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

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Here is the source code for com.rackspacecloud.blueflood.outputs.handlers.HttpRollupsQueryHandlerIntegrationTest.java

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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.common.base.Strings;
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.Test;

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

import static org.junit.Assert.*;

/**
 * Integration Tests for GET .../views/:metricName (aka Singleplot views)
 */
public class HttpRollupsQueryHandlerIntegrationTest extends HttpIntegrationTestBase {

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

    @Test
    public void testHttpRollupsQueryHandler() throws Exception {

        String postfix = getPostfix();

        // ingest and rollup metrics with enum values and verify CF points and elastic search indexes
        final String metric_name = "3333333.G1s" + postfix;

        // 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 = getSingleMetricRetry(tenant_id, metric_name, start, end, "", "FULL", "");

        assertNotNull("No values for " + metric_name + " found", responseObject);

        assertEquals("unknown", responseObject.get("unit").getAsString());

        JsonArray values = responseObject.getAsJsonArray("values");
        assertEquals(1, values.size());

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

        JsonObject meta = responseObject.get("metadata").getAsJsonObject();
        assertTrue(meta.get("limit").isJsonNull());
        assertTrue(meta.get("next_href").isJsonNull());
        assertEquals(1, meta.get("count").getAsInt());
        assertTrue(meta.get("marker").isJsonNull());

        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 metric_name
     * @param start
     * @param end
     * @param points
     * @param resolution
     * @param select
     * @return
     * @throws URISyntaxException
     * @throws IOException
     * @throws InterruptedException
     */
    private JsonObject getSingleMetricRetry(String tenant_id, String metric_name, long start, long end,
            String points, String resolution, String select)
            throws URISyntaxException, IOException, InterruptedException {

        for (int i = 0; i < 10; i++) {
            // query for multiplot metric and assert results
            HttpResponse query_response = querySingleplot(tenant_id, metric_name, start, end, points, resolution,
                    select);
            assertEquals("Should get status 200 from query server for single view GET", 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();

            JsonArray arrayValues = responseObject.getAsJsonArray("values");
            if (arrayValues.size() == 1) {
                return responseObject;
            }

            System.out.println(String.format("Data for metric %s is not found, sleeping and retrying, payload: %s",
                    metric_name, responseContent));
            Thread.currentThread().sleep(5000);

        }
        return null;
    }
}