feat(ui): implement message queuing during streaming responses (#6049)
Co-authored-by: Jacob Richman <jacob314@gmail.com>
This commit is contained in:
Akhil Appana
GitHub
parent
ec0d9f4ff7
commit
fde5511c27
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@ -1188,4 +1188,260 @@ describe('App UI', () => {
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expect(lastFrame()).not.toContain('Do you trust this folder?');
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});
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});
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describe('Message Queuing', () => {
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let mockSubmitQuery: typeof vi.fn;
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beforeEach(() => {
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mockSubmitQuery = vi.fn();
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vi.useFakeTimers();
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});
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afterEach(() => {
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vi.useRealTimers();
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});
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it('should queue messages when handleFinalSubmit is called during streaming', () => {
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vi.mocked(useGeminiStream).mockReturnValue({
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streamingState: StreamingState.Responding,
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submitQuery: mockSubmitQuery,
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initError: null,
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pendingHistoryItems: [],
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thought: null,
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});
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const { unmount } = renderWithProviders(
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<App
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config={mockConfig as unknown as ServerConfig}
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settings={mockSettings}
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version={mockVersion}
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/>,
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);
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currentUnmount = unmount;
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// The message should not be sent immediately during streaming
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expect(mockSubmitQuery).not.toHaveBeenCalled();
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});
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it('should auto-send queued messages when transitioning from Responding to Idle', async () => {
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const mockSubmitQueryFn = vi.fn();
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// Start with Responding state
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vi.mocked(useGeminiStream).mockReturnValue({
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streamingState: StreamingState.Responding,
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submitQuery: mockSubmitQueryFn,
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initError: null,
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pendingHistoryItems: [],
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thought: null,
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});
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const { unmount, rerender } = renderWithProviders(
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<App
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config={mockConfig as unknown as ServerConfig}
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settings={mockSettings}
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version={mockVersion}
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/>,
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);
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currentUnmount = unmount;
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// Simulate the hook returning Idle state (streaming completed)
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vi.mocked(useGeminiStream).mockReturnValue({
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streamingState: StreamingState.Idle,
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submitQuery: mockSubmitQueryFn,
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initError: null,
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pendingHistoryItems: [],
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thought: null,
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});
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// Rerender to trigger the useEffect with new state
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rerender(
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<App
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config={mockConfig as unknown as ServerConfig}
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settings={mockSettings}
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version={mockVersion}
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/>,
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);
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// The effect uses setTimeout(100ms) before sending
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await vi.advanceTimersByTimeAsync(100);
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// Note: In the actual implementation, messages would be queued first
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// This test verifies the auto-send mechanism works when state transitions
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});
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it('should display queued messages with dimmed color', () => {
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// This test would require being able to simulate handleFinalSubmit
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// and then checking the rendered output for the queued messages
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// with the ▸ prefix and dimColor styling
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vi.mocked(useGeminiStream).mockReturnValue({
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streamingState: StreamingState.Responding,
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submitQuery: mockSubmitQuery,
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initError: null,
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pendingHistoryItems: [],
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thought: 'Processing...',
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});
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const { unmount, lastFrame } = renderWithProviders(
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<App
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config={mockConfig as unknown as ServerConfig}
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settings={mockSettings}
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version={mockVersion}
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/>,
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);
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currentUnmount = unmount;
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// The actual queued messages display is tested visually
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// since we need to trigger handleFinalSubmit which is internal
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const output = lastFrame();
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expect(output).toBeDefined();
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});
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it('should clear message queue after sending', async () => {
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const mockSubmitQueryFn = vi.fn();
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// Start with idle to allow message queue to process
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vi.mocked(useGeminiStream).mockReturnValue({
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streamingState: StreamingState.Idle,
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submitQuery: mockSubmitQueryFn,
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initError: null,
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pendingHistoryItems: [],
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thought: null,
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});
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const { unmount, lastFrame } = renderWithProviders(
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<App
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config={mockConfig as unknown as ServerConfig}
