Add more Dialog tests

This caught an issue with <FocusTrap> already.

src/lib/components/dialog/dialog.test.ts

@@ -12,7 +12,12 @@ import { click, Keys, press } from "$lib/test-utils/interactions";
 import Transition from "$lib/components/transitions/TransitionRoot.svelte";
 import { tick } from "svelte";
 
-jest.mock('../../hooks/use-id')
+let id = 0;
+jest.mock('../../hooks/use-id', () => {
+  return {
+    useId: jest.fn(() => ++id),
+  }
+})
 
 // @ts-expect-error
 global.IntersectionObserver = class FakeIntersectionObserver {
@@ -20,6 +25,7 @@ global.IntersectionObserver = class FakeIntersectionObserver {
   disconnect() { }
 }
 
+beforeEach(() => id = 0)
 afterAll(() => jest.restoreAllMocks())
 
 describe('Safe guards', () => {
@@ -56,10 +62,7 @@ describe('Safe guards', () => {
         ]
       })
 
-      assertDialog({
-        state: DialogState.InvisibleUnmounted,
-        attributes: { id: 'headlessui-dialog-1' },
-      })
+      assertDialog({ state: DialogState.InvisibleUnmounted })
     })
   )
 })
@@ -355,4 +358,103 @@ describe('Composition', () => {
   )
 })
 
+describe('Keyboard interactions', () => {
+  describe('`Escape` key', () => {
+    it(
+      'should be possible to close the dialog with Escape',
+      async () => {
+        render(
+          TestRenderer, {
+          allProps: [
+            [ManagedDialog, { buttonText: "Trigger", buttonProps: { id: "trigger" } }, [
+              "Contents",
+              [TestTabSentinel],
+            ]],
+          ]
+        })
 
+        assertDialog({ state: DialogState.InvisibleUnmounted })
+
+        // Open dialog
+        await click(document.getElementById("trigger"))
+
+        // Verify it is open
+        assertDialog({
+          state: DialogState.Visible,
+          attributes: { id: 'headlessui-dialog-1' },
+        })
+
+        // Close dialog
+        await press(Keys.Escape)
+
+        // Verify it is close
+        assertDialog({ state: DialogState.InvisibleUnmounted })
+      }
+    )
+
+    it(
+      'should be possible to close the dialog with Escape, when a field is focused',
+      suppressConsoleLogs(async () => {
+        render(
+          TestRenderer, {
+          allProps: [
+            [ManagedDialog, { buttonText: "Trigger", buttonProps: { id: "trigger" } }, [
+              ["Contents"],
+              [Input, { id: "name" }],
+              [TestTabSentinel],
+            ]],
+          ]
+        })
+
+        assertDialog({ state: DialogState.InvisibleUnmounted })
+
+        // Open dialog
+        await click(document.getElementById('trigger'))
+
+        // Verify it is open
+        assertDialog({
+          state: DialogState.Visible,
+          attributes: { id: 'headlessui-dialog-1' },
+        })
+
+        // Close dialog
+        await press(Keys.Escape)
+
+        // Verify it is close
+        assertDialog({ state: DialogState.InvisibleUnmounted })
+      })
+    )
+
+    it(
+      'should not be possible to close the dialog with Escape, when a field is focused but cancels the event',
+      async () => {
+        render(
+          TestRenderer, {
+          allProps: [
+            [ManagedDialog, { buttonText: "Trigger", buttonProps: { id: "trigger" } }, [
+              ["Contents"],
+              [Input, { id: "name", onKeydown: (e: CustomEvent) => { e.preventDefault(); e.stopPropagation(); } }],
+              [TestTabSentinel],
+            ]],
+          ]
+        })
+
+        assertDialog({ state: DialogState.InvisibleUnmounted })
+
+        // Open dialog
+        await click(document.getElementById('trigger'))
+
+        // Verify it is open
+        assertDialog({
+          state: DialogState.Visible,
+          attributes: { id: 'headlessui-dialog-1' },
+        })
+
+        // Try to close the dialog
+        await press(Keys.Escape)
+
+        // Verify it is still open
+        assertDialog({ state: DialogState.Visible })
+      })
+  })
+})

src/lib/test-utils/TestRenderer.svelte

@@ -4,18 +4,25 @@
     onChange?: HandlerType;
     onClose?: HandlerType;
     onFocus?: HandlerType;
+    onKeydown?: HandlerType;
   }
-  type SingleComponent = [SvelteComponent, ComponentProps, TestRendererProps];
+  type SingleComponent =
+    | string
+    | [SvelteComponent, ComponentProps, TestRendererProps];
   export type TestRendererProps =
     | undefined
-    | string
     | SingleComponent
     | SingleComponent[];
 
   function isSingleComponent(
     props: SingleComponent | SingleComponent[]
   ): props is SingleComponent {
-    return Array.isArray(props) && !Array.isArray(props[0]);
+    return (
+      typeof props === "string" ||
+      (Array.isArray(props) &&
+        !Array.isArray(props[0]) &&
+        typeof props[0] !== "string")
+    );
   }
 </script>
 
