Add acceptance tests for list projects endpoint

Add acceptance tests for list projects endpoint and all the options it
supports.

Change-Id: I4bdc9a71f7e9d344d9b60ce897e586cfa6a2d05e
diff --git a/gerrit-acceptance-tests/src/test/java/com/google/gerrit/acceptance/rest/project/ListProjectsIT.java b/gerrit-acceptance-tests/src/test/java/com/google/gerrit/acceptance/rest/project/ListProjectsIT.java
new file mode 100644
index 0000000..953a21a
--- /dev/null
+++ b/gerrit-acceptance-tests/src/test/java/com/google/gerrit/acceptance/rest/project/ListProjectsIT.java
@@ -0,0 +1,211 @@
+// Copyright (C) 2014 The Android Open Source Project
+//
+// 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.gerrit.acceptance.rest.project;
+
+import static com.google.gerrit.acceptance.GitUtil.createProject;
+import static com.google.gerrit.acceptance.rest.project.ProjectAssert.assertProjects;
+import static org.junit.Assert.assertEquals;
+import static org.junit.Assert.assertNotNull;
+import static org.junit.Assert.assertNull;
+
+import com.google.gerrit.acceptance.AbstractDaemonTest;
+import com.google.gerrit.acceptance.RestResponse;
+import com.google.gerrit.extensions.api.projects.ProjectInput;
+import com.google.gerrit.extensions.common.ProjectInfo;
+import com.google.gerrit.extensions.restapi.RestApiException;
+import com.google.gerrit.reviewdb.client.Project;
+import com.google.gerrit.server.config.AllProjectsName;
+import com.google.gerrit.server.config.AllUsersName;
+import com.google.gson.reflect.TypeToken;
+import com.google.inject.Inject;
+
+import com.jcraft.jsch.JSchException;
+
+import org.apache.http.HttpStatus;
+import org.junit.Test;
+
+import java.io.IOException;
+import java.util.Arrays;
+import java.util.Map;
+
+public class ListProjectsIT extends AbstractDaemonTest {
+
+  @Inject
+  private AllProjectsName allProjects;
+
+  @Inject
+  private AllUsersName allUsers;
+
+  @Test
+  public void listProjects() throws IOException, JSchException {
+    Project.NameKey someProject = new Project.NameKey("some-project");
+    createProject(sshSession, someProject.get());
+
+    RestResponse r = GET("/projects/");
+    assertEquals(HttpStatus.SC_OK, r.getStatusCode());
+    Map<String, ProjectInfo> result = toProjectInfoMap(r);
+    assertProjects(Arrays.asList(allUsers, someProject, project),
+        result.values());
+  }
+
+  @Test
+  public void listProjectsWithBranch() throws IOException, JSchException {
+    RestResponse r = GET("/projects/?b=master");
+    assertEquals(HttpStatus.SC_OK, r.getStatusCode());
+    Map<String, ProjectInfo> result = toProjectInfoMap(r);
+    assertNotNull(result.get(project.get()));
+    assertNotNull(result.get(project.get()).branches);
+    assertEquals(1, result.get(project.get()).branches.size());
+    assertNotNull(result.get(project.get()).branches.get("master"));
+  }
+
+  @Test
+  public void listProjectWithDescription() throws RestApiException, IOException {
+    ProjectInput projectInput = new ProjectInput();
+    projectInput.name = "some-project";
+    projectInput.description = "Description of some-project";
+    gApi.projects().name(projectInput.name).create(projectInput);
+
+    // description not be included in the results by default.
+    RestResponse r = GET("/projects/");
+    assertEquals(HttpStatus.SC_OK, r.getStatusCode());
+    Map<String, ProjectInfo> result = toProjectInfoMap(r);
+    assertNotNull(result.get(projectInput.name));
+    assertNull(result.get(projectInput.name).description);
+
+    r = GET("/projects/?d");
+    assertEquals(HttpStatus.SC_OK, r.getStatusCode());
+    result = toProjectInfoMap(r);
+    assertNotNull(result.get(projectInput.name));
+    assertEquals(projectInput.description,
+        result.get(projectInput.name).description);
+  }
+
+  @Test
+  public void listProjectsWithLimit() throws IOException, JSchException {
+    for (int i = 0; i < 5; i++) {
+      createProject(sshSession, new Project.NameKey("someProject" + i).get());
+    }
+
+    RestResponse r = GET("/projects/");
+    assertEquals(HttpStatus.SC_OK, r.getStatusCode());
+    Map<String, ProjectInfo> result = toProjectInfoMap(r);
+    assertEquals(7, result.size()); // 5 plus 2 existing projects: p and
+                                    // All-Users
+
+    r = GET("/projects/?n=2");
+    assertEquals(HttpStatus.SC_OK, r.getStatusCode());
+    result = toProjectInfoMap(r);
+    assertEquals(2, result.size());
+  }
+
+  @Test
+  public void listProjectsWithPrefix() throws IOException, JSchException {
+    Project.NameKey someProject = new Project.NameKey("some-project");
+    createProject(sshSession, someProject.get());
+    Project.NameKey someOtherProject =
+        new Project.NameKey("some-other-project");
+    createProject(sshSession, someOtherProject.get());
+    Project.NameKey projectAwesome = new Project.NameKey("project-awesome");
