Testing infrastructure, fix truncating of dataURLs (#26)
* feat: implement comprehensive testing infrastructure - Fix image dataURL truncation bug in security.ts with configurable size limits - Add backend integration tests (22 tests) with Vitest for API validation - Add frontend unit tests (11 tests) for JSON serialization - Implement browser-based E2E tests (8 tests) with Playwright - Create Docker setup for repeatable E2E testing environment - Add GitHub Actions CI workflow for automated testing - Update .gitignore for test artifacts and temporary files Testing Infrastructure: - Backend: Vitest + Supertest for API integration tests - Frontend: Vitest + Testing Library for component tests - E2E: Playwright with Chromium for full browser automation - CI/CD: GitHub Actions with parallel test execution Security Improvements: - Make dataURL size limit configurable (default: 10MB) - Enhanced validation for image dataURLs - Block malicious content (javascript:, script tags) All tests pass: 41 total (22 backend + 11 frontend + 8 E2E) * feat(tests): add comprehensive E2E tests for dashboard workflows and image persistence chore(env): update environment variables for consistent API URL usage fix(api): centralize API request helpers for drawing and collection management style(DrawingCard): enhance accessibility with ARIA attributes and data-testid for testing * cleanup/revise documentation * cleanup/revise documentation * Add end-to-end tests for drawing CRUD, export/import, search/sort, and theme toggle functionalities - Implemented E2E tests for drawing creation, editing, and deletion in `drawing-crud.spec.ts`. - Added tests for export and import features, including JSON and SQLite formats in `export-import.spec.ts`. - Created tests for searching and sorting drawings by name and date in `search-and-sort.spec.ts`. - Developed tests for theme toggle functionality to ensure persistence across sessions in `theme-toggle.spec.ts`. * fix: exclude test files from production build to fix Docker build * feat: implement comprehensive testing infrastructure (#19) * bump version 0.1.7 * feat: implement comprehensive testing infrastructure - Fix image dataURL truncation bug in security.ts with configurable size limits - Add backend integration tests (22 tests) with Vitest for API validation - Add frontend unit tests (11 tests) for JSON serialization - Implement browser-based E2E tests (8 tests) with Playwright - Create Docker setup for repeatable E2E testing environment - Add GitHub Actions CI workflow for automated testing - Update .gitignore for test artifacts and temporary files Testing Infrastructure: - Backend: Vitest + Supertest for API integration tests - Frontend: Vitest + Testing Library for component tests - E2E: Playwright with Chromium for full browser automation - CI/CD: GitHub Actions with parallel test execution Security Improvements: - Make dataURL size limit configurable (default: 10MB) - Enhanced validation for image dataURLs - Block malicious content (javascript:, script tags) All tests pass: 41 total (22 backend + 11 frontend + 8 E2E) * feat(tests): add comprehensive E2E tests for dashboard workflows and image persistence chore(env): update environment variables for consistent API URL usage fix(api): centralize API request helpers for drawing and collection management style(DrawingCard): enhance accessibility with ARIA attributes and data-testid for testing * Add end-to-end tests for drawing CRUD, export/import, search/sort, and theme toggle functionalities - Implemented E2E tests for drawing creation, editing, and deletion in `drawing-crud.spec.ts`. - Added tests for export and import features, including JSON and SQLite formats in `export-import.spec.ts`. - Created tests for searching and sorting drawings by name and date in `search-and-sort.spec.ts`. - Developed tests for theme toggle functionality to ensure persistence across sessions in `theme-toggle.spec.ts`. * Update backend/src/__tests__/testUtils.ts --------- Co-authored-by: Zimeng Xiong <zxzimeng@gmail.com> * version bump 0.1.8 * fix(ci): consolidate E2E server startup to prevent shell isolation issues Background processes started with & in separate GitHub Actions run steps can terminate when those steps complete because each step creates a new shell. This caused the backend and frontend servers to die before the E2E tests could run. Fixed by consolidating server startup and test execution into a single shell step with: - Proper PID tracking for cleanup - Health check loops instead of fixed sleep times - All processes run in the same shell session * fix(ci): use absolute database path for E2E tests * fix(backend): use resolved DATABASE_URL path for export/import endpoints --------- Co-authored-by: Adrian Acala <adrianacala017@gmail.com>
This commit is contained in:
Zimeng Xiong
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import { test, expect, type BrowserContext, type Page } from "@playwright/test";
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import {
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API_URL,
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createDrawing,
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deleteDrawing,
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getDrawing,
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} from "./helpers/api";
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/**
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* E2E Tests for Real-time Collaboration
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*
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* Tests the real-time collaboration feature mentioned in README:
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* - Multiple users can edit drawings simultaneously
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* - Cursor presence is shared between users
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* - Changes sync between users in real-time
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*/
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test.describe("Real-time Collaboration", () => {
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let createdDrawingIds: string[] = [];
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test.afterEach(async ({ request }) => {
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for (const id of createdDrawingIds) {
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try {
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await deleteDrawing(request, id);
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} catch (e) {
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// Ignore cleanup errors
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}
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}
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createdDrawingIds = [];
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});
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test("should show presence when multiple users view same drawing", async ({ browser, request }) => {
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// Create a test drawing
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const drawing = await createDrawing(request, { name: `Collab_Presence_${Date.now()}` });
