com.rackspacecloud.blueflood.outputs.handlers.HttpMultiRollupsQueryHandlerIntegrationTest.java Source code

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/*
 * Copyright 2013-2016 Rackspace
 *
 *    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 com.rackspacecloud.blueflood.outputs.handlers;

import com.google.gson.JsonArray;
import com.google.gson.JsonObject;
import com.google.gson.JsonParser;
import com.rackspacecloud.blueflood.http.HttpIntegrationTestBase;
import org.apache.http.HttpResponse;
import org.apache.http.util.EntityUtils;
import org.junit.Ignore;
import org.junit.Test;

import java.io.IOException;
import java.net.URISyntaxException;
import java.util.*;

import static org.junit.Assert.*;
import static org.junit.Assert.assertEquals;

/**
 * Integration Tests for POST .../views (aka Multiplot views)
 */
public class HttpMultiRollupsQueryHandlerIntegrationTest extends HttpIntegrationTestBase {

    private final long TIME_DIFF = 2000;
    private final String tenant_id = "333333";
    private long start = System.currentTimeMillis() - TIME_DIFF;
    private long end = System.currentTimeMillis() + TIME_DIFF;

    @Test
    public void testHttpMultiRollupsQueryHandler() throws Exception {
        // ingest and rollup metrics and verify CF points and elastic search indexes
        String postfix = getPostfix();

        // post multi metrics for ingestion and verify
        HttpResponse response = postMetric(tenant_id, postAggregatedPath, "sample_payload.json", postfix);
        assertEquals("Should get status 200 from ingestion server for POST", 200,
                response.getStatusLine().getStatusCode());
        EntityUtils.consume(response.getEntity());

        JsonObject responseObject = getMultiMetricRetry(tenant_id, start, end, "200", "FULL", "",
                "['3333333.G1s" + postfix + "','3333333.G10s" + postfix + "']", 2);

        assertNotNull("No values for metrics found", responseObject);

        JsonArray metrics = responseObject.getAsJsonArray("metrics");
        assertEquals(2, metrics.size());

        Map<String, JsonObject> metricMap = new HashMap<String, JsonObject>();
        JsonObject metric0 = metrics.get(0).getAsJsonObject();
        metricMap.put(metric0.get("metric").getAsString(), metric0);

        JsonObject metric1 = metrics.get(1).getAsJsonObject();
        metricMap.put(metric1.get("metric").getAsString(), metric1);

        JsonObject metricCheck1 = metricMap.get("3333333.G1s" + postfix);
        assertNotNull(metricCheck1);

        assertEquals("unknown", metricCheck1.get("unit").getAsString());
        assertEquals("number", metricCheck1.get("type").getAsString());
        JsonArray data0 = metricCheck1.getAsJsonArray("data");
        assertEquals(1, data0.size());

        JsonObject data0a = data0.get(0).getAsJsonObject();
        assertTrue(data0a.has("timestamp"));
        assertEquals(1, data0a.get("numPoints").getAsInt());
        assertEquals(397, data0a.get("latest").getAsInt());

        JsonObject metricCheck2 = metricMap.get("3333333.G10s" + postfix);
        assertNotNull(metricCheck2);

        assertEquals("unknown", metricCheck2.get("unit").getAsString());
        assertEquals("number", metricCheck2.get("type").getAsString());

        JsonArray data1 = metricCheck2.getAsJsonArray("data");
        assertEquals(1, data1.size());

        JsonObject data1a = data1.get(0).getAsJsonObject();
        assertTrue(data1a.has("timestamp"));
        assertEquals(1, data1a.get("numPoints").getAsInt());
        assertEquals(56, data1a.get("latest").getAsInt());

        assertResponseHeaderAllowOrigin(response);
    }

    /**
     *
     * On Travis we had runs fails because even though the query returns 200, no metric values are on in the response.
     *
     * We aren't sure what's going on as we can't reproduce this locally.
     *
     * @param tenant_id
     * @param start
     * @param end
     * @param points
     * @param resolution
     * @param select
     * @param metricNames
     * @param size
     * @return
     * @throws InterruptedException
     * @throws IOException
     * @throws URISyntaxException
     */
    private JsonObject getMultiMetricRetry(String tenant_id, long start, long end, String points, String resolution,
            String select, String metricNames, int size)
            throws InterruptedException, IOException, URISyntaxException {

        for (int i = 0; i < 10; i++) {

            // query for multiplot metric and assert results
            HttpResponse query_response = queryMultiplot(tenant_id, start, end, points, resolution, select,
                    metricNames);
            assertEquals("Should get status 200 from query server for multiplot POST", 200,
                    query_response.getStatusLine().getStatusCode());

            // assert response content
            String responseContent = EntityUtils.toString(query_response.getEntity(), "UTF-8");

            JsonParser jsonParser = new JsonParser();
            JsonObject responseObject = jsonParser.parse(responseContent).getAsJsonObject();

            if (responseObject.getAsJsonArray("metrics").size() == size)
                return responseObject;

            Thread.currentThread().sleep(5000);
        }

        return null;
    }
}