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Made in-memory database return Promises instead of sync results #248

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Merged
merged 2 commits into from
May 11, 2025
Merged

Made in-memory database return Promises instead of sync results #248

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f6f5e27
Made in-memory database return Promises instead of sync results
oskardudycz May 11, 2025
5b31f49
Renamed Database to InMemoryDatabase and DocumentsCollection to InMem…
oskardudycz May 11, 2025
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16 changes: 8 additions & 8 deletions .../src/eventStore/consumers/eventStoreDBEventStoreConsumer.inMemory.projections.int.spec.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -3,7 +3,7 @@ import {
getInMemoryDatabase,
inMemoryProjector,
inMemorySingleStreamProjection,
type DocumentsCollection,
type InMemoryDocumentsCollection,
type ReadEvent,
} from '@event-driven-io/emmett';
import {
Expand All @@ -28,7 +28,7 @@ void describe('EventStoreDB event store started consumer', () => {
let eventStoreDB: StartedEventStoreDBContainer;
let connectionString: string;
let eventStore: EventStoreDBEventStore;
let summaries: DocumentsCollection<ShoppingCartSummary>;
let summaries: InMemoryDocumentsCollection<ShoppingCartSummary>;
const productItem = { price: 10, productId: uuid(), quantity: 10 };
const confirmedAt = new Date();
const database = getInMemoryDatabase();
Expand Down Expand Up @@ -84,7 +84,7 @@ void describe('EventStoreDB event store started consumer', () => {
try {
await consumer.start();

const summary = summaries.findOne((d) => d._id === streamName);
const summary = await summaries.findOne((d) => d._id === streamName);

assertMatches(summary, {
_id: streamName,
Expand Down Expand Up @@ -146,7 +146,7 @@ void describe('EventStoreDB event store started consumer', () => {

await consumerPromise;

const summary = summaries.findOne((d) => d._id === streamName);
const summary = await summaries.findOne((d) => d._id === streamName);

assertMatches(summary, {
_id: streamName,
Expand Down Expand Up @@ -212,7 +212,7 @@ void describe('EventStoreDB event store started consumer', () => {

await consumerPromise;

const summary = summaries.findOne((d) => d._id === streamName);
const summary = await summaries.findOne((d) => d._id === streamName);

assertMatches(summary, {
_id: streamName,
Expand Down Expand Up @@ -279,7 +279,7 @@ void describe('EventStoreDB event store started consumer', () => {

await consumerPromise;

const summary = summaries.findOne((d) => d._id === streamName);
const summary = await summaries.findOne((d) => d._id === streamName);

assertMatches(summary, {
_id: streamName,
Expand Down Expand Up @@ -352,7 +352,7 @@ void describe('EventStoreDB event store started consumer', () => {

await consumerPromise;

const summary = summaries.findOne((d) => d._id === streamName);
const summary = await summaries.findOne((d) => d._id === streamName);

assertMatches(summary, {
_id: streamName,
Expand Down Expand Up @@ -433,7 +433,7 @@ void describe('EventStoreDB event store started consumer', () => {

await consumerPromise;

const summary = summaries.findOne((d) => d._id === streamName);
const summary = await summaries.findOne((d) => d._id === streamName);

assertMatches(summary, {
_id: streamName,
Expand Down
16 changes: 8 additions & 8 deletions ...ql/src/eventStore/consumers/postgreSQLEventStoreConsumer.inMemory.projections.int.spec.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -3,7 +3,7 @@ import {
getInMemoryDatabase,
inMemoryProjector,
inMemorySingleStreamProjection,
type DocumentsCollection,
type InMemoryDocumentsCollection,
type ReadEvent,
} from '@event-driven-io/emmett';
import {
Expand All @@ -28,7 +28,7 @@ void describe('PostgreSQL event store started consumer', () => {
let postgres: StartedPostgreSqlContainer;
let connectionString: string;
let eventStore: PostgresEventStore;
let summaries: DocumentsCollection<ShoppingCartSummary>;
let summaries: InMemoryDocumentsCollection<ShoppingCartSummary>;
const productItem = { price: 10, productId: uuid(), quantity: 10 };
const confirmedAt = new Date();
const database = getInMemoryDatabase();
Expand Down Expand Up @@ -87,7 +87,7 @@ void describe('PostgreSQL event store started consumer', () => {
try {
await consumer.start();

