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import { describe, it, expect, vi, beforeEach, afterEach } from "vitest";
import { render, screen, fireEvent, waitFor } from "@testing-library/react";
import { WorkflowCanvas, isPointInQuickAddHotZone } from "@/components/WorkflowCanvas";
import { ReactFlowProvider } from "@xyflow/react";
// Mock the workflow store
const mockOnNodesChange = vi.fn();
const mockOnEdgesChange = vi.fn();
const mockOnConnect = vi.fn();
const mockAddNode = vi.fn().mockReturnValue("new-node-id");
const mockUpdateNodeData = vi.fn();
const mockLoadWorkflow = vi.fn();
const mockGetNodeById = vi.fn();
const mockAddToGlobalHistory = vi.fn();
const mockSetNodeGroupId = vi.fn();
const mockExecuteWorkflow = vi.fn();
const mockCopySelectedNodes = vi.fn();
const mockPasteNodes = vi.fn();
const mockClearClipboard = vi.fn();
const mockSetShowQuickstart = vi.fn();
const mockSetHoveredNodeId = vi.fn();
const mockRegenerateNode = vi.fn();
const mockExecuteSelectedNodes = vi.fn();
const mockClearWorkflow = vi.fn();
const mockSelectSingleNode = vi.fn();
const mockUpdateCanvasNavigationSettings = vi.fn();
const mockUseWorkflowStore = vi.fn();
vi.mock("@/store/workflowStore", () => ({
useWorkflowStore: (selector?: (state: unknown) => unknown) => {
if (selector) {
return mockUseWorkflowStore(selector);
}
return mockUseWorkflowStore((s: unknown) => s);
},
useProviderApiKeys: () => ({
replicateApiKey: null,
falApiKey: null,
kieApiKey: null,
wavespeedApiKey: null,
}),
}));
// Mock useReactFlow
const mockScreenToFlowPosition = vi.fn((pos) => pos);
const mockGetViewport = vi.fn(() => ({ x: 0, y: 0, zoom: 1 }));
const mockZoomIn = vi.fn();
const mockZoomOut = vi.fn();
const mockSetViewport = vi.fn();
const mockSetCenter = vi.fn();
const mockSetNodes = vi.fn();
const mockFitView = vi.fn();
vi.mock("@xyflow/react", async () => {
const actual = await vi.importActual("@xyflow/react");
return {
...actual,
useReactFlow: () => ({
screenToFlowPosition: mockScreenToFlowPosition,
getViewport: mockGetViewport,
zoomIn: mockZoomIn,
zoomOut: mockZoomOut,
setViewport: mockSetViewport,
setCenter: mockSetCenter,
setNodes: mockSetNodes,
fitView: mockFitView,
}),
};
});
// Mock the child components that aren't being tested
vi.mock("@/components/ConnectionDropMenu", () => ({
ConnectionDropMenu: ({ handleType, connectionType, mode, sourceNodeType, onSelect }: any) => (
<div
data-testid="connection-drop-menu"
data-handle-type={handleType}
data-connection-type={connectionType}
data-mode={mode}
data-source-node-type={sourceNodeType}
>
<button onClick={() => onSelect({ type: "nanoBanana", isAction: false })}>
Create Generate Image
</button>
<button onClick={() => onSelect({ type: "multiAngleImage", isAction: true })}>
Open Multi Angle
</button>
</div>
),
}));
vi.mock("@/components/MultiSelectToolbar", () => ({
MultiSelectToolbar: () => <div data-testid="multi-select-toolbar" />,
}));
vi.mock("@/components/EdgeToolbar", () => ({
EdgeToolbar: () => <div data-testid="edge-toolbar" />,
}));
vi.mock("@/components/GlobalImageHistory", () => ({
GlobalImageHistory: () => null,
}));
vi.mock("@/components/composer/GenerationComposer", () => ({
GenerationComposer: () => null,
}));
vi.mock("@/components/GroupsOverlay", () => ({
GroupBackgroundsPortal: () => null,
GroupControlsOverlay: () => null,
}));
vi.mock("@/components/quickstart", () => ({
WelcomeModal: () => <div data-testid="welcome-modal" />,
}));
vi.mock("@/utils/gridSplitter", () => ({
detectAndSplitGrid: vi.fn(),
}));
vi.mock("@/utils/logger", () => ({
logger: {
log: vi.fn(),
error: vi.fn(),
},
}));
// Create mock nodes for testing
const createMockNode = (id: string, type: string, overrides = {}) => ({
id,
type,
position: { x: 100, y: 100 },
data: {},
selected: false,
...overrides,
});
// Default provider settings
const defaultProviderSettings = {
