Check Android repository too (#3605)

* rename test class to match model class
* demock tests and add resolve test
* testResolveArtifact
* testResolveArtifact_android
* hack around bug
* match group ID to repo

Author: elharo

plugins/com.google.cloud.tools.eclipse.appengine.libraries.test/src/com/google/cloud/tools/eclipse/appengine/libraries/repository/MavenHelpTest.java

@@ -0,0 +1,103 @@
+/*
+ * Copyright 2017 Google Inc.
+ *
+ * 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.
+ */
+
+package com.google.cloud.tools.eclipse.appengine.libraries.repository;
+
+import static org.junit.Assert.assertTrue;
+
+import com.google.cloud.tools.eclipse.appengine.libraries.model.MavenCoordinates;
+import org.apache.maven.artifact.Artifact;
+import org.eclipse.core.runtime.CoreException;
+import org.eclipse.core.runtime.IPath;
+import org.eclipse.core.runtime.NullProgressMonitor;
+import org.junit.Assert;
+import org.junit.Test;
+
+public class MavenHelperTest {
+
+  private static final String EXPECTED_DOWNLOAD_FOLDER =
+      ".metadata/.plugins/com.google.cloud.tools.eclipse.appengine.libraries/downloads/groupId/artifactId/1.0.0";
+
+  @Test
+  public void testBundleStateBasedMavenFolder_withSpecificVersion() {
+    MavenCoordinates coordinates = new MavenCoordinates.Builder()
+        .setGroupId("groupId")
+        .setArtifactId("artifactId")
+        .setVersion("1.0.0")
+        .build();
+    IPath folder = MavenHelper.bundleStateBasedMavenFolder(coordinates);
+    assertTrue(folder.toString().endsWith(EXPECTED_DOWNLOAD_FOLDER));
+  }
+  
+  @Test
+  public void testResolveArtifact() throws CoreException {
+    MavenCoordinates coordinates = new MavenCoordinates.Builder()
+        .setGroupId("com.google.cloud")
+        .setArtifactId("google-cloud-datastore")
+        .setVersion("1.102.1")
+        .build();
+    Artifact artifact = MavenHelper.resolveArtifact(coordinates, new NullProgressMonitor());
+    Assert.assertEquals("google-cloud-datastore", artifact.getArtifactId());
+  }
+  
+  @Test
+  public void testResolveArtifact_googleApiClient() throws CoreException {
+    MavenCoordinates coordinates = new MavenCoordinates.Builder()
+        .setGroupId("com.google.api-client")
+        .setArtifactId("google-api-client")
+        .setVersion("1.30.8")
+        .build();
+    Artifact artifact = MavenHelper.resolveArtifact(coordinates, new NullProgressMonitor());
+    Assert.assertEquals("google-api-client", artifact.getArtifactId());
+  }
+  
+  @Test
+  public void testResolveArtifact_android() throws CoreException {
+    MavenCoordinates coordinates = new MavenCoordinates.Builder()
+        .setGroupId("androidx.annotation")
+        .setArtifactId("annotation")
+        .setVersion("1.1.0")
+        .setRepository("https://maven.google.com")
+        .build();
+    Artifact artifact = MavenHelper.resolveArtifact(coordinates, new NullProgressMonitor());
+    Assert.assertEquals("annotation", artifact.getArtifactId());
+  }
+  
+  @Test
+  public void testResolveArtifact_android_noRepository() throws CoreException {
+    MavenCoordinates coordinates = new MavenCoordinates.Builder()
+        .setGroupId("androidx.annotation")
+        .setArtifactId("annotation")
+        .setVersion("1.1.0")
+        .build();
+    Artifact artifact = MavenHelper.resolveArtifact(coordinates, new NullProgressMonitor());
+    Assert.assertEquals("annotation", artifact.getArtifactId());
+  }
+  
+  @Test
+  public void testBundleStateBasedMavenFolder_withLatestVersion() {
+    MavenCoordinates coordinates = new MavenCoordinates.Builder()
+        .setGroupId("com.google.cloud")
+        .setArtifactId("datastore")
+        .setVersion("LATEST")
+        .build();
+    try {
+      MavenHelper.bundleStateBasedMavenFolder(coordinates);
+      Assert.fail();
+    } catch (IllegalArgumentException expected) {
+    }
+  }
+}

plugins/com.google.cloud.tools.eclipse.appengine.libraries.test/src/com/google/cloud/tools/eclipse/appengine/libraries/repository/MavenHelperTest.java

@@ -138,6 +138,9 @@ public Builder setGroupId(String groupId) {
       Preconditions.checkNotNull(groupId, "groupId null");
       Preconditions.checkArgument(!groupId.isEmpty(), "groupId is empty");
       this.groupId = groupId;
+      if (groupId.startsWith("androidx")) {
+        setRepository("https://maven.google.com");
+      }
       return this;
     }
 

plugins/com.google.cloud.tools.eclipse.appengine.libraries/src/com/google/cloud/tools/eclipse/appengine/libraries/model/MavenCoordinates.java

@@ -54,14 +54,14 @@ public static Artifact resolveArtifact(
   private static List<ArtifactRepository> getRepository(MavenCoordinates mavenCoordinates)
       throws CoreException {
     if (MavenCoordinates.MAVEN_CENTRAL_REPO.equals(mavenCoordinates.getRepository())) {
-      // M2Eclipse will use the Maven Central repo in case null is used
+      // M2Eclipse uses the Maven Central repo if the repsoitory list is null
       return null;
     } else {
-      return Collections.singletonList(getCustomRepository(mavenCoordinates.getRepository()));
+      return Collections.singletonList(makeRepository(mavenCoordinates.getRepository()));
     }
   }
 
-  private static ArtifactRepository getCustomRepository(String repository) throws CoreException {
+  private static ArtifactRepository makeRepository(String repository) throws CoreException {
     try {
       URI repoUri = new URI(repository);
       if (!repoUri.isAbsolute()) {

plugins/com.google.cloud.tools.eclipse.appengine.libraries/src/com/google/cloud/tools/eclipse/appengine/libraries/repository/MavenHelper.java

@@ -39,6 +39,7 @@
 import org.eclipse.core.runtime.jobs.ISchedulingRule;
 import org.eclipse.core.runtime.jobs.Job;
 import org.eclipse.m2e.core.MavenPlugin;
+import org.eclipse.m2e.core.embedder.IMaven;
 import org.eclipse.m2e.core.embedder.IMavenExecutionContext;
 import org.eclipse.m2e.core.internal.MavenPluginActivator;
 import org.w3c.dom.DOMException;
@@ -93,9 +94,9 @@ public static Artifact resolveArtifact(
     return runOperation(
         monitor,
         (context, system, progress) -> {
-          Artifact artifact =
-              MavenPlugin.getMaven()
-                  .resolve(groupId, artifactId, version, type, classifier, repositories, progress);
+          IMaven maven = MavenPlugin.getMaven();
+          Artifact artifact = maven.resolve(
+              groupId, artifactId, version, type, classifier, repositories, progress);
           return artifact;
         });
   }