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with-test-app.ts
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with-test-app.ts
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import { v4 as uuid } from "uuid";
import getPort from "get-port";
import type { Environment } from "../app/config.js";
import MockRestApi from "./rest-api.js";
import MailcatcherAPI from "./mailcatcher.js";
import { TestApp } from "./test-app.js";
export type TestAppConstructor<T extends TestApp = TestApp> = new (
uniq_id: string,
env: Environment,
port: number,
base_url: string
) => T;
type CallbackParams<FinalTestAppType extends TestApp> = {
app: FinalTestAppType;
base_url: string;
smtp_api_url: string;
rest_api: MockRestApi;
port: number;
mail_api: MailcatcherAPI;
app_class: TestAppConstructor<TestApp>;
uniq_id: string;
env: Environment;
};
type TestCallback<FinalTestAppType extends TestApp> = (
params: CallbackParams<FinalTestAppType>
) => Promise<any>;
type extendFn<FinalTestAppType extends TestApp> =
| null
| ((
app_class: TestAppConstructor<TestApp>
) => TestAppConstructor<FinalTestAppType>);
const test_collections: { [collection: string]: string } = {};
export async function withStoppedApp<FinalTestAppType extends TestApp>(
extend_fn: extendFn<FinalTestAppType>,
cb: TestCallback<FinalTestAppType>,
test_collection?: string // tests with the same collection get assigned the same db id
): Promise<any> {
await withTestApp(
"auto_start" && false,
"dev",
extend_fn,
cb,
test_collection
);
}
export async function withRunningApp<FinalTestAppType extends TestApp>(
extend_fn: extendFn<FinalTestAppType>,
cb: TestCallback<FinalTestAppType>,
test_collection?: string // tests with the same collection get assigned the same db id
): Promise<any> {
await withTestApp(
"auto_start" && true,
"dev",
extend_fn,
cb,
test_collection
);
}
function getAppID(test_collection?: string) {
let uniq_id;
if (test_collection) {
if (!test_collections[test_collection]) {
test_collections[test_collection] = uuid();
}
uniq_id = test_collections[test_collection];
} else {
uniq_id = uuid();
}
return uniq_id;
}
export async function withTestApp<FinalTestAppType extends TestApp>(
auto_start: boolean,
env: Environment,
extend_fn: extendFn<FinalTestAppType>,
fn: (params: CallbackParams<FinalTestAppType>) => Promise<unknown>,
test_collection?: string
) {
const port = await getPort();
const base_url = `http://127.0.0.1:${port}`;
const smtp_api_url = `http://${
process.env.SEALIOUS_SMTP_HOST || "127.0.0.1"
}:1088`;
const constructor = extend_fn ? extend_fn(TestApp) : TestApp;
const uniq_id = getAppID(test_collection);
const test_app = new constructor(uniq_id, env, port, base_url);
if (auto_start) {
await test_app.start();
}
try {
await fn({
app: test_app as FinalTestAppType,
port,
app_class: constructor,
env,
base_url,
uniq_id,
smtp_api_url,
mail_api: new MailcatcherAPI(smtp_api_url, test_app),
rest_api: new MockRestApi(base_url),
});
} catch (e) {
console.error(e);
throw e;
} finally {
if (test_app.status !== "stopped") {
await test_app.stop();
}
}
}

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