1 files changed, 14 insertions, 0 deletions
diff --git a/src/test/java/org/sonar/runner/internal/batch/SonarProjectBuilderTest.java b/src/test/java/org/sonar/runner/internal/batch/SonarProjectBuilderTest.java
index b0d3d8f..2e7d596 100644
--- a/src/test/java/org/sonar/runner/internal/batch/SonarProjectBuilderTest.java
+++ b/src/test/java/org/sonar/runner/internal/batch/SonarProjectBuilderTest.java
@@ -363,4 +363,18 @@ public class SonarProjectBuilderTest {
     SonarProjectBuilder.checkUnicityOfChildKey(mod2, root);
   }
 
+  @Test
+  public void shouldSetProjectKeyIfNotPresent() {
+    Properties props = new Properties();
+    props.put("sonar.projectVersion", "1.0");
+
+    // should be set
+    SonarProjectBuilder.setProjectKeyIfNotDefined(props, "foo");
+    assertThat(props.getProperty("sonar.projectKey")).isEqualTo("foo");
+
+    // but not this 2nd time
+    SonarProjectBuilder.setProjectKeyIfNotDefined(props, "bar");
+    assertThat(props.getProperty("sonar.projectKey")).isEqualTo("foo");
+  }
+
 }