const summary = summaries.findOne((d) => d._id === streamName);
const summary = await summaries.findOne((d) => d._id === streamName);

assertMatches(summary, {
_id: streamName,
Expand Down Expand Up @@ -150,7 +150,7 @@ void describe('PostgreSQL event store started consumer', () => {

await consumerPromise;

const summary = summaries.findOne((d) => d._id === streamName);
const summary = await summaries.findOne((d) => d._id === streamName);

assertMatches(summary, {
_id: streamName,
Expand Down Expand Up @@ -217,7 +217,7 @@ void describe('PostgreSQL event store started consumer', () => {

await consumerPromise;

const summary = summaries.findOne((d) => d._id === streamName);
const summary = await summaries.findOne((d) => d._id === streamName);

assertMatches(summary, {
_id: streamName,
Expand Down Expand Up @@ -285,7 +285,7 @@ void describe('PostgreSQL event store started consumer', () => {

await consumerPromise;

const summary = summaries.findOne((d) => d._id === streamName);
const summary = await summaries.findOne((d) => d._id === streamName);

assertMatches(summary, {
_id: streamName,
Expand Down Expand Up @@ -359,7 +359,7 @@ void describe('PostgreSQL event store started consumer', () => {

await consumerPromise;

const summary = summaries.findOne((d) => d._id === streamName);
const summary = await summaries.findOne((d) => d._id === streamName);

assertMatches(summary, {
_id: streamName,
Expand Down Expand Up @@ -441,7 +441,7 @@ void describe('PostgreSQL event store started consumer', () => {

await consumerPromise;

const summary = summaries.findOne((d) => d._id === streamName);
const summary = await summaries.findOne((d) => d._id === streamName);

assertMatches(summary, {
_id: streamName,
Expand Down
73 changes: 40 additions & 33 deletions src/packages/emmett/src/database/handle.unit.spec.ts
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Original file line number Diff line number Diff line change
@@ -1,7 +1,7 @@
import { equal, ok, deepStrictEqual } from 'node:assert/strict';
import { deepStrictEqual, equal, ok } from 'node:assert/strict';
import { beforeEach, describe, it } from 'node:test';
import {
type DocumentsCollection,
type InMemoryDocumentsCollection,
getInMemoryDatabase,
} from './inMemoryDatabase';

Expand All @@ -23,45 +23,52 @@ type User = {
};

void describe('InMemoryDatabase Handle Operations', () => {
let users: DocumentsCollection<User>;
let users: InMemoryDocumentsCollection<User>;

beforeEach(() => {
const db = getInMemoryDatabase();
users = db.collection<User>('users');
});
void it('should NOT insert a new document if it does not exist and expected DOCUMENT_EXISTS', () => {

void it('should NOT insert a new document if it does not exist and expected DOCUMENT_EXISTS', async () => {
const nonExistingId = 'test';
const newDoc: User = { name: 'John', age: 25 };
const handle = (_existing: User | null) => newDoc;
const resultInMemoryDatabase = users.handle(nonExistingId, handle, {
const resultInMemoryDatabase = await users.handle(nonExistingId, handle, {
expectedVersion: 'DOCUMENT_EXISTS',
});
equal(resultInMemoryDatabase.successful, false);
equal(resultInMemoryDatabase.document, null);
const inMemoryDatabaseDoc = users.findOne(
const inMemoryDatabaseDoc = await users.findOne(
({ _id }) => _id === nonExistingId,
);
equal(inMemoryDatabaseDoc, null);
});
void it('should NOT insert a new document if it does not exist and expected is numeric value', () => {

