| // Copyright 2021 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.testing.common; |
| |
| import static com.google.common.truth.Truth.assertThat; |
| import static com.google.devtools.build.lib.testing.common.DirectoryListingHelper.directory; |
| import static com.google.devtools.build.lib.testing.common.DirectoryListingHelper.file; |
| import static com.google.devtools.build.lib.testing.common.DirectoryListingHelper.leafDirectoryEntries; |
| import static org.junit.Assert.assertThrows; |
| |
| import com.google.devtools.build.lib.testutil.Scratch; |
| import com.google.devtools.build.lib.vfs.Path; |
| import java.io.FileNotFoundException; |
| import org.junit.Test; |
| import org.junit.runner.RunWith; |
| import org.junit.runners.JUnit4; |
| |
| /** Unit tests for {@link com.google.devtools.build.lib.testing.common.DirectoryListingHelper}. */ |
| @RunWith(JUnit4.class) |
| public final class DirectoryListingHelperTest { |
| |
| private final Scratch scratch = new Scratch(); |
| private final Path root = scratch.getFileSystem().getPath("/"); |
| |
| @Test |
| public void leafDirectoryEntries_emptyDirectory_returnsEmptyList() throws Exception { |
| assertThat(leafDirectoryEntries(root)).isEmpty(); |
| } |
| |
| @Test |
| public void leafDirectoryEntries_returnsFile() throws Exception { |
| scratch.file("/file"); |
| assertThat(leafDirectoryEntries(root)).containsExactly(file("file")); |
| } |
| |
| @Test |
| public void leafDirectoryEntries_fileInSubfolders_returnsFileOnly() throws Exception { |
| scratch.file("/dir1/dir2/file"); |
| assertThat(leafDirectoryEntries(root)).containsExactly(file("dir1/dir2/file")); |
| } |
| |
| @Test |
| public void leafDirectoryEntries_returnsEmptyDirectory() throws Exception { |
| scratch.dir("/dir"); |
| assertThat(leafDirectoryEntries(root)).containsExactly(directory("dir")); |
| } |
| |
| @Test |
| public void leafDirectoryEntries_mixedEmptyDirectoriesAndFiles_returnsAllEntries() |
| throws Exception { |
| scratch.dir("/dir/empty1"); |
| scratch.dir("/dir/subdir/empty2"); |
| scratch.file("/dir2/file3"); |
| scratch.file("/dir2/file4"); |
| |
| assertThat(leafDirectoryEntries(root)) |
| .containsExactly( |
| directory("dir/empty1"), |
| directory("dir/subdir/empty2"), |
| file("dir2/file3"), |
| file("dir2/file4")); |
| } |
| |
| @Test |
| public void leafDirectoryEntries_returnsEntriesUnderProvidedPathOnly() throws Exception { |
| scratch.file("/dir/file1"); |
| scratch.file("/dir2/file2"); |
| Path dir = scratch.dir("/dir"); |
| |
| assertThat(leafDirectoryEntries(dir)).containsExactly(file("file1")); |
| } |
| |
| @Test |
| public void leafDirectoryEntries_missingDirectory_fails() { |
| Path nonexistent = scratch.getFileSystem().getPath("/nonexistent"); |
| assertThrows(FileNotFoundException.class, () -> leafDirectoryEntries(nonexistent)); |
| } |
| } |