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refactor: reduce code duplication and add comprehensive test coverage

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- Extract checkApiRequestInProgress helper to reduce duplication
- Add isCancelPending state to prevent rapid cancel clicks
- Add comprehensive test suite for cancel button behavior
- Test coverage for API request state tracking
- Test proper button state during tool approval dialogs
- Fix React Hook dependency warning
This commit is contained in:
Roo Code 2025-11-06 07:38:22 +00:00
parent 28940f61c5
commit 53625975e0
2 changed files with 551 additions and 54 deletions
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91
webview-ui/src/components/chat/ChatView.tsx
View file

@ -176,6 +176,7 @@ const ChatViewComponent: React.ForwardRefRenderFunction<ChatViewRef, ChatViewPro
const textAreaRef = useRef<HTMLTextAreaElement>(null)
const [sendingDisabled, setSendingDisabled] = useState(false)
const [selectedImages, setSelectedImages] = useState<string[]>([])
const [isCancelPending, setIsCancelPending] = useState(false)
// we need to hold on to the ask because useEffect > lastMessage will always let us know when an ask comes in and handle it, but by the time handleMessage is called, the last message might not be the ask anymore (it could be a say that followed)
const [clineAsk, setClineAsk] = useState<ClineAsk | undefined>(undefined)
@ -514,6 +515,32 @@ const ChatViewComponent: React.ForwardRefRenderFunction<ChatViewRef, ChatViewPro
prevExpandedRowsRef.current = expandedRows // Store current state for next comparison
}, [expandedRows])
// Helper function to check if an API request is actively in progress
const checkApiRequestInProgress = useCallback((messages: ClineMessage[]) => {
const isLastMessagePartial = messages.at(-1)?.partial === true
if (isLastMessagePartial) {
return true
}
const lastApiReqStarted = findLast(messages, (message: ClineMessage) => message.say === "api_req_started")
if (
lastApiReqStarted &&
lastApiReqStarted.text !== null &&
lastApiReqStarted.text !== undefined &&
lastApiReqStarted.say === "api_req_started"
) {
const cost = JSON.parse(lastApiReqStarted.text).cost
if (cost === undefined) {
return true // API request has not finished yet.
}
}
return false
}, [])
const isStreaming = useMemo(() => {
// Checking clineAsk isn't enough since messages effect may be called
// again for a tool for example, set clineAsk to its value, and if the
@ -531,63 +558,15 @@ const ChatViewComponent: React.ForwardRefRenderFunction<ChatViewRef, ChatViewPro
return false
}
const isLastMessagePartial = modifiedMessages.at(-1)?.partial === true
if (isLastMessagePartial) {
return true
} else {
const lastApiReqStarted = findLast(
modifiedMessages,
(message: ClineMessage) => message.say === "api_req_started",
)
if (
lastApiReqStarted &&
lastApiReqStarted.text !== null &&
lastApiReqStarted.text !== undefined &&
lastApiReqStarted.say === "api_req_started"
) {
const cost = JSON.parse(lastApiReqStarted.text).cost
if (cost === undefined) {
return true // API request has not finished yet.
}
}
}
return false
}, [modifiedMessages, clineAsk, enableButtons, primaryButtonText])
return checkApiRequestInProgress(modifiedMessages)
}, [modifiedMessages, clineAsk, enableButtons, primaryButtonText, checkApiRequestInProgress])
// Track the actual streaming state for the cancel button separately.
// This ensures the cancel button remains enabled during API requests,
// even when there's a tool approval dialog.
const isApiRequestInProgress = useMemo(() => {
const isLastMessagePartial = modifiedMessages.at(-1)?.partial === true
if (isLastMessagePartial) {
return true
}
const lastApiReqStarted = findLast(
modifiedMessages,
(message: ClineMessage) => message.say === "api_req_started",
)
if (
lastApiReqStarted &&
lastApiReqStarted.text !== null &&
lastApiReqStarted.text !== undefined &&
lastApiReqStarted.say === "api_req_started"
) {
const cost = JSON.parse(lastApiReqStarted.text).cost
if (cost === undefined) {
return true // API request has not finished yet.
