builder:RuleParentTest: added

builder/src/test/java/net/kemitix/checkstyle/ruleset/builder/RuleParentTest.java

@@ -0,0 +1,33 @@
+package net.kemitix.checkstyle.ruleset.builder;
+
+import lombok.val;
+import org.junit.Test;
+
+import java.util.Arrays;
+
+import static org.assertj.core.api.Assertions.assertThat;
+
+/**
+ * Tests for {@link RuleParent}.
+ *
+ * @author Paul Campbell (pcampbell@kemitix.net)
+ */
+public class RuleParentTest {
+
+    @Test
+    public void valueOf() throws Exception {
+        assertThat(RuleParent.valueOf("CHECKER")).isEqualTo(RuleParent.CHECKER);
+        assertThat(RuleParent.valueOf("TREEWALKER")).isEqualTo(RuleParent.TREEWALKER);
+    }
+
+    @Test
+    public void values() throws Exception {
+        //given
+        val expected = Arrays.asList("CHECKER", "TREEWALKER");
+        //when
+        val values = Arrays.stream(RuleParent.values())
+                           .map(RuleParent::toString);
+        //then
+        assertThat(values).containsExactlyElementsOf(expected);
+    }
+}