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JacocoCoverageVerification.java
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JacocoCoverageVerification.java
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/*
* Copyright 2016 the original author or authors.
*
* 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 org.gradle.testing.jacoco.tasks;
import org.gradle.api.Action;
import org.gradle.api.GradleException;
import org.gradle.api.tasks.CacheableTask;
import org.gradle.api.tasks.Nested;
import org.gradle.api.tasks.OutputFile;
import org.gradle.api.tasks.TaskAction;
import org.gradle.internal.jacoco.AntJacocoCheck;
import org.gradle.internal.jacoco.JacocoCheckResult;
import org.gradle.internal.jacoco.rules.JacocoViolationRulesContainerImpl;
import org.gradle.internal.reflect.Instantiator;
import org.gradle.testing.jacoco.tasks.rules.JacocoViolationRulesContainer;
import java.io.File;
import java.io.IOException;
/**
* Task for verifying code coverage metrics. Fails the task if violations are detected based on specified rules.
* <p>
* Requires JaCoCo version >= 0.6.3.
*
* @since 3.4
*/
@CacheableTask
public abstract class JacocoCoverageVerification extends JacocoReportBase {
private final JacocoViolationRulesContainer violationRules;
public JacocoCoverageVerification() {
super();
Instantiator instantiator = getInstantiator();
violationRules = instantiator.newInstance(JacocoViolationRulesContainerImpl.class, instantiator);
}
/**
* Returns the violation rules set for this task.
*
* @return Violation rules container
*/
@Nested
public JacocoViolationRulesContainer getViolationRules() {
return violationRules;
}
/**
* For internal use only. This property exists, because only tasks with outputs can be up-to-date and cached.
*/
@OutputFile
protected File getDummyOutputFile() {
return new File(getTemporaryDir(), "success.txt");
}
private final String projectName = getProject().getName();
/**
* Configures the violation rules for this task.
*/
public JacocoViolationRulesContainer violationRules(Action<? super JacocoViolationRulesContainer> configureAction) {
configureAction.execute(violationRules);
return violationRules;
}
@TaskAction
public void check() throws IOException {
JacocoCheckResult checkResult = new AntJacocoCheck(getAntBuilder()).execute(
getJacocoClasspath(),
projectName,
getAllClassDirs().filter(File::exists),
getAllSourceDirs().filter(File::exists),
getExecutionData().filter(File::exists),
getViolationRules()
);
if (!checkResult.isSuccess()) {
throw new GradleException(checkResult.getFailureMessage());
} else {
getDummyOutputFile().createNewFile();
}
}
}