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// Copyright 2014 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.devtools.build.lib.cmdline;
import static com.google.common.truth.Truth.assertThat;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertSame;
import static org.junit.Assert.fail;
import com.google.devtools.build.lib.cmdline.PackageIdentifier.RepositoryName;
import com.google.devtools.build.lib.vfs.PathFragment;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.junit.runners.JUnit4;
import java.io.ByteArrayInputStream;
import java.io.ByteArrayOutputStream;
import java.io.ObjectInputStream;
import java.io.ObjectOutputStream;
/**
* 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");
PackageIdentifier absoluteA = PackageIdentifier.parse("//a");
assertThat(absoluteA.getRepository().strippedName()).isEqualTo("");
assertThat(fooA.getPackageFragment().getPathString()).isEqualTo("a");
PackageIdentifier plainA = PackageIdentifier.parse("a");
assertThat(plainA.getRepository().strippedName()).isEqualTo("");
assertThat(fooA.getPackageFragment().getPathString()).isEqualTo("a");
PackageIdentifier mainA = PackageIdentifier.parse("@//a");
assertThat(mainA.getRepository()).isEqualTo(PackageIdentifier.MAIN_REPOSITORY_NAME);
}
@Test
public void testValidateRepositoryName() throws Exception {
// OK:
assertEquals("@foo", RepositoryName.create("@foo").toString());
assertThat(RepositoryName.create("").toString()).isEmpty();
assertEquals("@foo/bar", RepositoryName.create("@foo/bar").toString());
assertEquals("@foo.bar", RepositoryName.create("@foo.bar").toString());
try {
RepositoryName.create("@abc/");
fail();
} catch (LabelSyntaxException expected) {
assertThat(expected.getMessage()).contains(
"workspace names cannot start nor end with '/'");
}
try {
RepositoryName.create("@/abc");
fail();
} catch (LabelSyntaxException expected) {
assertThat(expected.getMessage()).contains(
"workspace names cannot start nor end with '/'");
}
try {
RepositoryName.create("@a//////b");
fail();
} catch (LabelSyntaxException expected) {
assertThat(expected.getMessage()).contains(
"workspace names cannot contain multiple '/'s in a row");
}
try {
RepositoryName.create("@foo@");
fail();
} catch (LabelSyntaxException expected) {
assertThat(expected.getMessage()).contains(
"workspace names may contain only A-Z, a-z, 0-9, '-', '_', '.', and '/'");
}
try {
RepositoryName.create("x");
fail();
} catch (LabelSyntaxException expected) {
assertThat(expected.getMessage()).contains("workspace name must start with '@'");
}
}
@Test
public void testToString() throws Exception {
PackageIdentifier local = new PackageIdentifier("", new PathFragment("bar/baz"));
assertEquals("bar/baz", local.toString());
PackageIdentifier external = new PackageIdentifier("@foo", new PathFragment("bar/baz"));
assertEquals("@foo//bar/baz", external.toString());
}
@Test
public void testCompareTo() throws Exception {
PackageIdentifier foo1 = new PackageIdentifier("@foo", new PathFragment("bar/baz"));
PackageIdentifier foo2 = new PackageIdentifier("@foo", new PathFragment("bar/baz"));
PackageIdentifier foo3 = new PackageIdentifier("@foo", new PathFragment("bar/bz"));
PackageIdentifier bar = new PackageIdentifier("@bar", new PathFragment("bar/baz"));
assertEquals(0, foo1.compareTo(foo2));
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.
new PackageIdentifier("@foo", new PathFragment("bar.baz"));
}
@Test
public void testInvalidRepositoryName() throws Exception {
try {
new PackageIdentifier("foo", new PathFragment("bar/baz"));
fail("'foo' is not a legal repository name");
} catch (LabelSyntaxException expected) {
assertThat(expected.getMessage()).contains("workspace name must start with '@'");
}
}
@Test
public void testSerialization() throws Exception {
PackageIdentifier inId = new PackageIdentifier("@foo", new PathFragment("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();
assertEquals(inId, outId);
}
@Test
public void testPackageFragmentEquality() throws Exception {
// Make sure package fragments are canonicalized.
PackageIdentifier p1 = new PackageIdentifier("@whatever", new PathFragment("foo/bar"));
PackageIdentifier p2 = new PackageIdentifier("@whatever", new PathFragment("foo/bar"));
assertSame(p2.getPackageFragment(), p1.getPackageFragment());
}
}