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import { afterEach, beforeEach, describe, expect, it } from "vitest";
import type { Migration } from "./migrate.js";
import { computePending } from "./migrate.js";
import type { SqliteStorageBackend } from "./storage.js";
import { createSqliteStorage } from "./storage.js";
describe("computePending (pure)", () => {
it("returns all migrations when none applied", () => {
const migrations: Migration[] = [
{ version: 2, name: "b", up: "" },
{ version: 1, name: "a", up: "" },
];
const result = computePending(new Set(), migrations);
expect(result.map((m) => m.version)).toEqual([1, 2]);
});
it("skips already-applied versions", () => {
const migrations: Migration[] = [
{ version: 1, name: "a", up: "" },
{ version: 2, name: "b", up: "" },
{ version: 3, name: "c", up: "" },
];
const result = computePending(new Set([1, 3]), migrations);
expect(result.map((m) => m.version)).toEqual([2]);
});
it("returns empty when all applied", () => {
const migrations: Migration[] = [{ version: 1, name: "a", up: "" }];
const result = computePending(new Set([1]), migrations);
expect(result).toEqual([]);
});
it("sorts by version ascending", () => {
const migrations: Migration[] = [
{ version: 3, name: "c", up: "" },
{ version: 1, name: "a", up: "" },
{ version: 2, name: "b", up: "" },
];
const result = computePending(new Set(), migrations);
expect(result.map((m) => m.version)).toEqual([1, 2, 3]);
});
});
describe("createSqliteStorage", () => {
let backend: SqliteStorageBackend;
beforeEach(() => {
backend = createSqliteStorage({ path: ":memory:" });
});
afterEach(() => {
backend.close();
});
describe("StorageNamespace get/set/delete/has", () => {
it("returns null for missing key", async () => {
const ns = backend.storage("test");
expect(await ns.get("missing")).toBeNull();
});
it("roundtrips set then get", async () => {
const ns = backend.storage("test");
await ns.set("key1", "value1");
expect(await ns.get("key1")).toBe("value1");
});
it("overwrites existing value", async () => {
const ns = backend.storage("test");
await ns.set("key1", "v1");
await ns.set("key1", "v2");
expect(await ns.get("key1")).toBe("v2");
});
it("has returns false for missing, true for existing", async () => {
const ns = backend.storage("test");
expect(await ns.has("key1")).toBe(false);
await ns.set("key1", "val");
expect(await ns.has("key1")).toBe(true);
});
it("delete removes the key", async () => {
const ns = backend.storage("test");
await ns.set("key1", "val");
await ns.delete("key1");
expect(await ns.get("key1")).toBeNull();
expect(await ns.has("key1")).toBe(false);
});
it("delete on missing key is a no-op", async () => {
const ns = backend.storage("test");
await ns.delete("nonexistent");
});
});
describe("keys", () => {
it("returns all keys in namespace", async () => {
const ns = backend.storage("test");
await ns.set("a", "1");
await ns.set("b", "2");
await ns.set("c", "3");
const keys = await ns.keys();
expect(keys.toSorted()).toEqual(["a", "b", "c"]);
});
it("filters by prefix", async () => {
const ns = backend.storage("test");
await ns.set("foo:1", "a");
await ns.set("foo:2", "b");
await ns.set("bar:1", "c");
const keys = await ns.keys("foo");
expect(keys.toSorted()).toEqual(["foo:1", "foo:2"]);
});
it("returns empty for no matches", async () => {
const ns = backend.storage("test");
await ns.set("a", "1");
expect(await ns.keys("zzz")).toEqual([]);
});
});
describe("namespace isolation", () => {
it("same key in different namespaces does not collide", async () => {
const ns1 = backend.storage("ns1");
const ns2 = backend.storage("ns2");
await ns1.set("key", "value1");
await ns2.set("key", "value2");
expect(await ns1.get("key")).toBe("value1");
expect(await ns2.get("key")).toBe("value2");
});
it("delete in one namespace does not affect another", async () => {
const ns1 = backend.storage("ns1");
const ns2 = backend.storage("ns2");
await ns1.set("key", "v1");
await ns2.set("key", "v2");
await ns1.delete("key");
expect(await ns1.has("key")).toBe(false);
expect(await ns2.get("key")).toBe("v2");
});
it("keys are scoped to namespace", async () => {
const ns1 = backend.storage("ns1");
const ns2 = backend.storage("ns2");
await ns1.set("a", "1");
await ns1.set("b", "2");
await ns2.set("c", "3");
expect((await ns1.keys()).toSorted()).toEqual(["a", "b"]);
expect(await ns2.keys()).toEqual(["c"]);
});
});
describe("migrate", () => {
it("runs pending migrations in order", async () => {
const migrations: Migration[] = [
{ version: 1, name: "create_foo", up: "CREATE TABLE foo (id INTEGER PRIMARY KEY);" },
{ version: 2, name: "create_bar", up: "CREATE TABLE bar (id INTEGER PRIMARY KEY);" },
];
await backend.migrate("ext1", migrations);
const ns = backend.storage("ext1");
await ns.set("test", "val");
expect(await ns.get("test")).toBe("val");
});
it("skips already-applied migrations", async () => {
const migrations: Migration[] = [
{ version: 1, name: "create_foo", up: "CREATE TABLE foo (id INTEGER PRIMARY KEY);" },
];
await backend.migrate("ext1", migrations);
await backend.migrate("ext1", [
...migrations,
{ version: 2, name: "create_bar", up: "CREATE TABLE bar (id INTEGER PRIMARY KEY);" },
]);
});
it("is idempotent — calling migrate twice with same migrations is safe", async () => {
const migrations: Migration[] = [
{ version: 1, name: "create_foo", up: "CREATE TABLE foo (id INTEGER PRIMARY KEY);" },
];
await backend.migrate("ext1", migrations);
await backend.migrate("ext1", migrations);
});
it("migrations are per-namespace", async () => {
const m1: Migration[] = [
{ version: 1, name: "create_t1", up: "CREATE TABLE t1 (id INTEGER PRIMARY KEY);" },
];
const m2: Migration[] = [
{ version: 1, name: "create_t2", up: "CREATE TABLE t2 (id INTEGER PRIMARY KEY);" },
];
await backend.migrate("ext1", m1);
await backend.migrate("ext2", m2);
});
});
});
describe("createSqliteStorage — persistence across reopen", () => {
it("migrations survive close and reopen", async () => {
const tmpPath = `/tmp/storage-sqlite-test-${Date.now()}.db`;
const migrations: Migration[] = [
{ version: 1, name: "create_foo", up: "CREATE TABLE foo (id INTEGER PRIMARY KEY);" },
];
const first = createSqliteStorage({ path: tmpPath });
await first.migrate("ext1", migrations);
first.close();
const second = createSqliteStorage({ path: tmpPath });
await second.migrate("ext1", [
...migrations,
{ version: 2, name: "create_bar", up: "CREATE TABLE bar (id INTEGER PRIMARY KEY);" },
]);
second.close();
const { unlinkSync } = await import("node:fs");
unlinkSync(tmpPath);
});
});
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