Add instance tags

1 files changed, 52 insertions, 0 deletions

diff --git a/config-provisioning/src/test/java/com/yahoo/config/provision/TagsTest.java b/config-provisioning/src/test/java/com/yahoo/config/provision/TagsTest.java
new file mode 100644
index 00000000000..1f2b2737619
--- /dev/null
+++ b/config-provisioning/src/test/java/com/yahoo/config/provision/TagsTest.java
@@ -0,0 +1,52 @@
+// Copyright Yahoo. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
+package com.yahoo.config.provision;
+
+import org.junit.jupiter.api.Test;
+
+import java.util.Set;
+
+import static org.junit.jupiter.api.Assertions.assertEquals;
+import static org.junit.jupiter.api.Assertions.assertFalse;
+import static org.junit.jupiter.api.Assertions.assertTrue;
+
+/**
+ * @author bratseth
+ */
+public class TagsTest {
+
+    @Test
+    public void testEmpty() {
+        assertEquals(Tags.empty(), Tags.fromString(null));
+        assertEquals(Tags.empty(), Tags.fromString(""));
+        assertEquals(Tags.empty(), Tags.fromString(" "));
+    }
+
+    @Test
+    public void testSerialization() {
+        Tags tags = new Tags(Set.of("a", "tag2", "3"));
+        assertEquals(tags, Tags.fromString(tags.toString())); // Required by automatic serialization
+        assertEquals(tags, Tags.fromString(tags.asString())); // Required by automatic serialization
+    }
+
+    @Test
+    public void testContains() {
+        Tags tags = new Tags(Set.of("a", "tag2", "3"));
+        assertTrue(tags.contains("a"));
+        assertTrue(tags.contains("tag2"));
+        assertTrue(tags.contains("3"));
+        assertFalse(tags.contains("other"));
+
+        Tags subTags = new Tags(Set.of("a", "3"));
+        assertTrue(tags.containsAll(subTags));
+        assertFalse(subTags.containsAll(tags));
+    }
+
+    @Test
+    public void testIntersects() {
+        Tags tags1 = new Tags(Set.of("a", "tag2", "3"));
+        Tags tags2 = new Tags(Set.of("a", "tag3"));
+        assertTrue(tags1.intersects(tags2));
+        assertTrue(tags2.intersects(tags1));
+    }
+
+}