From 447ae9461279a46b3f03b3e667d53491982f1300 Mon Sep 17 00:00:00 2001
From: Victor Giers <mail@victorgiers.com>
Date: Mon, 18 May 2026 16:18:37 +0200
Subject: [PATCH] auto-git:  [add]
 tests/unit/whitebox-material-inspector.integration.test.tsx

---
 ...ox-material-inspector.integration.test.tsx | 209 ++++++++++++++++++
 1 file changed, 209 insertions(+)
 create mode 100644 tests/unit/whitebox-material-inspector.integration.test.tsx

diff --git a/tests/unit/whitebox-material-inspector.integration.test.tsx b/tests/unit/whitebox-material-inspector.integration.test.tsx
new file mode 100644
index 00000000..5d40a9a4
--- /dev/null
+++ b/tests/unit/whitebox-material-inspector.integration.test.tsx
@@ -0,0 +1,209 @@
+import { fireEvent, render, screen, waitFor } from "@testing-library/react";
+import { act } from "react";
+import { afterEach, describe, expect, it, vi } from "vitest";
+
+import { App } from "../../src/app/App";
+import { createEditorStore } from "../../src/app/editor-store";
+import { createBoxBrush } from "../../src/document/brushes";
+import { createEmptySceneDocument } from "../../src/document/scene-document";
+
+const { MockViewportHost, viewportHostInstances } = vi.hoisted(() => {
+  const viewportHostInstances: Array<{
+    panelId: string | null;
+    setPanelId: ReturnType<typeof vi.fn>;
+    setRenderEnabled: ReturnType<typeof vi.fn>;
+    mount: ReturnType<typeof vi.fn>;
+    dispose: ReturnType<typeof vi.fn>;
+    updateWorld: ReturnType<typeof vi.fn>;
+    updateSimulation: ReturnType<typeof vi.fn>;
+    updateAssets: ReturnType<typeof vi.fn>;
+    updateDocument: ReturnType<typeof vi.fn>;
+    updateSelection: ReturnType<typeof vi.fn>;
+    setViewMode: ReturnType<typeof vi.fn>;
+    setDisplayMode: ReturnType<typeof vi.fn>;
+    setCameraState: ReturnType<typeof vi.fn>;
+    setBrushSelectionChangeHandler: ReturnType<typeof vi.fn>;
+    setCameraStateChangeHandler: ReturnType<typeof vi.fn>;
+    setCreationPreviewChangeHandler: ReturnType<typeof vi.fn>;
+    setCreationCommitHandler: ReturnType<typeof vi.fn>;
+    setTransformSessionChangeHandler: ReturnType<typeof vi.fn>;
+    setTransformPreviewChangeHandler: ReturnType<typeof vi.fn>;
+    setTransformCommitHandler: ReturnType<typeof vi.fn>;
+    setTransformCancelHandler: ReturnType<typeof vi.fn>;
+    setWhiteboxHoverLabelChangeHandler: ReturnType<typeof vi.fn>;
+    setWhiteboxSelectionMode: ReturnType<typeof vi.fn>;
+    setWhiteboxSnapSettings: ReturnType<typeof vi.fn>;
+    setGridVisible: ReturnType<typeof vi.fn>;
+    setToolMode: ReturnType<typeof vi.fn>;
+    setCreationPreview: ReturnType<typeof vi.fn>;
+    setTransformSession: ReturnType<typeof vi.fn>;
+    focusSelection: ReturnType<typeof vi.fn>;
+  }> = [];
+
+  class MockViewportHost {
+    panelId: string | null = null;
+    setPanelId = vi.fn((panelId: string) => {
+      this.panelId = panelId;
+    });
+    setRenderEnabled = vi.fn();
+    mount = vi.fn();
+    dispose = vi.fn();
+    updateWorld = vi.fn();
+    updateSimulation = vi.fn();
+    updateAssets = vi.fn();
+    updateDocument = vi.fn();
+    updateSelection = vi.fn();
+    setViewMode = vi.fn();
+    setDisplayMode = vi.fn();
+    setCameraState = vi.fn();
+    setBrushSelectionChangeHandler = vi.fn();
+    setCameraStateChangeHandler = vi.fn();
+    setCreationPreviewChangeHandler = vi.fn();
+    setCreationCommitHandler = vi.fn();
+    setTransformSessionChangeHandler = vi.fn();
+    setTransformPreviewChangeHandler = vi.fn();
+    setTransformCommitHandler = vi.fn();
+    setTransformCancelHandler = vi.fn();
+    setWhiteboxHoverLabelChangeHandler = vi.fn();
+    setWhiteboxSelectionMode = vi.fn();
+    setWhiteboxSnapSettings = vi.fn();
