co.cask.cdap.internal.app.services.http.handlers.ConsoleSettingsHttpHandlerTest.java Source code

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Here is the source code for co.cask.cdap.internal.app.services.http.handlers.ConsoleSettingsHttpHandlerTest.java

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/*
 * Copyright  2015 Cask Data, Inc.
 *
 * 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 co.cask.cdap.internal.app.services.http.handlers;

import co.cask.cdap.gateway.handlers.ConsoleSettingsHttpHandler;
import co.cask.cdap.internal.app.services.http.AppFabricTestBase;
import com.google.common.collect.Maps;
import com.google.gson.Gson;
import com.google.gson.JsonElement;
import com.google.gson.JsonObject;
import com.google.gson.JsonParser;
import com.google.gson.reflect.TypeToken;
import org.apache.http.HttpResponse;
import org.apache.http.util.EntityUtils;
import org.jboss.netty.handler.codec.http.HttpResponseStatus;
import org.junit.Assert;
import org.junit.Test;

import java.lang.reflect.Type;
import java.util.Map;

/**
 * Tests for {@link ConsoleSettingsHttpHandler}
 */
public class ConsoleSettingsHttpHandlerTest extends AppFabricTestBase {
    private static final Gson GSON = new Gson();
    private static final Type MAP_STRING_STRING_TYPE = new TypeToken<Map<String, String>>() {
    }.getType();

    @Test
    public void testSettings() throws Exception {
        //Check if settings are empty
        Map<String, String> propMap = Maps.newHashMap();
        JsonObject emptyElement = getProperty(200).getAsJsonObject();
        Assert.assertEquals(2, emptyElement.entrySet().size());
        Assert.assertEquals(propMap, GSON.fromJson(emptyElement.get("property"), MAP_STRING_STRING_TYPE));

        //Put some settings and verify if its persisted
        propMap.put("k1", "43242!@#!@#");
        propMap.put("@##@!#", "v2131231!@#!");
        putProperty(propMap, 200);
        JsonObject jsonObject = getProperty(200).getAsJsonObject();
        Assert.assertEquals(2, jsonObject.entrySet().size());
        Assert.assertEquals(propMap, GSON.fromJson(jsonObject.get("property"), MAP_STRING_STRING_TYPE));

        //Delete the settings and verify that its empty
        propMap.clear();
        deleteProperty(200);
        jsonObject = getProperty(200).getAsJsonObject();
        Assert.assertEquals(2, jsonObject.entrySet().size());
        Assert.assertEquals(propMap, GSON.fromJson(jsonObject.get("property"), MAP_STRING_STRING_TYPE));
    }

    private void putProperty(Map<String, String> props, int expectedStatus) throws Exception {
        HttpResponse response = doPut("/v3/configuration/user", GSON.toJson(props));
        Assert.assertEquals(expectedStatus, response.getStatusLine().getStatusCode());
    }

    private JsonElement getProperty(int expectedStatus) throws Exception {
        HttpResponse response = doGet("/v3/configuration/user");
        Assert.assertEquals(expectedStatus, response.getStatusLine().getStatusCode());
        if (expectedStatus == HttpResponseStatus.OK.getCode()) {
            String jsonData = EntityUtils.toString(response.getEntity());
            return new JsonParser().parse(jsonData);
        }
        return null;
    }

    private void deleteProperty(int expectedStatus) throws Exception {
        HttpResponse response = doDelete("/v3/configuration/user");
        Assert.assertEquals(expectedStatus, response.getStatusLine().getStatusCode());
    }
}