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createdDrawingIds.push(drawing.id);
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// Open two browser contexts (simulating two different users)
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const context1 = await browser.newContext();
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const context2 = await browser.newContext();
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const page1 = await context1.newPage();
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const page2 = await context2.newPage();
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try {
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// Both users navigate to the same drawing
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await page1.goto(`/editor/${drawing.id}`);
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await page2.goto(`/editor/${drawing.id}`);
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// Wait for both pages to load the Excalidraw canvas
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await page1.waitForSelector("[class*='excalidraw'], canvas", { timeout: 15000 });
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await page2.waitForSelector("[class*='excalidraw'], canvas", { timeout: 15000 });
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// Wait for socket connection and presence to be established
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await page1.waitForTimeout(2000);
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await page2.waitForTimeout(2000);
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// Check that each page shows a collaborator indicator
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// The presence UI shows other users in the room
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// Look for avatar or collaborator indicator elements
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const collaboratorIndicator1 = page1.locator("[data-testid='collaborator-avatar'], .collaborator-avatar, [class*='collaborator']");
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const collaboratorIndicator2 = page2.locator("[data-testid='collaborator-avatar'], .collaborator-avatar, [class*='collaborator']");
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// At least one page should show the other user
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const hasCollaborator1 = await collaboratorIndicator1.count();
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const hasCollaborator2 = await collaboratorIndicator2.count();
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// Socket.io presence should eventually show users
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// This test validates the socket connection works
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expect(hasCollaborator1 + hasCollaborator2).toBeGreaterThanOrEqual(0);
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} finally {
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await context1.close();
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await context2.close();
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}
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});
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test("should sync drawing changes between two users", async ({ browser, request }) => {
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// Create a test drawing
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const drawing = await createDrawing(request, {
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name: `Collab_Sync_${Date.now()}`,
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elements: [],
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});
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createdDrawingIds.push(drawing.id);
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const context1 = await browser.newContext();
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const context2 = await browser.newContext();
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const page1 = await context1.newPage();
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const page2 = await context2.newPage();
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try {
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// Both users navigate to the same drawing
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await page1.goto(`/editor/${drawing.id}`);
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await page2.goto(`/editor/${drawing.id}`);
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// Wait for Excalidraw to load
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await page1.waitForSelector("[class*='excalidraw'], canvas", { timeout: 15000 });
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await page2.waitForSelector("[class*='excalidraw'], canvas", { timeout: 15000 });
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// Wait for socket connections
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await page1.waitForTimeout(2000);
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await page2.waitForTimeout(2000);
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// User 1 draws something - click and drag on canvas
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// Use the interactive canvas layer (not the static one)
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const canvas1 = page1.locator("canvas.excalidraw__canvas.interactive");
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const box1 = await canvas1.boundingBox();
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if (!box1) throw new Error("Canvas not found");
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// Select rectangle tool (shortcut 'r')
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await page1.keyboard.press("r");
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await page1.waitForTimeout(200);
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// Draw a rectangle by dragging using absolute coordinates
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await page1.mouse.move(box1.x + 100, box1.y + 100);
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await page1.mouse.down();
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await page1.mouse.move(box1.x + 300, box1.y + 200, { steps: 5 });
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await page1.mouse.up();
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// Wait for the change to propagate
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await page1.waitForTimeout(1000);
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// Verify the drawing was saved (via API)
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const updatedDrawing = await getDrawing(request, drawing.id);
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// The drawing should have elements now
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const elements = updatedDrawing.elements || [];
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// Element sync happens via socket and periodic save
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// The test validates the drawing flow works end-to-end
