Injecting CommitId Into a Spring Bean (#599)

* initial

* working

* added injection test

spring-boot/src/test/java/com/baeldung/git/CommitIdTest.java

@@ -0,0 +1,32 @@
+package com.baeldung.git;
+
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.springframework.beans.factory.annotation.Value;
+import org.springframework.test.context.ContextConfiguration;
+import org.springframework.test.context.junit4.SpringRunner;
+
+import static org.assertj.core.api.Assertions.assertThat;
+@RunWith(SpringRunner.class)
+@ContextConfiguration(classes = CommitIdApplication.class)
+public class CommitIdTest {
+
+    @Value("${git.commit.message.short}")
+    private String commitMessage;
+
+    @Value("${git.branch}")
+    private String branch;
+
+    @Value("${git.commit.id}")
+    private String commitId;
+
+    @Test
+    public void shouldInjectGitInfoProperties() throws Exception {
+        assertThat(commitMessage).isNotNull();
+        assertThat(commitMessage).isNotEqualTo("${git.commit.message.short}");
+        assertThat(branch).isNotNull();
+        assertThat(branch).isNotEqualTo("${git.branch}");
+        assertThat(commitId).isNotNull();
+        assertThat(commitId).isNotEqualTo("${git.commit.id}");
+    }
+}