| /* |
| * Copyright 2012-present Facebook, Inc. |
| * |
| * 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.facebook.buck.util; |
| |
| import static org.junit.Assert.assertEquals; |
| import static org.junit.Assert.assertNull; |
| |
| import com.google.common.base.Charsets; |
| import com.google.common.collect.ImmutableList; |
| import com.google.common.io.Files; |
| |
| import org.junit.Rule; |
| import org.junit.Test; |
| import org.junit.rules.TemporaryFolder; |
| |
| import java.io.File; |
| import java.io.IOException; |
| import java.util.ArrayList; |
| import java.util.Arrays; |
| import java.util.List; |
| |
| public class MoreFilesTest { |
| |
| @Rule |
| public TemporaryFolder tmp = new TemporaryFolder(); |
| |
| @Test |
| public void testDeleteRecursively() throws IOException { |
| tmp.newFile(".dotfile"); |
| tmp.newFile("somefile"); |
| tmp.newFolder("foo"); |
| tmp.newFile("foo/bar"); |
| tmp.newFolder("foo/baz"); |
| tmp.newFile("foo/baz/biz"); |
| assertEquals("There should be files to delete.", 3, tmp.getRoot().listFiles().length); |
| MoreFiles.deleteRecursively(tmp.getRoot().toPath()); |
| assertNull(tmp.getRoot().listFiles()); |
| } |
| |
| @Test |
| public void testWriteLinesToFile() throws IOException { |
| File outputFile = tmp.newFile("output.txt"); |
| ImmutableList<String> lines = ImmutableList.of( |
| "The", |
| "quick brown fox", |
| "jumps over", |
| "the lazy dog."); |
| MoreFiles.writeLinesToFile(lines, outputFile); |
| |
| List<String> observedLines = Files.readLines(outputFile, Charsets.UTF_8); |
| assertEquals(lines, observedLines); |
| } |
| |
| private String testDataPath(String fileName) { |
| return "testdata/com/facebook/buck/util/" + fileName; |
| } |
| |
| @Test |
| public void testDiffFileContents() throws IOException { |
| List<String> diffLines; |
| String testPath = testDataPath("MoreFilesTest.txt"); |
| File testFile = new File(testPath); |
| |
| diffLines = MoreFiles.diffFileContents( |
| Arrays.asList("AAA", "BBB", "CCC"), |
| testFile); |
| assertEquals(diffLines, new ArrayList<String>()); |
| |
| diffLines = MoreFiles.diffFileContents(Arrays.asList("AAA", "BBB"), testFile); |
| assertEquals(diffLines, Arrays.asList( |
| "| CCC | |" |
| )); |
| |
| diffLines = MoreFiles.diffFileContents(Arrays.asList("AAA", "CCC"), testFile); |
| assertEquals(diffLines, Arrays.asList( |
| "| BBB | CCC |", |
| "| CCC | |" |
| )); |
| |
| diffLines = MoreFiles.diffFileContents(Arrays.asList("BBB", "CCC"), testFile); |
| assertEquals(diffLines, Arrays.asList( |
| "| AAA | BBB |", |
| "| BBB | CCC |", |
| "| CCC | |" |
| )); |
| |
| diffLines = MoreFiles.diffFileContents(Arrays.asList("AAA"), testFile); |
| assertEquals(diffLines, Arrays.asList( |
| "| BBB | |", |
| "| CCC | |" |
| )); |
| |
| diffLines = MoreFiles.diffFileContents(Arrays.asList("BBB"), testFile); |
| assertEquals(diffLines, Arrays.asList( |
| "| AAA | BBB |", |
| "| BBB | |", |
| "| CCC | |" |
| )); |
| |
| diffLines = MoreFiles.diffFileContents(Arrays.asList("CCC"), testFile); |
| assertEquals(diffLines, Arrays.asList( |
| "| AAA | CCC |", |
| "| BBB | |", |
| "| CCC | |" |
| )); |
| |
| diffLines = MoreFiles.diffFileContents(new ArrayList<String>(), testFile); |
| assertEquals(diffLines, Arrays.asList( |
| "| AAA | |", |
| "| BBB | |", |
| "| CCC | |" |
| )); |
| |
| diffLines = MoreFiles.diffFileContents(Arrays.asList("AAA", "BBB", "CCC", "xxx"), testFile); |
| assertEquals(diffLines, Arrays.asList( |
| "| | xxx |" |
| )); |
| |
| diffLines = MoreFiles.diffFileContents(Arrays.asList("AAA", "BBB", "xxx", "CCC"), testFile); |
| assertEquals(diffLines, Arrays.asList( |
| "| CCC | xxx |", |
| "| | CCC |" |
| )); |
| |
| diffLines = MoreFiles.diffFileContents(Arrays.asList("AAA", "xxx", "BBB", "CCC"), testFile); |
| assertEquals(diffLines, Arrays.asList( |
| "| BBB | xxx |", |
| "| CCC | BBB |", |
| "| | CCC |" |
| )); |
| |
| diffLines = MoreFiles.diffFileContents(Arrays.asList("xxx", "AAA", "BBB", "CCC"), testFile); |
| assertEquals(diffLines, Arrays.asList( |
| "| AAA | xxx |", |
| "| BBB | AAA |", |
| "| CCC | BBB |", |
| "| | CCC |" |
| )); |
| |
| diffLines = MoreFiles.diffFileContents(Arrays.asList("AAA", "BBB", "xxx"), testFile); |
| assertEquals(diffLines, Arrays.asList( |
| "| CCC | xxx |" |
| )); |
| |
| diffLines = MoreFiles.diffFileContents(Arrays.asList("AAA", "xxx", "CCC"), testFile); |
| assertEquals(diffLines, Arrays.asList( |
| "| BBB | xxx |" |
| )); |
| |
| diffLines = MoreFiles.diffFileContents(Arrays.asList("xxx", "BBB", "CCC"), testFile); |
| assertEquals(diffLines, Arrays.asList( |
| "| AAA | xxx |" |
| )); |
| |
| diffLines = MoreFiles.diffFileContents(Arrays.asList("AAA", "xxx", "yyy"), testFile); |
| assertEquals(diffLines, Arrays.asList( |
| "| BBB | xxx |", |
| "| CCC | yyy |" |
| )); |
| |
| diffLines = MoreFiles.diffFileContents(Arrays.asList("xxx", "BBB", "yyy"), testFile); |
| assertEquals(diffLines, Arrays.asList( |
| "| AAA | xxx |", |
| "| CCC | yyy |" |
| )); |
| |
| diffLines = MoreFiles.diffFileContents(Arrays.asList("xxx", "yyy", "CCC"), testFile); |
| assertEquals(diffLines, Arrays.asList( |
| "| AAA | xxx |", |
| "| BBB | yyy |" |
| )); |
| |
| diffLines = MoreFiles.diffFileContents(Arrays.asList("xxx", "yyy", "zzz"), testFile); |
| assertEquals(diffLines, Arrays.asList( |
| "| AAA | xxx |", |
| "| BBB | yyy |", |
| "| CCC | zzz |" |
| )); |
| } |
| } |