}
}
return false
}, [modifiedMessages])
return checkApiRequestInProgress(modifiedMessages)
}, [modifiedMessages, checkApiRequestInProgress])
const markFollowUpAsAnswered = useCallback(() => {
const lastFollowUpMessage = messagesRef.current.findLast((msg: ClineMessage) => msg.ask === "followup")
@ -764,9 +743,13 @@ const ChatViewComponent: React.ForwardRefRenderFunction<ChatViewRef, ChatViewPro
const trimmedInput = text?.trim()
if (isStreaming || isApiRequestInProgress) {
if ((isStreaming || isApiRequestInProgress) && !isCancelPending) {
// Prevent rapid clicks by setting pending state
setIsCancelPending(true)
vscode.postMessage({ type: "cancelTask" })
setDidClickCancel(true)
// Reset pending state after a short delay
setTimeout(() => setIsCancelPending(false), 1000)
return
}
@ -804,7 +787,7 @@ const ChatViewComponent: React.ForwardRefRenderFunction<ChatViewRef, ChatViewPro
setClineAsk(undefined)
setEnableButtons(false)
},
[clineAsk, startNewTask, isStreaming, isApiRequestInProgress],
[clineAsk, startNewTask, isStreaming, isApiRequestInProgress, isCancelPending],
)
const { info: model } = useSelectedModel(apiConfiguration)

514
webview-ui/src/components/chat/__tests__/ChatView.cancel-button.spec.tsx Normal file
View file

@ -0,0 +1,514 @@
// npx vitest run src/components/chat/__tests__/ChatView.cancel-button.spec.tsx
import React from "react"
import { render, waitFor, fireEvent } from "@/utils/test-utils"
import { QueryClient, QueryClientProvider } from "@tanstack/react-query"
import { ExtensionStateContextProvider } from "@src/context/ExtensionStateContext"
import { vscode } from "@src/utils/vscode"
import ChatView, { ChatViewProps } from "../ChatView"
// Define minimal types needed for testing
interface ClineMessage {
type: "say" | "ask"
say?: string
ask?: string
ts: number
text?: string
partial?: boolean
}
interface ExtensionState {
version: string
clineMessages: ClineMessage[]
taskHistory: any[]
shouldShowAnnouncement: boolean
allowedCommands: string[]
alwaysAllowExecute: boolean
[key: string]: any
}
// Mock vscode API
vi.mock("@src/utils/vscode", () => ({
vscode: {
postMessage: vi.fn(),
},
}))
// Mock use-sound hook
const mockPlayFunction = vi.fn()
vi.mock("use-sound", () => ({
default: vi.fn().mockImplementation(() => {
return [mockPlayFunction]
}),
}))
// Mock components
vi.mock("../BrowserSessionRow", () => ({
default: function MockBrowserSessionRow() {
return <div data-testid="browser-session"></div>
},
}))
vi.mock("../ChatRow", () => ({
default: function MockChatRow() {
return <div data-testid="chat-row"></div>
},
}))
vi.mock("../AutoApproveMenu", () => ({
default: () => null,
}))
vi.mock("../../common/VersionIndicator", () => ({
default: () => null,
}))
vi.mock("../Announcement", () => ({
default: () => null,
}))
vi.mock("@/components/common/DismissibleUpsell", () => ({
default: () => null,
}))
vi.mock("../QueuedMessages", () => ({
QueuedMessages: () => null,
}))
vi.mock("@src/components/welcome/RooTips", () => ({
default: () => null,
}))
vi.mock("@src/components/welcome/RooHero", () => ({
default: () => null,
}))
vi.mock("../common/TelemetryBanner", () => ({
default: () => null,
}))
// Mock i18n
vi.mock("react-i18next", () => ({
useTranslation: () => ({
t: (key: string) => key,
}),
initReactI18next: {
type: "3rdParty",
init: () => {},
},
Trans: ({ children }: { children?: React.ReactNode }) => <>{children}</>,
}))
vi.mock("../ChatTextArea", () => {
// eslint-disable-next-line @typescript-eslint/no-require-imports
const mockReact = require("react")
return {
default: mockReact.forwardRef(function MockChatTextArea(_: any, ref: React.ForwardedRef<any>) {
mockReact.useImperativeHandle(ref, () => ({
focus: vi.fn(),
}))
return <div data-testid="chat-textarea" />
}),
ChatTextArea: () => <div data-testid="chat-textarea" />,
}
})
// Mock VSCode components
vi.mock("@vscode/webview-ui-toolkit/react", () => ({
VSCodeButton: function MockVSCodeButton({
children,
onClick,
disabled,
}: {
children: React.ReactNode
onClick?: () => void
disabled?: boolean
}) {
return (
<button onClick={onClick} disabled={disabled} data-testid="vscode-button">
{children}
</button>
)
},
VSCodeTextField: () => null,
VSCodeLink: () => null,
}))
// Helper to mock window.postMessage for state hydration
const mockPostMessage = (state: Partial<ExtensionState>) => {
window.postMessage(
{
type: "state",
state: {
version: "1.0.0",
clineMessages: [],
taskHistory: [],
shouldShowAnnouncement: false,
