| // Copyright 2023 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.remote.util; |
| |
| 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; |
| |
| @RunWith(JUnit4.class) |
| public final class ConcurrentPathTrieTest { |
| |
| @Test |
| public void testInvalidPaths() { |
| var trie = new ConcurrentPathTrie(); |
| |
| assertThrows(IllegalArgumentException.class, () -> trie.contains(PathFragment.create(""))); |
| assertThrows(IllegalArgumentException.class, () -> trie.contains(PathFragment.create("/foo"))); |
| |
| assertThrows(IllegalArgumentException.class, () -> trie.add(PathFragment.create(""))); |
| assertThrows(IllegalArgumentException.class, () -> trie.add(PathFragment.create("/foo"))); |
| |
| assertThrows(IllegalArgumentException.class, () -> trie.addPrefix(PathFragment.create(""))); |
| assertThrows(IllegalArgumentException.class, () -> trie.addPrefix(PathFragment.create("/foo"))); |
| } |
| |
| @Test |
| public void testEmpty() { |
| var trie = new ConcurrentPathTrie(); |
| |
| assertThat(trie.contains(PathFragment.create("foo"))).isFalse(); |
| assertThat(trie.contains(PathFragment.create("foo/bar"))).isFalse(); |
| } |
| |
| @Test |
| public void testSinglePath() { |
| var trie = new ConcurrentPathTrie(); |
| trie.add(PathFragment.create("foo/bar")); |
| |
| assertThat(trie.contains(PathFragment.create("foo"))).isFalse(); |
| assertThat(trie.contains(PathFragment.create("foo/bar"))).isTrue(); |
| assertThat(trie.contains(PathFragment.create("foo/baz"))).isFalse(); |
| assertThat(trie.contains(PathFragment.create("foo/bar/baz"))).isFalse(); |
| assertThat(trie.contains(PathFragment.create("bar"))).isFalse(); |
| } |
| |
| @Test |
| public void testNonOverlappingPath() { |
| var trie = new ConcurrentPathTrie(); |
| trie.add(PathFragment.create("foo/bar")); |
| trie.add(PathFragment.create("quux/xyzzy")); |
| |
| assertThat(trie.contains(PathFragment.create("foo"))).isFalse(); |
| assertThat(trie.contains(PathFragment.create("foo/bar"))).isTrue(); |
| assertThat(trie.contains(PathFragment.create("foo/baz"))).isFalse(); |
| assertThat(trie.contains(PathFragment.create("foo/bar/baz"))).isFalse(); |
| assertThat(trie.contains(PathFragment.create("quux"))).isFalse(); |
| assertThat(trie.contains(PathFragment.create("quux/xyzzy"))).isTrue(); |
| assertThat(trie.contains(PathFragment.create("quux/thud"))).isFalse(); |
| assertThat(trie.contains(PathFragment.create("quux/xyzzy/thud"))).isFalse(); |
| assertThat(trie.contains(PathFragment.create("bar"))).isFalse(); |
| } |
| |
| @Test |
| public void testOverlappingParentPath() { |
| var trie = new ConcurrentPathTrie(); |
| trie.add(PathFragment.create("foo")); |
| trie.add(PathFragment.create("foo/bar")); |
| |
| assertThat(trie.contains(PathFragment.create("foo"))).isTrue(); |
| assertThat(trie.contains(PathFragment.create("foo/bar"))).isTrue(); |
| assertThat(trie.contains(PathFragment.create("foo/baz"))).isFalse(); |
| assertThat(trie.contains(PathFragment.create("foo/baz/bar"))).isFalse(); |
| assertThat(trie.contains(PathFragment.create("bar"))).isFalse(); |
| } |
| |
| @Test |
| public void testOverlappingSiblingPath() { |
| var trie = new ConcurrentPathTrie(); |
| trie.add(PathFragment.create("foo/bar")); |
| trie.add(PathFragment.create("foo/baz")); |
| |
| assertThat(trie.contains(PathFragment.create("foo"))).isFalse(); |
| assertThat(trie.contains(PathFragment.create("foo/bar"))).isTrue(); |
| assertThat(trie.contains(PathFragment.create("foo/baz"))).isTrue(); |
| assertThat(trie.contains(PathFragment.create("foo/bar/baz"))).isFalse(); |
| assertThat(trie.contains(PathFragment.create("foo/baz/bar"))).isFalse(); |
| assertThat(trie.contains(PathFragment.create("foo/quux"))).isFalse(); |
| assertThat(trie.contains(PathFragment.create("bar"))).isFalse(); |
| } |
| |
| @Test |
| public void testSinglePrefix() { |
