689 lines
23 KiB
TypeScript
689 lines
23 KiB
TypeScript
import { mkdirSync, readFileSync, rmSync, writeFileSync } from "fs";
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import { tmpdir } from "os";
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import { join } from "path";
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import { afterEach, beforeEach, describe, expect, it, vi } from "vitest";
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import { executeBash } from "../src/core/bash-executor.js";
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import { bashTool, createBashTool, createLocalBashOperations } from "../src/core/tools/bash.js";
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import { editTool } from "../src/core/tools/edit.js";
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import { findTool } from "../src/core/tools/find.js";
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import { grepTool } from "../src/core/tools/grep.js";
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import { lsTool } from "../src/core/tools/ls.js";
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import { readTool } from "../src/core/tools/read.js";
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import { writeTool } from "../src/core/tools/write.js";
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import * as shellModule from "../src/utils/shell.js";
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// Helper to extract text from content blocks
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function getTextOutput(result: any): string {
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return (
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result.content
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?.filter((c: any) => c.type === "text")
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.map((c: any) => c.text)
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.join("\n") || ""
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);
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}
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describe("Coding Agent Tools", () => {
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let testDir: string;
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beforeEach(() => {
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// Create a unique temporary directory for each test
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testDir = join(tmpdir(), `coding-agent-test-${Date.now()}`);
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mkdirSync(testDir, { recursive: true });
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});
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afterEach(() => {
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// Clean up test directory
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rmSync(testDir, { recursive: true, force: true });
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});
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describe("read tool", () => {
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it("should read file contents that fit within limits", async () => {
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const testFile = join(testDir, "test.txt");
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const content = "Hello, world!\nLine 2\nLine 3";
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writeFileSync(testFile, content);
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const result = await readTool.execute("test-call-1", { path: testFile });
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expect(getTextOutput(result)).toBe(content);
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// No truncation message since file fits within limits
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expect(getTextOutput(result)).not.toContain("Use offset=");
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expect(result.details).toBeUndefined();
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});
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it("should handle non-existent files", async () => {
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const testFile = join(testDir, "nonexistent.txt");
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await expect(readTool.execute("test-call-2", { path: testFile })).rejects.toThrow(/ENOENT|not found/i);
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});
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it("should truncate files exceeding line limit", async () => {
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const testFile = join(testDir, "large.txt");
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const lines = Array.from({ length: 2500 }, (_, i) => `Line ${i + 1}`);
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writeFileSync(testFile, lines.join("\n"));
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const result = await readTool.execute("test-call-3", { path: testFile });
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const output = getTextOutput(result);
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expect(output).toContain("Line 1");
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expect(output).toContain("Line 2000");
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expect(output).not.toContain("Line 2001");
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expect(output).toContain("[Showing lines 1-2000 of 2500. Use offset=2001 to continue.]");
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});
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it("should truncate when byte limit exceeded", async () => {
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const testFile = join(testDir, "large-bytes.txt");
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// Create file that exceeds 50KB byte limit but has fewer than 2000 lines
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const lines = Array.from({ length: 500 }, (_, i) => `Line ${i + 1}: ${"x".repeat(200)}`);
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writeFileSync(testFile, lines.join("\n"));
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const result = await readTool.execute("test-call-4", { path: testFile });
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const output = getTextOutput(result);
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expect(output).toContain("Line 1:");
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// Should show byte limit message
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expect(output).toMatch(/\[Showing lines 1-\d+ of 500 \(.* limit\)\. Use offset=\d+ to continue\.\]/);
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});
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it("should handle offset parameter", async () => {
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const testFile = join(testDir, "offset-test.txt");
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const lines = Array.from({ length: 100 }, (_, i) => `Line ${i + 1}`);