providers: {
gemini: { id: "gemini", name: "Gemini", enabled: true, apiKey: null, apiKeyEnvVar: "GEMINI_API_KEY" },
openai: { id: "openai", name: "OpenAI", enabled: false, apiKey: null },
replicate: { id: "replicate", name: "Replicate", enabled: false, apiKey: null },
fal: { id: "fal", name: "fal.ai", enabled: true, apiKey: null },
kie: { id: "kie", name: "Kie.ai", enabled: false, apiKey: null },
wavespeed: { id: "wavespeed", name: "WaveSpeed", enabled: false, apiKey: null },
},
};
// Default store state factory
const createDefaultState = (overrides = {}) => ({
nodes: [],
edges: [],
groups: {},
onNodesChange: mockOnNodesChange,
onEdgesChange: mockOnEdgesChange,
onConnect: mockOnConnect,
addNode: mockAddNode,
updateNodeData: mockUpdateNodeData,
loadWorkflow: mockLoadWorkflow,
getNodeById: mockGetNodeById,
addToGlobalHistory: mockAddToGlobalHistory,
setNodeGroupId: mockSetNodeGroupId,
executeWorkflow: mockExecuteWorkflow,
executeSelectedNodes: mockExecuteSelectedNodes,
isRunning: false,
isModalOpen: false,
showQuickstart: false,
setShowQuickstart: mockSetShowQuickstart,
copySelectedNodes: mockCopySelectedNodes,
pasteNodes: mockPasteNodes,
clearClipboard: mockClearClipboard,
clipboard: null,
providerSettings: defaultProviderSettings,
edgeStyle: "angular" as const,
currentNodeIds: [],
navigationTarget: null,
setNavigationTarget: vi.fn(),
getNodesWithComments: vi.fn(() => []),
getConnectedInputs: vi.fn(() => ({ images: [], videos: [], audio: [], text: null })),
markCommentViewed: vi.fn(),
canvasNavigationSettings: { panMode: "space", zoomMode: "altScroll", selectionMode: "click", assistantEnabled: false },
updateCanvasNavigationSettings: mockUpdateCanvasNavigationSettings,
dimmedNodeIds: new Set<string>(),
skippedNodeIds: new Set<string>(),
hoveredNodeId: null,
setHoveredNodeId: mockSetHoveredNodeId,
captureSnapshot: vi.fn(),
applyEditOperations: vi.fn(() => ({ applied: 0, skipped: [] })),
setWorkflowMetadata: vi.fn(),
regenerateNode: mockRegenerateNode,
clearWorkflow: mockClearWorkflow,
selectSingleNode: mockSelectSingleNode,
...overrides,
});
// Wrapper component for React Flow context
function TestWrapper({ children }: { children: React.ReactNode }) {
return <ReactFlowProvider>{children}</ReactFlowProvider>;
}
describe("WorkflowCanvas", () => {
const originalProviderMode = process.env.NEXT_PUBLIC_PROVIDER_MODE;
beforeEach(() => {
vi.clearAllMocks();
// Default mock implementation
mockUseWorkflowStore.mockImplementation((selector) => {
return selector(createDefaultState());
});
});
afterEach(() => {
vi.unstubAllGlobals();
if (originalProviderMode === undefined) {
delete process.env.NEXT_PUBLIC_PROVIDER_MODE;
} else {
process.env.NEXT_PUBLIC_PROVIDER_MODE = originalProviderMode;
}
});
describe("Basic Rendering", () => {
it("should render ReactFlow component", () => {
render(
<TestWrapper>
<WorkflowCanvas />
</TestWrapper>
);
// ReactFlow container should be present
expect(document.querySelector(".react-flow")).toBeInTheDocument();
});
it("should render Background component", () => {
render(
<TestWrapper>
<WorkflowCanvas />
</TestWrapper>
);
// Background pattern should be rendered
expect(document.querySelector(".react-flow__background")).toBeInTheDocument();
});
it("should render Controls component", () => {
render(
<TestWrapper>
<WorkflowCanvas />
</TestWrapper>
);
// Controls panel should be rendered
expect(document.querySelector(".react-flow__controls")).toBeInTheDocument();
});
it("should render MiniMap component", () => {
render(
<TestWrapper>
<WorkflowCanvas />
</TestWrapper>
);
// MiniMap should be rendered
expect(document.querySelector(".react-flow__minimap")).toBeInTheDocument();
});
it("should render EdgeToolbar component", () => {
render(
<TestWrapper>
<WorkflowCanvas />
</TestWrapper>
);
expect(screen.getByTestId("edge-toolbar")).toBeInTheDocument();
});
