/*
* Copyright 2013-present Facebook, 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.
*/
package com.facebook.buck.rules;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.fail;
import com.facebook.buck.model.BuildTarget;
import com.facebook.buck.model.BuildTargetFactory;
import com.facebook.buck.util.HumanReadableException;
import java.nio.file.Path;
import java.nio.file.Paths;
import org.junit.Test;
public class DefaultBuildTargetSourcePathTest {
private BuildTarget target = BuildTargetFactory.newInstance("//example:target");
@Test
public void shouldThrowAnExceptionIfRuleDoesNotHaveAnOutput() {
BuildRuleResolver resolver =
new BuildRuleResolver(TargetGraph.EMPTY, new DefaultTargetNodeToBuildRuleTransformer());
SourcePathResolver pathResolver = new SourcePathResolver(new SourcePathRuleFinder(resolver));
FakeBuildRule rule = new FakeBuildRule(target, pathResolver);
rule.setOutputFile(null);
resolver.addToIndex(rule);
SourcePath path = new DefaultBuildTargetSourcePath(target);
try {
pathResolver.getRelativePath(path);
fail();
} catch (HumanReadableException e) {
assertEquals("No known output for: " + target.getFullyQualifiedName(), e.getMessage());
}
}
@Test
public void mustUseProjectFilesystemToResolvePathToFile() {
BuildRuleResolver resolver =
new BuildRuleResolver(TargetGraph.EMPTY, new DefaultTargetNodeToBuildRuleTransformer());
SourcePathResolver pathResolver = new SourcePathResolver(new SourcePathRuleFinder(resolver));
FakeBuildRule rule = new FakeBuildRule(target, pathResolver);
rule.setOutputFile("cheese");
resolver.addToIndex(rule);
SourcePath path = rule.getSourcePathToOutput();
Path resolved = pathResolver.getRelativePath(path);
assertEquals(Paths.get("cheese"), resolved);
}
@Test
public void shouldReturnTheBuildTarget() {
BuildTarget target = BuildTargetFactory.newInstance("//foo/bar:baz");
DefaultBuildTargetSourcePath path = new DefaultBuildTargetSourcePath(target);
assertEquals(target, path.getTarget());
}
}