OpenTween.Tests/TestUtils.cs

   1 // OpenTween - Client of Twitter
   2 // Copyright (c) 2012 kim_upsilon (@kim_upsilon) <https://upsilo.net/~upsilon/>
   3 // All rights reserved.
   4 //
   5 // This file is part of OpenTween.
   6 //
   7 // This program is free software; you can redistribute it and/or modify it
   8 // under the terms of the GNU General Public License as published by the Free
   9 // Software Foundation; either version 3 of the License, or (at your option)
  10 // any later version.
  11 //
  12 // This program is distributed in the hope that it will be useful, but
  13 // WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
  14 // or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
  15 // for more details.
  16 //
  17 // You should have received a copy of the GNU General Public License along
  18 // with this program. If not, see <http://www.gnu.org/licenses/>, or write to
  19 // the Free Software Foundation, Inc., 51 Franklin Street - Fifth Floor,
  20 // Boston, MA 02110-1301, USA.
  21
  22 using System;
  23 using System.Collections.Generic;
  24 using System.ComponentModel;
  25 using System.Drawing;
  26 using System.Drawing.Imaging;
  27 using System.IO;
  28 using System.Linq;
  29 using System.Reflection;
  30 using System.Text;
  31 using System.Threading.Tasks;
  32 using System.Windows.Forms;
  33 using Xunit;
  34
  35 namespace OpenTween
  36 {
  37     internal static class TestUtils
  38     {
  39         public static void CheckDeepCloning(object obj, object cloneObj)
  40         {
  41             Assert.Equal(obj, cloneObj);
  42             Assert.NotSame(obj, cloneObj);
  43
  44             foreach (var field in obj.GetType().GetFields(BindingFlags.Instance | BindingFlags.Public | BindingFlags.NonPublic))
  45             {
  46                 var objValue = field.GetValue(obj);
  47                 var cloneValue = field.GetValue(cloneObj);
  48
  49                 Assert.Equal(objValue, cloneValue);
  50                 if (objValue == null && cloneValue == null) continue;
  51                 if (field.FieldType.IsValueType || field.FieldType == typeof(string)) continue;
  52
  53                 Assert.NotSame(objValue, cloneValue);
  54             }
  55         }
  56
  57         public static async Task NotRaisesAsync<T>(Action<EventHandler<T>> attach, Action<EventHandler<T>> detach, Func<Task> testCode)
  58             where T : EventArgs
  59         {
  60             T? raisedEvent = null;
  61
  62             void handler(object s, T e)
  63                 => raisedEvent = e;
  64
  65             try
  66             {
  67                 attach(handler);
  68                 await testCode().ConfigureAwait(false);
  69
  70                 if (raisedEvent != null)
  71                     throw new Xunit.Sdk.RaisesException(typeof(void), raisedEvent.GetType());
  72             }
  73             finally
  74             {
  75                 detach(handler);
  76             }
  77         }
  78
  79         public static void NotPropertyChanged(INotifyPropertyChanged @object, string propertyName, Action testCode)
  80         {
  81             void handler(object s, PropertyChangedEventArgs e)
  82             {
  83                 if (s == @object && e.PropertyName == propertyName)
  84                     throw new Xunit.Sdk.PropertyChangedException(propertyName);
  85             }
  86
  87             try
  88             {
  89                 @object.PropertyChanged += handler;
  90                 testCode();
  91             }
  92             finally
  93             {
  94                 @object.PropertyChanged -= handler;
  95             }
  96         }
  97
  98         public static MemoryImage CreateDummyImage()
  99         {
 100             using (var bitmap = new Bitmap(100, 100))
 101             using (var stream = new MemoryStream())
 102             {
 103                 bitmap.Save(stream, ImageFormat.Png);
 104                 stream.Position = 0;
 105
 106                 return MemoryImage.CopyFromStream(stream);
 107             }
 108         }
 109
 110         public static void FireEvent<T>(T control, string eventName) where T : Control
 111             => TestUtils.FireEvent(control, eventName, EventArgs.Empty);
 112
 113         public static void FireEvent<T>(T control, string eventName, EventArgs e) where T : Control
 114         {
 115             var methodName = "On" + eventName;
 116             var method = typeof(T).GetMethod(methodName, BindingFlags.Instance | BindingFlags.NonPublic);
 117
 118             method.Invoke(control, new[] { e });
 119         }
 120
 121         public static void Validate<T>(T control) where T : Control
 122         {
 123             var cancelEventArgs = new CancelEventArgs();
 124             TestUtils.FireEvent(control, "Validating", cancelEventArgs);
 125
 126             if (cancelEventArgs.Cancel)
 127                 return;
 128
 129             TestUtils.FireEvent(control, "Validated");
 130         }
 131     }
 132 }
 133
 134 namespace OpenTween.Setting
 135 {
 136     public class SettingManagerTest
 137     {
 138         public static SettingCommon Common
 139         {
 140             get => SettingManager.Common;
 141             set => SettingManager.Common = value;
 142         }
 143
 144         public static SettingLocal Local
 145         {
 146             get => SettingManager.Local;
 147             set => SettingManager.Local = value;
 148         }
 149
 150         public static SettingTabs Tabs
 151         {
 152             get => SettingManager.Tabs;
 153             set => SettingManager.Tabs = value;
 154         }
 155
 156         public static SettingAtIdList AtIdList
 157         {
 158             get => SettingManager.AtIdList;
 159             set => SettingManager.AtIdList = value;
 160         }
 161     }
 162 }