add comparison test

wizard-server/src/test/java/org/cobbzilla/model/SemanticVersionTest.java

@@ -1,10 +1,12 @@
 package org.cobbzilla.model;
 
+import org.apache.bcel.generic.NEW;
+import org.apache.commons.lang3.StringUtils;
 import org.cobbzilla.wizard.model.SemanticVersion;
 import org.junit.Test;
 
-import static org.junit.Assert.assertEquals;
-import static org.junit.Assert.fail;
+import static org.cobbzilla.wizard.model.SemanticVersion.isNewerVersion;
+import static org.junit.Assert.*;
 
 public class SemanticVersionTest {
 
@@ -12,16 +14,22 @@ public class SemanticVersionTest {
             { "0.0.0", new SemanticVersion(0, 0, 0) },
             { "1.2.3" , new SemanticVersion(1, 2, 3) },
             { "12.1.0", new SemanticVersion(12, 1, 0) },
+            { "1.2.3.4", new SemanticVersion(1, 2, 3, 4) },
     };
 
-    @Test
-    public void testValidVersions () {
+    @Test public void testValidVersions () {
         for (Object[] test : VALID_VERSIONS) {
             final SemanticVersion v = new SemanticVersion(test[0].toString());
             final SemanticVersion expected = (SemanticVersion) test[1];
             assertEquals(expected.getMajor(), v.getMajor());
             assertEquals(expected.getMinor(), v.getMinor());
             assertEquals(expected.getPatch(), v.getPatch());
+            if (StringUtils.countMatches(test[0].toString(), '.') == 3) {
+                assertEquals(expected.getBuild(), v.getBuild());
+            } else {
+                assertNull(expected.getBuild());
+                assertNull(v.getBuild());
+            }
             assertEquals(expected, v);
         }
     }
@@ -30,8 +38,7 @@ public class SemanticVersionTest {
             "", ".", "0.", "1.0", "0.0.", "a.1.0", "1. 0 . 5", "1.0.0.x"
     };
 
-    @Test
-    public void testInvalidVersions () {
+    @Test public void testInvalidVersions () {
         for (String test : INVALID_VERSIONS) {
             try {
                 final SemanticVersion v = new SemanticVersion(test);
@@ -40,4 +47,18 @@ public class SemanticVersionTest {
         }
     }
 
+    public static final String[][] NEWER_COMPARISONS = {
+            {"1.0.1", "1.0.0"},
+            {"1.0.1.1", "1.0.0"},
+            {"1.2.3", "1.2.2"},
+    };
+
+    @Test public void testNewerVersions () {
+        for (String[] versions : NEWER_COMPARISONS) {
+            final String v1 = versions[0];
+            final String v2 = versions[1];
+            assertTrue("expected "+v1+ " to be considered newer than "+v2, isNewerVersion(v2, v1));
+        }
+    }
+
 }