feat(centralui): DateTimeRangeFilter reusable from/to input component (T35c)

2026-06-18 19:39:05 -04:00
parent 7b41c2c202
commit 9ee21205d6
2 changed files with 144 additions and 0 deletions
@@ -0,0 +1,87 @@
+using Bunit;
+using Microsoft.AspNetCore.Components;
+using ZB.MOM.WW.ScadaBridge.CentralUI.Components.Shared;
+
+namespace ZB.MOM.WW.ScadaBridge.CentralUI.Tests.Shared;
+
+/// <summary>
+/// Component tests for <see cref="DateTimeRangeFilter"/> — the reusable from/to
+/// datetime-local input pair.  The component is INPUT-ONLY: it emits raw
+/// DateTime? (Unspecified kind); UTC conversion is the page's responsibility.
+/// </summary>
+public class DateTimeRangeFilterTests : BunitContext
+{
+    [Fact]
+    public void Renders_TwoInputs_WithPrefixedIdsAndTestHooks()
+    {
+        var cut = Render<DateTimeRangeFilter>(ps => ps
+            .Add(p => p.IdPrefix, "sc"));
+
+        var fromInput = cut.Find("[data-test='sc-from']");
+        var toInput   = cut.Find("[data-test='sc-to']");
+
+        Assert.Equal("datetime-local", fromInput.GetAttribute("type"));
+        Assert.Equal("datetime-local", toInput.GetAttribute("type"));
+        Assert.Equal("sc-from", fromInput.GetAttribute("id"));
+        Assert.Equal("sc-to",   toInput.GetAttribute("id"));
+    }
+
+    [Fact]
+    public void RendersLabels()
+    {
+        var cut = Render<DateTimeRangeFilter>(ps => ps
+            .Add(p => p.FromLabel, "Start")
+            .Add(p => p.ToLabel,   "End"));
+
+        cut.Find("label[for='dtr-from']");   // default IdPrefix = "dtr"
+        cut.Find("label[for='dtr-to']");
+
+        Assert.Contains("Start", cut.Markup);
+        Assert.Contains("End",   cut.Markup);
+    }
+
+    [Fact]
+    public void SettingFromInput_InvokesFromChanged_WithParsedValue()
+    {
+        DateTime? captured = default;
+        var cut = Render<DateTimeRangeFilter>(ps => ps
+            .Add(p => p.IdPrefix, "sc")
+            .Add(p => p.FromChanged,
+                EventCallback.Factory.Create<DateTime?>(this, v => captured = v)));
+
+        cut.Find("[data-test='sc-from']").Change("2026-06-01T08:30");
+
+        Assert.NotNull(captured);
+        Assert.Equal(2026, captured!.Value.Year);
+        Assert.Equal(6,    captured.Value.Month);
+        Assert.Equal(1,    captured.Value.Day);
+        Assert.Equal(8,    captured.Value.Hour);
+        Assert.Equal(30,   captured.Value.Minute);
+    }
+
+    [Fact]
+    public void ClearingFromInput_InvokesFromChanged_WithNull()
+    {
+        DateTime? captured = new DateTime(2026, 1, 1);
+        var cut = Render<DateTimeRangeFilter>(ps => ps
+            .Add(p => p.IdPrefix, "sc")
+            .Add(p => p.From, new DateTime(2026, 1, 1))
+            .Add(p => p.FromChanged,
+                EventCallback.Factory.Create<DateTime?>(this, v => captured = v)));
+
+        cut.Find("[data-test='sc-from']").Change("");
+
+        Assert.Null(captured);
+    }
+
+    [Fact]
+    public void InitialValue_RendersInInput()
+    {
+        var initial = new DateTime(2025, 12, 31, 23, 59, 0);
+        var cut = Render<DateTimeRangeFilter>(ps => ps
+            .Add(p => p.From, initial));
+
+        var value = cut.Find("[data-test='dtr-from']").GetAttribute("value");
+        Assert.Equal("2025-12-31T23:59", value);
+    }
+}