chore: import upstream snapshot with attribution

packages/cli/__tests__/command.test.ts

@@ -0,0 +1,72 @@
+import { spawn } from "cross-spawn";
+import { afterEach, beforeEach, describe, test, vi } from "vitest";
+import { quoteShellArgs, runCommand } from "../command";
+import type { ChildProcess } from "node:child_process";
+
+// We can change how the mock spawn works by setting these variables
+let spawnResultCode = 0;
+let spawnStdout: string | undefined = undefined;
+let spawnStderr: string | undefined = undefined;
+
+vi.mock("cross-spawn");
+
+describe("Command Helpers", () => {
+	afterEach(() => {
+		spawnResultCode = 0;
+		spawnStdout = undefined;
+		spawnStderr = undefined;
+	});
+
+	beforeEach(() => {
+		vi.mocked(spawn).mockImplementation(() => {
+			return {
+				on: vi.fn().mockImplementation((event, cb) => {
+					if (event === "close") {
+						cb(spawnResultCode);
+					}
+				}),
+				stdout: {
+					on(_event: "data", cb: (data: string) => void) {
+						if (spawnStdout !== undefined) {
+							cb(spawnStdout);
+						}
+					},
+				},
+				stderr: {
+					on(_event: "data", cb: (data: string) => void) {
+						if (spawnStderr !== undefined) {
+							cb(spawnStderr);
+						}
+					},
+				},
+			} as unknown as ChildProcess;
+		});
+	});
+
+	test("runCommand", async ({ expect }) => {
+		await runCommand(["ls", "-l"]);
+		expect(spawn).toHaveBeenCalledWith("ls", ["-l"], {
+			stdio: "inherit",
+			env: process.env,
+			signal: expect.any(AbortSignal),
+		});
+	});
+
+	describe("quoteShellArgs", () => {
+		test.runIf(process.platform !== "win32")("mac", async ({ expect }) => {
+			expect(quoteShellArgs([`pages:dev`])).toEqual("pages:dev");
+			expect(quoteShellArgs([`24.02 foo-bar`])).toEqual(`'24.02 foo-bar'`);
+			expect(quoteShellArgs([`foo/10 bar/20-baz/`])).toEqual(
+				`'foo/10 bar/20-baz/'`
+			);
+		});
+
+		test.runIf(process.platform === "win32")("windows", async ({ expect }) => {
+			expect(quoteShellArgs([`pages:dev`])).toEqual("pages:dev");
+			expect(quoteShellArgs([`24.02 foo-bar`])).toEqual(`"24.02 foo-bar"`);
+			expect(quoteShellArgs([`foo/10 bar/20-baz/`])).toEqual(
+				`"foo/10 bar/20-baz/"`
+			);
+		});
+	});
+});