it("should keep the canvas assistant closed and hidden by default", () => {
render(
<TestWrapper>
<WorkflowCanvas />
</TestWrapper>
);
expect(screen.queryByRole("heading", { name: /Canvas Assistant/i })).not.toBeInTheDocument();
expect(screen.queryByRole("button", { name: "Assistant" })).not.toBeInTheDocument();
});
it("should show the canvas assistant on the right when the canvas setting is enabled", () => {
mockUseWorkflowStore.mockImplementation((selector) => {
return selector(createDefaultState({
canvasNavigationSettings: {
panMode: "space",
zoomMode: "altScroll",
selectionMode: "click",
assistantEnabled: true,
},
}));
});
render(
<TestWrapper>
<WorkflowCanvas />
</TestWrapper>
);
expect(screen.getByRole("heading", { name: /Canvas Assistant/i })).toBeInTheDocument();
expect(screen.getByRole("heading", { name: /Canvas Assistant/i }).closest(".fixed")).toHaveClass("right-0");
});
it("should disable the canvas assistant setting when the right assistant panel is closed", () => {
const enabledSettings = {
panMode: "space" as const,
zoomMode: "altScroll" as const,
selectionMode: "click" as const,
assistantEnabled: true,
};
mockUseWorkflowStore.mockImplementation((selector) => {
return selector(createDefaultState({
canvasNavigationSettings: enabledSettings,
}));
});
render(
<TestWrapper>
<WorkflowCanvas />
</TestWrapper>
);
fireEvent.click(screen.getByRole("button", { name: "Close chat" }));
expect(mockUpdateCanvasNavigationSettings).toHaveBeenCalledWith({
...enabledSettings,
assistantEnabled: false,
});
});
it("should center and zoom a node when the node shell is double-clicked", async () => {
mockGetViewport.mockReturnValue({ x: 0, y: 0, zoom: 0.6 });
mockUseWorkflowStore.mockImplementation((selector) => {
return selector(createDefaultState({
nodes: [
createMockNode("prompt-1", "prompt", {
position: { x: 200, y: 120 },
style: { width: 320, height: 220 },
}),
],
}));
});
const { container } = render(
<TestWrapper>
<WorkflowCanvas />
</TestWrapper>
);
const node = await waitFor(() => {
const element = container.querySelector('.react-flow__node[data-id="prompt-1"]');
expect(element).toBeInTheDocument();
return element;
});
fireEvent.doubleClick(node!);
expect(mockSelectSingleNode).toHaveBeenCalledWith("prompt-1");
expect(mockSetCenter).toHaveBeenCalledWith(360, 230, {
duration: 300,
zoom: 1,
});
});
it("should render MultiSelectToolbar component", () => {
render(
<TestWrapper>
<WorkflowCanvas />
</TestWrapper>
);
expect(screen.getByTestId("multi-select-toolbar")).toBeInTheDocument();
});
it("hides the fallback model button in Popi provider mode", async () => {
process.env.NEXT_PUBLIC_PROVIDER_MODE = "popi";
vi.stubGlobal("fetch", vi.fn(() => Promise.resolve({
ok: true,
json: () => Promise.resolve({ success: true, models: [] }),
})));
mockUseWorkflowStore.mockImplementation((selector) => {
return selector(createDefaultState({
nodes: [
createMockNode("video-1", "generateVideo", {
selected: true,
data: {
selectedModel: {
provider: "newapiwg",
modelId: "video-model",
displayName: "Video Model",
},
},
}),
],
}));
});
render(
<TestWrapper>
<WorkflowCanvas />
</TestWrapper>
);
await waitFor(() => {
expect(screen.getAllByText("Video Model").length).toBeGreaterThan(0);
});
expect(screen.queryByTitle("Set fallback model (runs if primary fails)")).not.toBeInTheDocument();
});
it("treats the plus affordance region as a quick-add hot zone", () => {
const node = createMockNode("image-1", "imageInput", {
measured: { width: 300, height: 220 },
});
expect(isPointInQuickAddHotZone(node as any, { x: 418, y: 210 })).toBe(true);
expect(isPointInQuickAddHotZone(node as any, { x: 510, y: 210 })).toBe(false);
});
it("renders the visible quick-add affordance without taking pointer events", async () => {
mockUseWorkflowStore.mockImplementation((selector) => {
return selector(createDefaultState({
nodes: [
