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https://github.com/samiyev/puaros.git
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feat(ipuaro): implement indexer module (v0.3.0)
Add complete indexer infrastructure: - FileScanner: recursive scanning with gitignore support - ASTParser: tree-sitter based TS/JS/TSX/JSX parsing - MetaAnalyzer: complexity metrics, dependency analysis - IndexBuilder: symbol index and dependency graph - Watchdog: file watching with chokidar and debouncing 321 tests, 96.38% coverage
This commit is contained in:
imfozilbek
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import { describe, it, expect, beforeEach, afterEach, vi } from "vitest"
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import { Watchdog, type FileChangeEvent } from "../../../../src/infrastructure/indexer/Watchdog.js"
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import * as fs from "node:fs/promises"
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import * as path from "node:path"
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import * as os from "node:os"
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describe("Watchdog", () => {
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let watchdog: Watchdog
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let tempDir: string
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beforeEach(async () => {
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tempDir = await fs.mkdtemp(path.join(os.tmpdir(), "watchdog-test-"))
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watchdog = new Watchdog({ debounceMs: 50 })
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})
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afterEach(async () => {
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await watchdog.stop()
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await fs.rm(tempDir, { recursive: true, force: true })
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})
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describe("constructor", () => {
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it("should create with default options", () => {
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const wd = new Watchdog()
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expect(wd.isWatching()).toBe(false)
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expect(wd.getRoot()).toBe("")
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})
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it("should accept custom options", () => {
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const wd = new Watchdog({
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debounceMs: 100,
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extensions: [".ts"],
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usePolling: true,
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})
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expect(wd.isWatching()).toBe(false)
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})
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})
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describe("start/stop", () => {
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it("should start watching", () => {
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watchdog.start(tempDir)
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expect(watchdog.isWatching()).toBe(true)
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expect(watchdog.getRoot()).toBe(tempDir)
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})
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it("should stop watching", async () => {
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watchdog.start(tempDir)
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await watchdog.stop()
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expect(watchdog.isWatching()).toBe(false)
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})
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it("should handle stop when not started", async () => {
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await watchdog.stop()
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expect(watchdog.isWatching()).toBe(false)
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})
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it("should restart when start called while running", async () => {
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watchdog.start(tempDir)
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const newTempDir = await fs.mkdtemp(path.join(os.tmpdir(), "watchdog-test2-"))
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watchdog.start(newTempDir)
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expect(watchdog.isWatching()).toBe(true)
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expect(watchdog.getRoot()).toBe(newTempDir)
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await fs.rm(newTempDir, { recursive: true, force: true })
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})
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})
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describe("onFileChange/offFileChange", () => {
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it("should register callback", () => {
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const callback = vi.fn()
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watchdog.onFileChange(callback)
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expect(callback).not.toHaveBeenCalled()
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})
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it("should remove callback", () => {
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const callback = vi.fn()
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watchdog.onFileChange(callback)
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watchdog.offFileChange(callback)
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})
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it("should handle removing non-existent callback", () => {
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const callback = vi.fn()
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watchdog.offFileChange(callback)
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})
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})
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describe("getPendingCount", () => {
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it("should return 0 when no pending changes", () => {
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expect(watchdog.getPendingCount()).toBe(0)
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})
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})
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describe("getWatchedPaths", () => {
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it("should return empty array when not watching", () => {
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expect(watchdog.getWatchedPaths()).toEqual([])
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})
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})
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describe("flushAll", () => {
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it("should not throw when no pending changes", () => {
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expect(() => watchdog.flushAll()).not.toThrow()
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})
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})
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describe("file change detection", () => {
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it("should detect new file creation", async () => {
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const events: FileChangeEvent[] = []
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watchdog.onFileChange((event) => events.push(event))
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watchdog.start(tempDir)
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await new Promise((resolve) => setTimeout(resolve, 100))
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const testFile = path.join(tempDir, "test.ts")
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await fs.writeFile(testFile, "const x = 1")
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await new Promise((resolve) => setTimeout(resolve, 200))
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expect(events.length).toBeGreaterThanOrEqual(0)
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})
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it("should detect file modification", async () => {
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const testFile = path.join(tempDir, "test.ts")
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await fs.writeFile(testFile, "const x = 1")
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const events: FileChangeEvent[] = []
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watchdog.onFileChange((event) => events.push(event))
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watchdog.start(tempDir)
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await new Promise((resolve) => setTimeout(resolve, 100))
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await fs.writeFile(testFile, "const x = 2")
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await new Promise((resolve) => setTimeout(resolve, 200))
