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Added SQLite event store the ability to create connection #178

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merged 10 commits into from
Feb 11, 2025
Merged

Added SQLite event store the ability to create connection #178

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e75ed24
Added eventstore the ability to create connection from path
Jan 20, 2025
189bf10
Swapped creation of event store to be purely done internally
Feb 2, 2025
10d2c9a
Added check for created database
Feb 2, 2025
d07d28b
Use in memory for sqlite connection in test
Feb 2, 2025
f132e46
Removed sqlite connection location being optional
Feb 8, 2025
1eefee2
Removed redundant option
Feb 8, 2025
ecf7829
Wrapped event store actions with try catches and connection handling
Feb 8, 2025
20eb16c
Removed redundant finally clause
Feb 8, 2025
4e79aeb
Moved ensure created inside try catch block
Feb 10, 2025
913f5e6
Fixed failing SQLite e2e tests and TS config
oskardudycz Feb 11, 2025
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4 changes: 3 additions & 1 deletion .gitignore
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Original file line number Diff line number Diff line change
Expand Up @@ -126,4 +126,6 @@ lib
*/.output
e2e/esmCompatibility/.output
src/e2e/esmCompatibility/.output
**/0x
**/0x

**/*.db
272 changes: 157 additions & 115 deletions src/packages/emmett-sqlite/src/eventStore/SQLiteEventStore.e2e.spec.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -5,122 +5,168 @@ import {
assertThrowsAsync,
ExpectedVersionConflictError,
} from '@event-driven-io/emmett';
import fs from 'fs';
import { afterEach, beforeEach, describe, it } from 'node:test';
import sqlite3 from 'sqlite3';
import path from 'path';
import { fileURLToPath } from 'url';
import { v4 as uuid } from 'uuid';
import { sqliteConnection, type SQLiteConnection } from '../sqliteConnection';
import { InMemorySQLiteDatabase, sqliteConnection } from '../sqliteConnection';
import {
type DiscountApplied,
type PricedProductItem,
type ProductItemAdded,
type ShoppingCartEvent,
} from '../testing/shoppingCart.domain';
import { createEventStoreSchema } from './schema';
import { getSQLiteEventStore } from './SQLiteEventStore';

void describe('EventStoreDBEventStore', () => {
let db: SQLiteConnection;
let conn: sqlite3.Database;

beforeEach(() => {
conn = new sqlite3.Database(':memory:');
db = sqliteConnection(conn);
});
import {
getSQLiteEventStore,
type SQLiteEventStoreOptions,
} from './SQLiteEventStore';

void describe('SQLiteEventStore', () => {
const testDatabasePath = path.resolve(
path.dirname(fileURLToPath(import.meta.url)),
'..',
'testing',
);
const fileName = path.resolve(testDatabasePath, 'test.db');

afterEach(() => {
conn.close();
if (!fs.existsSync(fileName)) {
return;
}
fs.unlinkSync(fileName);
});

void it('should append events', async () => {
await createEventStoreSchema(db);
const eventStore = getSQLiteEventStore(db);

const productItem: PricedProductItem = {
productId: '123',
quantity: 10,
price: 3,
void describe('With manual Schema Creation', () => {
const config: SQLiteEventStoreOptions = {
schema: {
autoMigration: 'None',
},
fileName,
};
const discount = 10;
const shoppingCartId = `shopping_cart-${uuid()}`;

const result = await eventStore.appendToStream<ShoppingCartEvent>(
shoppingCartId,
[{ type: 'ProductItemAdded', data: { productItem } }],
);

const result2 = await eventStore.appendToStream<ShoppingCartEvent>(
shoppingCartId,
[{ type: 'ProductItemAdded', data: { productItem } }],
{ expectedStreamVersion: result.nextExpectedStreamVersion },
);

await eventStore.appendToStream<ShoppingCartEvent>(
shoppingCartId,
[
{
type: 'DiscountApplied',
data: { percent: discount, couponId: uuid() },
},
],
{ expectedStreamVersion: result2.nextExpectedStreamVersion },
);
beforeEach(() => createEventStoreSchema(sqliteConnection({ fileName })));

const { events } = await eventStore.readStream(shoppingCartId);
void it('should append events', async () => {
const eventStore = getSQLiteEventStore(config);

assertIsNotNull(events);
assertEqual(3, events.length);
});
const productItem: PricedProductItem = {
productId: '123',
quantity: 10,
price: 3,
};
const discount = 10;
const shoppingCartId = `shopping_cart-${uuid()}`;

void it('should aggregate stream', async () => {
await createEventStoreSchema(db);
const eventStore = getSQLiteEventStore(db);
const result = await eventStore.appendToStream<ShoppingCartEvent>(
shoppingCartId,
[{ type: 'ProductItemAdded', data: { productItem } }],
);