createMockNode("image-1", "imageInput", {
selected: true,
measured: { width: 300, height: 220 },
}),
],
}));
});
render(
<TestWrapper>
<WorkflowCanvas />
</TestWrapper>
);
const affordance = await screen.findByTestId("node-quick-add-affordance");
expect(affordance).toHaveClass("pointer-events-none");
expect(affordance).toHaveAttribute("aria-hidden", "true");
});
it("should open the connection menu from a node quick-add button and create a connected node", async () => {
mockUseWorkflowStore.mockImplementation((selector) => {
return selector(createDefaultState({
nodes: [
createMockNode("image-1", "imageInput", {
selected: true,
measured: { width: 300, height: 220 },
}),
],
}));
});
render(
<TestWrapper>
<WorkflowCanvas />
</TestWrapper>
);
const quickAddButton = screen.getByRole("button", { name: "Add connected node" });
fireEvent.pointerDown(quickAddButton, {
clientX: 418,
clientY: 210,
});
fireEvent.click(quickAddButton, {
clientX: 418,
clientY: 210,
});
const menu = await screen.findByTestId("connection-drop-menu");
expect(menu).toHaveAttribute("data-handle-type", "image");
expect(menu).toHaveAttribute("data-connection-type", "source");
expect(menu).toHaveAttribute("data-mode", "quickAdd");
expect(menu).toHaveAttribute("data-source-node-type", "imageInput");
fireEvent.click(screen.getByText("Create Generate Image"));
expect(mockAddNode).toHaveBeenCalledWith("nanoBanana", { x: 560, y: 100 });
expect(mockOnConnect).toHaveBeenCalledWith({
source: "image-1",
sourceHandle: "image",
target: "new-node-id",
targetHandle: "image",
});
expect(mockSelectSingleNode).toHaveBeenCalledWith("new-node-id");
});
it("should open the image multi-angle editor from the connection menu and generate a connected image node", async () => {
const sourceNode = createMockNode("image-1", "imageInput", {
selected: true,
measured: { width: 300, height: 220 },
data: {
image: "data:image/png;base64,input",
filename: "input.png",
dimensions: { width: 640, height: 480 },
},
});
mockGetNodeById.mockImplementation((id) => (id === "image-1" ? sourceNode : null));
mockUseWorkflowStore.mockImplementation((selector) => {
return selector(createDefaultState({
nodes: [sourceNode],
}));
});
render(
<TestWrapper>
<WorkflowCanvas />
</TestWrapper>
);
const quickAddButton = screen.getByRole("button", { name: "Add connected node" });
fireEvent.pointerDown(quickAddButton, {
clientX: 418,
clientY: 210,
});
fireEvent.click(quickAddButton, {
clientX: 418,
clientY: 210,
});
fireEvent.click(await screen.findByText("Open Multi Angle"));
expect(screen.getByRole("dialog", { name: "Image Multi-Angle Editor" })).toBeInTheDocument();
fireEvent.click(screen.getByRole("button", { name: "Fisheye" }));
fireEvent.click(screen.getByRole("button", { name: "Generate multi-angle" }));
await waitFor(() => {
expect(mockRegenerateNode).toHaveBeenCalledWith("new-node-id");
});
expect(mockAddNode).toHaveBeenCalledWith(
"nanoBanana",
{ x: 560, y: 100 },
expect.objectContaining({
inputImages: ["data:image/png;base64,input"],
inputPrompt: expect.stringContaining("超近距离鱼眼镜头"),
aspectRatio: "16:9",
resolution: "2K",
})
);
expect(mockOnConnect).toHaveBeenCalledWith({
source: "image-1",
sourceHandle: "image",
target: "new-node-id",
targetHandle: "image",
});
expect(mockSelectSingleNode).toHaveBeenCalledWith("new-node-id");
});
});
describe("Welcome Modal", () => {
it("should show welcome modal when canvas is empty and showQuickstart is true", () => {
mockUseWorkflowStore.mockImplementation((selector) => {
return selector(createDefaultState({
nodes: [],
showQuickstart: true,
}));
});
render(
<TestWrapper>
<WorkflowCanvas />
</TestWrapper>
);
expect(screen.getByTestId("welcome-modal")).toBeInTheDocument();
});
it("should not show welcome modal when canvas has nodes", () => {
// When a workflow with nodes is loaded, the store sets showQuickstart to false.
