From 655c475298b3f039bb5b71e70b28125e53eec973 Mon Sep 17 00:00:00 2001
From: Hetu Nandu <hetunandu@gmail.com>
Date: Thu, 2 Jan 2025 15:32:36 +0530
Subject: [PATCH] chore: Add Test cases

---
 .../StateInspector/StateInspector.test.tsx    | 143 ++++++++++++++++++
 .../StateInspector/StateInspector.tsx         |   1 +
 2 files changed, 144 insertions(+)
 create mode 100644 app/client/src/components/editorComponents/Debugger/StateInspector/StateInspector.test.tsx

diff --git a/app/client/src/components/editorComponents/Debugger/StateInspector/StateInspector.test.tsx b/app/client/src/components/editorComponents/Debugger/StateInspector/StateInspector.test.tsx
new file mode 100644
index 00000000000..bdf75dabde0
--- /dev/null
+++ b/app/client/src/components/editorComponents/Debugger/StateInspector/StateInspector.test.tsx
@@ -0,0 +1,143 @@
+import React from "react";
+import { render, screen, fireEvent } from "@testing-library/react";
+import "@testing-library/jest-dom";
+import { StateInspector } from "./StateInspector";
+import { useStateInspectorItems } from "./hooks";
+import { filterEntityGroupsBySearchTerm } from "IDE/utils";
+
+jest.mock("./hooks");
+jest.mock("IDE/utils");
+
+const mockedUseStateInspectorItems = useStateInspectorItems as jest.Mock;
+const mockedFilterEntityGroupsBySearchTerm =
+  filterEntityGroupsBySearchTerm as jest.Mock;
+
+describe("StateInspector", () => {
+  beforeEach(() => {
+    mockedFilterEntityGroupsBySearchTerm.mockImplementation(
+      (searchTerm, items) =>
+        items.filter((item: { group: string }) =>
+          item.group.toLowerCase().includes(searchTerm.toLowerCase()),
+        ),
+    );
+  });
+
+  it("renders search input and filters items based on search term", () => {
+    mockedUseStateInspectorItems.mockReturnValue([
+      { title: "Item 1", icon: "icon1", code: { key: "value1" } },
+      [
+        { group: "Group 1", items: [{ title: "Item 1" }] },
+        { group: "Group 2", items: [{ title: "Item 2" }] },
+      ],
+      { key: "value1" },
+    ]);
+    render(<StateInspector />);
+    const searchInput = screen.getByPlaceholderText("Search entities");
+
+    fireEvent.change(searchInput, { target: { value: "Group 1" } });
+    expect(screen.getByText("Group 1")).toBeInTheDocument();
+    expect(screen.queryByText("Group 2")).not.toBeInTheDocument();
+  });
+
+  it("Calls the onClick of the item", () => {
+    const mockOnClick = jest.fn();
+
+    mockedUseStateInspectorItems.mockReturnValue([
+      { title: "Item 1", icon: "icon1", code: { key: "value1" } },
+      [
+        { group: "Group 1", items: [{ title: "Item 1" }] },
+        {
+          group: "Group 2",
+          items: [{ title: "Item 2", onClick: mockOnClick }],
+        },
+      ],
+      { key: "value1" },
+    ]);
+    render(<StateInspector />);
+    fireEvent.click(screen.getByText("Item 2"));
+
+    expect(mockOnClick).toHaveBeenCalled();
+  });
+
+  it("Renders the selected item details", () => {
+    mockedUseStateInspectorItems.mockReturnValue([
+      { title: "Item 1", icon: "icon1", code: { key: "value1" } },
+      [
+        { group: "Group 1", items: [{ title: "Item 1" }] },
+        {
+          group: "Group 2",
+          items: [{ title: "Item 2" }],
+        },
+      ],
+      { key: "Value1" },
+    ]);
+    render(<StateInspector />);
+
+    expect(
+      screen.getByTestId("t--selected-entity-details").textContent,
+    ).toContain("Item 1");
+
+    expect(
+      screen.getByTestId("t--selected-entity-details").textContent,
+    ).toContain("Value1");
+  });
+
+  it("does not render selected item details when no item is selected", () => {
+    mockedUseStateInspectorItems.mockReturnValue([null, [], null]);
+    render(<StateInspector />);
+    expect(screen.queryByText("Item 1")).not.toBeInTheDocument();
+  });
+
+  it("renders all items when search term is empty", () => {
+    mockedUseStateInspectorItems.mockReturnValue([
+      { title: "Item 1", icon: "icon1", code: { key: "value1" } },
+      [
+        { group: "Group 1", items: [{ title: "Item 1" }] },
+        {
+          group: "Group 2",
+          items: [{ title: "Item 2" }],
+        },
+      ],
+      { key: "value1" },
+    ]);
+
+    render(<StateInspector />);
+    expect(screen.getByText("Group 1")).toBeInTheDocument();
+    expect(screen.getByText("Group 2")).toBeInTheDocument();
+  });
+  it("renders no items when search term does not match any group", () => {
+    render(<StateInspector />);
+    const searchInput = screen.getByPlaceholderText("Search entities");
+
+    fireEvent.change(searchInput, { target: { value: "Nonexistent Group" } });
+    expect(screen.queryByText("Group 1")).not.toBeInTheDocument();
+    expect(screen.queryByText("Group 2")).not.toBeInTheDocument();
+  });
+
+  it("renders no items when items list is empty", () => {
+    mockedUseStateInspectorItems.mockReturnValue([null, [], null]);
+    render(<StateInspector />);
+    expect(screen.queryByText("Group 1")).not.toBeInTheDocument();
+    expect(screen.queryByText("Group 2")).not.toBeInTheDocument();
+  });
+
+  it("renders correctly when selected item has no code", () => {
+    mockedUseStateInspectorItems.mockReturnValue([
+      { title: "Item 1", icon: "icon1", code: null },
+      [
+        { group: "Group 1", items: [{ title: "Item 1" }] },
+        { group: "Group 2", items: [{ title: "Item 2" }] },
+      ],
+      {},
+    ]);
+    render(<StateInspector />);
+
+    expect(
+      screen.getByTestId("t--selected-entity-details").textContent,
+    ).toContain("Item 1");
+
+    expect(
+      screen.getByTestId("t--selected-entity-details").textContent,
+    ).toContain("0 items");
+  });
+});
diff --git a/app/client/src/components/editorComponents/Debugger/StateInspector/StateInspector.tsx b/app/client/src/components/editorComponents/Debugger/StateInspector/StateInspector.tsx
index e73903396a1..fc4a6451412 100644
--- a/app/client/src/components/editorComponents/Debugger/StateInspector/StateInspector.tsx
+++ b/app/client/src/components/editorComponents/Debugger/StateInspector/StateInspector.tsx
@@ -77,6 +77,7 @@ export const StateInspector = () => {
       {selectedItem ? (
         <Flex
           className="mp-mask"
+          data-testid="t--selected-entity-details"
           flex="1"
           flexDirection="column"
           overflowY="hidden"