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import { createInMemorySessionStore } from "./session.js";
describe("acp session manager", () => {
let nowMs = 0;
const now = () => nowMs;
const advance = (ms: number) => {
nowMs += ms;
};
let store = createInMemorySessionStore({ now });
beforeEach(() => {
nowMs = 1_000;
store = createInMemorySessionStore({ now });
});
afterEach(() => {
store.clearAllSessionsForTest();
});
it("tracks active runs and clears on cancel", () => {
const session = store.createSession({
sessionKey: "acp:test",
cwd: "/tmp",
});
const controller = new AbortController();
store.setActiveRun(session.sessionId, "run-1", controller);
expect(store.getSessionByRunId("run-1")?.sessionId).toBe(session.sessionId);
const cancelled = store.cancelActiveRun(session.sessionId);
expect(cancelled).toBe(true);
expect(store.getSessionByRunId("run-1")).toBeUndefined();
});
it("refreshes existing session IDs instead of creating duplicates", () => {
const first = store.createSession({
sessionId: "existing",
sessionKey: "acp:one",
cwd: "/tmp/one",
});
advance(500);
const refreshed = store.createSession({
sessionId: "existing",
sessionKey: "acp:two",
cwd: "/tmp/two",
});
expect(refreshed).toBe(first);
expect(refreshed.sessionKey).toBe("acp:two");
expect(refreshed.cwd).toBe("/tmp/two");
expect(refreshed.createdAt).toBe(1_000);
expect(refreshed.lastTouchedAt).toBe(1_500);
expect(store.hasSession("existing")).toBe(true);
});
it("reaps idle sessions before enforcing the max session cap", () => {
const boundedStore = createInMemorySessionStore({
maxSessions: 1,
idleTtlMs: 1_000,
now,
});
try {
boundedStore.createSession({
sessionId: "old",
sessionKey: "acp:old",
cwd: "/tmp",
});
advance(2_000);
const fresh = boundedStore.createSession({
sessionId: "fresh",
sessionKey: "acp:fresh",
cwd: "/tmp",
});
expect(fresh.sessionId).toBe("fresh");
expect(boundedStore.getSession("old")).toBeUndefined();
expect(boundedStore.hasSession("old")).toBe(false);
} finally {
boundedStore.clearAllSessionsForTest();
}
});
it("uses soft-cap eviction for the oldest idle session when full", () => {
const boundedStore = createInMemorySessionStore({
maxSessions: 2,
idleTtlMs: 24 * 60 * 60 * 1_000,
now,
});
try {
const first = boundedStore.createSession({
sessionId: "first",
sessionKey: "acp:first",
cwd: "/tmp",
});
advance(100);
const second = boundedStore.createSession({
sessionId: "second",
sessionKey: "acp:second",
cwd: "/tmp",
});
const controller = new AbortController();
boundedStore.setActiveRun(second.sessionId, "run-2", controller);
advance(100);
const third = boundedStore.createSession({
sessionId: "third",
sessionKey: "acp:third",
cwd: "/tmp",
});
expect(third.sessionId).toBe("third");
expect(boundedStore.getSession(first.sessionId)).toBeUndefined();
expect(boundedStore.getSession(second.sessionId)).toBeDefined();
} finally {
boundedStore.clearAllSessionsForTest();
}
});
it("rejects when full and no session is evictable", () => {
const boundedStore = createInMemorySessionStore({
maxSessions: 1,
idleTtlMs: 24 * 60 * 60 * 1_000,
now,
});
try {
const only = boundedStore.createSession({
sessionId: "only",
sessionKey: "acp:only",
cwd: "/tmp",
});
boundedStore.setActiveRun(only.sessionId, "run-only", new AbortController());
expect(() =>
boundedStore.createSession({
sessionId: "next",
sessionKey: "acp:next",
cwd: "/tmp",
}),
).toThrow(/session limit reached/i);
} finally {
boundedStore.clearAllSessionsForTest();
}
});
});
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