Add metric definition test

Author: Viet Nguyen

src/test/java/org/hawkular/client/test/metrics/openshift/MetricDefinitionTest.java

@@ -0,0 +1,92 @@
+/*
+ * Copyright 2015 Red Hat, Inc. and/or its affiliates
+ * and other contributors as indicated by the @author tags.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *    http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package org.hawkular.client.test.metrics.openshift;
+
+import java.util.Collections;
+import java.util.List;
+import java.util.stream.Collectors;
+
+import org.hawkular.client.metrics.model.MetricDefinition;
+import org.testng.Assert;
+import org.testng.Reporter;
+import org.testng.annotations.Test;
+
+import com.google.common.collect.ImmutableList;
+
+/**
+ * Verify container metric definitions<p>
+ * Test expects 1-container pod
+ * @author vnguyen
+ *
+ */
+@Test(groups={"openshift"})
+public class MetricDefinitionTest extends OpenshiftBaseTest {
+
+    private static final List<String> expectedMetricIDs = ImmutableList.of(
+            "memory/page_faults",
+            "cpu/usage",
+            "memory/usage",
+            "memory/major_page_faults",
+            "memory/working_set",
+            "cpu/limit",
+            "uptime",
+            "memory/limit");
+
+    public MetricDefinitionTest() throws Exception {
+        super();
+    }
+
+    @Test
+    public void verifyMetricDefinitionForPod() {
+        String project = "default";
+        String container = "hawkular-metrics";
+
+        String type = null; // ignore metric type
+        String tags = "container_name:" + container + ",pod_namespace:" + project;
+        List<MetricDefinition> defs = client().metrics().findMetricDefinitions(
+                                                OpenshiftBaseTest.TENANT_ID,
+                                                type,
+                                                tags);
+        Reporter.log(defs.toString(), true);
+
+        Assert.assertTrue(defs != null && defs.size() == expectedMetricIDs.size());
+
+        // collect all metric IDs
+        List<String> metricIDs = defs.stream()
+                .map(x -> x.getId())
+                .collect(Collectors.toList());
+
+        Reporter.log(metricIDs.toString(), true);
+
+        // pad expected metric id with container name + pod id
+        String podId = defs.get(0).getTags().get("pod_id");
+        String idPrefix = container + "/" + podId + "/";
+        List<String> expectedIDs = expectedMetricIDs
+                                        .stream()
+                                        .map(item -> idPrefix + item)
+                                        .collect(Collectors.toList());
+        Collections.sort(metricIDs);
+        Collections.sort(expectedIDs);
+
+        Assert.assertEquals(metricIDs, expectedIDs);
+    }
+
+    @Test
+    public void verifyTags() {
+        //TBD
+    }
+}