Validate MSBuild plugin compatibility (#1318)

demos/msbuild/README.md

@@ -0,0 +1,14 @@
+# Configure MSBuild
+
+Basic configuration of [MSBuild](https://plugins.jenkins.io/msbuild) plugin.
+
+## Sample configuration
+
+```yaml
+tool:
+  msbuild:
+    installations:
+      - name: "MSBuild Latest"
+        home: "C:\\WINDOWS\\Microsoft.NET\\Framework\\14.0\\Bin\\MSBuild.exe"
+        defaultArgs: "/p:Configuration=Debug"
+```

integrations/pom.xml

@@ -457,6 +457,13 @@
         </exclusion>
       </exclusions>
     </dependency>
+
+    <dependency>
+      <groupId>org.jenkins-ci.plugins</groupId>
+      <artifactId>msbuild</artifactId>
+      <version>1.29</version>
+      <scope>test</scope>
+    </dependency>
   </dependencies>
 
   <dependencyManagement>

integrations/src/test/java/io/jenkins/plugins/casc/MSBuildTest.java

@@ -0,0 +1,30 @@
+package io.jenkins.plugins.casc;
+
+import hudson.ExtensionList;
+import hudson.plugins.msbuild.MsBuildInstallation;
+import hudson.plugins.msbuild.MsBuildInstallation.DescriptorImpl;
+import io.jenkins.plugins.casc.misc.ConfiguredWithReadme;
+import io.jenkins.plugins.casc.misc.JenkinsConfiguredWithReadmeRule;
+import org.junit.Rule;
+import org.junit.Test;
+
+import static org.junit.Assert.assertEquals;
+import static org.junit.Assert.assertNotNull;
+
+public class MSBuildTest {
+    @Rule
+    public JenkinsConfiguredWithReadmeRule j = new JenkinsConfiguredWithReadmeRule();
+
+    @Test
+    @ConfiguredWithReadme("msbuild/README.md")
+    public void configure_msbuild() {
+        final DescriptorImpl msBuildDescriptor = ExtensionList.lookupSingleton(DescriptorImpl.class);
+        assertNotNull(msBuildDescriptor);
+        assertEquals(1, msBuildDescriptor.getInstallations().length);
+
+        final MsBuildInstallation msBuildInstallation = msBuildDescriptor.getInstallations()[0];
+        assertEquals("MSBuild Latest", msBuildInstallation.getName());
+        assertEquals("C:\\WINDOWS\\Microsoft.NET\\Framework\\14.0\\Bin\\MSBuild.exe", msBuildInstallation.getHome());
+        assertEquals("/p:Configuration=Debug", msBuildInstallation.getDefaultArgs());
+    }
+}