63 lines
2.2 KiB
C#
63 lines
2.2 KiB
C#
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using YKanBan.Storage.AppData;
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using YKanBan.ViewModels.Dialogs;
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namespace YKanBan.Tests.ViewModels;
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/// <summary>
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/// Tests for the settings dialog: the theme is previewed as soon as it is
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/// selected, saved on accept and restored on cancel.
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/// </summary>
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[TestClass]
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public class SettingsDialogViewModelTests
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{
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[TestMethod]
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public void OpeningTheDialogAppliesNothing()
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{
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var applied = new List<ThemeOption>();
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_ = new SettingsDialogViewModel(new AppConfig(), AppConfig.DefaultLanguage, applied.Add);
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Assert.AreEqual(0, applied.Count);
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}
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[TestMethod]
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public void SelectingAThemeAppliesItImmediatelyWithoutSavingIt()
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{
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var config = new AppConfig();
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var applied = new List<ThemeOption>();
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var dialog = new SettingsDialogViewModel(config, AppConfig.DefaultLanguage, applied.Add);
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dialog.SelectedTheme = dialog.Themes.Single(option => option.Value.Equals(ThemeOption.Dark));
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CollectionAssert.AreEqual(new[] { ThemeOption.Dark }, applied);
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Assert.AreEqual(ThemeOption.FollowSystem, config.Theme);
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}
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[TestMethod]
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public void AcceptSavesThePreviewedTheme()
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{
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var config = new AppConfig();
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var applied = new List<ThemeOption>();
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var dialog = new SettingsDialogViewModel(config, AppConfig.DefaultLanguage, applied.Add);
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dialog.SelectedTheme = dialog.Themes.Single(option => option.Value.Equals(ThemeOption.Light));
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dialog.Accept();
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Assert.AreEqual(ThemeOption.Light, config.Theme);
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CollectionAssert.AreEqual(new[] { ThemeOption.Light }, applied);
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}
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[TestMethod]
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public void CancelRestoresTheThemeTheDialogOpenedWith()
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{
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var config = new AppConfig { Theme = ThemeOption.Light };
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var applied = new List<ThemeOption>();
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var dialog = new SettingsDialogViewModel(config, AppConfig.DefaultLanguage, applied.Add);
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dialog.SelectedTheme = dialog.Themes.Single(option => option.Value.Equals(ThemeOption.Dark));
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dialog.Cancel();
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Assert.AreEqual(ThemeOption.Light, config.Theme);
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CollectionAssert.AreEqual(new[] { ThemeOption.Dark, ThemeOption.Light }, applied);
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}
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}
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