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writeFileSync(testFile, lines.join("\n"));
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const result = await readTool.execute("test-call-5", { path: testFile, offset: 51 });
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const output = getTextOutput(result);
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expect(output).not.toContain("Line 50");
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expect(output).toContain("Line 51");
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expect(output).toContain("Line 100");
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// No truncation message since file fits within limits
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expect(output).not.toContain("Use offset=");
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});
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it("should handle limit parameter", async () => {
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const testFile = join(testDir, "limit-test.txt");
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const lines = Array.from({ length: 100 }, (_, i) => `Line ${i + 1}`);
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writeFileSync(testFile, lines.join("\n"));
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const result = await readTool.execute("test-call-6", { path: testFile, limit: 10 });
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const output = getTextOutput(result);
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expect(output).toContain("Line 1");
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expect(output).toContain("Line 10");
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expect(output).not.toContain("Line 11");
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expect(output).toContain("[90 more lines in file. Use offset=11 to continue.]");
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});
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it("should handle offset + limit together", async () => {
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const testFile = join(testDir, "offset-limit-test.txt");
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const lines = Array.from({ length: 100 }, (_, i) => `Line ${i + 1}`);
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writeFileSync(testFile, lines.join("\n"));
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const result = await readTool.execute("test-call-7", {
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path: testFile,
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offset: 41,
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limit: 20,
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});
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const output = getTextOutput(result);
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expect(output).not.toContain("Line 40");
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expect(output).toContain("Line 41");
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expect(output).toContain("Line 60");
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expect(output).not.toContain("Line 61");
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expect(output).toContain("[40 more lines in file. Use offset=61 to continue.]");
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});
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it("should show error when offset is beyond file length", async () => {
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const testFile = join(testDir, "short.txt");
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writeFileSync(testFile, "Line 1\nLine 2\nLine 3");
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await expect(readTool.execute("test-call-8", { path: testFile, offset: 100 })).rejects.toThrow(
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/Offset 100 is beyond end of file \(3 lines total\)/,
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);
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});
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it("should include truncation details when truncated", async () => {
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const testFile = join(testDir, "large-file.txt");
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const lines = Array.from({ length: 2500 }, (_, i) => `Line ${i + 1}`);
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writeFileSync(testFile, lines.join("\n"));
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const result = await readTool.execute("test-call-9", { path: testFile });
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expect(result.details).toBeDefined();
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expect(result.details?.truncation).toBeDefined();
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expect(result.details?.truncation?.truncated).toBe(true);
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expect(result.details?.truncation?.truncatedBy).toBe("lines");
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expect(result.details?.truncation?.totalLines).toBe(2500);
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expect(result.details?.truncation?.outputLines).toBe(2000);
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});
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it("should detect image MIME type from file magic (not extension)", async () => {
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const png1x1Base64 =
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"iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAQAAAC1HAwCAAAAC0lEQVR42mP8/x8AAwMCAO+X2Z0AAAAASUVORK5CYII=";
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const pngBuffer = Buffer.from(png1x1Base64, "base64");
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const testFile = join(testDir, "image.txt");
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writeFileSync(testFile, pngBuffer);
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const result = await readTool.execute("test-call-img-1", { path: testFile });
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expect(result.content[0]?.type).toBe("text");
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expect(getTextOutput(result)).toContain("Read image file [image/png]");
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const imageBlock = result.content.find(
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(c): c is { type: "image"; mimeType: string; data: string } => c.type === "image",
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);
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expect(imageBlock).toBeDefined();
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expect(imageBlock?.mimeType).toBe("image/png");
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expect(typeof imageBlock?.data).toBe("string");
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expect((imageBlock?.data ?? "").length).toBeGreaterThan(0);
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});
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it("should treat files with image extension but non-image content as text", async () => {
