refactor(codex): give the CODEX_HOME lookup its own module

2026-09-08 16:24:17 +07:00
parent aef7ec130b
commit 57849d2f75
3 changed files with 92 additions and 5 deletions
@@ -0,0 +1,41 @@
+/**
+ * @file Tests for codex-home.js: CODEX_HOME resolution and related path
+ * resolutions for Codex project and surface directories.
+ * @author Nguyễn Ngọc Trí Vĩ <vinnt@smartgift.vn>
+ */
+
+const path = require("node:path");
+const os = require("node:os");
+
+const { describe, it, beforeEach } = require("node:test");
+const assert = require("node:assert/strict");
+
+describe("codex-home", () => {
+  beforeEach(() => {
+    // Clear the require cache so getCodexHome() reads the fresh env var
+    delete require.cache[require.resolve("../lib/codex-home")];
+  });
+
+  it("honours CODEX_HOME over the home directory", () => {
+    process.env.CODEX_HOME = "/tmp/injected-codex";
+    delete require.cache[require.resolve("../lib/codex-home")];
+    assert.equal(require("../lib/codex-home").getCodexHome(), "/tmp/injected-codex");
+  });
+
+  it("puts the project surfaces under <cwd>/.codex", () => {
+    const { getProjectCodexDir } = require("../lib/codex-home");
+    assert.equal(getProjectCodexDir("/repo"), path.join("/repo", ".codex"));
+  });
+
+  it("returns the cwd as the project root", () => {
+    const { getProjectRoot } = require("../lib/codex-home");
+    assert.equal(getProjectRoot("/repo"), "/repo");
+  });
+
+  it("defaults to ~/.codex when CODEX_HOME is not set", () => {
+    delete process.env.CODEX_HOME;
+    delete require.cache[require.resolve("../lib/codex-home")];
+    const { getCodexHome } = require("../lib/codex-home");
+    assert.equal(getCodexHome(), path.join(os.homedir(), ".codex"));
+  });
+});