feat(blazorui): add BitOverlay tests #4418 (#5305)

Author: 0xSamman

src/BlazorUI/Bit.BlazorUI.Tests/Overlay/BitOverlayTests.cs

@@ -0,0 +1,98 @@
+using System;
+using Bunit;
+using Microsoft.VisualStudio.TestTools.UnitTesting;
+namespace Bit.BlazorUI.Tests.Overlay;
+
+[TestClass]
+public class BitOverlayTests : BunitTestContext
+{
+
+    [TestMethod]
+    public void BitOverlayInitialTest()
+    {
+        var com = RenderComponent<BitOverlay>();
+        var element = com.Find(".bit-ovl");
+
+        Assert.IsFalse(element.ClassList.Contains("bit-ovl-vis")); //shouldn't be visible when rendered
+
+    }
+
+    [TestMethod]
+    public void BitOverlayIsVisibleTest()
+    {
+        var isVisible = true;
+        var com = RenderComponent<BitOverlay>(parameters =>
+        {
+            parameters.Bind(p => p.IsVisible, isVisible, value => isVisible = value);
+        });
+
+        var element = com.Find(".bit-ovl");
+
+        Assert.IsTrue(element.ClassList.Contains("bit-ovl-vis"));
+    }
+
+    [TestMethod]
+    public void BitOverlayAutoCloseTest()
+    {
+        var isVisible = true;
+        var com = RenderComponent<BitOverlay>(parameters =>
+        {
+            parameters.Bind(p => p.IsVisible, isVisible, value => isVisible = value);
+        });
+
+        var element = com.Find(".bit-ovl");
+
+        element.Click();
+
+        Assert.IsFalse(element.ClassList.Contains("bit-ovl-vis"));
+    }
+
+    [TestMethod]
+    public void BitOverlayDisabledAutoCloseTest()
+    {
+        var isVisible = true;
+        var com = RenderComponent<BitOverlay>(parameters =>
+        {
+            parameters.Bind(p => p.IsVisible, isVisible, value => isVisible = value);
+            parameters.Add(p => p.AutoClose, false);
+        });
+
+        var element = com.Find(".bit-ovl");
+
+        element.Click();
+
+        Assert.IsTrue(element.ClassList.Contains("bit-ovl-vis"));
+    }
+
+    [TestMethod]
+    public void BitOverlayAbsolutePositionTest()
+    {
+        var com = RenderComponent<BitOverlay>(parameters =>
+        {
+            parameters.Add(p => p.AbsolutePosition, true);
+        });
+
+        var element = com.Find(".bit-ovl");
+
+        Assert.IsTrue(element.ClassList.Contains("bit-ovl-abs"));
+    }
+
+    [TestMethod]
+    public void BitOverlayAutoToggleScrollTest()
+    {
+        Context.JSInterop.Mode = JSRuntimeMode.Loose;
+
+        var isVisible = true;
+        var com = RenderComponent<BitOverlay>(parameters =>
+        {
+            parameters.Bind(p => p.IsVisible, isVisible, value => isVisible = value);
+        });
+
+        var element = com.Find(".bit-ovl");
+        element.Click();
+
+        //AutoToggleScroll is false by default so it should invoke "BitOverlay.toggleScroll" once and then once again on closing component
+        Context.JSInterop.VerifyInvoke("BitOverlay.toggleScroll", 2);
+    }
+
+}