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test: run unit tests against a throwaway home #129

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4 changes: 2 additions & 2 deletions package.json
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Original file line number Diff line number Diff line change
Expand Up @@ -50,8 +50,8 @@
"install:codex": "node scripts/installer-cli.mjs install",
"prepack": "npm run check:version-sync && npm run check:changelog",
"setup:git-hooks": "node scripts/setup-git-hooks.mjs",
"test": "node --test tests/*.test.mjs",
"test:cross-platform": "node --test tests/args.test.mjs tests/changelog.test.mjs tests/claude-cli.test.mjs tests/fs.test.mjs tests/prompts.test.mjs tests/render.test.mjs tests/sandbox-modes.test.mjs tests/skills-contracts.test.mjs tests/structured-output.test.mjs tests/version-sync.test.mjs",
"test": "node --import ./tests/support/isolated-codex-home.mjs --test tests/*.test.mjs",
"test:cross-platform": "node --import ./tests/support/isolated-codex-home.mjs --test tests/args.test.mjs tests/changelog.test.mjs tests/claude-cli.test.mjs tests/fs.test.mjs tests/prompts.test.mjs tests/render.test.mjs tests/sandbox-modes.test.mjs tests/skills-contracts.test.mjs tests/structured-output.test.mjs tests/version-sync.test.mjs",
"test:integration": "node --test tests/integration/*.test.mjs",
"test:e2e": "node --test tests/e2e/*.test.mjs",
"uninstall:codex": "node scripts/installer-cli.mjs uninstall",
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21 changes: 21 additions & 0 deletions tests/support/isolated-codex-home.mjs
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Original file line number Diff line number Diff line change
@@ -0,0 +1,21 @@
/**
* Copyright 2026 Sendbird, Inc.
* SPDX-License-Identifier: Apache-2.0
*/
// Preloaded by the unit test scripts with `node --import`, which also applies it
// to every test file's process. Plugin state defaults to ~/.codex, so without
// this the tests that create jobs write into the developer's real Codex plugin
// data. Each process gets its own throwaway home. Tests that need a specific
// layout still pass their own HOME or CODEX_HOME to the processes they spawn.
import fs from "node:fs";
import os from "node:os";
import path from "node:path";
import process from "node:process";

const home = fs.mkdtempSync(path.join(os.tmpdir(), "cc-plugin-codex-test-home-"));
process.env.HOME = home;
process.env.USERPROFILE = home;
delete process.env.CODEX_HOME;
process.on("exit", () => {
fs.rmSync(home, { recursive: true, force: true });
});