allowedCommands: [],
alwaysAllowExecute: false,
cloudIsAuthenticated: false,
telemetrySetting: "enabled",
...state,
},
},
"*",
)
}
const defaultProps: ChatViewProps = {
isHidden: false,
showAnnouncement: false,
hideAnnouncement: () => {},
}
const queryClient = new QueryClient()
const renderChatView = (props: Partial<ChatViewProps> = {}) => {
return render(
<ExtensionStateContextProvider>
<QueryClientProvider client={queryClient}>
<ChatView {...defaultProps} {...props} />
</QueryClientProvider>
</ExtensionStateContextProvider>,
)
}
describe("ChatView - Cancel Button Tests", () => {
beforeEach(() => {
vi.clearAllMocks()
vi.useFakeTimers()
})
afterEach(() => {
vi.useRealTimers()
})
it("keeps cancel button enabled during API request even with tool approval dialog", async () => {
const { container } = renderChatView()
// First hydrate state with initial task
mockPostMessage({
clineMessages: [
{
type: "say",
say: "task",
ts: Date.now() - 3000,
text: "Initial task",
},
],
})
// Add API request in progress (no cost)
mockPostMessage({
clineMessages: [
{
type: "say",
say: "task",
ts: Date.now() - 3000,
text: "Initial task",
},
{
type: "say",
say: "api_req_started",
ts: Date.now() - 2000,
text: JSON.stringify({ apiProtocol: "anthropic" }), // No cost = streaming
},
],
})
// Clear any initial calls
vi.mocked(vscode.postMessage).mockClear()
// Add tool approval dialog while API is still running
mockPostMessage({
clineMessages: [
{
type: "say",
say: "task",
ts: Date.now() - 3000,
text: "Initial task",
},
{
type: "say",
say: "api_req_started",
ts: Date.now() - 2000,
text: JSON.stringify({ apiProtocol: "anthropic" }), // Still no cost
},
{
type: "ask",
ask: "tool",
ts: Date.now(),
text: JSON.stringify({ tool: "readFile", path: "test.txt" }),
partial: false,
},
],
})
// Wait for component to update
await waitFor(() => {
const buttons = container.querySelectorAll('[data-testid="vscode-button"]')
// Find the cancel button (should be displayed when isApiRequestInProgress is true)
const cancelButton = Array.from(buttons).find((btn) => btn.textContent?.includes("chat:cancel.title"))
expect(cancelButton).toBeTruthy()
expect(cancelButton?.getAttribute("disabled")).toBe("false")
})
})
it("disables cancel button after it is clicked (pending state)", async () => {
const { container } = renderChatView()
// Set up state with API request in progress
mockPostMessage({
clineMessages: [
{
type: "say",
say: "task",
ts: Date.now() - 2000,
text: "Initial task",
},
{
type: "say",
say: "api_req_started",
ts: Date.now(),
text: JSON.stringify({ apiProtocol: "anthropic" }), // No cost = streaming
},
],
})
// Clear any initial calls
vi.mocked(vscode.postMessage).mockClear()
// Wait for cancel button to be rendered
await waitFor(() => {
const buttons = container.querySelectorAll('[data-testid="vscode-button"]')
const cancelButton = Array.from(buttons).find((btn) => btn.textContent?.includes("chat:cancel.title"))
expect(cancelButton).toBeTruthy()
})
// Find and click the cancel button
const buttons = container.querySelectorAll('[data-testid="vscode-button"]')
const cancelButton = Array.from(buttons).find((btn) =>
btn.textContent?.includes("chat:cancel.title"),
) as HTMLButtonElement
fireEvent.click(cancelButton)
// Check that cancel message was sent
await waitFor(() => {
expect(vscode.postMessage).toHaveBeenCalledWith({
type: "cancelTask",
})
})
// Cancel button should be temporarily disabled to prevent rapid clicks
// Note: The implementation sets isCancelPending which affects the disabled state
expect(cancelButton.disabled).toBe(true)
// After timeout, button should be enabled again (if still showing)
vi.advanceTimersByTime(1000)
// Note: In the real implementation, the button might disappear after cancel,
// but the isCancelPending flag would be reset after 1 second
})
it("shows cancel button when API request is in progress without tool dialog", async () => {
const { container } = renderChatView()
// Set up state with only API request (no tool dialog)
mockPostMessage({
clineMessages: [
{
type: "say",
say: "task",
ts: Date.now() - 2000,
text: "Initial task",
},
{
type: "say",
say: "api_req_started",
ts: Date.now(),
text: JSON.stringify({ apiProtocol: "anthropic" }), // No cost = streaming
},
],
})
// Wait for cancel button to appear
await waitFor(() => {
const buttons = container.querySelectorAll('[data-testid="vscode-button"]')
const cancelButton = Array.from(buttons).find((btn) => btn.textContent?.includes("chat:cancel.title"))
