#310 - Polishing.

Add linebreak to commit message only if detail is present.

src/test/java/org/springframework/data/release/git/CommitUnitTests.java

@@ -0,0 +1,47 @@
+/*
+ * Copyright 2020 the original author or authors.
+ *
+ * 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 org.springframework.data.release.git;
+
+import static org.assertj.core.api.Assertions.*;
+
+import java.util.Optional;
+
+import org.junit.Test;
+import org.mockito.Mockito;
+
+import org.springframework.data.release.issues.Ticket;
+import org.springframework.data.release.issues.TicketStatus;
+
+/**
+ * @author Mark Paluch
+ */
+public class CommitUnitTests {
+
+	@Test
+	public void shouldRenderCommitMessage() {
+
+		assertThat(new Commit(new Ticket("1234", "Hello", Mockito.mock(TicketStatus.class)), "Summary", Optional.empty()))
+				.hasToString("1234 - Summary.");
+	}
+
+	@Test
+	public void shouldRenderCommitMessageWithDetail() {
+
+		assertThat(
+				new Commit(new Ticket("1234", "Hello", Mockito.mock(TicketStatus.class)), "Summary", Optional.of("detail")))
+						.hasToString("1234 - Summary.\n" + "\n" + "detail");
+	}
+}