fit/src/test/java/org/apache/olingo/fit/tecsvc/http/BasicHttpITCase.java

/*
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements. See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership. The ASF licenses this file
 * to you 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
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package org.apache.olingo.fit.tecsvc.http;

import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertNull;
import static org.junit.Assert.assertTrue;

import java.net.HttpURLConnection;
import java.net.URL;

import org.apache.commons.io.IOUtils;
import org.apache.olingo.client.api.ODataClient;
import org.apache.olingo.commons.api.format.ContentType;
import org.apache.olingo.commons.api.http.HttpHeader;
import org.apache.olingo.commons.api.http.HttpMethod;
import org.apache.olingo.commons.api.http.HttpStatusCode;
import org.apache.olingo.fit.AbstractBaseTestITCase;
import org.apache.olingo.fit.tecsvc.TecSvcConst;
import org.junit.Test;

public class BasicHttpITCase extends AbstractBaseTestITCase {

  private static final String SERVICE_URI = TecSvcConst.BASE_URI + "/";

  @Test
  public void testHeadMethodOnServiceDocument() throws Exception {
    URL url = new URL(SERVICE_URI);

    HttpURLConnection connection = (HttpURLConnection) url.openConnection();
    connection.setRequestMethod(HttpMethod.HEAD.name());
    connection.setRequestProperty(HttpHeader.ACCEPT, "application/json");
    connection.connect();

    assertEquals(HttpStatusCode.OK.getStatusCode(), connection.getResponseCode());
    assertNull(connection.getHeaderField(HttpHeader.CONTENT_TYPE));
    assertEquals("", IOUtils.toString(connection.getInputStream()));
    connection.disconnect();
  }
  
  @Test
  public void testHeadMethodOnMetadataDocument() throws Exception {
    URL url = new URL(SERVICE_URI + "$metadata");

    HttpURLConnection connection = (HttpURLConnection) url.openConnection();
    connection.setRequestMethod(HttpMethod.HEAD.name());
    connection.setRequestProperty(HttpHeader.ACCEPT, "application/xml");
    connection.connect();

    assertEquals(HttpStatusCode.OK.getStatusCode(), connection.getResponseCode());
    assertNull(connection.getHeaderField(HttpHeader.CONTENT_TYPE));
    assertEquals("", IOUtils.toString(connection.getInputStream()));
    connection.disconnect();
  }

  @Test
  public void testFormat() throws Exception {
    URL url = new URL(SERVICE_URI + "?$format=json");

    HttpURLConnection connection = (HttpURLConnection) url.openConnection();
    connection.setRequestMethod(HttpMethod.GET.name());
    connection.connect();

    assertEquals(HttpStatusCode.OK.getStatusCode(), connection.getResponseCode());
    assertEquals(ContentType.JSON, ContentType.create(connection.getHeaderField(HttpHeader.CONTENT_TYPE)));
  }

  @Test
  public void testAccept() throws Exception {
    URL url = new URL(SERVICE_URI);

    HttpURLConnection connection = (HttpURLConnection) url.openConnection();

    connection.setRequestMethod(HttpMethod.GET.name());
    connection.setRequestProperty(HttpHeader.ACCEPT, "application/json;q=0.2;odata.metadata=minimal");

    connection.connect();

    assertEquals(HttpStatusCode.OK.getStatusCode(), connection.getResponseCode());
    assertEquals(ContentType.JSON, ContentType.create(connection.getHeaderField(HttpHeader.CONTENT_TYPE)));
  }

  @Test
  public void testAcceptSimple() throws Exception {
    URL url = new URL(SERVICE_URI);

    HttpURLConnection connection = (HttpURLConnection) url.openConnection();

    connection.setRequestMethod(HttpMethod.GET.name());
    connection.setRequestProperty(HttpHeader.ACCEPT, "application/json");

    connection.connect();

    assertEquals(HttpStatusCode.OK.getStatusCode(), connection.getResponseCode());
    assertEquals(ContentType.JSON, ContentType.create(connection.getHeaderField(HttpHeader.CONTENT_TYPE)));
  }

  @Test
  public void testAcceptCharset() throws Exception {
    URL url = new URL(SERVICE_URI);

    HttpURLConnection connection = (HttpURLConnection) url.openConnection();

    connection.setRequestMethod(HttpMethod.GET.name());
    connection.setRequestProperty(HttpHeader.ACCEPT, "application/json;q=0.2;odata.metadata=minimal;charset=utf-8");

    connection.connect();

    assertEquals(HttpStatusCode.OK.getStatusCode(), connection.getResponseCode());
    assertEquals(ContentType.create(ContentType.JSON, ContentType.PARAMETER_CHARSET, "utf-8"),
        ContentType.create(connection.getHeaderField(HttpHeader.CONTENT_TYPE)));
  }

  @Test
  public void testODataMaxVersion() throws Exception {
    URL url = new URL(SERVICE_URI);

    HttpURLConnection connection = (HttpURLConnection) url.openConnection();

    connection.setRequestMethod(HttpMethod.GET.name());
    connection.setRequestProperty(HttpHeader.ODATA_MAX_VERSION, "4.0");
    connection.setRequestProperty(HttpHeader.ACCEPT, "*/*");

    connection.connect();

    assertEquals(HttpStatusCode.OK.getStatusCode(), connection.getResponseCode());
    assertEquals("4.0", connection.getHeaderField(HttpHeader.ODATA_VERSION));
  }

  @Test
  public void testIEEE754ParameterContentNegotiation() throws Exception {
    final URL url = new URL(SERVICE_URI + "ESAllPrim(32767)?$format=application/json;IEEE754Compatible=true");
    final HttpURLConnection connection = (HttpURLConnection) url.openConnection();
    connection.setRequestMethod(HttpMethod.GET.name());
    connection.setRequestProperty(HttpHeader.ACCEPT, "application/json;IEEE754Compatible=false");
    connection.connect();

    assertEquals(HttpStatusCode.OK.getStatusCode(), connection.getResponseCode());
    assertEquals(ContentType.create(ContentType.JSON, ContentType.PARAMETER_IEEE754_COMPATIBLE, "true"),
        ContentType.create(connection.getContentType()));
    final String content = IOUtils.toString(connection.getInputStream());

    assertTrue(content.contains("\"PropertyDecimal\":\"34\""));
    assertTrue(content.contains("\"PropertyInt64\":\"9223372036854775807\""));
  }

  @Test
  public void testIEEE754ParameterViaAcceptHeader() throws Exception {
    final URL url = new URL(SERVICE_URI + "ESAllPrim(32767)");
    final HttpURLConnection connection = (HttpURLConnection) url.openConnection();
    connection.setRequestMethod(HttpMethod.GET.name());
    connection.setRequestProperty(HttpHeader.ACCEPT, "application/json;IEEE754Compatible=true");
    connection.connect();

    assertEquals(HttpStatusCode.OK.getStatusCode(), connection.getResponseCode());
    assertEquals(ContentType.create(ContentType.JSON, ContentType.PARAMETER_IEEE754_COMPATIBLE, "true"),
        ContentType.create(connection.getContentType()));
    final String content = IOUtils.toString(connection.getInputStream());

    assertTrue(content.contains("\"PropertyDecimal\":\"34\""));
    assertTrue(content.contains("\"PropertyInt64\":\"9223372036854775807\""));
  }

  @Override
  protected ODataClient getClient() {
    return null;
  }

}