Initial commit (#113).

src/test/java/org/gitlab4j/api/TestGroupApi.java

+package org.gitlab4j.api;
+
+import static org.junit.Assert.assertEquals;
+import static org.junit.Assert.assertNotNull;
+import static org.junit.Assume.assumeTrue;
+
+import java.util.List;
+
+import org.gitlab4j.api.GitLabApi.ApiVersion;
+import org.gitlab4j.api.models.AccessLevel;
+import org.gitlab4j.api.models.Group;
+import org.gitlab4j.api.models.Member;
+import org.gitlab4j.api.models.User;
+import org.junit.AfterClass;
+import org.junit.Before;
+import org.junit.BeforeClass;
+import org.junit.Test;
+
+/**
+ * In order for these tests to run you must set the following properties in test-gitlab4j.properties
+ * 
+ * TEST_HOST_URL
+ * TEST_PRIVATE_TOKEN
+ * TEST_USERNAME
+ * TEST_GROUP
+ * TEST_GROUP_MEMBER_USERNAME
+ * 
+ * If any of the above are NULL, all tests in this class will be skipped.
+ *
+ */
+public class TestGroupApi {
+
+    // The following needs to be set to your test repository
+    private static final String TEST_HOST_URL;
+    private static final String TEST_PRIVATE_TOKEN;
+    private static final String TEST_USERNAME;
+    private static final String TEST_GROUP;
+    private static final String TEST_GROUP_MEMBER_USERNAME;
+    static {
+        TEST_HOST_URL = TestUtils.getProperty("TEST_HOST_URL");
+        TEST_PRIVATE_TOKEN = TestUtils.getProperty("TEST_PRIVATE_TOKEN");
+        TEST_USERNAME = TestUtils.getProperty("TEST_USERNAME");
+        TEST_GROUP = TestUtils.getProperty("TEST_GROUP");
+        TEST_GROUP_MEMBER_USERNAME = TestUtils.getProperty("TEST_GROUP_MEMBER_USERNAME");
+    }
+
+    private static GitLabApi gitLabApi;
+    private static Group testGroup;
+    private static User testUser;
+
+    public TestGroupApi() {
+        super();
+    }
+
+    @BeforeClass
+    public static void setup() {
+
+        String problems = "";
+        if (TEST_HOST_URL == null || TEST_HOST_URL.trim().length() == 0) {
+            problems += "TEST_HOST_URL cannot be empty\n";
+        }
+
+        if (TEST_PRIVATE_TOKEN == null || TEST_PRIVATE_TOKEN.trim().length() == 0) {
+            problems += "TEST_PRIVATE_TOKEN cannot be empty\n";
+        }
+
+        if (TEST_USERNAME == null || TEST_USERNAME.trim().length() == 0) {
+            problems += "TEST_USER_NAME cannot be empty\n";
+        }
+
+        if (problems.isEmpty()) {
+
+            gitLabApi = new GitLabApi(ApiVersion.V4, TEST_HOST_URL, TEST_PRIVATE_TOKEN);
+            try {
+                List<Group> groups = gitLabApi.getGroupApi().getGroups(TEST_GROUP);
+                testGroup = groups.get(0);
+            } catch (GitLabApiException gle) {
+                problems += "Problem fetching test group, error=" + gle.getMessage() + "\n";
+            }
+
+            try {
+                testUser = gitLabApi.getUserApi().getUser(TEST_GROUP_MEMBER_USERNAME);
+            } catch (GitLabApiException gle) {
+                problems += "Problem fetching test user, error=" + gle.getMessage() + "\n";
+            }
+        }
+
+        if (problems.isEmpty()) {
+            gitLabApi = new GitLabApi(ApiVersion.V4, TEST_HOST_URL, TEST_PRIVATE_TOKEN);
+        } else {
+            System.err.print(problems);
+        }
+
+        removeGroupMember();
+    }
+
+    @AfterClass
+    public static void teardown() {
+        removeGroupMember();
+    }
+
+    private static void removeGroupMember() {
+
+        if (gitLabApi != null) {
+
+            if (testGroup != null && testUser != null) {
+                try {
+                    gitLabApi.getGroupApi().removeMember(testGroup.getId(), testUser.getId());
+                } catch (GitLabApiException ignore) {
+                }
+            }
+        }
+    }
+
+    @Before
+    public void beforeMethod() {
+        assumeTrue(gitLabApi != null);
+        assumeTrue(testGroup != null && testUser != null);
+    }
+
+    @Test
+    public void testMemberOperations() throws GitLabApiException {
+
+        Member member = gitLabApi.getGroupApi().addMember(testGroup.getId(), testUser.getId(), AccessLevel.DEVELOPER);
+        assertNotNull(member);
+        assertEquals(testUser.getId(), member.getId());
+
+        gitLabApi.getGroupApi().removeMember(testGroup.getId(), testUser.getId());
+    }
+}