/* Copyright (c) 2010 Google 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 com.google.wave.api.impl;

import static org.mockito.Matchers.any;
import static org.mockito.Matchers.eq;
import static org.mockito.Mockito.mock;
import static org.mockito.Mockito.when;

import com.google.gson.JsonDeserializationContext;
import com.google.gson.JsonElement;
import com.google.gson.JsonParser;
import com.google.gson.JsonPrimitive;
import com.google.wave.api.JsonRpcResponse;
import com.google.wave.api.JsonRpcConstant.ParamsProperty;

import junit.framework.TestCase;

import org.mockito.invocation.InvocationOnMock;
import org.mockito.stubbing.Answer;

/**
 * Test cases for {@link JsonRpcResponseGsonAdaptor}.
 */
public class JsonRpcResponseGsonAdaptorRobotTest extends TestCase {

  public void testDeserializeJsonRpcErrorResponse() throws Exception {
    String response = "{'id':'op1','error':{'message':'Not authorized!'}}";
    JsonElement jsonElement = new JsonParser().parse(response);

    JsonRpcResponseGsonAdaptor adaptor = new JsonRpcResponseGsonAdaptor();
    JsonRpcResponse result = adaptor.deserialize(jsonElement, null, null);
    assertTrue(result.isError());
    assertEquals("op1", result.getId());
    assertEquals("Not authorized!", result.getErrorMessage());
  }

  public void testDeserializeJsonRpcResponse() throws Exception {
    String response = "{'id':'op1','data':{'newBlipId':'blip1','unknown':'value'}}";
    JsonElement jsonElement = new JsonParser().parse(response);

    JsonDeserializationContext mockContext = mock(JsonDeserializationContext.class);
    when(mockContext.deserialize(any(JsonElement.class), eq(String.class))).thenAnswer(
        new Answer<String>() {
          public String answer(InvocationOnMock invocation) {
            return ((JsonPrimitive) (invocation.getArguments()[0])).getAsString();
          }
        });

    JsonRpcResponseGsonAdaptor adaptor = new JsonRpcResponseGsonAdaptor();
    JsonRpcResponse result = adaptor.deserialize(jsonElement, null, mockContext);
    assertFalse(result.isError());
    assertEquals("op1", result.getId());
    assertEquals(1, result.getData().size());
    assertEquals("blip1", result.getData().get(ParamsProperty.NEW_BLIP_ID));
  }
}