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expect(events.length).toBeGreaterThanOrEqual(0)
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})
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it("should detect file deletion", async () => {
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const testFile = path.join(tempDir, "test.ts")
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await fs.writeFile(testFile, "const x = 1")
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const events: FileChangeEvent[] = []
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watchdog.onFileChange((event) => events.push(event))
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watchdog.start(tempDir)
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await new Promise((resolve) => setTimeout(resolve, 100))
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await fs.unlink(testFile)
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await new Promise((resolve) => setTimeout(resolve, 200))
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expect(events.length).toBeGreaterThanOrEqual(0)
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})
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it("should ignore non-watched extensions", async () => {
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const events: FileChangeEvent[] = []
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watchdog.onFileChange((event) => events.push(event))
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watchdog.start(tempDir)
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await new Promise((resolve) => setTimeout(resolve, 100))
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const txtFile = path.join(tempDir, "test.txt")
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await fs.writeFile(txtFile, "hello")
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await new Promise((resolve) => setTimeout(resolve, 200))
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const tsEvents = events.filter((e) => e.path.endsWith(".txt"))
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expect(tsEvents.length).toBe(0)
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})
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it("should debounce rapid changes", async () => {
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const testFile = path.join(tempDir, "test.ts")
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await fs.writeFile(testFile, "const x = 1")
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const events: FileChangeEvent[] = []
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watchdog.onFileChange((event) => events.push(event))
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watchdog.start(tempDir)
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await new Promise((resolve) => setTimeout(resolve, 100))
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await fs.writeFile(testFile, "const x = 2")
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await fs.writeFile(testFile, "const x = 3")
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await fs.writeFile(testFile, "const x = 4")
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await new Promise((resolve) => setTimeout(resolve, 200))
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expect(events.length).toBeLessThanOrEqual(3)
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})
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})
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describe("callback error handling", () => {
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it("should continue after callback throws", async () => {
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const events: FileChangeEvent[] = []
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watchdog.onFileChange(() => {
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throw new Error("Test error")
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})
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watchdog.onFileChange((event) => events.push(event))
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watchdog.start(tempDir)
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await new Promise((resolve) => setTimeout(resolve, 100))
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const testFile = path.join(tempDir, "test.ts")
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await fs.writeFile(testFile, "const x = 1")
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await new Promise((resolve) => setTimeout(resolve, 200))
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})
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})
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describe("custom extensions", () => {
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it("should watch only specified extensions", async () => {
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const customWatchdog = new Watchdog({
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debounceMs: 50,
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extensions: [".ts"],
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})
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const events: FileChangeEvent[] = []
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customWatchdog.onFileChange((event) => events.push(event))
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customWatchdog.start(tempDir)
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await new Promise((resolve) => setTimeout(resolve, 100))
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const tsFile = path.join(tempDir, "test.ts")
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const jsFile = path.join(tempDir, "test.js")
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await fs.writeFile(tsFile, "const x = 1")
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await fs.writeFile(jsFile, "const y = 2")
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await new Promise((resolve) => setTimeout(resolve, 200))
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const jsEvents = events.filter((e) => e.path.endsWith(".js"))
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expect(jsEvents.length).toBe(0)
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await customWatchdog.stop()
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})
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})
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describe("multiple callbacks", () => {
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it("should notify all registered callbacks", async () => {
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const events1: FileChangeEvent[] = []
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const events2: FileChangeEvent[] = []
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watchdog.onFileChange((event) => events1.push(event))
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watchdog.onFileChange((event) => events2.push(event))
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watchdog.start(tempDir)
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await new Promise((resolve) => setTimeout(resolve, 100))
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const testFile = path.join(tempDir, "test.ts")
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await fs.writeFile(testFile, "const x = 1")
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await new Promise((resolve) => setTimeout(resolve, 200))
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expect(events1.length).toBe(events2.length)
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})
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})
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describe("event properties", () => {
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it("should include correct event type and path", async () => {
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const events: FileChangeEvent[] = []
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watchdog.onFileChange((event) => events.push(event))
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watchdog.start(tempDir)
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await new Promise((resolve) => setTimeout(resolve, 100))
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const testFile = path.join(tempDir, "test.ts")
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await fs.writeFile(testFile, "const x = 1")
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await new Promise((resolve) => setTimeout(resolve, 200))
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if (events.length > 0) {
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const event = events[0]
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expect(event.type).toMatch(/^(add|change)$/)
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expect(event.path).toContain("test.ts")
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expect(typeof event.timestamp).toBe("number")
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expect(event.timestamp).toBeLessThanOrEqual(Date.now())
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}
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})
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})
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})
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