@@ -28,23 +35,22 @@
   let onChange: HandlerType = () => {};
   let onClose: HandlerType = () => {};
   let onFocus: HandlerType = () => {};
+  let onKeydown: HandlerType = () => {};
   if (allProps && typeof allProps !== "string" && isSingleComponent(allProps)) {
     ({
       onChange = onChange,
       onClose = onClose,
       onFocus = onFocus,
+      onKeydown = onKeydown,
       ...spreadProps
     } = allProps[1] || {});
   }
 </script>
 
-{#if typeof allProps === "string"}
+{#if allProps}
+  {#if isSingleComponent(allProps)}
+    {#if typeof allProps === "string"}
       {allProps}
-{:else if Array.isArray(allProps)}
-  {#if Array.isArray(allProps[0])}
-    {#each allProps as childProps}
-      <svelte:self allProps={childProps} />
-    {/each}
     {:else}
       <svelte:component
         this={allProps[0]}
@@ -52,8 +58,14 @@
         on:change={onChange}
         on:close={onClose}
         on:focus={onFocus}
+        on:keydown={onKeydown}
       >
         <svelte:self allProps={allProps[2]} />
       </svelte:component>
     {/if}
+  {:else}
+    {#each allProps as childProps}
+      <svelte:self allProps={childProps} />
+    {/each}
+  {/if}
 {/if}

src/lib/test-utils/interactions.ts

@@ -181,9 +181,9 @@ export async function click(
 
     if (button === MouseButton.Left) {
       // Cancel in pointerDown cancels mouseDown, mouseUp
-      let cancelled = !fireEvent.pointerDown(element, options)
+      let cancelled = !(await fireEvent.pointerDown(element, options))
       if (!cancelled) {
-        fireEvent.mouseDown(element, options)
+        await fireEvent.mouseDown(element, options)
       }
 
       // Ensure to trigger a `focus` event if the element is focusable, or within a focusable element
@@ -196,26 +196,25 @@ export async function click(
         next = next.parentElement
       }
 
-      fireEvent.pointerUp(element, options)
+      await fireEvent.pointerUp(element, options)
       if (!cancelled) {
-        fireEvent.mouseUp(element, options)
+        await fireEvent.mouseUp(element, options)
       }
-      fireEvent.click(element, options)
+      await fireEvent.click(element, options)
     } else if (button === MouseButton.Right) {
       // Cancel in pointerDown cancels mouseDown, mouseUp
-      let cancelled = !fireEvent.pointerDown(element, options)
+      let cancelled = !(await fireEvent.pointerDown(element, options))
       if (!cancelled) {
-        fireEvent.mouseDown(element, options)
+        await fireEvent.mouseDown(element, options)
       }
 
       // Only in Firefox:
-      fireEvent.pointerUp(element, options)
+      await fireEvent.pointerUp(element, options)
       if (!cancelled) {
-        fireEvent.mouseUp(element, options)
+        await fireEvent.mouseUp(element, options)
       }
     }
 
-    await tick()
   } catch (err: any) {
     Error.captureStackTrace(err, click)
     throw err
@@ -226,7 +225,7 @@ export async function focus(element: Document | Element | Window | null) {
   try {
     if (element === null) return expect(element).not.toBe(null)
 
-    fireEvent.focus(element)
+    await fireEvent.focus(element)
 
     await tick()
   } catch (err: any) {
@@ -238,9 +237,9 @@ export async function mouseEnter(element: Document | Element | Window | null) {
   try {
     if (element === null) return expect(element).not.toBe(null)
 
-    fireEvent.pointerOver(element)
-    fireEvent.pointerEnter(element)
-    fireEvent.mouseOver(element)
+    await fireEvent.pointerOver(element)
+    await fireEvent.pointerEnter(element)
+    await fireEvent.mouseOver(element)
 
     await tick()
   } catch (err: any) {
@@ -253,8 +252,8 @@ export async function mouseMove(element: Document | Element | Window | null) {
   try {
     if (element === null) return expect(element).not.toBe(null)
 
-    fireEvent.pointerMove(element)
-    fireEvent.mouseMove(element)
+    await fireEvent.pointerMove(element)
+    await fireEvent.mouseMove(element)
 
     await tick()
   } catch (err: any) {
@@ -267,10 +266,10 @@ export async function mouseLeave(element: Document | Element | Window | null) {
   try {
     if (element === null) return expect(element).not.toBe(null)
 
-    fireEvent.pointerOut(element)
-    fireEvent.pointerLeave(element)
-    fireEvent.mouseOut(element)
-    fireEvent.mouseLeave(element)
+    await fireEvent.pointerOut(element)
+    await fireEvent.pointerLeave(element)
+    await fireEvent.mouseOut(element)
+    await fireEvent.mouseLeave(element)
 
     await tick()
   } catch (err: any) {