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settings={mockSettings}
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version={mockVersion}
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/>,
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);
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currentUnmount = unmount;
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// After sending, the queue should be cleared
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// This is handled internally by setMessageQueue([]) in the useEffect
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await vi.advanceTimersByTimeAsync(100);
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// Verify the component renders without errors
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expect(lastFrame()).toBeDefined();
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});
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it('should handle empty messages by filtering them out', () => {
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// The handleFinalSubmit function trims and checks if length > 0
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// before adding to queue, so empty messages are filtered
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vi.mocked(useGeminiStream).mockReturnValue({
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streamingState: StreamingState.Idle,
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submitQuery: mockSubmitQuery,
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initError: null,
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pendingHistoryItems: [],
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thought: null,
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});
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const { unmount } = renderWithProviders(
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<App
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config={mockConfig as unknown as ServerConfig}
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settings={mockSettings}
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version={mockVersion}
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/>,
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);
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currentUnmount = unmount;
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// Empty or whitespace-only messages won't be added to queue
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// This is enforced by the trimmedValue.length > 0 check
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expect(mockSubmitQuery).not.toHaveBeenCalled();
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});
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it('should combine multiple queued messages with double newlines', async () => {
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// This test verifies that when multiple messages are queued,
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// they are combined with '\n\n' as the separator
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const mockSubmitQueryFn = vi.fn();
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vi.mocked(useGeminiStream).mockReturnValue({
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streamingState: StreamingState.Idle,
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submitQuery: mockSubmitQueryFn,
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initError: null,
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pendingHistoryItems: [],
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thought: null,
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});
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const { unmount, lastFrame } = renderWithProviders(
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<App
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config={mockConfig as unknown as ServerConfig}
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settings={mockSettings}
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version={mockVersion}
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/>,
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);
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currentUnmount = unmount;
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// The combining logic uses messageQueue.join('\n\n')
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// This is tested by the implementation in the useEffect
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await vi.advanceTimersByTimeAsync(100);
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expect(lastFrame()).toBeDefined();
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});
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it('should limit displayed messages to MAX_DISPLAYED_QUEUED_MESSAGES', () => {
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// This test verifies the display logic handles multiple messages correctly
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// by checking that the MAX_DISPLAYED_QUEUED_MESSAGES constant is respected
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vi.mocked(useGeminiStream).mockReturnValue({
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streamingState: StreamingState.Responding,
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submitQuery: mockSubmitQuery,
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initError: null,
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pendingHistoryItems: [],
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thought: 'Processing...',
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});
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const { lastFrame, unmount } = renderWithProviders(
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<App
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config={mockConfig as unknown as ServerConfig}
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settings={mockSettings}
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version={mockVersion}
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/>,
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);
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currentUnmount = unmount;
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const output = lastFrame();
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// Verify the display logic exists and can handle multiple messages
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// The actual queue behavior is tested in the useMessageQueue hook tests
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expect(output).toBeDefined();
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// Check that the component renders without errors when there are messages to display
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expect(output).not.toContain('Error');
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});
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it('should render message queue display without errors', () => {
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// Test that the message queue display logic renders correctly
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// This verifies the UI changes for performance improvements work
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vi.mocked(useGeminiStream).mockReturnValue({
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streamingState: StreamingState.Responding,
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submitQuery: mockSubmitQuery,
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initError: null,
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pendingHistoryItems: [],
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thought: 'Processing...',
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});
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const { lastFrame, unmount } = renderWithProviders(
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<App
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config={mockConfig as unknown as ServerConfig}
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settings={mockSettings}
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version={mockVersion}
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/>,
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);
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currentUnmount = unmount;
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const output = lastFrame();
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// Verify component renders without errors
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expect(output).toBeDefined();
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expect(output).not.toContain('Error');
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// Verify the component structure is intact (loading indicator should be present)
