HttpCommonsTest.java

/*
 * Copyright (C) 2014 Stefan Niederhauser (nidin@gmx.ch)
 *
 * 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 guru.nidi.ramltester;

import guru.nidi.ramltester.httpcomponents.RamlHttpClient;
import guru.nidi.ramltester.junit.ExpectedUsage;
import guru.nidi.ramltester.util.ServerTest;
import org.apache.catalina.Context;
import org.apache.catalina.startup.Tomcat;
import org.apache.http.HttpResponse;
import org.apache.http.HttpStatus;
import org.apache.http.client.methods.HttpGet;
import org.apache.http.client.methods.HttpPut;
import org.apache.http.util.EntityUtils;
import org.junit.ClassRule;
import org.junit.Test;

import java.io.IOException;

import static guru.nidi.ramltester.junit.RamlMatchers.checks;
import static guru.nidi.ramltester.util.TestUtils.violations;
import static org.junit.Assert.*;

/**
 *
 */
public class HttpCommonsTest extends ServerTest {
    private static final SimpleReportAggregator aggregator = new SimpleReportAggregator();

    private static RamlHttpClient client = RamlLoaders
            .fromClasspath(SimpleTest.class).load("httpCommons.raml")
            .assumingBaseUri("http://nidi.guru/raml/v1")
            .createHttpClient()
            .aggregating(aggregator);

    @ClassRule
    public static final ExpectedUsage expectedUsage = new ExpectedUsage(aggregator);

    @Test
    public void testServletOk() throws IOException {
        final HttpGet get = new HttpGet(url("base/data"));
        final HttpResponse response = client.execute(get);
        assertEquals("\"json string\"", EntityUtils.toString(response.getEntity()));
        assertTrue(client.getLastReport().isEmpty());
    }

    @Test
    public void testServletNok() throws IOException {
        final HttpGet get = new HttpGet(url("base/data?param=bu"));
        final HttpResponse response = client.execute(get);
        assertEquals("illegal json", EntityUtils.toString(response.getEntity()));

        assertEquals(violations("Query parameter 'param' on action(GET /base/data) is not defined"),
                client.getLastReport().getRequestViolations());

        assertEquals(violations("Body does not match schema for action(GET /base/data) response(200) mime-type('application/json')\n" +
                        "Content: illegal json\n" +
                        "Messages:\n- Schema invalid: Unrecognized token 'illegal': was expecting ('true', 'false' or 'null')\n" +
                        " at [Source: Body; line: 1, column: 8]"),
                client.getLastReport().getResponseViolations());
    }

    @Test
    public void notSending() throws IOException {
        final HttpGet get = new HttpGet(url("base/data"));
        final HttpResponse response = client.notSending().execute(get);
        assertEquals(HttpStatus.SC_NO_CONTENT, response.getStatusLine().getStatusCode());
        assertEquals(null, response.getEntity());
        assertTrue(client.getLastReport().isEmpty());
    }

    @Test
    public void emptyResponse() throws IOException {
        final HttpGet get = new HttpGet(url("base/data?empty"));
        final HttpResponse response = client.execute(get);
        assertEquals(HttpStatus.SC_NO_CONTENT, response.getStatusLine().getStatusCode());
        assertEquals(null, response.getEntity());
        assertTrue(client.getLastReport().isEmpty());
    }

    @Test
    public void emptyPostRequest() throws IOException {
        final HttpPut put = new HttpPut(url("base"));
        client.execute(put);
        assertThat(client.getLastReport(), checks());
    }

    @Override
    protected void init(Context ctx) {
        Tomcat.addServlet(ctx, "app", new TestServlet());
        ctx.addServletMapping("/*", "app");
    }
}