expect(cancelButton).toBeTruthy()
expect(cancelButton?.getAttribute("disabled")).toBe("false")
})
})
it("hides cancel button when API request completes (cost present)", async () => {
const { container } = renderChatView()
// Start with API request in progress
mockPostMessage({
clineMessages: [
{
type: "say",
say: "task",
ts: Date.now() - 2000,
text: "Initial task",
},
{
type: "say",
say: "api_req_started",
ts: Date.now() - 1000,
text: JSON.stringify({ apiProtocol: "anthropic" }), // No cost = streaming
},
],
})
// Wait for cancel button to appear
await waitFor(() => {
const buttons = container.querySelectorAll('[data-testid="vscode-button"]')
const cancelButton = Array.from(buttons).find((btn) => btn.textContent?.includes("chat:cancel.title"))
expect(cancelButton).toBeTruthy()
})
// Complete the API request (add cost)
mockPostMessage({
clineMessages: [
{
type: "say",
say: "task",
ts: Date.now() - 2000,
text: "Initial task",
},
{
type: "say",
say: "api_req_started",
ts: Date.now() - 1000,
text: JSON.stringify({
apiProtocol: "anthropic",
cost: 0.05, // Cost present = completed
tokensIn: 100,
tokensOut: 50,
}),
},
],
})
// Cancel button should disappear when API request completes
await waitFor(() => {
const buttons = container.querySelectorAll('[data-testid="vscode-button"]')
const cancelButton = Array.from(buttons).find((btn) => btn.textContent?.includes("chat:cancel.title"))
// Cancel button should not be present when API is complete
expect(cancelButton).toBeFalsy()
})
})
it("tracks API request state separately from UI streaming state", async () => {
const { container } = renderChatView()
// Set up complex state with tool dialog AND API request
mockPostMessage({
clineMessages: [
{
type: "say",
say: "task",
ts: Date.now() - 3000,
text: "Initial task",
},
{
type: "say",
say: "api_req_started",
ts: Date.now() - 2000,
text: JSON.stringify({ apiProtocol: "anthropic" }), // No cost = streaming
},
{
type: "ask",
ask: "tool",
ts: Date.now(),
text: JSON.stringify({ tool: "editedExistingFile", path: "test.txt" }),
partial: false, // Tool dialog is complete
},
],
})
// Wait for buttons to be rendered
await waitFor(() => {
const buttons = container.querySelectorAll('[data-testid="vscode-button"]')
expect(buttons.length).toBeGreaterThan(0)
})
// Should have both approve/reject buttons AND cancel button
const buttons = container.querySelectorAll('[data-testid="vscode-button"]')
// Find buttons by their text content
const approveButton = Array.from(buttons).find(
(btn) => btn.textContent?.includes("chat:save.title") || btn.textContent?.includes("chat:approve.title"),
)
const rejectButton = Array.from(buttons).find((btn) => btn.textContent?.includes("chat:reject.title"))
const cancelButton = Array.from(buttons).find((btn) => btn.textContent?.includes("chat:cancel.title"))
// Tool dialog buttons should be present
expect(approveButton).toBeTruthy()
expect(rejectButton).toBeTruthy()
// Cancel button should also be present due to API request in progress
expect(cancelButton).toBeTruthy()
expect(cancelButton?.getAttribute("disabled")).toBe("false")
})
it("prevents multiple rapid cancel button clicks", async () => {
const { container } = renderChatView()
// Set up state with API request in progress
mockPostMessage({
clineMessages: [
{
type: "say",
say: "task",
ts: Date.now() - 2000,
text: "Initial task",
},
{
type: "say",
say: "api_req_started",
ts: Date.now(),
text: JSON.stringify({ apiProtocol: "anthropic" }), // No cost = streaming
},
],
})
// Clear any initial calls
vi.mocked(vscode.postMessage).mockClear()
// Wait for cancel button to be rendered
await waitFor(() => {
const buttons = container.querySelectorAll('[data-testid="vscode-button"]')
const cancelButton = Array.from(buttons).find((btn) => btn.textContent?.includes("chat:cancel.title"))
expect(cancelButton).toBeTruthy()
})
// Find the cancel button
const buttons = container.querySelectorAll('[data-testid="vscode-button"]')
const cancelButton = Array.from(buttons).find((btn) =>
btn.textContent?.includes("chat:cancel.title"),
) as HTMLButtonElement
// Click cancel button multiple times rapidly
fireEvent.click(cancelButton)
fireEvent.click(cancelButton)
fireEvent.click(cancelButton)
// Should only send one cancel message despite multiple clicks
await waitFor(() => {
expect(vscode.postMessage).toHaveBeenCalledTimes(1)
expect(vscode.postMessage).toHaveBeenCalledWith({
type: "cancelTask",
})
})
})
})