t3code/apps/desktop/src/syncShellEnvironment.test.ts at abc6ec8f4ff21b478d973efc86eb3b337fa228d4 · aaditagrawal/t3code · GitHub

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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: "/usr/bin",
    };
    const readEnvironment = vi.fn(() => ({
      PATH: "/opt/homebrew/bin:/usr/bin",
      SSH_AUTH_SOCK: "/tmp/secretive.sock",
    }));

    syncShellEnvironment(env, {
      platform: "darwin",
      readEnvironment,
    });

    expect(readEnvironment).toHaveBeenCalledWith("/bin/zsh", ["PATH", "SSH_AUTH_SOCK"]);
    expect(env.PATH).toBe("/opt/homebrew/bin:/usr/bin");
    expect(env.SSH_AUTH_SOCK).toBe("/tmp/secretive.sock");
  });

  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"]);
    expect(env.PATH).toBe("/home/linuxbrew/.linuxbrew/bin:/usr/bin");
    expect(env.SSH_AUTH_SOCK).toBe("/tmp/secretive.sock");
  });

  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");
  });
});