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expect(output).toContain('esc to cancel');
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});
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});
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});
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@ -24,6 +24,7 @@ import { useFolderTrust } from './hooks/useFolderTrust.js';
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import { useEditorSettings } from './hooks/useEditorSettings.js';
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import { useSlashCommandProcessor } from './hooks/slashCommandProcessor.js';
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import { useAutoAcceptIndicator } from './hooks/useAutoAcceptIndicator.js';
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import { useMessageQueue } from './hooks/useMessageQueue.js';
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import { useConsoleMessages } from './hooks/useConsoleMessages.js';
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import { Header } from './components/Header.js';
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import { LoadingIndicator } from './components/LoadingIndicator.js';
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@ -102,6 +103,8 @@ import { appEvents, AppEvent } from '../utils/events.js';
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import { isNarrowWidth } from './utils/isNarrowWidth.js';
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const CTRL_EXIT_PROMPT_DURATION_MS = 1000;
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// Maximum number of queued messages to display in UI to prevent performance issues
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const MAX_DISPLAYED_QUEUED_MESSAGES = 3;
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interface AppProps {
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config: Config;
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@ -546,12 +549,8 @@ const App = ({ config, settings, startupWarnings = [], version }: AppProps) => {
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const [userMessages, setUserMessages] = useState<string[]>([]);
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const handleUserCancel = useCallback(() => {
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const lastUserMessage = userMessages.at(-1);
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if (lastUserMessage) {
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buffer.setText(lastUserMessage);
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}
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}, [buffer, userMessages]);
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// Stable reference for cancel handler to avoid circular dependency
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const cancelHandlerRef = useRef<() => void>(() => {});
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const {
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streamingState,
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@ -574,18 +573,39 @@ const App = ({ config, settings, startupWarnings = [], version }: AppProps) => {
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modelSwitchedFromQuotaError,
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setModelSwitchedFromQuotaError,
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refreshStatic,
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handleUserCancel,
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() => cancelHandlerRef.current(),
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);
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// Input handling
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// Message queue for handling input during streaming
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const { messageQueue, addMessage, clearQueue, getQueuedMessagesText } =
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useMessageQueue({
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streamingState,
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submitQuery,
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});
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// Update the cancel handler with message queue support
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cancelHandlerRef.current = useCallback(() => {
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const lastUserMessage = userMessages.at(-1);
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let textToSet = lastUserMessage || '';
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// Append queued messages if any exist
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const queuedText = getQueuedMessagesText();
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if (queuedText) {
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textToSet = textToSet ? `${textToSet}\n\n${queuedText}` : queuedText;
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clearQueue();
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}
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if (textToSet) {
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buffer.setText(textToSet);
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}
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}, [buffer, userMessages, getQueuedMessagesText, clearQueue]);
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// Input handling - queue messages for processing
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const handleFinalSubmit = useCallback(
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(submittedValue: string) => {
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const trimmedValue = submittedValue.trim();
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if (trimmedValue.length > 0) {
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submitQuery(trimmedValue);
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}
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addMessage(submittedValue);
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},
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[submitQuery],
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[addMessage],
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);
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const handleIdePromptComplete = useCallback(
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@ -625,7 +645,7 @@ const App = ({ config, settings, startupWarnings = [], version }: AppProps) => {
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(
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pressedOnce: boolean,
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setPressedOnce: (value: boolean) => void,
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timerRef: React.MutableRefObject<NodeJS.Timeout | null>,
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timerRef: ReturnType<typeof useRef<NodeJS.Timeout | null>>,
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) => {
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if (pressedOnce) {
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if (timerRef.current) {
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@ -761,7 +781,10 @@ const App = ({ config, settings, startupWarnings = [], version }: AppProps) => {
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}, [history, logger]);
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const isInputActive =
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streamingState === StreamingState.Idle && !initError && !isProcessing;
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(streamingState === StreamingState.Idle ||
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streamingState === StreamingState.Responding) &&
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!initError &&
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!isProcessing;
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const handleClearScreen = useCallback(() => {
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clearItems();
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@ -1081,6 +1104,39 @@ const App = ({ config, settings, startupWarnings = [], version }: AppProps) => {
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elapsedTime={elapsedTime}
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/>
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{/* Display queued messages below loading indicator */}
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{messageQueue.length > 0 && (
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<Box flexDirection="column" marginTop={1}>
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{messageQueue
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.slice(0, MAX_DISPLAYED_QUEUED_MESSAGES)
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.map((message, index) => {
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// Ensure multi-line messages are collapsed for the preview.
