Added more unit tests for the TransactionEvents

git-svn-id: https://svn.apache.org/repos/asf/maven/repository-manager/trunk@412760 13f79535-47bb-0310-9956-ffa450edef68

maven-repository-converter/src/test/java/org/apache/maven/repository/converter/transaction/CopyFileEventTest.java

@@ -0,0 +1,138 @@
+package org.apache.maven.repository.converter.transaction;
+
+/*
+ * Copyright 2005-2006 The Apache Software Foundation.
+ *
+ * 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.
+ */
+
+import org.codehaus.plexus.PlexusTestCase;
+import org.codehaus.plexus.util.FileUtils;
+
+import java.io.File;
+
+/**
+ * @author Edwin Punzalan
+ */
+public class CopyFileEventTest
+    extends PlexusTestCase
+{
+    private File testDir = new File( PlexusTestCase.getBasedir(), "target/transaction-tests/copy-file" );
+
+    private File testDest = new File( testDir, "test-file.txt" );
+
+    private File testSource = new File( PlexusTestCase.getBasedir(), "target/transaction-tests/test-file.txt" );
+
+    public void setUp()
+        throws Exception
+    {
+        super.setUp();
+
+        testSource.getParentFile().mkdirs();
+
+        testSource.createNewFile();
+
+        FileUtils.fileWrite( testSource.getAbsolutePath(), "source contents" );
+    }
+
+    public void testCopyCommitRollback()
+        throws Exception
+    {
+        assertTrue( "Test if the source exists", testSource.exists() );
+
+        String source = FileUtils.fileRead( testSource.getAbsolutePath() );
+
+        CopyFileEvent event = new CopyFileEvent( testSource, testDest );
+
+        assertFalse( "Test that the destination is not yet created", testDest.exists() );
+
+        event.commit();
+
+        assertTrue( "Test that the destination is created", testDest.exists() );
+
+        String target = FileUtils.fileRead( testDest.getAbsolutePath() );
+
+        assertTrue( "Test that the destination contents are copied correctly", source.equals( target ) );
+
+        event.rollback();
+
+        assertFalse( "Test that the destination file has been deleted", testDest.exists() );
+    }
+
+    public void testCopyCommitRollbackWithBackup()
+        throws Exception
+    {
+        assertTrue( "Test if the source exists", testSource.exists() );
+
+        String source = FileUtils.fileRead( testSource.getAbsolutePath() );
+
+        testDest.getParentFile().mkdirs();
+
+        testDest.createNewFile();
+
+        FileUtils.fileWrite( testDest.getAbsolutePath(), "overwritten contents" );
+
+        assertTrue( "Test that the destination exists", testDest.exists() );
+
+        CopyFileEvent event = new CopyFileEvent( testSource, testDest );
+
+        String target = FileUtils.fileRead( testDest.getAbsolutePath() );
+
+        assertTrue( "Test that the destination contents have not changed", target.equals( "overwritten contents" ) );
+
+        event.commit();
+
+        target = FileUtils.fileRead( testDest.getAbsolutePath() );
+
+        assertTrue( "Test that the destination contents are copied correctly", source.equals( target ) );
+
+        event.rollback();
+
+        target = FileUtils.fileRead( testDest.getAbsolutePath() );
+
+        assertTrue( "Test the destination file contents have been restored", target.equals( "overwritten contents" ) );
+    }
+
+    public void testCreateRollbackCommit()
+        throws Exception
+    {
+        assertTrue( "Test if the source exists", testSource.exists() );
+
+        String source = FileUtils.fileRead( testSource.getAbsolutePath() );
+
+        CopyFileEvent event = new CopyFileEvent( testSource, testDest );
+
+        assertFalse( "Test that the destination is not yet created", testDest.exists() );
+
+        event.rollback();
+
+        assertFalse( "Test that the destination file is not yet created", testDest.exists() );
+
+        event.commit();
+
+        assertTrue( "Test that the destination is created", testDest.exists() );
+
+        String target = FileUtils.fileRead( testDest.getAbsolutePath() );
+
+        assertTrue( "Test that the destination contents are copied correctly", source.equals( target ) );
+    }
+
+    protected void tearDown()
+        throws Exception
+    {
+        super.tearDown();
+
+        FileUtils.deleteDirectory( new File( PlexusTestCase.getBasedir(),
+                                             "target/transaction-tests" ).getAbsolutePath() );
+    }
+}