// The component renders the modal based solely on showQuickstart state.
mockUseWorkflowStore.mockImplementation((selector) => {
return selector(createDefaultState({
nodes: [createMockNode("node-1", "prompt")],
showQuickstart: false,
}));
});
render(
<TestWrapper>
<WorkflowCanvas />
</TestWrapper>
);
expect(screen.queryByTestId("welcome-modal")).not.toBeInTheDocument();
});
it("should not show welcome modal when showQuickstart is false", () => {
mockUseWorkflowStore.mockImplementation((selector) => {
return selector(createDefaultState({
nodes: [],
showQuickstart: false,
}));
});
render(
<TestWrapper>
<WorkflowCanvas />
</TestWrapper>
);
expect(screen.queryByTestId("welcome-modal")).not.toBeInTheDocument();
});
});
describe("Node Types Registration", () => {
it("should register all required node types for the canvas", () => {
// We verify the canvas renders with the node types object defined
// The actual node type registration happens at module level
// This test confirms the canvas component can be rendered
render(
<TestWrapper>
<WorkflowCanvas />
</TestWrapper>
);
// Canvas should render and have the ReactFlow component
expect(document.querySelector(".react-flow")).toBeInTheDocument();
});
});
describe("Edge Types Registration", () => {
it("should register editable and reference edge types for the canvas", () => {
// Edge types are registered at module level
// This test confirms the canvas renders with edge type config
render(
<TestWrapper>
<WorkflowCanvas />
</TestWrapper>
);
// Canvas should render with edge types configured
expect(document.querySelector(".react-flow")).toBeInTheDocument();
});
});
describe("Drag and Drop", () => {
it("should show drop overlay when dragging node type over canvas", () => {
render(
<TestWrapper>
<WorkflowCanvas />
</TestWrapper>
);
const canvas = document.querySelector(".bg-canvas-bg") as HTMLElement;
// Simulate drag over with node type data
const mockDataTransfer = {
types: ["application/node-type"],
items: [],
dropEffect: "",
effectAllowed: "",
getData: vi.fn(),
};
fireEvent.dragOver(canvas, {
dataTransfer: mockDataTransfer,
preventDefault: vi.fn(),
});
// Should show "Drop to create node" indicator
expect(screen.getByText("Drop to create node")).toBeInTheDocument();
});
it("should show drop overlay when dragging image over canvas", () => {
render(
<TestWrapper>
<WorkflowCanvas />
</TestWrapper>
);
const canvas = document.querySelector(".bg-canvas-bg") as HTMLElement;
// Simulate drag over with image file
const mockDataTransfer = {
types: [],
items: [{ kind: "file", type: "image/png" }],
dropEffect: "",
effectAllowed: "",
getData: vi.fn(),
};
fireEvent.dragOver(canvas, {
dataTransfer: mockDataTransfer,
preventDefault: vi.fn(),
});
// Should show "Drop image to create node" indicator
expect(screen.getByText("Drop image to create node")).toBeInTheDocument();
});
it("should show drop overlay when dragging workflow JSON over canvas", () => {
render(
<TestWrapper>
<WorkflowCanvas />
</TestWrapper>
);
const canvas = document.querySelector(".bg-canvas-bg") as HTMLElement;
// Simulate drag over with JSON file
const mockDataTransfer = {
types: [],
items: [{ kind: "file", type: "application/json" }],
dropEffect: "",
effectAllowed: "",
getData: vi.fn(),
};
fireEvent.dragOver(canvas, {
dataTransfer: mockDataTransfer,
preventDefault: vi.fn(),
});
// Should show "Drop to load workflow" indicator
expect(screen.getByText("Drop to load workflow")).toBeInTheDocument();
});
it("should hide drop overlay on drag leave", () => {
render(
<TestWrapper>
<WorkflowCanvas />
</TestWrapper>
);