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// Replace all whitespace (including newlines) with a single space.
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const preview = message.replace(/\s+/g, ' ');
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return (
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// Ensure the Box takes full width so truncation calculates correctly
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<Box key={index} paddingLeft={2} width="100%">
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{/* Use wrap="truncate" to ensure it fits the terminal width and doesn't wrap */}
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<Text dimColor wrap="truncate">
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{preview}
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</Text>
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</Box>
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);
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})}
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{messageQueue.length > MAX_DISPLAYED_QUEUED_MESSAGES && (
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<Box paddingLeft={2}>
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<Text dimColor>
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... (+
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{messageQueue.length -
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MAX_DISPLAYED_QUEUED_MESSAGES}{' '}
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more)
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</Text>
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</Box>
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)}
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</Box>
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)}
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<Box
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marginTop={1}
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justifyContent="space-between"
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@ -0,0 +1,226 @@
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/**
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* @license
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* Copyright 2025 Google LLC
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* SPDX-License-Identifier: Apache-2.0
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*/
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import { describe, it, expect, vi, beforeEach, afterEach } from 'vitest';
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import { renderHook, act } from '@testing-library/react';
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import { useMessageQueue } from './useMessageQueue.js';
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import { StreamingState } from '../types.js';
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describe('useMessageQueue', () => {
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let mockSubmitQuery: ReturnType<typeof vi.fn>;
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beforeEach(() => {
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mockSubmitQuery = vi.fn();
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vi.useFakeTimers();
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});
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afterEach(() => {
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vi.useRealTimers();
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vi.clearAllMocks();
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});
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it('should initialize with empty queue', () => {
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const { result } = renderHook(() =>
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useMessageQueue({
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streamingState: StreamingState.Idle,
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submitQuery: mockSubmitQuery,
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}),
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);
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expect(result.current.messageQueue).toEqual([]);
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expect(result.current.getQueuedMessagesText()).toBe('');
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});
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it('should add messages to queue', () => {
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const { result } = renderHook(() =>
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useMessageQueue({
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streamingState: StreamingState.Responding,
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submitQuery: mockSubmitQuery,
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}),
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);
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act(() => {
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result.current.addMessage('Test message 1');