void it('should NOT insert a new document if it does not exist and expected is numeric value', async () => {
const nonExistingId = 'test';
const newDoc: User = { name: 'John', age: 25 };
const handle = (_existing: User | null) => newDoc;
const resultInMemoryDatabase = users.handle(nonExistingId, handle, {

const resultInMemoryDatabase = await users.handle(nonExistingId, handle, {
expectedVersion: 1n,
});

equal(resultInMemoryDatabase.successful, false);
equal(resultInMemoryDatabase.document, null);
const inMemoryDatabaseDoc = users.findOne(
const inMemoryDatabaseDoc = await users.findOne(
({ _id }) => _id === nonExistingId,
);
equal(inMemoryDatabaseDoc, null);
});
void it('should replace an existing document when expected version matches', () => {

void it('should replace an existing document when expected version matches', async () => {
const existingDoc: User = { _id: 'existingId', name: 'John', age: 25 };
const updatedDoc: User = { _id: existingDoc._id!, name: 'John', age: 30 };
const inMemoryDatabaseInsertResult = users.insertOne(existingDoc);
const inMemoryDatabaseInsertResult = await users.insertOne(existingDoc);
const handle = (_existing: User | null) => updatedDoc;
const resultInMemoryDatabase = users.handle(

const resultInMemoryDatabase = await users.handle(
inMemoryDatabaseInsertResult.insertedId!,
handle,
);
Expand All @@ -71,20 +78,20 @@ void describe('InMemoryDatabase Handle Operations', () => {
...updatedDoc,
_version: 2n,
});
const inMemoryDatabaseDoc = users.findOne(
const inMemoryDatabaseDoc = await users.findOne(
({ _id }) => _id === inMemoryDatabaseInsertResult.insertedId,
);
deepStrictEqual(inMemoryDatabaseDoc, {
...updatedDoc,
_version: 2n,
});
});
void it('should NOT replace an existing document when expected DOCUMENT_DOES_NOT_EXIST', () => {
void it('should NOT replace an existing document when expected DOCUMENT_DOES_NOT_EXIST', async () => {
const existingDoc: User = { _id: 'test', name: 'John', age: 25 };
const updatedDoc: User = { _id: existingDoc._id!, name: 'John', age: 30 };
const inMemoryDatabaseInsertResult = users.insertOne(existingDoc);
const inMemoryDatabaseInsertResult = await users.insertOne(existingDoc);
const handle = (_existing: User | null) => updatedDoc;
const resultInMemoryDatabase = users.handle(
const resultInMemoryDatabase = await users.handle(
inMemoryDatabaseInsertResult.insertedId!,
handle,
{
Expand All @@ -96,20 +103,20 @@ void describe('InMemoryDatabase Handle Operations', () => {
...existingDoc,
_version: 1n,
});
const inMemoryDatabaseDoc = users.findOne(
const inMemoryDatabaseDoc = await users.findOne(
({ _id }) => _id === inMemoryDatabaseInsertResult.insertedId,
);
deepStrictEqual(inMemoryDatabaseDoc, {
...existingDoc,
_version: 1n,
});
});
void it('should NOT replace an existing document when expected version is mismatched ', () => {
void it('should NOT replace an existing document when expected version is mismatched ', async () => {
const existingDoc: User = { _id: 'test', name: 'John', age: 25 };
const updatedDoc: User = { _id: existingDoc._id!, name: 'John', age: 30 };
const inMemoryDatabaseInsertResult = users.insertOne(existingDoc);
const inMemoryDatabaseInsertResult = await users.insertOne(existingDoc);
const handle = (_existing: User | null) => updatedDoc;
const resultInMemoryDatabase = users.handle(
const resultInMemoryDatabase = await users.handle(
