Squashed 'third_party/pi/' content from commit d981de122

git-subtree-dir: third_party/pi
git-subtree-split: d981de1229ef899957bbe968bc8dcda02a21f477

packages/coding-agent/test/experimental-session-directory.test.ts

@@ -0,0 +1,24 @@
+import { homedir } from "node:os";
+import { resolve } from "node:path";
+import { afterEach, describe, expect, test, vi } from "vitest";
+import { resolveSessionDirectory } from "../src/experimental/server.ts";
+
+afterEach(() => vi.unstubAllEnvs());
+
+describe("experimental server session directory", () => {
+	test("uses the experimental directory under the configured agent directory by default", () => {
+		vi.stubEnv("PI_CODING_AGENT_DIR", "/tmp/pi-agent-config");
+
+		expect(resolveSessionDirectory()).toBe("/tmp/pi-agent-config/experimental/sessions");
+	});
+
+	test("resolves an explicit relative directory from the current working directory", () => {
+		vi.stubEnv("PI_CODING_AGENT_DIR", "/tmp/pi-agent-config");
+
+		expect(resolveSessionDirectory("relative/sessions")).toBe(resolve("relative/sessions"));
+	});
+
+	test("expands a tilde in an explicit directory", () => {
+		expect(resolveSessionDirectory("~/custom-sessions")).toBe(resolve(homedir(), "custom-sessions"));
+	});
+});