+    createProject(sshSession, projectAwesome.get());
+
+    RestResponse r = GET("/projects/?p=some");
+    assertEquals(HttpStatus.SC_OK, r.getStatusCode());
+    Map<String, ProjectInfo> result = toProjectInfoMap(r);
+    assertProjects(Arrays.asList(someProject, someOtherProject),
+        result.values());
+  }
+
+  @Test
+  public void listProjectsWithSkip() throws IOException, JSchException {
+    for (int i = 0; i < 5; i++) {
+      createProject(sshSession, new Project.NameKey("someProject" + i).get());
+    }
+
+    RestResponse r = GET("/projects/");
+    assertEquals(HttpStatus.SC_OK, r.getStatusCode());
+    Map<String, ProjectInfo> result = toProjectInfoMap(r);
+    assertEquals(7, result.size()); // 5 plus 2 existing projects: p and
+                                    // All-Users
+
+    r = GET("/projects/?S=6");
+    assertEquals(HttpStatus.SC_OK, r.getStatusCode());
+    result = toProjectInfoMap(r);
+    assertEquals(1, result.size());
+  }
+
+  @Test
+  public void listProjectsWithSubstring() throws IOException, JSchException {
+    Project.NameKey someProject = new Project.NameKey("some-project");
+    createProject(sshSession, someProject.get());
+    Project.NameKey someOtherProject =
+        new Project.NameKey("some-other-project");
+    createProject(sshSession, someOtherProject.get());
+    Project.NameKey projectAwesome = new Project.NameKey("project-awesome");
+    createProject(sshSession, projectAwesome.get());
+
+    RestResponse r = GET("/projects/?m=some");
+    assertEquals(HttpStatus.SC_OK, r.getStatusCode());
+    Map<String, ProjectInfo> result = toProjectInfoMap(r);
+    assertProjects(
+        Arrays.asList(someProject, someOtherProject, projectAwesome),
+        result.values());
+  }
+
+  @Test
+  public void listProjectsWithTree() throws IOException, JSchException {
+    Project.NameKey someParentProject =
+        new Project.NameKey("some-parent-project");
+    createProject(sshSession, someParentProject.get());
+    Project.NameKey someChildProject =
+        new Project.NameKey("some-child-project");
+    createProject(sshSession, someChildProject.get(), someParentProject);
+
+    RestResponse r = GET("/projects/?tree");
+    assertEquals(HttpStatus.SC_OK, r.getStatusCode());
+    Map<String, ProjectInfo> result = toProjectInfoMap(r);
+    assertNotNull(result.get(someChildProject.get()));
+    assertEquals(someParentProject.get(),
+        result.get(someChildProject.get()).parent);
+  }
+
+  @Test
+  public void listProjectWithType() throws RestApiException, IOException {
+    RestResponse r = GET("/projects/?type=PERMISSIONS");
+    assertEquals(HttpStatus.SC_OK, r.getStatusCode());
+    Map<String, ProjectInfo> result = toProjectInfoMap(r);
+    assertEquals(1, result.size());
+    assertNotNull(result.get(allProjects.get()));
+
+    r = GET("/projects/?type=ALL");
+    assertEquals(HttpStatus.SC_OK, r.getStatusCode());
+    result = toProjectInfoMap(r);
+    assertEquals(3, result.size());
+    assertProjects(Arrays.asList(allProjects, allUsers, project),
+        result.values());
+  }
+
+  private static Map<String, ProjectInfo> toProjectInfoMap(RestResponse r)
+      throws IOException {
+    Map<String, ProjectInfo> result =
+        newGson().fromJson(r.getReader(),
+            new TypeToken<Map<String, ProjectInfo>>() {}.getType());
+    return result;
+  }
+
+  private RestResponse GET(String endpoint) throws IOException {
+    return adminSession.get(endpoint);
+  }
+}
diff --git a/gerrit-acceptance-tests/src/test/java/com/google/gerrit/acceptance/rest/project/ProjectAssert.java b/gerrit-acceptance-tests/src/test/java/com/google/gerrit/acceptance/rest/project/ProjectAssert.java
index 3128004..3354cb8 100644
--- a/gerrit-acceptance-tests/src/test/java/com/google/gerrit/acceptance/rest/project/ProjectAssert.java
+++ b/gerrit-acceptance-tests/src/test/java/com/google/gerrit/acceptance/rest/project/ProjectAssert.java
@@ -27,18 +27,20 @@
 import com.google.gerrit.reviewdb.client.Project;
 import com.google.gerrit.server.project.ProjectState;
 
-import java.util.List;
+import java.util.Collection;
 import java.util.Set;
 
 public class ProjectAssert {
 
   public static void assertProjects(Iterable<Project.NameKey> expected,
-      List<ProjectInfo> actual) {
+      Collection<ProjectInfo> actual) {
     for (final Project.NameKey p : expected) {
       ProjectInfo info = Iterables.find(actual, new Predicate<ProjectInfo>() {
         @Override
         public boolean apply(ProjectInfo info) {
-          return new Project.NameKey(info.name).equals(p);
+          // 'name' is not set if returned in a map, use the id instead.
+          return new Project.NameKey(info.name != null ? info.name : Url
+              .decode(info.id)).equals(p);
         }}, null);
       assertNotNull("missing project: " + p, info);
       actual.remove(info);