add unit test to cover branch renaming

Author: Ron DeFreitas

src/main/java/com/e_gineering/maven/gitflowhelper/OtherBranchVersionExtension.java

@@ -224,7 +224,7 @@ private boolean isProjectOfReplacedArtifactVersion(final MavenProject project, f
      * @param branchName to be normalized
      * @return A mangled version string with the branchname and -SNAPSHOT.
      */
-    private String getAsBranchSnapshotVersion(final String version, final String branchName) {
+    public String getAsBranchSnapshotVersion(final String version, final String branchName) {
         String branchNameSanitized = otherBranchVersionDelimiter + branchName.replaceAll("[^0-9A-Za-z-.]", "-") + "-SNAPSHOT";
         if(version.endsWith(branchNameSanitized)) {
             return version;

src/test/java/com/e_gineering/maven/gitflowhelper/OtherBranchTest.java

@@ -0,0 +1,33 @@
+package com.e_gineering.maven.gitflowhelper;
+
+import org.junit.Assert;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.junit.runners.BlockJUnit4ClassRunner;
+
+@RunWith(BlockJUnit4ClassRunner.class)
+public class OtherBranchTest {
+
+    private final String baseVersion = "1.0.2";
+    private final String baseSnapshotVersion = "1.0.2-SNAPSHOT";
+    private final String branchName = "feature/other-branch-name";
+    private final String expectedSnapshotResult = "1.0.2+feature-other-branch-name-SNAPSHOT";
+
+    private OtherBranchVersionExtension getExtension() {
+        OtherBranchVersionExtension extension = new OtherBranchVersionExtension();
+        extension.otherBranchVersionDelimiter = "+";
+        return extension;
+    }
+
+    @Test
+    public void assertOtherBranchNameIsPrefixedBeforeSnapshot() {
+        OtherBranchVersionExtension extension = getExtension();
+        Assert.assertEquals(expectedSnapshotResult, extension.getAsBranchSnapshotVersion(baseSnapshotVersion,branchName));
+    }
+
+    @Test
+    public void assertOtherBranchNameIsOnlyPrefixedBeforeSnapshotOneTime() {
+        OtherBranchVersionExtension extension = getExtension();
+        Assert.assertEquals(expectedSnapshotResult, extension.getAsBranchSnapshotVersion(extension.getAsBranchSnapshotVersion(baseSnapshotVersion,branchName),branchName));
+    }
+}