Add service support for editing a label

Change-Id: I816837e62aa02788db53c6afc57b8dc4b839171e

2 files changed, 72 insertions, 0 deletions

diff --git a/org.eclipse.egit.github.core.tests/src/org/eclipse/egit/github/core/tests/LabelServiceTest.java b/org.eclipse.egit.github.core.tests/src/org/eclipse/egit/github/core/tests/LabelServiceTest.java
index f16dd699..4d3274a4 100644
--- a/org.eclipse.egit.github.core.tests/src/org/eclipse/egit/github/core/tests/LabelServiceTest.java
+++ b/org.eclipse.egit.github.core.tests/src/org/eclipse/egit/github/core/tests/LabelServiceTest.java
@@ -439,4 +439,49 @@ public class LabelServiceTest {
 		request.setUri("/repos/user/repo/labels/bugs");
 		verify(gitHubClient).get(request);
 	}
+
+	/**
+	 * Edit label with null label
+	 *
+	 * @throws IOException
+	 */
+	@Test(expected = IllegalArgumentException.class)
+	public void editLabelNullLabel() throws IOException {
+		labelService.editLabel(RepositoryId.create("a", "b"), null);
+	}
+
+	/**
+	 * Edit label with null label
+	 *
+	 * @throws IOException
+	 */
+	@Test(expected = IllegalArgumentException.class)
+	public void editLabelNullLabelName() throws IOException {
+		labelService.editLabel(RepositoryId.create("a", "b"), new Label());
+	}
+
+	/**
+	 * Edit label with null label
+	 *
+	 * @throws IOException
+	 */
+	@Test(expected = IllegalArgumentException.class)
+	public void editLabelEmptyLabelName() throws IOException {
+		labelService.editLabel(RepositoryId.create("a", "b"),
+				new Label().setName(""));
+	}
+
+	/**
+	 * Edit label
+	 *
+	 * @throws IOException
+	 */
+	@Test
+	public void editLabel() throws IOException {
+		Label label = new Label();
+		label.setName("l1");
+		label.setColor("#FF");
+		labelService.editLabel(RepositoryId.create("a", "b"), label);
+		verify(gitHubClient).post("/repos/a/b/labels/l1", label, Label.class);
+	}
 }
diff --git a/org.eclipse.egit.github.core/src/org/eclipse/egit/github/core/service/LabelService.java b/org.eclipse.egit.github.core/src/org/eclipse/egit/github/core/service/LabelService.java
index 98499c32..957d988f 100644
--- a/org.eclipse.egit.github.core/src/org/eclipse/egit/github/core/service/LabelService.java
+++ b/org.eclipse.egit.github.core/src/org/eclipse/egit/github/core/service/LabelService.java
@@ -269,4 +269,31 @@ public class LabelService extends GitHubService {
 		uri.append('/').append(label);
 		client.delete(uri.toString());
 	}
+
+	/**
+	 * Edit the given label in the given repository
+	 *
+	 * @param repository
+	 * @param label
+	 * @return edited label
+	 * @throws IOException
+	 */
+	public Label editLabel(IRepositoryIdProvider repository, Label label)
+			throws IOException {
+		String repoId = getId(repository);
+		if (label == null)
+			throw new IllegalArgumentException("Label cannot be null"); //$NON-NLS-1$
+		String name = label.getName();
+		if (name == null)
+			throw new IllegalArgumentException("Label name cannot be null"); //$NON-NLS-1$
+		if (name.length() == 0)
+			throw new IllegalArgumentException("Label name cannot be empty"); //$NON-NLS-1$
+
+		StringBuilder uri = new StringBuilder(SEGMENT_REPOS);
+		uri.append('/').append(repoId);
+		uri.append(SEGMENT_LABELS);
+		uri.append('/').append(name);
+
+		return client.post(uri.toString(), label, Label.class);
+	}
 }