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const testFile = join(testDir, "not-an-image.png");
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writeFileSync(testFile, "definitely not a png");
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const result = await readTool.execute("test-call-img-2", { path: testFile });
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const output = getTextOutput(result);
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expect(output).toContain("definitely not a png");
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expect(result.content.some((c: any) => c.type === "image")).toBe(false);
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});
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});
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describe("write tool", () => {
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it("should write file contents", async () => {
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const testFile = join(testDir, "write-test.txt");
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const content = "Test content";
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const result = await writeTool.execute("test-call-3", { path: testFile, content });
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expect(getTextOutput(result)).toContain("Successfully wrote");
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expect(getTextOutput(result)).toContain(testFile);
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expect(result.details).toBeUndefined();
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});
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it("should create parent directories", async () => {
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const testFile = join(testDir, "nested", "dir", "test.txt");
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const content = "Nested content";
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const result = await writeTool.execute("test-call-4", { path: testFile, content });
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expect(getTextOutput(result)).toContain("Successfully wrote");
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});
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});
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describe("edit tool", () => {
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it("should replace text in file", async () => {
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const testFile = join(testDir, "edit-test.txt");
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const originalContent = "Hello, world!";
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writeFileSync(testFile, originalContent);
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const result = await editTool.execute("test-call-5", {
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path: testFile,
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oldText: "world",
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newText: "testing",
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});
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expect(getTextOutput(result)).toContain("Successfully replaced");
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expect(result.details).toBeDefined();
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expect(result.details.diff).toBeDefined();
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expect(typeof result.details.diff).toBe("string");
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expect(result.details.diff).toContain("testing");
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});
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it("should fail if text not found", async () => {
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const testFile = join(testDir, "edit-test.txt");
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const originalContent = "Hello, world!";
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writeFileSync(testFile, originalContent);
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await expect(
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editTool.execute("test-call-6", {
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path: testFile,
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oldText: "nonexistent",
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newText: "testing",
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}),
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).rejects.toThrow(/Could not find the exact text/);
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});
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it("should fail if text appears multiple times", async () => {
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const testFile = join(testDir, "edit-test.txt");
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const originalContent = "foo foo foo";
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writeFileSync(testFile, originalContent);
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await expect(
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editTool.execute("test-call-7", {
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path: testFile,
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oldText: "foo",
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newText: "bar",
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}),
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).rejects.toThrow(/Found 3 occurrences/);
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});
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});
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describe("bash tool", () => {
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it("should execute simple commands", async () => {
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const result = await bashTool.execute("test-call-8", { command: "echo 'test output'" });
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expect(getTextOutput(result)).toContain("test output");
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expect(result.details).toBeUndefined();
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});
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it("should handle command errors", async () => {
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await expect(bashTool.execute("test-call-9", { command: "exit 1" })).rejects.toThrow(
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/(Command failed|code 1)/,
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);
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});
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it("should respect timeout", async () => {
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await expect(bashTool.execute("test-call-10", { command: "sleep 5", timeout: 1 })).rejects.toThrow(
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/timed out/i,
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);
