import { describe, expect, it, vi } from "vitest"; import { syncShellEnvironment } from "./syncShellEnvironment"; describe("syncShellEnvironment", () => {  it("hydrates PATH and missing SSH_AUTH_SOCK from the login shell on macOS", () => {    const env: NodeJS.ProcessEnv = {      SHELL: "/bin/zsh",      PATH: "/Users/test/.local/bin:/usr/bin",    };    const readEnvironment = vi.fn(() => ({      PATH: "/opt/homebrew/bin:/usr/bin",      SSH_AUTH_SOCK: "/tmp/secretive.sock",      HOMEBREW_PREFIX: "/opt/homebrew",    }));     syncShellEnvironment(env, {      platform: "darwin",      readEnvironment,    });     expect(readEnvironment).toHaveBeenCalledWith("/bin/zsh", [      "PATH",      "SSH_AUTH_SOCK",      "HOMEBREW_PREFIX",      "HOMEBREW_CELLAR",      "HOMEBREW_REPOSITORY",      "XDG_CONFIG_HOME",      "XDG_DATA_HOME",    ]);    expect(env.PATH).toBe("/opt/homebrew/bin:/usr/bin:/Users/test/.local/bin");    expect(env.SSH_AUTH_SOCK).toBe("/tmp/secretive.sock");    expect(env.HOMEBREW_PREFIX).toBe("/opt/homebrew");  });   it("preserves an inherited SSH_AUTH_SOCK value", () => {    const env: NodeJS.ProcessEnv = {      SHELL: "/bin/zsh",      PATH: "/usr/bin",      SSH_AUTH_SOCK: "/tmp/inherited.sock",    };    const readEnvironment = vi.fn(() => ({      PATH: "/opt/homebrew/bin:/usr/bin",      SSH_AUTH_SOCK: "/tmp/login-shell.sock",    }));     syncShellEnvironment(env, {      platform: "darwin",      readEnvironment,    });     expect(env.PATH).toBe("/opt/homebrew/bin:/usr/bin");    expect(env.SSH_AUTH_SOCK).toBe("/tmp/inherited.sock");  });   it("preserves inherited values when the login shell omits them", () => {    const env: NodeJS.ProcessEnv = {      SHELL: "/bin/zsh",      PATH: "/usr/bin",      SSH_AUTH_SOCK: "/tmp/inherited.sock",    };    const readEnvironment = vi.fn(() => ({      PATH: "/opt/homebrew/bin:/usr/bin",    }));     syncShellEnvironment(env, {      platform: "darwin",      readEnvironment,    });     expect(env.PATH).toBe("/opt/homebrew/bin:/usr/bin");    expect(env.SSH_AUTH_SOCK).toBe("/tmp/inherited.sock");  });   it("hydrates PATH and missing SSH_AUTH_SOCK from the login shell on linux", () => {    const env: NodeJS.ProcessEnv = {      SHELL: "/bin/zsh",      PATH: "/usr/bin",    };    const readEnvironment = vi.fn(() => ({      PATH: "/home/linuxbrew/.linuxbrew/bin:/usr/bin",      SSH_AUTH_SOCK: "/tmp/secretive.sock",    }));     syncShellEnvironment(env, {      platform: "linux",      readEnvironment,    });     expect(readEnvironment).toHaveBeenCalledWith("/bin/zsh", [      "PATH",      "SSH_AUTH_SOCK",      "HOMEBREW_PREFIX",      "HOMEBREW_CELLAR",      "HOMEBREW_REPOSITORY",      "XDG_CONFIG_HOME",      "XDG_DATA_HOME",    ]);    expect(env.PATH).toBe("/home/linuxbrew/.linuxbrew/bin:/usr/bin");    expect(env.SSH_AUTH_SOCK).toBe("/tmp/secretive.sock");  });   it("falls back to launchctl PATH on macOS when shell probing does not return one", () => {    const env: NodeJS.ProcessEnv = {      SHELL: "/opt/homebrew/bin/nu",      PATH: "/usr/bin",    };    const readEnvironment = vi      .fn()      .mockImplementationOnce(() => {        throw new Error("unknown flag");      })      .mockImplementationOnce(() => ({}));    const readLaunchctlPath = vi.fn(() => "/opt/homebrew/bin:/usr/bin");    const logWarning = vi.fn();     syncShellEnvironment(env, {      platform: "darwin",      readEnvironment,      readLaunchctlPath,      userShell: "/bin/zsh",      logWarning,    });     expect(readEnvironment).toHaveBeenNthCalledWith(1, "/opt/homebrew/bin/nu", [      "PATH",      "SSH_AUTH_SOCK",      "HOMEBREW_PREFIX",      "HOMEBREW_CELLAR",      "HOMEBREW_REPOSITORY",      "XDG_CONFIG_HOME",      "XDG_DATA_HOME",    ]);    expect(readEnvironment).toHaveBeenNthCalledWith(2, "/bin/zsh", [      "PATH",      "SSH_AUTH_SOCK",      "HOMEBREW_PREFIX",      "HOMEBREW_CELLAR",      "HOMEBREW_REPOSITORY",      "XDG_CONFIG_HOME",      "XDG_DATA_HOME",    ]);    expect(readLaunchctlPath).toHaveBeenCalledTimes(1);    expect(logWarning).toHaveBeenCalledWith(      "Failed to read login shell environment from /opt/homebrew/bin/nu.",      expect.any(Error),    );    expect(env.PATH).toBe("/opt/homebrew/bin:/usr/bin");  });   it("does nothing outside macOS and linux", () => {    const env: NodeJS.ProcessEnv = {      SHELL: "C:/Program Files/Git/bin/bash.exe",      PATH: "C:\\Windows\\System32",      SSH_AUTH_SOCK: "/tmp/inherited.sock",    };    const readEnvironment = vi.fn(() => ({      PATH: "/usr/local/bin:/usr/bin",      SSH_AUTH_SOCK: "/tmp/secretive.sock",    }));     syncShellEnvironment(env, {      platform: "win32",      readEnvironment,    });     expect(readEnvironment).not.toHaveBeenCalled();    expect(env.PATH).toBe("C:\\Windows\\System32");    expect(env.SSH_AUTH_SOCK).toBe("/tmp/inherited.sock");  });});