNS);
}
public static ComparisonFailureData createExceptionNotification(Throwable assertion) {
if (isComparisonFailure(assertion)) {
return ComparisonFailureData.create(assertion);
}
try {
final Throwable cause = assertion.getCause();
if (isComparisonFailure(cause)) {
return ComparisonFailureData.create(cause);
}
}
catch (Throwable ignore) {
}
final String message = assertion.getMessage();
if (message != null && acceptedByThreshold(message.length())) {
try {
return createExceptionNotification(message);
}
catch (Throwable ignored) {}
}
return null;
}
private static boolean isComparisonFailure(Throwable throwable) {
if (throwable == null) return false;
return isComparisonFailure(throwable.getClass());
}
private static boolean isComparisonFailure(Class aClass) {
if (aClass == null) return false;
final String throwableClassName = aClass.getName();
if (throwableClassName.equals(JUNIT_FRAMEWORK_COMPARISON_NAME) || throwableClassName.equals(ORG_JUNIT_COMPARISON_NAME)) return true;
return isComparisonFailure(aClass.getSuperclass());
}
private static boolean acceptedByThreshold(int messageLength) {
int threshold = 10000;
try {
final String property = System.getProperty(MESSAGE_LENGTH_FOR_PATTERN_MATCHING);
if (property != null) {
try {
threshold = Integer.parseInt(property);
}
catch (NumberFormatException ignore) {}
}
}
catch (SecurityException ignored) {}
return messageLength < threshold;
}
}