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});
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it("should throw error when cwd does not exist", async () => {
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const nonexistentCwd = "/this/directory/definitely/does/not/exist/12345";
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const bashToolWithBadCwd = createBashTool(nonexistentCwd);
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await expect(bashToolWithBadCwd.execute("test-call-11", { command: "echo test" })).rejects.toThrow(
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/Working directory does not exist/,
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);
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});
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it("should handle process spawn errors", async () => {
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vi.spyOn(shellModule, "getShellConfig").mockReturnValueOnce({
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shell: "/nonexistent-shell-path-xyz123",
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args: ["-c"],
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});
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const bashWithBadShell = createBashTool(testDir);
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await expect(bashWithBadShell.execute("test-call-12", { command: "echo test" })).rejects.toThrow(/ENOENT/);
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});
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it("should prepend command prefix when configured", async () => {
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const bashWithPrefix = createBashTool(testDir, {
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commandPrefix: "export TEST_VAR=hello",
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});
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const result = await bashWithPrefix.execute("test-prefix-1", { command: "echo $TEST_VAR" });
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expect(getTextOutput(result).trim()).toBe("hello");
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});
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it("should include output from both prefix and command", async () => {
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const bashWithPrefix = createBashTool(testDir, {
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commandPrefix: "echo prefix-output",
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});
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const result = await bashWithPrefix.execute("test-prefix-2", { command: "echo command-output" });
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expect(getTextOutput(result).trim()).toBe("prefix-output\ncommand-output");
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});
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it("should work without command prefix", async () => {
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const bashWithoutPrefix = createBashTool(testDir, {});
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const result = await bashWithoutPrefix.execute("test-prefix-3", { command: "echo no-prefix" });
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expect(getTextOutput(result).trim()).toBe("no-prefix");
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});
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it("should expose local bash operations for extension reuse", async () => {
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const ops = createLocalBashOperations();
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const chunks: Buffer[] = [];
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const result = await ops.exec("echo $TEST_LOCAL_BASH_OPS", testDir, {
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onData: (data) => chunks.push(data),
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env: { ...process.env, TEST_LOCAL_BASH_OPS: "from-local-ops" },
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});
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expect(result.exitCode).toBe(0);
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expect(Buffer.concat(chunks).toString("utf-8").trim()).toBe("from-local-ops");
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});
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it("should preserve executeBash sanitization when using local bash operations", async () => {
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const result = await executeBash("printf '\\033[31mred\\033[0m\\r\\n'");
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expect(result.exitCode).toBe(0);
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expect(result.output).toBe("red\n");
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});
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});
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describe("grep tool", () => {
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it("should include filename when searching a single file", async () => {
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const testFile = join(testDir, "example.txt");
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writeFileSync(testFile, "first line\nmatch line\nlast line");
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const result = await grepTool.execute("test-call-11", {
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pattern: "match",
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path: testFile,
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});
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const output = getTextOutput(result);
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expect(output).toContain("example.txt:2: match line");
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});
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it("should respect global limit and include context lines", async () => {
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const testFile = join(testDir, "context.txt");
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const content = ["before", "match one", "after", "middle", "match two", "after two"].join("\n");
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writeFileSync(testFile, content);
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const result = await grepTool.execute("test-call-12", {
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pattern: "match",
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path: testFile,
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limit: 1,
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context: 1,
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});
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const output = getTextOutput(result);
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expect(output).toContain("context.txt-1- before");
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expect(output).toContain("context.txt:2: match one");
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expect(output).toContain("context.txt-3- after");
