// Copyright 2012 The Closure Library Authors. All Rights Reserved.
//
// 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.

goog.provide('goog.net.XhrManagerTest');
goog.setTestOnly('goog.net.XhrManagerTest');

goog.require('goog.events');
goog.require('goog.net.EventType');
goog.require('goog.net.XhrIo');
goog.require('goog.net.XhrManager');
goog.require('goog.testing.jsunit');
goog.require('goog.testing.net.XhrIoPool');
goog.require('goog.testing.recordFunction');


/** @type {goog.net.XhrManager} */
var xhrManager;


/** @type {goog.testing.net.XhrIo} */
var xhrIo;


function setUp() {
  xhrManager = new goog.net.XhrManager();
  xhrManager.xhrPool_ = new goog.testing.net.XhrIoPool();
  xhrIo = xhrManager.xhrPool_.getXhr();
}


function tearDown() {
  goog.dispose(xhrManager);
}


function testGetOutstandingRequestIds() {
  assertArrayEquals(
      'No outstanding requests', [], xhrManager.getOutstandingRequestIds());

  xhrManager.send('test1', '/test1');
  assertArrayEquals(
      'Single outstanding request', ['test1'],
      xhrManager.getOutstandingRequestIds());

  xhrManager.send('test2', '/test2');
  assertArrayEquals(
      'Two outstanding requests', ['test1', 'test2'],
      xhrManager.getOutstandingRequestIds());

  xhrIo.simulateResponse(200, 'data');
  assertArrayEquals(
      'Single outstanding request', ['test2'],
      xhrManager.getOutstandingRequestIds());

  xhrIo.simulateResponse(200, 'data');
  assertArrayEquals(
      'No outstanding requests', [], xhrManager.getOutstandingRequestIds());
}


function testForceAbortQueuedRequest() {
  xhrManager.send('test', '/test');
  xhrManager.send('queued', '/queued');

  assertNotThrows(
      'Forced abort of queued request should not throw an error',
      goog.bind(xhrManager.abort, xhrManager, 'queued', true));

  assertNotThrows(
      'Forced abort of normal request should not throw an error',
      goog.bind(xhrManager.abort, xhrManager, 'test', true));
}


function testDefaultResponseType() {
  var callback = goog.testing.recordFunction(function(e) {
    assertEquals('test1', e.id);
    assertEquals(
        goog.net.XhrIo.ResponseType.DEFAULT, e.xhrIo.getResponseType());
    eventCalled = true;
  });
  goog.events.listenOnce(xhrManager, goog.net.EventType.READY, callback);
  xhrManager.send('test1', '/test2');
  assertEquals(1, callback.getCallCount());

  xhrIo.simulateResponse(200, 'data');  // Do this to make tearDown() happy.
}


function testNonDefaultResponseType() {
  var callback = goog.testing.recordFunction(function(e) {
    assertEquals('test2', e.id);
    assertEquals(
        goog.net.XhrIo.ResponseType.ARRAY_BUFFER, e.xhrIo.getResponseType());
    eventCalled = true;
  });
  goog.events.listenOnce(xhrManager, goog.net.EventType.READY, callback);
  xhrManager.send(
      'test2', '/test2', undefined /* opt_method */,
      undefined /* opt_content */, undefined /* opt_headers */,
      undefined /* opt_priority */, undefined /* opt_callback */,
      undefined /* opt_maxRetries */, goog.net.XhrIo.ResponseType.ARRAY_BUFFER);
  assertEquals(1, callback.getCallCount());

  xhrIo.simulateResponse(200, 'data');  // Do this to make tearDown() happy.
}