blob: 9e8f3b6cc2db4357d516968019ca5611b5ae3dba [file] [log] [blame]
// Copyright 2014 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.cmdline;
import static com.google.common.truth.Truth.assertThat;
import com.google.devtools.build.lib.vfs.PathFragment;
import java.io.ByteArrayInputStream;
import java.io.ByteArrayOutputStream;
import java.io.ObjectInputStream;
import java.io.ObjectOutputStream;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.junit.runners.JUnit4;
/**
* Unit tests for {@link PackageIdentifier}.
*/
@RunWith(JUnit4.class)
public class PackageIdentifierTest {
@Test
public void testParsing() throws Exception {
PackageIdentifier fooA = PackageIdentifier.parse("@foo//a");
assertThat(fooA.getRepository().strippedName()).isEqualTo("foo");
assertThat(fooA.getPackageFragment().getPathString()).isEqualTo("a");
assertThat(fooA.getRepository().getSourceRoot()).isEqualTo(
PathFragment.create("external/foo"));
PackageIdentifier absoluteA = PackageIdentifier.parse("//a");
assertThat(absoluteA.getRepository().strippedName()).isEmpty();
assertThat(absoluteA.getPackageFragment().getPathString()).isEqualTo("a");
PackageIdentifier plainA = PackageIdentifier.parse("a");
assertThat(plainA.getRepository().strippedName()).isEmpty();
assertThat(plainA.getPackageFragment().getPathString()).isEqualTo("a");
PackageIdentifier mainA = PackageIdentifier.parse("@//a");
assertThat(mainA.getRepository()).isEqualTo(RepositoryName.MAIN);
assertThat(mainA.getPackageFragment().getPathString()).isEqualTo("a");
assertThat(mainA.getRepository().getSourceRoot()).isEqualTo(PathFragment.EMPTY_FRAGMENT);
}
@Test
public void testToString() throws Exception {
PackageIdentifier local = PackageIdentifier.create("", PathFragment.create("bar/baz"));
assertThat(local.toString()).isEqualTo("bar/baz");
PackageIdentifier external = PackageIdentifier.create("@foo", PathFragment.create("bar/baz"));
assertThat(external.toString()).isEqualTo("@foo//bar/baz");
}
@Test
public void testCompareTo() throws Exception {
PackageIdentifier foo1 = PackageIdentifier.create("@foo", PathFragment.create("bar/baz"));
PackageIdentifier foo2 = PackageIdentifier.create("@foo", PathFragment.create("bar/baz"));
PackageIdentifier foo3 = PackageIdentifier.create("@foo", PathFragment.create("bar/bz"));
PackageIdentifier bar = PackageIdentifier.create("@bar", PathFragment.create("bar/baz"));
assertThat(foo1.compareTo(foo2)).isEqualTo(0);
assertThat(foo1.compareTo(foo3)).isLessThan(0);
assertThat(foo1.compareTo(bar)).isGreaterThan(0);
}
@Test
public void testInvalidPackageName() throws Exception {
// This shouldn't throw an exception, package names aren't validated.
PackageIdentifier.create("@foo", PathFragment.create("bar.baz"));
}
@Test
public void testSerialization() throws Exception {
PackageIdentifier inId = PackageIdentifier.create("@foo", PathFragment.create("bar/baz"));
ByteArrayOutputStream data = new ByteArrayOutputStream();
ObjectOutputStream out = new ObjectOutputStream(data);
out.writeObject(inId);
ObjectInputStream in = new ObjectInputStream(new ByteArrayInputStream(data.toByteArray()));
PackageIdentifier outId = (PackageIdentifier) in.readObject();
assertThat(outId).isEqualTo(inId);
}
@Test
public void testPackageFragmentEquality() throws Exception {
// Make sure package fragments are canonicalized.
PackageIdentifier p1 = PackageIdentifier.create("@whatever", PathFragment.create("foo/bar"));
PackageIdentifier p2 = PackageIdentifier.create("@whatever", PathFragment.create("foo/bar"));
assertThat(p1.getPackageFragment()).isSameAs(p2.getPackageFragment());
}
@Test
public void testRunfilesDir() throws Exception {
assertThat(PackageIdentifier.create("@foo", PathFragment.create("bar/baz")).getRunfilesPath())
.isEqualTo(PathFragment.create("../foo/bar/baz"));
assertThat(PackageIdentifier.create("@", PathFragment.create("bar/baz")).getRunfilesPath())
.isEqualTo(PathFragment.create("bar/baz"));
}
}