| // Copyright (C) 2014 The Android Open Source Project |
| // |
| // 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.googlesource.gerrit.plugins.serverconfig; |
| |
| import static org.junit.Assert.*; |
| |
| import org.eclipse.jgit.diff.RawText; |
| import org.junit.Test; |
| |
| import java.io.UnsupportedEncodingException; |
| |
| public class UnifiedDifferTest { |
| |
| @Test |
| public void testUnchange() throws Exception { |
| UnifiedDiffer classUnderTest = new UnifiedDiffer(); |
| String diff = classUnderTest.diff(t("key = old\n"), t("key = old\n")); |
| assertEquals("", diff); |
| } |
| |
| @Test |
| public void testChangeValue() throws Exception { |
| UnifiedDiffer classUnderTest = new UnifiedDiffer(); |
| String diff = classUnderTest.diff(t("key = old\n"), t("key = new\n")); |
| assertEquals("@@ -1 +1 @@\n" + "-key = old\n" + "+key = new\n", diff); |
| } |
| |
| @Test |
| public void testAddedValue() throws Exception { |
| UnifiedDiffer classUnderTest = new UnifiedDiffer(); |
| String diff = |
| classUnderTest.diff(t("key1 = old\n"), t("key1 = old\n" |
| + "key2 = new\n")); |
| assertEquals("@@ -1 +1,2 @@\n" + " key1 = old\n" + "+key2 = new\n", diff); |
| } |
| |
| @Test |
| public void testDeletedValue() throws Exception { |
| UnifiedDiffer classUnderTest = new UnifiedDiffer(); |
| String diff = |
| classUnderTest.diff(t("key1 = old1\n" + "key1 = old2\n"), |
| t("key1 = old1\n")); |
| assertEquals("@@ -1,2 +1 @@\n" + " key1 = old1\n" + "-key1 = old2\n", diff); |
| } |
| |
| private static RawText t(String text) throws UnsupportedEncodingException { |
| return new RawText(text.toString().getBytes(UnifiedDiffer.CHARSET_NAME)); |
| } |
| |
| |
| } |