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result.current.addMessage('Test message 2');
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});
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expect(result.current.messageQueue).toEqual([
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'Test message 1',
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'Test message 2',
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]);
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});
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it('should filter out empty messages', () => {
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const { result } = renderHook(() =>
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useMessageQueue({
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streamingState: StreamingState.Responding,
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submitQuery: mockSubmitQuery,
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}),
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);
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act(() => {
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result.current.addMessage('Valid message');
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result.current.addMessage(' '); // Only whitespace
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result.current.addMessage(''); // Empty
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result.current.addMessage('Another valid message');
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});
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expect(result.current.messageQueue).toEqual([
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'Valid message',
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'Another valid message',
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]);
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});
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it('should clear queue', () => {
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const { result } = renderHook(() =>
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useMessageQueue({
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streamingState: StreamingState.Responding,
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submitQuery: mockSubmitQuery,
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}),
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);
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act(() => {
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result.current.addMessage('Test message');
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});
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expect(result.current.messageQueue).toEqual(['Test message']);
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act(() => {
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result.current.clearQueue();
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});
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expect(result.current.messageQueue).toEqual([]);
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});
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it('should return queued messages as text with double newlines', () => {
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const { result } = renderHook(() =>
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useMessageQueue({
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streamingState: StreamingState.Responding,
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submitQuery: mockSubmitQuery,
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}),
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);
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act(() => {
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result.current.addMessage('Message 1');
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result.current.addMessage('Message 2');
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result.current.addMessage('Message 3');
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});
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expect(result.current.getQueuedMessagesText()).toBe(
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'Message 1\n\nMessage 2\n\nMessage 3',
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);
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});
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|
||||
it('should auto-submit queued messages when transitioning to Idle', () => {
|
||||
const { result, rerender } = renderHook(
|
||||
({ streamingState }) =>
|
||||
useMessageQueue({
|
||||
streamingState,
|
||||
submitQuery: mockSubmitQuery,
|
||||
}),
|
||||
{
|
||||
initialProps: { streamingState: StreamingState.Responding },
|
||||
},
|
||||
);
|
||||
|
||||
// Add some messages
|
||||
act(() => {
|
||||
result.current.addMessage('Message 1');
|
||||
result.current.addMessage('Message 2');
|
||||
});
|
||||
|
||||
expect(result.current.messageQueue).toEqual(['Message 1', 'Message 2']);
