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// Copyright 2017 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.vfs;
import static com.google.common.truth.Truth.assertThat;
import static com.google.devtools.build.lib.testutil.MoreAsserts.assertThrows;
import com.google.common.testing.EqualsTester;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.junit.runners.JUnit4;
/** Tests the unix implementation of {@link Path}. */
@RunWith(JUnit4.class)
public class UnixPathTest extends PathAbstractTest {
@Test
public void testEqualsAndHashCodeUnix() {
new EqualsTester()
.addEqualityGroup(create("/something/else"))
.addEqualityGroup(create("/"), create("//////"))
.testEquals();
}
@Test
public void testRelativeToUnix() {
assertThat(create("/").relativeTo(create("/")).getPathString()).isEmpty();
assertThat(create("/foo").relativeTo(create("/foo")).getPathString()).isEmpty();
assertThat(create("/foo/bar/baz").relativeTo(create("/foo")).getPathString())
.isEqualTo("bar/baz");
assertThat(create("/foo/bar/baz").relativeTo(create("/foo/bar")).getPathString())
.isEqualTo("baz");
assertThat(create("/foo").relativeTo(create("/")).getPathString()).isEqualTo("foo");
assertThrows(
IllegalArgumentException.class, () -> create("/foo/bar/baz").relativeTo(create("foo")));
assertThrows(
IllegalArgumentException.class, () -> create("/foo").relativeTo(create("/foo/bar/baz")));
}
@Test
public void testGetRelativeUnix() {
assertThat(create("/a").getRelative("b").getPathString()).isEqualTo("/a/b");
assertThat(create("/a/b").getRelative("c/d").getPathString()).isEqualTo("/a/b/c/d");
assertThat(create("/c/d").getRelative("/a/b").getPathString()).isEqualTo("/a/b");
assertThat(create("/a").getRelative("").getPathString()).isEqualTo("/a");
assertThat(create("/").getRelative("").getPathString()).isEqualTo("/");
assertThat(create("/a/b").getRelative("../foo").getPathString()).isEqualTo("/a/foo");
// Make sure any fast path of Path#getRelative(PathFragment) works
assertThat(create("/a/b").getRelative(PathFragment.create("../foo")).getPathString())
.isEqualTo("/a/foo");
// Make sure any fast path of Path#getRelative(PathFragment) works
assertThat(create("/c/d").getRelative(PathFragment.create("/a/b")).getPathString())
.isEqualTo("/a/b");
// Test normalization
assertThat(create("/a").getRelative(".").getPathString()).isEqualTo("/a");
}
@Test
public void testEmptyPathToEmptyPathUnix() {
// compare string forms
assertThat(create("/").getPathString()).isEqualTo("/");
// compare fragment forms
assertThat(create("/")).isEqualTo(create("/"));
}
@Test
public void testRedundantSlashes() {
// compare string forms
assertThat(create("///").getPathString()).isEqualTo("/");
// compare fragment forms
assertThat(create("///")).isEqualTo(create("/"));
// compare string forms
assertThat(create("/foo///bar").getPathString()).isEqualTo("/foo/bar");
// compare fragment forms
assertThat(create("/foo///bar")).isEqualTo(create("/foo/bar"));
// compare string forms
assertThat(create("////foo//bar").getPathString()).isEqualTo("/foo/bar");
// compare fragment forms
assertThat(create("////foo//bar")).isEqualTo(create("/foo/bar"));
}
@Test
public void testSimpleNameToSimpleNameUnix() {
// compare string forms
assertThat(create("/foo").getPathString()).isEqualTo("/foo");
// compare fragment forms
assertThat(create("/foo")).isEqualTo(create("/foo"));
}
@Test
public void testSimplePathToSimplePathUnix() {
// compare string forms
assertThat(create("/foo/bar").getPathString()).isEqualTo("/foo/bar");
// compare fragment forms
assertThat(create("/foo/bar")).isEqualTo(create("/foo/bar"));
}
@Test
public void testGetParentDirectoryUnix() {
assertThat(create("/foo/bar/wiz").getParentDirectory()).isEqualTo(create("/foo/bar"));
assertThat(create("/foo/bar").getParentDirectory()).isEqualTo(create("/foo"));
assertThat(create("/foo").getParentDirectory()).isEqualTo(create("/"));
assertThat(create("/").getParentDirectory()).isNull();
}
@Test
public void testBasenameUnix() throws Exception {
assertThat(create("/foo/bar").getBaseName()).isEqualTo("bar");
assertThat(create("/foo/").getBaseName()).isEqualTo("foo");
assertThat(create("/foo").getBaseName()).isEqualTo("foo");
assertThat(create("/").getBaseName()).isEmpty();
}
@Test
public void testStartsWithUnix() {
Path foobar = create("/foo/bar");
// (path, prefix) => true
assertThat(foobar.startsWith(foobar)).isTrue();
assertThat(foobar.startsWith(create("/"))).isTrue();
assertThat(foobar.startsWith(create("/foo"))).isTrue();
assertThat(foobar.startsWith(create("/foo/"))).isTrue();
assertThat(foobar.startsWith(create("/foo/bar/"))).isTrue(); // Includes trailing slash.
// (prefix, path) => false
assertThat(create("/foo").startsWith(foobar)).isFalse();
assertThat(create("/").startsWith(foobar)).isFalse();
// (path, sibling) => false
assertThat(create("/foo/wiz").startsWith(foobar)).isFalse();
assertThat(foobar.startsWith(create("/foo/wiz"))).isFalse();
}
@Test
public void testNormalizeUnix() {
assertThat(create("/a/b")).isEqualTo(create("/a/b"));
assertThat(create("/a/b/")).isEqualTo(create("/a/b"));
assertThat(create("/a/./b")).isEqualTo(create("/a/b"));
assertThat(create("/a/../b")).isEqualTo(create("/b"));
assertThat(create("/..")).isEqualTo(create("/.."));
}
@Test
public void testParentOfRootIsRootUnix() {
assertThat(create("/..")).isEqualTo(create("/"));
assertThat(create("/../../../../../..")).isEqualTo(create("/"));
assertThat(create("/../../../foo")).isEqualTo(create("/foo"));
}
}
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