test(combo-box): more unit tests

tests/ComboBox/ComboBox.test.ts

@@ -147,6 +147,18 @@ describe("ComboBox", () => {
     expect(screen.queryByRole("option")).not.toBeInTheDocument();
   });
 
+  it("should clear input when clicking clear button", async () => {
+    const consoleLog = vi.spyOn(console, "log");
+    render(ComboBox, { props: { selectedId: "1" } });
+
+    expect(consoleLog).not.toBeCalled();
+    const clearButton = screen.getByRole("button", { name: /clear/i });
+    await user.click(clearButton);
+
+    expect(screen.getByRole("textbox")).toHaveValue("");
+    expect(consoleLog).toHaveBeenCalledWith("clear", "clear");
+  });
+
   it("should handle disabled items", async () => {
     render(ComboBoxCustom);
 
@@ -184,9 +196,26 @@ describe("ComboBox", () => {
   it("should programmatically clear selection", async () => {
     render(ComboBoxCustom, { props: { selectedId: "1" } });
 
-    expect(screen.getByRole("textbox")).toHaveValue("Email");
+    const textbox = screen.getByRole("textbox");
+    expect(textbox).toHaveValue("Email");
     await user.click(screen.getByText("Clear"));
-    expect(screen.getByRole("textbox")).toHaveValue("");
+    expect(textbox).toHaveValue("");
+    expect(textbox).toHaveFocus();
+  });
+
+  it("should not re-focus textbox if clearOptions.focus is false", async () => {
+    render(ComboBoxCustom, {
+      props: {
+        selectedId: "1",
+        clearOptions: { focus: false },
+      },
+    });
+
+    const textbox = screen.getByRole("textbox");
+    expect(textbox).toHaveValue("Email");
+    await user.click(screen.getByText("Clear"));
+    expect(textbox).toHaveValue("");
+    expect(textbox).not.toHaveFocus();
   });
 
   it("should close menu on Escape key", async () => {

tests/ComboBox/ComboBoxCustom.test.svelte

@@ -11,6 +11,7 @@
   ];
   export let selectedId: string | undefined = undefined;
   export let direction: "top" | "bottom" = "bottom";
+  export let clearOptions: { focus?: boolean } = {};
   export let shouldFilterItem = (item: ComboBoxItem, value: string) =>
     item.text.toLowerCase().includes(value.toLowerCase());
   export let itemToString = (item: ComboBoxItem) => item.text;
@@ -33,4 +34,6 @@
   <span>Item {item.text}</span>
 </ComboBox>
 
-<button type="button" on:click={() => comboBoxRef.clear()}>Clear</button>
+<button type="button" on:click={() => comboBoxRef.clear(clearOptions)}>
+  Clear
+</button>