Add integration test for install and deploy flattened pom

Fix #442

Author: slawekjaranowski

src/it/projects/flatten-deploy/invoker.properties

@@ -0,0 +1 @@
+invoker.goals=clean deploy

src/it/projects/flatten-deploy/pom.xml

@@ -0,0 +1,82 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!--
+  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.
+-->
+<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+  <modelVersion>4.0.0</modelVersion>
+  <groupId>org.codehaus.mojo.flatten.its</groupId>
+  <artifactId>flatten-deploy</artifactId>
+  <version>0.0.1</version>
+
+  <properties>
+    <!-- deploy to local repository -->
+    <altDeploymentRepository>alt-id::file:target/repo</altDeploymentRepository>
+    <dep.version>1.1</dep.version>
+  </properties>
+
+  <dependencies>
+    <dependency>
+      <groupId>org.codehaus.mojo.flatten.its</groupId>
+      <artifactId>dep</artifactId>
+      <version>${dep.version}</version>
+    </dependency>
+  </dependencies>
+
+  <build>
+    <pluginManagement>
+      <plugins>
+        <plugin>
+          <groupId>org.apache.maven.plugins</groupId>
+          <artifactId>maven-install-plugin</artifactId>
+          <version>@maven-install-plugin.version@</version>
+        </plugin>
+        <plugin>
+          <groupId>org.apache.maven.plugins</groupId>
+          <artifactId>maven-deploy-plugin</artifactId>
+          <version>@maven-deploy-plugin.version@</version>
+        </plugin>
+      </plugins>
+    </pluginManagement>
+
+    <plugins>
+      <plugin>
+        <groupId>org.codehaus.mojo</groupId>
+        <artifactId>flatten-maven-plugin</artifactId>
+        <version>@project.version@</version>
+        <executions>
+          <!-- enable flattening -->
+          <execution>
+            <id>flatten</id>
+            <phase>package</phase>
+            <goals>
+              <goal>flatten</goal>
+            </goals>
+          </execution>
+          <!-- ensure proper cleanup -->
+          <execution>
+            <id>flatten.clean</id>
+            <goals>
+              <goal>clean</goal>
+            </goals>
+          </execution>
+        </executions>
+      </plugin>
+    </plugins>
+  </build>
+</project>

src/it/projects/flatten-deploy/verify.groovy

@@ -0,0 +1,45 @@
+/*
+ * 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.
+ */
+
+import groovy.xml.XmlSlurper
+
+File flattenedPomFile = new File(basedir, '.flattened-pom.xml')
+assert flattenedPomFile.exists()
+
+def flattenedPom = new XmlSlurper().parse(flattenedPomFile)
+// check that the pom is flattened
+assert 0 ==  flattenedPom.build.pluginManagement.size()
+assert 0 ==  flattenedPom.build.plugins.size()
+assert "1.1" == flattenedPom.dependencies.dependency[0].version.toString()
+
+// check installed pom
+File flattenedInstallPomFile = new File(localRepositoryPath, 'org/codehaus/mojo/flatten/its/flatten-deploy/0.0.1/flatten-deploy-0.0.1.pom')
+assert flattenedInstallPomFile.exists()
+assert flattenedInstallPomFile.size() == flattenedPomFile.size()
+
+def flattenedInstallPom = new XmlSlurper().parse(flattenedInstallPomFile)
+assert  flattenedInstallPom == flattenedPom
+
+// check deployed pom
+File flattenedDeployPomFile = new File(basedir, 'target/repo/org/codehaus/mojo/flatten/its/flatten-deploy/0.0.1/flatten-deploy-0.0.1.pom')
+assert flattenedDeployPomFile.exists()
+assert flattenedDeployPomFile.size() == flattenedPomFile.size()
+
+def flattenedDeployPom = new XmlSlurper().parse(flattenedInstallPomFile)
+assert flattenedDeployPom == flattenedPom