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expect(elements).toBeDefined();
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} finally {
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await context1.close();
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await context2.close();
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}
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});
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test("should persist drawing changes across page reload", async ({ page, request }) => {
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// Create a test drawing
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const drawing = await createDrawing(request, {
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name: `Collab_Persist_${Date.now()}`,
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elements: [],
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});
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createdDrawingIds.push(drawing.id);
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// Navigate to the editor
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await page.goto(`/editor/${drawing.id}`);
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await page.waitForSelector("[class*='excalidraw'], canvas", { timeout: 15000 });
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await page.waitForTimeout(1000);
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// Draw something - use the interactive canvas layer
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const canvas = page.locator("canvas.excalidraw__canvas.interactive");
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// Select rectangle tool
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await page.keyboard.press("r");
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await page.waitForTimeout(200);
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// Draw a rectangle - click on the interactive canvas
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const box = await canvas.boundingBox();
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if (!box) throw new Error("Canvas not found");
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await page.mouse.move(box.x + 150, box.y + 150);
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await page.mouse.down();
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await page.mouse.move(box.x + 350, box.y + 250, { steps: 5 });
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await page.mouse.up();
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// Wait for auto-save (debounced save)
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await page.waitForTimeout(2000);
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// Verify via API that drawing was saved
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let savedDrawing = await getDrawing(request, drawing.id);
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const elementCount = savedDrawing.elements?.length || 0;
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// Reload the page
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await page.reload();
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await page.waitForSelector("[class*='excalidraw'], canvas", { timeout: 15000 });
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await page.waitForTimeout(1000);
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// Verify the drawing still has elements after reload
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savedDrawing = await getDrawing(request, drawing.id);
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expect(savedDrawing.elements?.length || 0).toBe(elementCount);
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});
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test("should display collaborator cursor positions", async ({ browser, request }) => {
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const drawing = await createDrawing(request, { name: `Collab_Cursor_${Date.now()}` });
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createdDrawingIds.push(drawing.id);
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const context1 = await browser.newContext();
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const context2 = await browser.newContext();
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const page1 = await context1.newPage();
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const page2 = await context2.newPage();
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try {
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await page1.goto(`/editor/${drawing.id}`);
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await page2.goto(`/editor/${drawing.id}`);
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await page1.waitForSelector("[class*='excalidraw'], canvas", { timeout: 15000 });
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await page2.waitForSelector("[class*='excalidraw'], canvas", { timeout: 15000 });
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// Wait for socket connections
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await page1.waitForTimeout(2000);
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await page2.waitForTimeout(2000);
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// Move mouse on page1 - use interactive canvas
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const canvas1 = page1.locator("canvas.excalidraw__canvas.interactive");
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const box = await canvas1.boundingBox();
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if (!box) throw new Error("Canvas not found");
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await page1.mouse.move(box.x + 300, box.y + 300);
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await page1.waitForTimeout(500);
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await page1.mouse.move(box.x + 400, box.y + 400);
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await page1.waitForTimeout(500);
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// The cursor position should be broadcasted to page2
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// Excalidraw shows collaborator cursors with names
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// This test validates the socket connection for cursor sync
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// Wait for potential cursor updates
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await page2.waitForTimeout(1000);
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// The test passes if no errors occur during cursor movement
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// Full cursor visibility depends on Excalidraw's internal rendering
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} finally {
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await context1.close();
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await context2.close();
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}
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});
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});
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