inMemoryDatabaseInsertResult.insertedId!,
handle,
{
Expand All @@ -121,19 +128,19 @@ void describe('InMemoryDatabase Handle Operations', () => {
...existingDoc,
_version: 1n,
});
const inMemoryDatabaseDoc = users.findOne(
const inMemoryDatabaseDoc = await users.findOne(
({ _id }) => _id === inMemoryDatabaseInsertResult.insertedId,
);
deepStrictEqual(inMemoryDatabaseDoc, {
...existingDoc,
_version: 1n,
});
});
void it('should delete an existing document when expected version matches', () => {
void it('should delete an existing document when expected version matches', async () => {
const existingDoc: User = { name: 'John', age: 25 };
const inMemoryDatabaseInsertResult = users.insertOne(existingDoc);
const inMemoryDatabaseInsertResult = await users.insertOne(existingDoc);
const handle = (_existing: User | null) => null;
const resultInMemoryDatabase = users.handle(
const resultInMemoryDatabase = await users.handle(
inMemoryDatabaseInsertResult.insertedId!,
handle,
{
Expand All @@ -142,16 +149,16 @@ void describe('InMemoryDatabase Handle Operations', () => {
);
ok(resultInMemoryDatabase.successful);
equal(resultInMemoryDatabase.document, null);
const inMemoryDatabaseDoc = users.findOne(
const inMemoryDatabaseDoc = await users.findOne(
({ _id }) => _id === inMemoryDatabaseInsertResult.insertedId,
);
equal(inMemoryDatabaseDoc, null);
});
void it('should NOT delete an existing document when expected DOCUMENT_DOES_NOT_EXIST', () => {
void it('should NOT delete an existing document when expected DOCUMENT_DOES_NOT_EXIST', async () => {
const existingDoc: User = { name: 'John', age: 25 };
const inMemoryDatabaseInsertResult = users.insertOne(existingDoc);
const inMemoryDatabaseInsertResult = await users.insertOne(existingDoc);
const handle = (_existing: User | null) => null;
const resultInMemoryDatabase = users.handle(
const resultInMemoryDatabase = await users.handle(
inMemoryDatabaseInsertResult.insertedId!,
handle,
{
Expand All @@ -164,7 +171,7 @@ void describe('InMemoryDatabase Handle Operations', () => {
_id: inMemoryDatabaseInsertResult.insertedId!,
_version: 1n,
});
const inMemoryDatabaseDoc = users.findOne(
const inMemoryDatabaseDoc = await users.findOne(
({ _id }) => _id === inMemoryDatabaseInsertResult.insertedId,
);
deepStrictEqual(inMemoryDatabaseDoc, {
Expand All @@ -173,11 +180,11 @@ void describe('InMemoryDatabase Handle Operations', () => {
_version: 1n,
});
});
void it('should NOT delete an existing document when expected version is mismatched', () => {
void it('should NOT delete an existing document when expected version is mismatched', async () => {
const existingDoc: User = { name: 'John', age: 25 };
const inMemoryDatabaseInsertResult = users.insertOne(existingDoc);
const inMemoryDatabaseInsertResult = await users.insertOne(existingDoc);
const handle = (_existing: User | null) => null;
const resultInMemoryDatabase = users.handle(
const resultInMemoryDatabase = await users.handle(
inMemoryDatabaseInsertResult.insertedId!,
handle,
{
Expand All @@ -190,7 +197,7 @@ void describe('InMemoryDatabase Handle Operations', () => {
_id: inMemoryDatabaseInsertResult.insertedId!,
_version: 1n,
});
const inMemoryDatabaseDoc = users.findOne(
const inMemoryDatabaseDoc = await users.findOne(
({ _id }) => _id === inMemoryDatabaseInsertResult.insertedId,
);
deepStrictEqual(inMemoryDatabaseDoc, {
Expand Down
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