| 1 | /* |
| 2 | * Copyright 2006-2007 the original author or authors. |
| 3 | * |
| 4 | * Licensed under the Apache License, Version 2.0 (the "License"); |
| 5 | * you may not use this file except in compliance with the License. |
| 6 | * You may obtain a copy of the License at |
| 7 | * |
| 8 | * http://www.apache.org/licenses/LICENSE-2.0 |
| 9 | * |
| 10 | * Unless required by applicable law or agreed to in writing, software |
| 11 | * distributed under the License is distributed on an "AS IS" BASIS, |
| 12 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| 13 | * See the License for the specific language governing permissions and |
| 14 | * limitations under the License. |
| 15 | */ |
| 16 | |
| 17 | package org.springframework.batch.test; |
| 18 | |
| 19 | import java.io.BufferedReader; |
| 20 | import java.io.File; |
| 21 | import java.io.FileReader; |
| 22 | |
| 23 | import junit.framework.Assert; |
| 24 | |
| 25 | import org.springframework.core.io.Resource; |
| 26 | |
| 27 | /** |
| 28 | * This class can be used to assert that two files are the same. |
| 29 | * |
| 30 | * @author Dan Garrette |
| 31 | * @since 2.0 |
| 32 | */ |
| 33 | public abstract class AssertFile { |
| 34 | |
| 35 | public static void assertFileEquals(File expected, File actual) throws Exception { |
| 36 | BufferedReader expectedReader = new BufferedReader(new FileReader(expected)); |
| 37 | BufferedReader actualReader = new BufferedReader(new FileReader(actual)); |
| 38 | try { |
| 39 | int lineNum = 1; |
| 40 | for (String expectedLine = null; (expectedLine = expectedReader.readLine()) != null; lineNum++) { |
| 41 | String actualLine = actualReader.readLine(); |
| 42 | Assert.assertEquals("Line number " + lineNum + " does not match.", expectedLine, actualLine); |
| 43 | } |
| 44 | |
| 45 | String actualLine = actualReader.readLine(); |
| 46 | Assert.assertEquals("More lines than expected. There should not be a line number " + lineNum + ".", null, |
| 47 | actualLine); |
| 48 | } |
| 49 | finally { |
| 50 | expectedReader.close(); |
| 51 | actualReader.close(); |
| 52 | } |
| 53 | } |
| 54 | |
| 55 | public static void assertFileEquals(Resource expected, Resource actual) throws Exception { |
| 56 | AssertFile.assertFileEquals(expected.getFile(), actual.getFile()); |
| 57 | } |
| 58 | |
| 59 | public static void assertLineCount(int expectedLineCount, File file) throws Exception { |
| 60 | BufferedReader expectedReader = new BufferedReader(new FileReader(file)); |
| 61 | try { |
| 62 | int lineCount = 0; |
| 63 | while (expectedReader.readLine() != null) { |
| 64 | lineCount++; |
| 65 | } |
| 66 | Assert.assertEquals(expectedLineCount, lineCount); |
| 67 | } |
| 68 | finally { |
| 69 | expectedReader.close(); |
| 70 | } |
| 71 | } |
| 72 | |
| 73 | public static void assertLineCount(int expectedLineCount, Resource resource) throws Exception { |
| 74 | AssertFile.assertLineCount(expectedLineCount, resource.getFile()); |
| 75 | } |
| 76 | } |