Add unit test for matcher registry.

Author: Mike Davis

core-api/src/test/java/com/optimizely/ab/config/audience/match/MatchRegistryTest.java

@@ -0,0 +1,44 @@
+package com.optimizely.ab.config.audience.match;
+
+import org.junit.Test;
+
+import static com.optimizely.ab.config.audience.match.MatchRegistry.*;
+import static org.hamcrest.Matchers.instanceOf;
+import static org.junit.Assert.*;
+
+public class MatchRegistryTest {
+
+    @Test
+    public void testDefaultMatchers() throws UnknownMatchTypeException {
+        assertThat(MatchRegistry.getMatch(EXISTS), instanceOf(ExistsMatch.class));
+        assertThat(MatchRegistry.getMatch(EXACT), instanceOf(ExactMatch.class));
+        assertThat(MatchRegistry.getMatch(GREATER_THAN), instanceOf(GTMatch.class));
+        assertThat(MatchRegistry.getMatch(LESS_THAN), instanceOf(LTMatch.class));
+        assertThat(MatchRegistry.getMatch(LESS_THAN_EQ), instanceOf(LEMatch.class));
+        assertThat(MatchRegistry.getMatch(GREATER_THAN_EQ), instanceOf(GEMatch.class));
+        assertThat(MatchRegistry.getMatch(SUBSTRING), instanceOf(SubstringMatch.class));
+        assertThat(MatchRegistry.getMatch(SEMVER_EQ), instanceOf(SemanticVersionEqualsMatch.class));
+        assertThat(MatchRegistry.getMatch(SEMVER_GE), instanceOf(SemanticVersionGEMatch.class));
+        assertThat(MatchRegistry.getMatch(SEMVER_GT), instanceOf(SemanticVersionGTMatch.class));
+        assertThat(MatchRegistry.getMatch(SEMVER_LE), instanceOf(SemanticVersionLEMatch.class));
+        assertThat(MatchRegistry.getMatch(SEMVER_LT), instanceOf(SemanticVersionLTMatch.class));
+    }
+
+    @Test(expected = UnknownMatchTypeException.class)
+    public void testUnknownMatcher() throws UnknownMatchTypeException {
+        MatchRegistry.getMatch("UNKNOWN");
+    }
+
+    @Test
+    public void testRegister() throws UnknownMatchTypeException {
+        class TestMatcher implements Match {
+            @Override
+            public Boolean eval(Object conditionValue, Object attributeValue) {
+                return null;
+            }
+        }
+
+        MatchRegistry.register("test-matcher", new TestMatcher());
+        assertThat(MatchRegistry.getMatch("test-matcher"), instanceOf(TestMatcher.class));
+    }
+}