+    setGridVisible = vi.fn();
+    setToolMode = vi.fn();
+    setCreationPreview = vi.fn();
+    setTransformSession = vi.fn();
+    focusSelection = vi.fn();
+
+    constructor() {
+      viewportHostInstances.push(this);
+    }
+  }
+
+  return {
+    MockViewportHost,
+    viewportHostInstances
+  };
+});
+
+vi.mock("../../src/viewport-three/viewport-host", () => ({
+  ViewportHost: MockViewportHost
+}));
+
+vi.mock("../../src/assets/project-asset-storage", () => ({
+  getBrowserProjectAssetStorageAccess: vi.fn(async () => ({
+    storage: null,
+    diagnostic: null
+  }))
+}));
+
+afterEach(() => {
+  viewportHostInstances.length = 0;
+  vi.restoreAllMocks();
+});
+
+async function renderMaterialInspectorFixture() {
+  const brush = createBoxBrush({
+    id: "brush-material-inspector",
+    name: "Material Inspector Brush"
+  });
+  const store = createEditorStore({
+    initialDocument: {
+      ...createEmptySceneDocument({ name: "Material Inspector Scene" }),
+      brushes: {
+        [brush.id]: brush
+      }
+    }
+  });
+
+  act(() => {
+    store.setWhiteboxSelectionMode("face");
+    store.setSelection({
+      kind: "brushFace",
+      brushId: brush.id,
+      faceId: "posZ"
+    });
+  });
+
+  const renderResult = render(<App store={store} />);
+
+  await waitFor(() => {
+    expect(viewportHostInstances.length).toBeGreaterThan(0);
+  });
+
+  return {
+    ...renderResult,
+    store,
+    brush
+  };
+}
+
+describe("whitebox material inspector", () => {
+  it("shows the default slot first and persists edited custom material settings", async () => {
+    const consoleErrorSpy = vi
+      .spyOn(console, "error")
+      .mockImplementation(() => undefined);
+    const { container, store, brush } = await renderMaterialInspectorFixture();
+
+    expect(
+      container.querySelector(".material-browser button")
+    ).toHaveAttribute("data-testid", "material-button-default-whitebox");
+    expect(screen.getByTestId("material-button-default-whitebox")).toHaveTextContent(
+      "Default Whitebox"
+    );
+
+    fireEvent.click(screen.getByTestId("create-custom-material"));
+
+    const customMaterial = Object.values(store.getState().document.materials).find(
+      (material) => material.kind === "custom"
+    );
+
+    expect(customMaterial).toBeDefined();
+    expect(
+      store.getState().document.brushes[brush.id].faces.posZ.materialId
+    ).toBe(customMaterial?.id);
+    expect(
+      store.getState().document.brushes[brush.id].faces.posX.materialId
+    ).toBeNull();
+
+    fireEvent.change(screen.getByTestId("custom-material-albedo"), {
+      target: {
+        value: "#224466"
+      }
+    });
+    fireEvent.change(screen.getByTestId("custom-material-roughness"), {
+      target: {
+        value: "0.37"
+      }
+    });
+    fireEvent.change(screen.getByTestId("custom-material-metallic"), {
+      target: {
+        value: "0.58"
+      }
+    });
+
+    const editedMaterialId = customMaterial?.id;
+
+    if (editedMaterialId === undefined) {
+      throw new Error("Expected a custom material to be created.");
+    }
+
+    expect(store.getState().document.materials[editedMaterialId]).toMatchObject({
+      kind: "custom",
+      albedoColorHex: "#224466",
+      roughness: 0.37,
+      metallic: 0.58
+    });
+
+    const exportedProject = store.exportDocumentJson();
+    const reloadedStore = createEditorStore();
+
+    reloadedStore.importDocumentJson(exportedProject);
+
+    expect(reloadedStore.getState().document.materials[editedMaterialId]).toMatchObject({
+      kind: "custom",
+      albedoColorHex: "#224466",
+      roughness: 0.37,
+      metallic: 0.58
+    });
+    expect(consoleErrorSpy).not.toHaveBeenCalled();
+  });
+});