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// Copyright 2015 The Bazel Authors. 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.devtools.build.lib.packages;
import static com.google.common.truth.Truth.assertThat;
import static org.junit.Assert.assertThrows;
import com.google.devtools.build.lib.vfs.PathFragment;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.junit.runners.JUnit4;
/**
* Unit tests for {@link RelativePackageNameResolver}.
*/
@RunWith(JUnit4.class)
public class RelativePackageNameResolverTest {
private RelativePackageNameResolver resolver;
@Test
public void testRelativePackagesBelowOneLevelWork() throws Exception {
createResolver("foo", true);
assertResolvesTo("bar", "foo/bar");
createResolver("foo/bar", true);
assertResolvesTo("pear", "foo/bar/pear");
}
@Test
public void testRelativePackagesBelowTwoLevelsWork() throws Exception {
createResolver("foo/bar", true);
assertResolvesTo("pear", "foo/bar/pear");
}
@Test
public void testRelativePackagesAboveOneLevelWork() throws Exception {
createResolver("foo", true);
assertResolvesTo("../bar", "bar");
}
@Test
public void testRelativePackagesAboveTwoLevelsWork() throws Exception {
createResolver("foo/bar", true);
assertResolvesTo("../../apple", "apple");
}
@Test
public void testSimpleAbsolutePackagesWork() throws Exception {
createResolver("foo", true);
assertResolvesTo("//foo", "foo");
assertResolvesTo("//foo/bar", "foo/bar");
}
@Test
public void testBuildNotRemoved() throws Exception {
createResolver("foo", false);
assertResolvesTo("bar/BUILD", "foo/bar/BUILD");
}
@Test
public void testBuildRemoved() throws Exception {
createResolver("foo", true);
assertResolvesTo("bar/BUILD", "foo/bar");
}
@Test
public void testEmptyOffset() throws Exception {
createResolver("", true);
assertResolvesTo("bar", "bar");
assertResolvesTo("bar/qux", "bar/qux");
}
@Test
public void testTooFarUpwardsOneLevelThrows() throws Exception {
createResolver("foo", true);
assertThrows(InvalidPackageNameException.class, () -> resolver.resolve("../../bar"));
}
@Test
public void testTooFarUpwardsTwoLevelsThrows() throws Exception {
createResolver("foo/bar", true);
assertResolvesTo("../../orange", "orange");
assertThrows(InvalidPackageNameException.class, () -> resolver.resolve("../../../orange"));
}
private void createResolver(String offset, boolean discardBuild) {
resolver = new RelativePackageNameResolver(PathFragment.create(offset), discardBuild);
}
private void assertResolvesTo(String relative, String expectedAbsolute) throws Exception {
String result = resolver.resolve(relative);
assertThat(result).isEqualTo(expectedAbsolute);
}
}