80 lines
2.5 KiB
TypeScript
80 lines
2.5 KiB
TypeScript
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/// <reference types="bun-types" />
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import { describe, expect, test, spyOn, beforeEach, afterEach } from "bun:test"
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import * as childProcess from "node:child_process"
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import { detectWorktreePath } from "./worktree-detector"
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describe("detectWorktreePath", () => {
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let execFileSyncSpy: ReturnType<typeof spyOn>
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beforeEach(() => {
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execFileSyncSpy = spyOn(childProcess, "execFileSync").mockImplementation(
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((_file: string, _args: string[]) => "") as typeof childProcess.execFileSync,
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)
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})
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afterEach(() => {
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execFileSyncSpy.mockRestore()
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})
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describe("when directory is a valid git worktree", () => {
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test("#given valid git dir #when detecting #then returns worktree root path", () => {
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execFileSyncSpy.mockImplementation(
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((_file: string, _args: string[]) => "/home/user/my-repo\n") as typeof childProcess.execFileSync,
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)
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// when
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const result = detectWorktreePath("/home/user/my-repo/src")
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// then
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expect(result).toBe("/home/user/my-repo")
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})
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test("#given git output with trailing newline #when detecting #then trims output", () => {
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execFileSyncSpy.mockImplementation(
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((_file: string, _args: string[]) => "/projects/worktree-a\n\n") as typeof childProcess.execFileSync,
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)
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const result = detectWorktreePath("/projects/worktree-a")
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expect(result).toBe("/projects/worktree-a")
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})
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test("#given valid dir #when detecting #then calls git rev-parse with cwd", () => {
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execFileSyncSpy.mockImplementation(
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((_file: string, _args: string[]) => "/repo\n") as typeof childProcess.execFileSync,
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)
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detectWorktreePath("/repo/some/subdir")
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expect(execFileSyncSpy).toHaveBeenCalledWith(
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"git",
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["rev-parse", "--show-toplevel"],
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expect.objectContaining({ cwd: "/repo/some/subdir" }),
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)
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})
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})
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describe("when directory is not a git worktree", () => {
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test("#given non-git directory #when detecting #then returns null", () => {
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execFileSyncSpy.mockImplementation((_file: string, _args: string[]) => {
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throw new Error("not a git repository")
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})
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const result = detectWorktreePath("/tmp/not-a-repo")
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expect(result).toBeNull()
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})
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test("#given non-existent directory #when detecting #then returns null", () => {
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execFileSyncSpy.mockImplementation((_file: string, _args: string[]) => {
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throw new Error("ENOENT: no such file or directory")
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})
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const result = detectWorktreePath("/nonexistent/path")
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expect(result).toBeNull()
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})
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})
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})
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