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expect(output).toContain("[1 matches limit reached. Use limit=2 for more, or refine pattern]");
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// Ensure second match is not present
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expect(output).not.toContain("match two");
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});
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});
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describe("find tool", () => {
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it("should include hidden files that are not gitignored", async () => {
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const hiddenDir = join(testDir, ".secret");
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mkdirSync(hiddenDir);
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writeFileSync(join(hiddenDir, "hidden.txt"), "hidden");
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writeFileSync(join(testDir, "visible.txt"), "visible");
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const result = await findTool.execute("test-call-13", {
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pattern: "**/*.txt",
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path: testDir,
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});
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const outputLines = getTextOutput(result)
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.split("\n")
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.map((line) => line.trim())
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.filter(Boolean);
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expect(outputLines).toContain("visible.txt");
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expect(outputLines).toContain(".secret/hidden.txt");
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});
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it("should respect .gitignore", async () => {
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writeFileSync(join(testDir, ".gitignore"), "ignored.txt\n");
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writeFileSync(join(testDir, "ignored.txt"), "ignored");
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writeFileSync(join(testDir, "kept.txt"), "kept");
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const result = await findTool.execute("test-call-14", {
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pattern: "**/*.txt",
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path: testDir,
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});
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const output = getTextOutput(result);
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expect(output).toContain("kept.txt");
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expect(output).not.toContain("ignored.txt");
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});
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});
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describe("ls tool", () => {
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it("should list dotfiles and directories", async () => {
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writeFileSync(join(testDir, ".hidden-file"), "secret");
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mkdirSync(join(testDir, ".hidden-dir"));
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const result = await lsTool.execute("test-call-15", { path: testDir });
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const output = getTextOutput(result);
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expect(output).toContain(".hidden-file");
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expect(output).toContain(".hidden-dir/");
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});
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});
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});
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describe("edit tool fuzzy matching", () => {
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let testDir: string;
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beforeEach(() => {
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testDir = join(tmpdir(), `coding-agent-fuzzy-test-${Date.now()}`);
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mkdirSync(testDir, { recursive: true });
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});
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afterEach(() => {
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rmSync(testDir, { recursive: true, force: true });
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});
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it("should match text with trailing whitespace stripped", async () => {
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const testFile = join(testDir, "trailing-ws.txt");
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// File has trailing spaces on lines
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writeFileSync(testFile, "line one \nline two \nline three\n");
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// oldText without trailing whitespace should still match
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const result = await editTool.execute("test-fuzzy-1", {
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path: testFile,
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oldText: "line one\nline two\n",
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newText: "replaced\n",
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});
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expect(getTextOutput(result)).toContain("Successfully replaced");
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const content = readFileSync(testFile, "utf-8");
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expect(content).toBe("replaced\nline three\n");
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});
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it("should match fullwidth punctuation in Chinese text", async () => {
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const testFile = join(testDir, "chinese-punctuation.txt");
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writeFileSync(testFile, "你好，世界\n你好（世界）\n");
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const result = await editTool.execute("test-fuzzy-chinese", {
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path: testFile,
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oldText: "你好,世界\n你好(世界)\n",
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newText: "你好，pi\n你好(pi)\n",
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});
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expect(getTextOutput(result)).toContain("Successfully replaced");
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const content = readFileSync(testFile, "utf-8");
|
||
expect(content).toBe("你好，pi\n你好(pi)\n");
|
||
});
|
||
|
||
it("should match compatibility-equivalent Unicode forms", async () => {
|
||
