1 files changed, 149 insertions, 0 deletions
diff --git a/qpid/java/maven/qpid-enforcer-plugin-rules/src/test/java/org/apache/qpid/maven/enforcer/rule/TestRequireFileContentsAreEquivalent.java b/qpid/java/maven/qpid-enforcer-plugin-rules/src/test/java/org/apache/qpid/maven/enforcer/rule/TestRequireFileContentsAreEquivalent.java
new file mode 100644
index 0000000000..7a5d214972
--- /dev/null
+++ b/qpid/java/maven/qpid-enforcer-plugin-rules/src/test/java/org/apache/qpid/maven/enforcer/rule/TestRequireFileContentsAreEquivalent.java
@@ -0,0 +1,149 @@
+/**
+  Licensed to the Apache Software Foundation (ASF) under one or more
+  contributor license agreements.  See the NOTICE file distributed with
+  this work for additional information regarding copyright ownership.
+  The ASF licenses this file to You 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 org.apache.qpid.maven.enforcer.rule;
+
+import java.io.File;
+import java.io.IOException;
+
+import org.apache.commons.io.FileUtils;
+import org.apache.maven.enforcer.rule.api.EnforcerRuleException;
+import org.apache.maven.plugins.enforcer.EnforcerTestUtils;
+import org.junit.After;
+import org.junit.Assert;
+import org.junit.Test;
+
+public class TestRequireFileContentsAreEquivalent
+{
+    final RequireFileContentsAreEquivalent rule = new RequireFileContentsAreEquivalent();
+
+    final static String TEST_TEXT = "Lorem ipsum dolor sit amet, consectetur adipiscing elit.";
+    final static String TEST_TEXT_WHITESPACE = "Lorem  ipsum dolor  sit amet,\n   consectetur adipiscing  \t elit.  ";
+    final static String ALTERNATE_TEST_TEXT_WHITESPACE = "   Lorem  \t   ip sum  dolor \n  sit amet,\n   consectetur adipiscing  \t elit.";
+    final static String DIFFERENT_TEST_TEXT = "Donec velit felis, semper dapibus mattis vitae";
+
+    @Test
+    public void testDifferentContentFiles() throws Exception
+    {
+        final File f1 = createTestFile(1, TEST_TEXT);
+        final File f2 = createTestFile(2, DIFFERENT_TEST_TEXT);
+
+        rule.files = new File[]
+        { f1, f2 };
+
+        try
+        {
+            rule.execute(EnforcerTestUtils.getHelper());
+            Assert.fail("Files with different content should have failed enforcer rule");
+        }
+        catch (final EnforcerRuleException ere)
+        {
+            // do nothing
+        }
+    }
+
+    @Test
+    public void testIdenticalContentFiles() throws Exception
+    {
+        final File f1 = createTestFile(1, TEST_TEXT);
+        final File f2 = createTestFile(2, TEST_TEXT);
+
+        rule.files = new File[]
+        { f1, f2 };
+
+        rule.execute(EnforcerTestUtils.getHelper());
+    }
+
+    @Test
+    public void testUsingOneFileTwice() throws Exception
+    {
+        final File f1 = createTestFile(1, TEST_TEXT);
+
+        rule.files = new File[]
+        { f1, f1 };
+
+        rule.execute(EnforcerTestUtils.getHelper());
+    }
+
+    @Test
+    public void testSimilarFiles() throws Exception
+    {
+        final File f1 = createTestFile(1, TEST_TEXT);
+        final File f2 = createTestFile(2, TEST_TEXT_WHITESPACE);
+
+        rule.files = new File[]
+        { f1, f2 };
+
+        rule.execute(EnforcerTestUtils.getHelper());
+    }
+
+    @Test
+    public void testMultipleFilesOneDifferent() throws Exception
+    {
+        final File f1 = createTestFile(1, TEST_TEXT);
+        final File f2 = createTestFile(2, TEST_TEXT_WHITESPACE);
+        final File f3 = createTestFile(3, ALTERNATE_TEST_TEXT_WHITESPACE);
+        final File f4 = createTestFile(4, DIFFERENT_TEST_TEXT);
+
+        rule.files = new File[]
+        { f1, f2, f3, f4 };
+
+        try
+        {
+            rule.execute(EnforcerTestUtils.getHelper());
+            Assert.fail("Files with different content should have failed enforcer rule");
+        }
+        catch (final EnforcerRuleException ere)
+        {
+            // do nothing
+        }
+    }
+
+    @Test
+    public void testMultipleFilesAllSimilar() throws Exception
+    {
+        final File f1 = createTestFile(1, TEST_TEXT);
+        final File f2 = createTestFile(2, TEST_TEXT);
+        final File f3 = createTestFile(3, TEST_TEXT_WHITESPACE);
+        final File f4 = createTestFile(4, ALTERNATE_TEST_TEXT_WHITESPACE);
+
+        rule.files = new File[]
+        { f1, f2, f3, f4 };
+
+        rule.execute(EnforcerTestUtils.getHelper());
+    }
+
+    @After
+    public void deleteTestFiles() throws Exception
+    {
+        for (File file : rule.files)
+        {
+            if (file.exists())
+            {
+                file.delete();
+            }
+        }
+    }
+
+    private File createTestFile(final int id, final String content) throws IOException
+    {
+        final File file = File.createTempFile(TestRequireFileContentsAreEquivalent.class.getName() + 
+                                                "-testfile" + id, "tmp");
+        file.deleteOnExit();
+        FileUtils.writeStringToFile(file, content);
+        return file;
+    }
+}