| var trie = new ConcurrentPathTrie(); |
| trie.addPrefix(PathFragment.create("foo/bar")); |
| |
| assertThat(trie.contains(PathFragment.create("foo"))).isFalse(); |
| assertThat(trie.contains(PathFragment.create("foo/bar"))).isTrue(); |
| assertThat(trie.contains(PathFragment.create("foo/baz"))).isFalse(); |
| assertThat(trie.contains(PathFragment.create("foo/bar/baz"))).isTrue(); |
| assertThat(trie.contains(PathFragment.create("foo/bar/baz/quux"))).isTrue(); |
| assertThat(trie.contains(PathFragment.create("bar"))).isFalse(); |
| } |
| |
| @Test |
| public void testNonOverlappingPrefix() { |
| var trie = new ConcurrentPathTrie(); |
| trie.addPrefix(PathFragment.create("foo/bar")); |
| trie.addPrefix(PathFragment.create("quux/xyzzy")); |
| |
| assertThat(trie.contains(PathFragment.create("foo"))).isFalse(); |
| assertThat(trie.contains(PathFragment.create("foo/bar"))).isTrue(); |
| assertThat(trie.contains(PathFragment.create("foo/baz"))).isFalse(); |
| assertThat(trie.contains(PathFragment.create("foo/bar/baz"))).isTrue(); |
| assertThat(trie.contains(PathFragment.create("quux"))).isFalse(); |
| assertThat(trie.contains(PathFragment.create("quux/xyzzy"))).isTrue(); |
| assertThat(trie.contains(PathFragment.create("quux/thud"))).isFalse(); |
| assertThat(trie.contains(PathFragment.create("quux/xyzzy/thud"))).isTrue(); |
| assertThat(trie.contains(PathFragment.create("bar"))).isFalse(); |
| } |
| |
| @Test |
| public void testOverlappingParentPrefix() { |
| var trie = new ConcurrentPathTrie(); |
| trie.addPrefix(PathFragment.create("foo/bar")); |
| trie.addPrefix(PathFragment.create("foo/baz")); |
| |
| assertThat(trie.contains(PathFragment.create("foo"))).isFalse(); |
| assertThat(trie.contains(PathFragment.create("foo/bar"))).isTrue(); |
| assertThat(trie.contains(PathFragment.create("foo/baz"))).isTrue(); |
| assertThat(trie.contains(PathFragment.create("foo/bar/baz"))).isTrue(); |
| assertThat(trie.contains(PathFragment.create("foo/baz/bar"))).isTrue(); |
| assertThat(trie.contains(PathFragment.create("foo/quux"))).isFalse(); |
| assertThat(trie.contains(PathFragment.create("bar"))).isFalse(); |
| } |
| |
| @Test |
| public void testOverlappingSiblingPrefix() { |
| var trie = new ConcurrentPathTrie(); |
| trie.addPrefix(PathFragment.create("foo")); |
| trie.addPrefix(PathFragment.create("foo/bar")); |
| |
| assertThat(trie.contains(PathFragment.create("foo"))).isTrue(); |
| assertThat(trie.contains(PathFragment.create("foo/bar"))).isTrue(); |
| assertThat(trie.contains(PathFragment.create("foo/baz"))).isTrue(); |
| assertThat(trie.contains(PathFragment.create("foo/bar/baz"))).isTrue(); |
| assertThat(trie.contains(PathFragment.create("bar"))).isFalse(); |
| } |
| |
| @Test |
| public void testOverlappingParentPrefixAndPath() { |
| var trie = new ConcurrentPathTrie(); |
| trie.addPrefix(PathFragment.create("foo")); |
| trie.add(PathFragment.create("foo/bar")); |
| |
| assertThat(trie.contains(PathFragment.create("foo"))).isTrue(); |
| assertThat(trie.contains(PathFragment.create("foo/bar"))).isTrue(); |
| assertThat(trie.contains(PathFragment.create("foo/baz"))).isTrue(); |
| assertThat(trie.contains(PathFragment.create("foo/bar/baz"))).isTrue(); |
| assertThat(trie.contains(PathFragment.create("bar"))).isFalse(); |
| } |
| |
| @Test |
| public void testOverlappingSiblingPrefixAndPath() { |
| var trie = new ConcurrentPathTrie(); |
| trie.add(PathFragment.create("foo")); |
| trie.addPrefix(PathFragment.create("foo")); |
| |
| assertThat(trie.contains(PathFragment.create("foo"))).isTrue(); |
| assertThat(trie.contains(PathFragment.create("foo/bar"))).isTrue(); |
| assertThat(trie.contains(PathFragment.create("foo/baz"))).isTrue(); |
| assertThat(trie.contains(PathFragment.create("foo/bar/baz"))).isTrue(); |
| assertThat(trie.contains(PathFragment.create("bar"))).isFalse(); |
| } |
| } |