/*
* Copyright 2013 Google Inc. All Rights Reserved.
*
* 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.google.errorprone.suppress;
import static com.google.errorprone.BugPattern.Category.ONE_OFF;
import static com.google.errorprone.BugPattern.MaturityLevel.MATURE;
import static com.google.errorprone.BugPattern.SeverityLevel.ERROR;
import static org.hamcrest.Matchers.containsString;
import static org.hamcrest.core.Is.is;
import static org.junit.Assert.assertThat;
import com.google.errorprone.BugPattern;
import com.google.errorprone.BugPattern.Suppressibility;
import com.google.errorprone.DiagnosticTestHelper;
import com.google.errorprone.ErrorProneScanner;
import com.google.errorprone.ErrorProneTestCompiler;
import com.google.errorprone.VisitorState;
import com.google.errorprone.bugpatterns.BugChecker;
import com.google.errorprone.bugpatterns.BugChecker.ReturnTreeMatcher;
import com.google.errorprone.matchers.Description;
import com.sun.source.tree.ReturnTree;
import com.sun.tools.javac.main.Main.Result;
import org.junit.Before;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.junit.runners.JUnit4;
import java.util.List;
import javax.tools.JavaFileObject;
/**
* Test for unsuppressible checks.
*
* @author eaftan@google.com (Eddie Aftandilan)
*/
@RunWith(JUnit4.class)
public class UnsuppressibleTest {
@BugPattern(name = "MyChecker",
summary = "Test checker that is unsuppressible",
explanation = "Test checker that that is unsuppressible",
suppressibility = Suppressibility.UNSUPPRESSIBLE,
category = ONE_OFF, severity = ERROR, maturity = MATURE)
private static class MyChecker extends BugChecker implements ReturnTreeMatcher {
@Override
public Description matchReturn(ReturnTree tree, VisitorState state) {
return describeMatch(tree);
}
}
private ErrorProneTestCompiler compiler;
private DiagnosticTestHelper diagnosticHelper;
@Before
public void setUp() {
diagnosticHelper = new DiagnosticTestHelper();
compiler = new ErrorProneTestCompiler.Builder()
.listenToDiagnostics(diagnosticHelper.collector)
.report(new ErrorProneScanner(new MyChecker()))
.build();
}
@Test
public void testPositiveCase() throws Exception {
List<JavaFileObject> sources =
compiler.fileManager().sources(getClass(), "UnsuppressiblePositiveCases.java");
assertThat(compiler.compile(sources), is(Result.ERROR));
assertThat(diagnosticHelper.getDiagnostics().toString(), containsString("[MyChecker]"));
}
}