// Copyright 2016 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#import <XCTest/XCTest.h>

#include "base/strings/sys_string_conversions.h"
#include "components/strings/grit/components_strings.h"
#import "ios/chrome/test/earl_grey/chrome_earl_grey.h"
#import "ios/chrome/test/earl_grey/chrome_matchers.h"
#import "ios/chrome/test/earl_grey/chrome_test_case.h"
#import "ios/web/public/test/http_server.h"
#import "ios/web/public/test/http_server_util.h"

#if !defined(__has_feature) || !__has_feature(objc_arc)
#error "This file requires ARC support."
#endif

// Tests for tab history popup.
@interface TabHistoryPopupControllerTestCase : ChromeTestCase
@end

@implementation TabHistoryPopupControllerTestCase

// Test that the tab history back and forward menus contain the expected entries
// for a series of navigations, and that tapping entries performs the
// appropriate navigation.
- (void)testTabHistoryMenu {
  const GURL URL1 = web::test::HttpServer::MakeUrl("http://page1");
  const GURL URL2 = web::test::HttpServer::MakeUrl("http://page2");
  const GURL URL3 = web::test::HttpServer::MakeUrl("http://page3");
  const GURL URL4 = web::test::HttpServer::MakeUrl("http://page4");
  NSString* entry0 = @"New Tab";
  NSString* entry1 = base::SysUTF8ToNSString(URL1.spec());
  NSString* entry2 = base::SysUTF8ToNSString(URL2.spec());
  NSString* entry3 = base::SysUTF8ToNSString(URL3.spec());
  NSString* entry4 = base::SysUTF8ToNSString(URL4.spec());

  // Create map of canned responses and set up the test HTML server.
  std::map<GURL, std::string> responses;
  responses[URL1] = "page1";
  responses[URL2] = "page2";
  responses[URL3] = "page3";
  responses[URL4] = "page4";
  web::test::SetUpSimpleHttpServer(responses);

  // Load 4 pages.
  [ChromeEarlGrey loadURL:URL1];
  [ChromeEarlGrey loadURL:URL2];
  [ChromeEarlGrey loadURL:URL3];
  [ChromeEarlGrey loadURL:URL4];

  // Long press on back button.
  [[EarlGrey
      selectElementWithMatcher:chrome_test_util::ButtonWithAccessibilityLabelId(
                                   IDS_ACCNAME_BACK)]
      performAction:grey_longPress()];

  // Check that the first four entries are shown the back tab history menu.
  [[EarlGrey selectElementWithMatcher:grey_text(entry0)]
      assertWithMatcher:grey_notNil()];
  [[EarlGrey selectElementWithMatcher:grey_text(entry1)]
      assertWithMatcher:grey_notNil()];
  [[EarlGrey selectElementWithMatcher:grey_text(entry2)]
      assertWithMatcher:grey_notNil()];
  [[EarlGrey selectElementWithMatcher:grey_text(entry3)]
      assertWithMatcher:grey_notNil()];

  // Tap entry to go back 3 pages, and verify that entry 1 is loaded.
  [[EarlGrey selectElementWithMatcher:grey_text(entry1)]
      performAction:grey_tap()];
  [[EarlGrey
      selectElementWithMatcher:chrome_test_util::OmniboxText(URL1.GetContent())]
      assertWithMatcher:grey_notNil()];

  // Long press forward button.
  [[EarlGrey
      selectElementWithMatcher:chrome_test_util::ButtonWithAccessibilityLabelId(
                                   IDS_ACCNAME_FORWARD)]
      performAction:grey_longPress()];

  // Check that entries 2, 3, and 4 are in the forward tab history menu.
  [[EarlGrey selectElementWithMatcher:grey_text(entry2)]
      assertWithMatcher:grey_notNil()];
  [[EarlGrey selectElementWithMatcher:grey_text(entry3)]
      assertWithMatcher:grey_notNil()];
  [[EarlGrey selectElementWithMatcher:grey_text(entry4)]
      assertWithMatcher:grey_notNil()];
  // Tap entry to go forward 2 pages, and verify that entry 3 is loaded.
  [[EarlGrey selectElementWithMatcher:grey_text(entry3)]
      performAction:grey_tap()];
  [[EarlGrey
      selectElementWithMatcher:chrome_test_util::OmniboxText(URL3.GetContent())]
      assertWithMatcher:grey_notNil()];
}

@end