const testFile = join(testDir, "unicode-compatibility.txt");
|
||
writeFileSync(testFile, "ＡＢＣ１２３\ncafe\u0301\n");
|
||
|
||
const result = await editTool.execute("test-fuzzy-unicode", {
|
||
path: testFile,
|
||
oldText: "ABC123\ncafé\n",
|
||
newText: "XYZ789\ncoffee\n",
|
||
});
|
||
|
||
expect(getTextOutput(result)).toContain("Successfully replaced");
|
||
const content = readFileSync(testFile, "utf-8");
|
||
expect(content).toBe("XYZ789\ncoffee\n");
|
||
});
|
||
|
||
it("should match smart single quotes to ASCII quotes", async () => {
|
||
const testFile = join(testDir, "smart-quotes.txt");
|
||
// File has smart/curly single quotes (U+2018, U+2019)
|
||
writeFileSync(testFile, "console.log(\u2018hello\u2019);\n");
|
||
|
||
// oldText with ASCII quotes should match
|
||
const result = await editTool.execute("test-fuzzy-2", {
|
||
path: testFile,
|
||
oldText: "console.log('hello');",
|
||
newText: "console.log('world');",
|
||
});
|
||
|
||
expect(getTextOutput(result)).toContain("Successfully replaced");
|
||
const content = readFileSync(testFile, "utf-8");
|
||
expect(content).toContain("world");
|
||
});
|
||
|
||
it("should match smart double quotes to ASCII quotes", async () => {
|
||
const testFile = join(testDir, "smart-double-quotes.txt");
|
||
// File has smart/curly double quotes (U+201C, U+201D)
|
||
writeFileSync(testFile, "const msg = \u201CHello World\u201D;\n");
|
||
|
||
// oldText with ASCII quotes should match
|
||
const result = await editTool.execute("test-fuzzy-3", {
|
||
path: testFile,
|
||
oldText: 'const msg = "Hello World";',
|
||
newText: 'const msg = "Goodbye";',
|
||
});
|
||
|
||
expect(getTextOutput(result)).toContain("Successfully replaced");
|
||
const content = readFileSync(testFile, "utf-8");
|
||
expect(content).toContain("Goodbye");
|
||
});
|
||
|
||
it("should match Unicode dashes to ASCII hyphen", async () => {
|
||
const testFile = join(testDir, "unicode-dashes.txt");
|
||
// File has en-dash (U+2013) and em-dash (U+2014)
|
||
writeFileSync(testFile, "range: 1\u20135\nbreak\u2014here\n");
|
||
|
||
// oldText with ASCII hyphens should match
|
||
const result = await editTool.execute("test-fuzzy-4", {
|
||
path: testFile,
|
||
oldText: "range: 1-5\nbreak-here",
|
||
newText: "range: 10-50\nbreak--here",
|
||
});
|
||
|
||
expect(getTextOutput(result)).toContain("Successfully replaced");
|
||
const content = readFileSync(testFile, "utf-8");
|
||
expect(content).toContain("10-50");
|
||
});
|
||
|
||
it("should match non-breaking space to regular space", async () => {
|
||
const testFile = join(testDir, "nbsp.txt");
|
||
// File has non-breaking space (U+00A0)
|
||
writeFileSync(testFile, "hello\u00A0world\n");
|
||
|
||
// oldText with regular space should match
|
||
const result = await editTool.execute("test-fuzzy-5", {
|
||
path: testFile,
|
||
oldText: "hello world",
|
||
newText: "hello universe",
|
||
});
|
||
|
||
expect(getTextOutput(result)).toContain("Successfully replaced");
|
||
const content = readFileSync(testFile, "utf-8");
|
||
expect(content).toContain("universe");
|
||
});
|
||
|
||
it("should prefer exact match over fuzzy match", async () => {
|
||
const testFile = join(testDir, "exact-preferred.txt");
|
||
// File has both exact and fuzzy-matchable content
|
||
writeFileSync(testFile, "const x = 'exact';\nconst y = 'other';\n");
|
||
|
||
const result = await editTool.execute("test-fuzzy-6", {
|
||
path: testFile,
|
||
oldText: "const x = 'exact';",
|
||
newText: "const x = 'changed';",
|
||
});
|
||
|
||
expect(getTextOutput(result)).toContain("Successfully replaced");
|
||
const content = readFileSync(testFile, "utf-8");
|
||
expect(content).toBe("const x = 'changed';\nconst y = 'other';\n");
|
||
});
|
||
|
||
it("should still fail when text is not found even with fuzzy matching", async () => {
|
||
const testFile = join(testDir, "no-match.txt");
|
||
writeFileSync(testFile, "completely different content\n");
|
||
|
||
await expect(
|
||
editTool.execute("test-fuzzy-7", {
|
||
path: testFile,
|
||
oldText: "this does not exist",
|
||
newText: "replacement",
|
||
}),
|
||
).rejects.toThrow(/Could not find the exact text/);
|
||
});
|
||
|
||
it("should detect duplicates after fuzzy normalization", async () => {
|
||
const testFile = join(testDir, "fuzzy-dups.txt");
|
||
// Two lines that are identical after trailing whitespace is stripped
|
||
writeFileSync(testFile, "hello world \nhello world\n");
|
||
|
||
await expect(
|
||
editTool.execute("test-fuzzy-8", {
|
||
path: testFile,
|
||
oldText: "hello world",
|
||
newText: "replaced",
|
||
}),
|
||
).rejects.toThrow(/Found 2 occurrences/);
|
||
});
|
||
});
|
||
|
||
describe("edit tool CRLF handling", () => {
|
||
let testDir: string;
|
||
|
||
beforeEach(() => {
|
||
testDir = join(tmpdir(), `coding-agent-crlf-test-${Date.now()}`);
|
||
mkdirSync(testDir, { recursive: true });
|
||
});
|
||
|
||
afterEach(() => {
|
||
rmSync(testDir, { recursive: true, force: true });
|
||
});
|
||
|
||
it("should match LF oldText against CRLF file content", async () => {
|
||
const testFile = join(testDir, "crlf-test.txt");
|
||
|
||
writeFileSync(testFile, "line one\r\nline two\r\nline three\r\n");
|
||
|
||
const result = await editTool.execute("test-crlf-1", {
|
||
path: testFile,
|
||
oldText: "line two\n",
|
||
newText: "replaced line\n",
|
||
});
|
||
|
||
expect(getTextOutput(result)).toContain("Successfully replaced");
|
||
});
|
||
|
||
it("should preserve CRLF line endings after edit", async () => {
|
||
const testFile = join(testDir, "crlf-preserve.txt");
|
||
writeFileSync(testFile, "first\r\nsecond\r\nthird\r\n");
|
||
|
||
await editTool.execute("test-crlf-2", {
|
||
path: testFile,
|
||
oldText: "second\n",
|
||
newText: "REPLACED\n",
|
||
});
|
||
|
||
const content = readFileSync(testFile, "utf-8");
|
||
expect(content).toBe("first\r\nREPLACED\r\nthird\r\n");
|
||
});
|
||
|
||
it("should preserve LF line endings for LF files", async () => {
|
||
const testFile = join(testDir, "lf-preserve.txt");
|
||
writeFileSync(testFile, "first\nsecond\nthird\n");
|
||
|
||
await editTool.execute("test-lf-1", {
|
||
path: testFile,
|
||
oldText: "second\n",
|
||
newText: "REPLACED\n",
|
||
});
|
||
|
||
const content = readFileSync(testFile, "utf-8");
|
||
expect(content).toBe("first\nREPLACED\nthird\n");
|
||
});
|
||
|
||
it("should detect duplicates across CRLF/LF variants", async () => {
|
||
const testFile = join(testDir, "mixed-endings.txt");
|
||
|
||
writeFileSync(testFile, "hello\r\nworld\r\n---\r\nhello\nworld\n");
|
||
|
||
await expect(
|
||
editTool.execute("test-crlf-dup", {
|
||
path: testFile,
|
||
oldText: "hello\nworld\n",
|
||
newText: "replaced\n",
|
||
}),
|
||
).rejects.toThrow(/Found 2 occurrences/);
|
||
});
|
||
|
||
it("should preserve UTF-8 BOM after edit", async () => {
|
||
const testFile = join(testDir, "bom-test.txt");
|
||
writeFileSync(testFile, "\uFEFFfirst\r\nsecond\r\nthird\r\n");
|
||
|
||
await editTool.execute("test-bom", {
|
||
path: testFile,
|
||
oldText: "second\n",
|
||
newText: "REPLACED\n",
|
||
});
|
||
|
||
const content = readFileSync(testFile, "utf-8");
|
||
expect(content).toBe("\uFEFFfirst\r\nREPLACED\r\nthird\r\n");
|
||
});
|
||
});
|