const canvas = document.querySelector(".bg-canvas-bg") as HTMLElement;
// First drag over
const mockDataTransfer = {
types: ["application/node-type"],
items: [],
dropEffect: "",
effectAllowed: "",
getData: vi.fn(),
};
fireEvent.dragOver(canvas, {
dataTransfer: mockDataTransfer,
preventDefault: vi.fn(),
});
expect(screen.getByText("Drop to create node")).toBeInTheDocument();
// Then drag leave
fireEvent.dragLeave(canvas, { preventDefault: vi.fn() });
expect(screen.queryByText("Drop to create node")).not.toBeInTheDocument();
});
it("should call addNode when node type is dropped on canvas", () => {
render(
<TestWrapper>
<WorkflowCanvas />
</TestWrapper>
);
const canvas = document.querySelector(".bg-canvas-bg") as HTMLElement;
const mockDataTransfer = {
types: ["application/node-type"],
items: [],
files: [],
dropEffect: "",
effectAllowed: "",
getData: vi.fn().mockReturnValue("prompt"),
};
fireEvent.drop(canvas, {
dataTransfer: mockDataTransfer,
preventDefault: vi.fn(),
clientX: 500,
clientY: 300,
});
expect(mockAddNode).toHaveBeenCalledWith("prompt", expect.any(Object));
});
});
describe("Keyboard Shortcuts", () => {
it("should call executeWorkflow on Ctrl+Enter", () => {
render(
<TestWrapper>
<WorkflowCanvas />
</TestWrapper>
);
fireEvent.keyDown(window, { key: "Enter", ctrlKey: true });
expect(mockExecuteWorkflow).toHaveBeenCalled();
});
it("should call executeWorkflow on Cmd+Enter", () => {
render(
<TestWrapper>
<WorkflowCanvas />
</TestWrapper>
);
fireEvent.keyDown(window, { key: "Enter", metaKey: true });
expect(mockExecuteWorkflow).toHaveBeenCalled();
});
it("should call copySelectedNodes on Ctrl+C", () => {
render(
<TestWrapper>
<WorkflowCanvas />
</TestWrapper>
);
fireEvent.keyDown(window, { key: "c", ctrlKey: true });
expect(mockCopySelectedNodes).toHaveBeenCalled();
});
it("should not copy when typing in input field", () => {
render(
<TestWrapper>
<WorkflowCanvas />
<input data-testid="test-input" />
</TestWrapper>
);
const input = screen.getByTestId("test-input");
fireEvent.keyDown(input, { key: "c", ctrlKey: true });
// Should not call copy when target is input
expect(mockCopySelectedNodes).not.toHaveBeenCalled();
});
it("should add prompt node on Shift+P", () => {
render(
<TestWrapper>
<WorkflowCanvas />
</TestWrapper>
);
fireEvent.keyDown(window, { key: "p", shiftKey: true });
expect(mockAddNode).toHaveBeenCalledWith("prompt", expect.any(Object));
});
it("should add imageInput node on Shift+I", () => {
render(
<TestWrapper>
<WorkflowCanvas />
</TestWrapper>
);
fireEvent.keyDown(window, { key: "i", shiftKey: true });
expect(mockAddNode).toHaveBeenCalledWith("imageInput", expect.any(Object));
});
it("should add nanoBanana node on Shift+G", () => {
render(
<TestWrapper>
<WorkflowCanvas />
</TestWrapper>
);
fireEvent.keyDown(window, { key: "g", shiftKey: true });
expect(mockAddNode).toHaveBeenCalledWith("nanoBanana", expect.any(Object));
});
it("should add llmGenerate node on Shift+L", () => {
render(
<TestWrapper>
<WorkflowCanvas />
</TestWrapper>
);
fireEvent.keyDown(window, { key: "l", shiftKey: true });
expect(mockAddNode).toHaveBeenCalledWith("llmGenerate", expect.any(Object));
});
it("should add annotation node on Shift+A", () => {
render(
<TestWrapper>
<WorkflowCanvas />
</TestWrapper>
);
fireEvent.keyDown(window, { key: "a", shiftKey: true });
expect(mockAddNode).toHaveBeenCalledWith("annotation", expect.any(Object));
});
});
describe("Connection Validation", () => {
it("should render canvas with isValidConnection callback configured", () => {
// The isValidConnection function is passed to ReactFlow to validate connections