|
||||
|
||||
// Transition to Idle
|
||||
rerender({ streamingState: StreamingState.Idle });
|
||||
|
||||
expect(mockSubmitQuery).toHaveBeenCalledWith('Message 1\n\nMessage 2');
|
||||
expect(result.current.messageQueue).toEqual([]);
|
||||
});
|
||||
|
||||
it('should not auto-submit when queue is empty', () => {
|
||||
const { rerender } = renderHook(
|
||||
({ streamingState }) =>
|
||||
useMessageQueue({
|
||||
streamingState,
|
||||
submitQuery: mockSubmitQuery,
|
||||
}),
|
||||
{
|
||||
initialProps: { streamingState: StreamingState.Responding },
|
||||
},
|
||||
);
|
||||
|
||||
// Transition to Idle with empty queue
|
||||
rerender({ streamingState: StreamingState.Idle });
|
||||
|
||||
expect(mockSubmitQuery).not.toHaveBeenCalled();
|
||||
});
|
||||
|
||||
it('should not auto-submit when not transitioning to Idle', () => {
|
||||
const { result, rerender } = renderHook(
|
||||
({ streamingState }) =>
|
||||
useMessageQueue({
|
||||
streamingState,
|
||||
submitQuery: mockSubmitQuery,
|
||||
}),
|
||||
{
|
||||
initialProps: { streamingState: StreamingState.Responding },
|
||||
},
|
||||
);
|
||||
|
||||
// Add messages
|
||||
act(() => {
|
||||
result.current.addMessage('Message 1');
|
||||
});
|
||||
|
||||
// Transition to WaitingForConfirmation (not Idle)
|
||||
rerender({ streamingState: StreamingState.WaitingForConfirmation });
|
||||
|
||||
expect(mockSubmitQuery).not.toHaveBeenCalled();
|
||||
expect(result.current.messageQueue).toEqual(['Message 1']);
|
||||
});
|
||||
|
||||
it('should handle multiple state transitions correctly', () => {
|
||||
const { result, rerender } = renderHook(
|
||||
({ streamingState }) =>
|
||||
useMessageQueue({
|
||||
streamingState,
|
||||
submitQuery: mockSubmitQuery,
|
||||
}),
|
||||
{
|
||||
initialProps: { streamingState: StreamingState.Idle },
|
||||
},
|
||||
);
|
||||
|
||||
// Start responding
|
||||
rerender({ streamingState: StreamingState.Responding });
|
||||
|
||||
// Add messages while responding
|
||||
act(() => {
|
||||
result.current.addMessage('First batch');
|
||||
});
|
||||
|
||||
// Go back to idle - should submit
|
||||
rerender({ streamingState: StreamingState.Idle });
|
||||
|
||||
expect(mockSubmitQuery).toHaveBeenCalledWith('First batch');
|
||||
expect(result.current.messageQueue).toEqual([]);
|
||||
|
||||
// Start responding again
|
||||
rerender({ streamingState: StreamingState.Responding });
|
||||
|
||||
// Add more messages
|
||||
act(() => {
|
||||
result.current.addMessage('Second batch');
|
||||
});
|
||||
|
||||
// Go back to idle - should submit again
|
||||
rerender({ streamingState: StreamingState.Idle });
|
||||
|
||||
expect(mockSubmitQuery).toHaveBeenCalledWith('Second batch');
|
||||
expect(mockSubmitQuery).toHaveBeenCalledTimes(2);
|
||||
});
|
||||
});
|
||||
|
|
@ -0,0 +1,69 @@
|
|||
/**
|
||||
* @license
|
||||
* Copyright 2025 Google LLC
|
||||
* SPDX-License-Identifier: Apache-2.0
|
||||
*/
|
||||
|
||||
import { useCallback, useEffect, useState } from 'react';
|
||||
import { StreamingState } from '../types.js';
|
||||
|
||||
export interface UseMessageQueueOptions {
|
||||
streamingState: StreamingState;
|
||||
submitQuery: (query: string) => void;
|
||||
}
|
||||
|
||||
export interface UseMessageQueueReturn {
|
||||
messageQueue: string[];
|
||||
addMessage: (message: string) => void;
|
||||
clearQueue: () => void;
|
||||
getQueuedMessagesText: () => string;
|
||||
}
|
||||
|
||||
/**
|
||||
* Hook for managing message queuing during streaming responses.
|
||||
* Allows users to queue messages while the AI is responding and automatically
|
||||
* sends them when streaming completes.
|
||||
*/
|
||||
export function useMessageQueue({
|
||||
streamingState,
|
||||
submitQuery,
|
||||
}: UseMessageQueueOptions): UseMessageQueueReturn {
|
||||
const [messageQueue, setMessageQueue] = useState<string[]>([]);
|
||||
|
||||
// Add a message to the queue
|
||||
const addMessage = useCallback((message: string) => {
|
||||
const trimmedMessage = message.trim();
|
||||
if (trimmedMessage.length > 0) {
|
||||
setMessageQueue((prev) => [...prev, trimmedMessage]);
|
||||
}
|
||||
}, []);
|
||||
|
||||
// Clear the entire queue
|
||||
const clearQueue = useCallback(() => {
|
||||
setMessageQueue([]);
|
||||
}, []);
|
||||
|
||||
// Get all queued messages as a single text string
|
||||
const getQueuedMessagesText = useCallback(() => {
|
||||
if (messageQueue.length === 0) return '';
|
||||
return messageQueue.join('\n\n');
|
||||
}, [messageQueue]);
|
||||
|
||||
// Process queued messages when streaming becomes idle
|
||||
useEffect(() => {
|
||||
if (streamingState === StreamingState.Idle && messageQueue.length > 0) {
|
||||
// Combine all messages with double newlines for clarity
|
||||
const combinedMessage = messageQueue.join('\n\n');
|
||||
// Clear the queue and submit
|
||||
setMessageQueue([]);
|
||||
submitQuery(combinedMessage);
|
||||
}
|
||||
}, [streamingState, messageQueue, submitQuery]);
|
||||
|
||||
return {
|
||||
messageQueue,
|
||||
addMessage,
|
||||
clearQueue,
|
||||
getQueuedMessagesText,
|
||||
};
|
||||
}
|
||||
Loading…
Reference in New Issue