/**
* 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
* under the License.
*/
package org.apache.cxf.jaxrs.provider.jsrjsonp;
import java.io.ByteArrayInputStream;
import java.io.ByteArrayOutputStream;
import java.io.IOException;
import java.io.StringWriter;
import javax.json.Json;
import javax.json.JsonArray;
import javax.json.JsonObject;
import javax.json.JsonStructure;
import javax.json.JsonValue;
import javax.ws.rs.WebApplicationException;
import javax.ws.rs.core.Response;
import org.junit.Assert;
import org.junit.Before;
import org.junit.Test;
import static org.hamcrest.CoreMatchers.equalTo;
import static org.hamcrest.CoreMatchers.instanceOf;
public class JsrJsonpProviderTest extends Assert {
private JsrJsonpProvider provider;
@Before
public void setUp() {
provider = new JsrJsonpProvider();
}
@Test(expected = IOException.class)
public void testReadWithNullStream() throws Exception {
provider.readFrom(JsonStructure.class, null, null, null, null, null);
}
@Test
public void testGetSizeReturnsMinusOne() throws Exception {
assertThat(provider.getSize(null, JsonStructure.class, null, null, null),
equalTo(-1L));
}
@Test
public void testReadableTypes() throws Exception {
assertThat(provider.isReadable(JsonArray.class, null, null, null),
equalTo(true));
assertThat(provider.isReadable(JsonStructure.class, null, null, null),
equalTo(true));
assertThat(provider.isReadable(JsonObject.class, null, null, null),
equalTo(true));
assertThat(provider.isReadable(JsonValue.class, null, null, null),
equalTo(false));
}
@Test
public void testWritableTypes() throws Exception {
assertThat(provider.isWriteable(JsonArray.class, null, null, null),
equalTo(true));
assertThat(provider.isWriteable(JsonStructure.class, null, null, null),
equalTo(true));
assertThat(provider.isWriteable(JsonObject.class, null, null, null),
equalTo(true));
assertThat(provider.isWriteable(JsonValue.class, null, null, null),
equalTo(false));
}
@Test(expected = IOException.class)
public void testWriteWithNullStream() throws Exception {
final JsonObject obj = Json.createObjectBuilder()
.add("firstName", "Tom")
.add("lastName", "Tommyknocker")
.build();
provider.writeTo(obj, JsonObject.class, null, null, null, null, null);
}
@Test
public void testReadMalformedJson() throws Exception {
byte[] bytes = "junk".getBytes();
try {
provider.readFrom(JsonStructure.class, null, null, null, null,
new ByteArrayInputStream(bytes));
fail("400 BAD REQUEST is expected");
} catch (WebApplicationException ex) {
assertThat(ex.getResponse().getStatus(),
equalTo(Response.Status.BAD_REQUEST.getStatusCode()));
}
}
@Test
public void testReadJsonObject() throws Exception {
final StringWriter writer = new StringWriter();
Json.createGenerator(writer)
.writeStartObject()
.write("firstName", "Tom")
.write("lastName", "Tommyknocker")
.writeEnd()
.close();
final String str = writer.toString();
writer.close();
final JsonStructure obj = provider.readFrom(JsonStructure.class, null, null, null, null,
new ByteArrayInputStream(str.getBytes()));
assertThat(obj, instanceOf(JsonObject.class));
assertThat(((JsonObject)obj).getString("firstName"), equalTo("Tom"));
assertThat(((JsonObject)obj).getString("lastName"), equalTo("Tommyknocker"));
}
@Test
public void testReadJsonArray() throws Exception {
final StringWriter writer = new StringWriter();
Json.createGenerator(writer)
.writeStartArray()
.write("Tom")
.write("Tommyknocker")
.writeEnd()
.close();
final JsonStructure obj = provider.readFrom(JsonStructure.class, null, null, null, null,
new ByteArrayInputStream(writer.toString().getBytes()));
assertThat(obj, instanceOf(JsonArray.class));
assertThat(((JsonArray)obj).getString(0), equalTo("Tom"));
assertThat(((JsonArray)obj).getString(1), equalTo("Tommyknocker"));
assertThat(((JsonArray)obj).size(), equalTo(2));
}
@Test
public void testWriteJsonObject() throws Exception {
final JsonObject obj = Json.createObjectBuilder()
.add("firstName", "Tom")
.add("lastName", "Tommyknocker")
.build();
final ByteArrayOutputStream out = new ByteArrayOutputStream();
provider.writeTo(obj, JsonStructure.class, null, null, null, null, out);
out.close();
assertThat(new String(out.toByteArray()),
equalTo("{\"firstName\":\"Tom\",\"lastName\":\"Tommyknocker\"}"));
}
@Test
public void testWriteJsonArray() throws Exception {
final JsonArray obj = Json.createArrayBuilder()
.add(
Json.createObjectBuilder()
.add("firstName", "Tom")
.add("lastName", "Tommyknocker")
)
.add(
Json.createObjectBuilder()
.add("firstName", "Bob")
.add("lastName", "Bobbyknocker")
)
.build();
final ByteArrayOutputStream out = new ByteArrayOutputStream();
provider.writeTo(obj, JsonStructure.class, null, null, null, null, out);
out.close();
assertThat(new String(out.toByteArray()),
equalTo("[{\"firstName\":\"Tom\",\"lastName\":\"Tommyknocker\"},"
+ "{\"firstName\":\"Bob\",\"lastName\":\"Bobbyknocker\"}]"));
}
}