// This test confirms the canvas is properly configured
render(
<TestWrapper>
<WorkflowCanvas />
</TestWrapper>
);
// Canvas should have ReactFlow with validation configured
expect(document.querySelector(".react-flow")).toBeInTheDocument();
});
});
describe("Group Handling", () => {
it("should render canvas with group support enabled", () => {
mockUseWorkflowStore.mockImplementation((selector) => {
return selector(createDefaultState({
groups: {
"group-1": {
id: "group-1",
position: { x: 100, y: 100 },
size: { width: 400, height: 400 },
locked: false,
},
},
}));
});
render(
<TestWrapper>
<WorkflowCanvas />
</TestWrapper>
);
// The canvas should render with groups functionality enabled
expect(document.querySelector(".react-flow")).toBeInTheDocument();
});
});
describe("Canvas Configuration", () => {
it("should configure delete key codes for node deletion", () => {
render(
<TestWrapper>
<WorkflowCanvas />
</TestWrapper>
);
// ReactFlow is configured with deleteKeyCode={["Backspace", "Delete"]}
expect(document.querySelector(".react-flow")).toBeInTheDocument();
});
it("should configure multi-selection with Shift key", () => {
render(
<TestWrapper>
<WorkflowCanvas />
</TestWrapper>
);
// ReactFlow is configured with multiSelectionKeyCode="Shift"
expect(document.querySelector(".react-flow")).toBeInTheDocument();
});
it("should configure zoom constraints", () => {
render(
<TestWrapper>
<WorkflowCanvas />
</TestWrapper>
);
// ReactFlow is configured with minZoom={0.1} maxZoom={4}
expect(document.querySelector(".react-flow")).toBeInTheDocument();
});
it("should use editable as default edge type", () => {
render(
<TestWrapper>
<WorkflowCanvas />
</TestWrapper>
);
// ReactFlow is configured with defaultEdgeOptions={{ type: "editable" }}
expect(document.querySelector(".react-flow")).toBeInTheDocument();
});
});
describe("Popiai embed viewport", () => {
it("fits the canvas when the embed bridge requests it", () => {
vi.useFakeTimers();
try {
render(
<TestWrapper>
<WorkflowCanvas />
</TestWrapper>
);
window.dispatchEvent(new CustomEvent("popiai:fit-view"));
expect(mockFitView).not.toHaveBeenCalled();
vi.advanceTimersByTime(80);
expect(mockFitView).toHaveBeenCalledWith({
maxZoom: 1,
padding: 0.2,
duration: 500,
});
} finally {
vi.useRealTimers();
}
});
});
describe("Clipboard Paste", () => {
// Helper to mock clipboard with image data
const mockClipboardWithImage = () => {
const mockBlob = new Blob(["fake-image-data"], { type: "image/png" });
const mockClipboardItem = {
types: ["image/png"],
getType: vi.fn().mockResolvedValue(mockBlob),
};
const mockRead = vi.fn().mockResolvedValue([mockClipboardItem]);
Object.defineProperty(navigator, "clipboard", {
value: { read: mockRead },
configurable: true,
writable: true,
});
return { mockRead, mockClipboardItem };
};
// Helper to mock FileReader
const mockFileReader = (dataUrl: string) => {
class MockFileReader {
onload: ((event: ProgressEvent<FileReader>) => void) | null = null;
result: string = dataUrl;
readAsDataURL() {
setTimeout(() => {
this.onload?.({ target: { result: this.result } } as ProgressEvent<FileReader>);
}, 0);
}
}
global.FileReader = MockFileReader as unknown as typeof FileReader;
};
// Helper to mock Image
const mockImage = (width: number, height: number) => {
class MockImage {
onload: (() => void) | null = null;
width: number = width;
height: number = height;
private _src: string = "";
get src() { return this._src; }
set src(value: string) {
this._src = value;
setTimeout(() => {
this.onload?.();
}, 0);
}
}
global.Image = MockImage as unknown as typeof Image;
