Joseph Doherty
513fa1aa16
Comment/XML-doc changes only: - add summaries to ~10k test methods, fixtures, fakes and helpers (+ <param> on theories, <returns> on async Task methods, <inheritdoc/> on interface implementations the checker can resolve) - strip ~2.6k project-tracking references (WP*, P*-*, row-NN, Task N, #NN, Component-0NN) from comments, keeping the explanatory text; reword false positives in comments only - real docs on fakes implementing BCL/library interfaces (IDisposable, ILogger, IOptionsMonitor, IAsyncLifetime) - reword the last 5 src/ false positives (CWE-1236, failures-1, year-0001, M365) Only non-comment edits: four one-line nested classes split across lines so members can carry docs. Build 0 errors / 0 warnings.
91 lines
3.5 KiB
C#
91 lines
3.5 KiB
C#
using Bunit;
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using ZB.MOM.WW.ScadaBridge.CentralUI.Components.Shared;
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namespace ZB.MOM.WW.ScadaBridge.CentralUI.Tests.Shared;
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/// <summary>
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/// Tests for T34b's <see cref="DarkModeToggle"/>. The component is pure
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/// JS-interop over <c>window.sbTheme</c> (theme.js): <c>sbTheme.get</c> reflects
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/// the persisted theme on first render and <c>sbTheme.toggle</c> flips it on
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/// click. The toggle carries the required a11y attributes
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/// (<c>aria-label="Toggle dark mode"</c> + <c>aria-pressed</c>).
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/// </summary>
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public class DarkModeToggleTests : BunitContext
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{
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/// <summary>Initializes the bUnit context with loose JavaScript interop for the dark mode toggle.</summary>
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public DarkModeToggleTests()
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{
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// Loose mode: unconfigured interop returns default. We configure the two
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// calls the component actually makes (get on first render, toggle on click).
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JSInterop.Mode = JSRuntimeMode.Loose;
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}
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/// <summary>Verifies that the toggle renders a button with the toggle dark mode aria label.</summary>
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[Fact]
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public void Renders_Button_WithToggleDarkModeAriaLabel()
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{
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JSInterop.Setup<string>("sbTheme.get").SetResult("light");
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var cut = Render<DarkModeToggle>();
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var button = cut.Find("button[aria-label='Toggle dark mode']");
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Assert.NotNull(button);
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}
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/// <summary>Verifies that a persisted light preference renders the button with aria-pressed false on first render.</summary>
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[Fact]
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public void OnFirstRender_PersistedLight_AriaPressedFalse()
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{
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// sbTheme.get returns light → button reflects light (aria-pressed=false,
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// moon glyph offering "switch to dark").
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JSInterop.Setup<string>("sbTheme.get").SetResult("light");
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var cut = Render<DarkModeToggle>();
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var button = cut.Find("button.sb-theme-toggle");
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Assert.Equal("false", button.GetAttribute("aria-pressed"));
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Assert.NotNull(cut.Find("i.bi-moon-stars"));
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}
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/// <summary>Verifies that a persisted dark preference renders the button with aria-pressed true on first render.</summary>
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[Fact]
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public void OnFirstRender_PersistedDark_AriaPressedTrue()
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{
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// sbTheme.get returns dark → button reflects dark (aria-pressed=true,
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// sun glyph offering "switch to light").
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JSInterop.Setup<string>("sbTheme.get").SetResult("dark");
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var cut = Render<DarkModeToggle>();
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cut.WaitForAssertion(() =>
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{
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var button = cut.Find("button.sb-theme-toggle");
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Assert.Equal("true", button.GetAttribute("aria-pressed"));
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Assert.NotNull(cut.Find("i.bi-sun"));
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});
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}
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/// <summary>Verifies that clicking the button invokes the toggle and reflects the new state.</summary>
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[Fact]
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public void Click_InvokesToggle_AndReflectsNewState()
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{
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// Start persisted-light; toggling returns "dark". The click handler must
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// invoke sbTheme.toggle and flip aria-pressed/glyph to the dark state.
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JSInterop.Setup<string>("sbTheme.get").SetResult("light");
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var toggle = JSInterop.Setup<string>("sbTheme.toggle").SetResult("dark");
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var cut = Render<DarkModeToggle>();
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cut.Find("button.sb-theme-toggle").Click();
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cut.WaitForAssertion(() =>
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{
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// The handler invoked sbTheme.toggle.
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Assert.Single(toggle.Invocations);
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var button = cut.Find("button.sb-theme-toggle");
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Assert.Equal("true", button.GetAttribute("aria-pressed"));
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Assert.NotNull(cut.Find("i.bi-sun"));
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});
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}
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}
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