};
it("should update selected imageInput node when pasting image from clipboard", async () => {
mockClipboardWithImage();
mockFileReader("data:image/png;base64,test123");
mockImage(1024, 768);
const selectedImageNode = createMockNode("image-1", "imageInput", {
selected: true,
data: { image: null, filename: null, dimensions: null },
});
mockUseWorkflowStore.mockImplementation((selector) => {
return selector(createDefaultState({
nodes: [selectedImageNode],
clipboard: null,
}));
});
render(
<TestWrapper>
<WorkflowCanvas />
</TestWrapper>
);
// Trigger Ctrl+V
fireEvent.keyDown(window, { key: "v", ctrlKey: true });
await waitFor(() => {
expect(mockUpdateNodeData).toHaveBeenCalledWith(
"image-1",
expect.objectContaining({
image: "data:image/png;base64,test123",
filename: expect.stringContaining("pasted-"),
dimensions: { width: 1024, height: 768 },
})
);
});
// Should NOT create a new node
expect(mockAddNode).not.toHaveBeenCalled();
});
it("should create new imageInput node when pasting image with no selection", async () => {
mockClipboardWithImage();
mockFileReader("data:image/png;base64,newimage");
mockImage(800, 600);
// No nodes selected
mockUseWorkflowStore.mockImplementation((selector) => {
return selector(createDefaultState({
nodes: [],
clipboard: null,
}));
});
render(
<TestWrapper>
<WorkflowCanvas />
</TestWrapper>
);
// Trigger Ctrl+V
fireEvent.keyDown(window, { key: "v", ctrlKey: true });
await waitFor(() => {
expect(mockAddNode).toHaveBeenCalledWith("imageInput", expect.any(Object));
});
await waitFor(() => {
expect(mockUpdateNodeData).toHaveBeenCalledWith(
"new-node-id",
expect.objectContaining({
image: "data:image/png;base64,newimage",
dimensions: { width: 800, height: 600 },
})
);
});
});
it("should create new imageInput node when pasting image with non-imageInput node selected", async () => {
mockClipboardWithImage();
mockFileReader("data:image/png;base64,anotherimage");
mockImage(640, 480);
// Prompt node selected (not imageInput)
const selectedPromptNode = createMockNode("prompt-1", "prompt", {
selected: true,
data: { prompt: "test" },
});
mockUseWorkflowStore.mockImplementation((selector) => {
return selector(createDefaultState({
nodes: [selectedPromptNode],
clipboard: null,
}));
});
render(
<TestWrapper>
<WorkflowCanvas />
</TestWrapper>
);
// Trigger Ctrl+V
fireEvent.keyDown(window, { key: "v", ctrlKey: true });
await waitFor(() => {
expect(mockAddNode).toHaveBeenCalledWith("imageInput", expect.any(Object));
});
await waitFor(() => {
expect(mockUpdateNodeData).toHaveBeenCalledWith(
"new-node-id",
expect.objectContaining({
image: "data:image/png;base64,anotherimage",
dimensions: { width: 640, height: 480 },
})
);
});
});
it("should prioritize internal clipboard over system clipboard when nodes are copied", async () => {
mockClipboardWithImage();
mockFileReader("data:image/png;base64,ignored");
mockImage(100, 100);
// Internal clipboard has nodes
mockUseWorkflowStore.mockImplementation((selector) => {
return selector(createDefaultState({
nodes: [],
clipboard: {
nodes: [createMockNode("copied-1", "prompt")],
edges: [],
},
}));
});
render(
<TestWrapper>
<WorkflowCanvas />
</TestWrapper>
);
// Trigger Ctrl+V
fireEvent.keyDown(window, { key: "v", ctrlKey: true });
// Should paste internal clipboard nodes, not system clipboard image
expect(mockPasteNodes).toHaveBeenCalled();
expect(mockClearClipboard).toHaveBeenCalled();
// Should NOT update or add nodes from system clipboard
expect(mockUpdateNodeData).not.toHaveBeenCalled();
expect(mockAddNode).not.toHaveBeenCalled();
});
});
});