const productItem: PricedProductItem = {
productId: '123',
quantity: 10,
price: 3,
};
const discount = 10;
const shoppingCartId = `shopping_cart-${uuid()}`;
const result2 = await eventStore.appendToStream<ShoppingCartEvent>(
shoppingCartId,
[{ type: 'ProductItemAdded', data: { productItem } }],
{ expectedStreamVersion: result.nextExpectedStreamVersion },
);

const result = await eventStore.appendToStream<ShoppingCartEvent>(
shoppingCartId,
[{ type: 'ProductItemAdded', data: { productItem } }],
);

const result2 = await eventStore.appendToStream<ShoppingCartEvent>(
shoppingCartId,
[{ type: 'ProductItemAdded', data: { productItem } }],
{ expectedStreamVersion: result.nextExpectedStreamVersion },
);

await eventStore.appendToStream<ShoppingCartEvent>(
shoppingCartId,
[
{
type: 'DiscountApplied',
data: { percent: discount, couponId: uuid() },
},
],
{ expectedStreamVersion: result2.nextExpectedStreamVersion },
);
await eventStore.appendToStream<ShoppingCartEvent>(
shoppingCartId,
[
{
type: 'DiscountApplied',
data: { percent: discount, couponId: uuid() },
},
],
{ expectedStreamVersion: result2.nextExpectedStreamVersion },
);

const aggregation = await eventStore.aggregateStream(shoppingCartId, {
evolve,
initialState: () => null,
const { events } = await eventStore.readStream(shoppingCartId);

assertIsNotNull(events);
assertEqual(3, events.length);
});

assertDeepEqual(
{ totalAmount: 54, productItemsCount: 20 },
aggregation.state,
);
void it('should aggregate stream', async () => {
const eventStore = getSQLiteEventStore(config);

const productItem: PricedProductItem = {
productId: '123',
quantity: 10,
price: 3,
};
const discount = 10;
const shoppingCartId = `shopping_cart-${uuid()}`;

const result = await eventStore.appendToStream<ShoppingCartEvent>(
shoppingCartId,
[{ type: 'ProductItemAdded', data: { productItem } }],
);

const result2 = await eventStore.appendToStream<ShoppingCartEvent>(
shoppingCartId,
[{ type: 'ProductItemAdded', data: { productItem } }],
{ expectedStreamVersion: result.nextExpectedStreamVersion },
);

await eventStore.appendToStream<ShoppingCartEvent>(
shoppingCartId,
[
{
type: 'DiscountApplied',
data: { percent: discount, couponId: uuid() },
},
],
{ expectedStreamVersion: result2.nextExpectedStreamVersion },
);

const aggregation = await eventStore.aggregateStream(shoppingCartId, {
evolve,
initialState: () => null,
});

assertDeepEqual(
{ totalAmount: 54, productItemsCount: 20 },
aggregation.state,
);
});

void it('should throw an error if concurrency check has failed when appending stream', async () => {
const eventStore = getSQLiteEventStore(config);

const productItem: PricedProductItem = {
productId: '123',
quantity: 10,
price: 3,
};

const shoppingCartId = `shopping_cart-${uuid()}`;

await assertThrowsAsync<ExpectedVersionConflictError<bigint>>(
async () => {
await eventStore.appendToStream<ShoppingCartEvent>(
shoppingCartId,
[
{
type: 'ProductItemAdded',
data: { productItem },
},
],
{
expectedStreamVersion: 5n,
},
);
},
);
});
});

void it('should automatically create schema', async () => {
const eventStore = getSQLiteEventStore(db, {
const eventStore = getSQLiteEventStore({
schema: {
autoMigration: 'CreateOrUpdate',
},
fileName,
});

const productItem: PricedProductItem = {
Expand All @@ -141,13 +187,13 @@ void describe('EventStoreDBEventStore', () => {
assertEqual(1, events.length);
});

void it('should not overwrite event store if it exists', async () => {
const eventStore = getSQLiteEventStore(db, {
void it('should create the sqlite connection in memory, and not close the connection', async () => {
const eventStore = getSQLiteEventStore({
schema: {
autoMigration: 'CreateOrUpdate',
},
fileName: InMemorySQLiteDatabase,
});

const productItem: PricedProductItem = {
productId: '123',
quantity: 10,
Expand All @@ -164,23 +210,14 @@ void describe('EventStoreDBEventStore', () => {

assertIsNotNull(events);
assertEqual(1, events.length);

const sameEventStore = getSQLiteEventStore(db, {
schema: {
autoMigration: 'CreateOrUpdate',
},
});

const stream = await sameEventStore.readStream(shoppingCartId);
assertIsNotNull(stream.events);
assertEqual(1, stream.events.length);
});

void it('should throw an error if concurrency check has failed when appending stream', async () => {
const eventStore = getSQLiteEventStore(db, {
void it('should not overwrite event store if it exists', async () => {
const eventStore = getSQLiteEventStore({
schema: {
autoMigration: 'CreateOrUpdate',
},
fileName,
});

const productItem: PricedProductItem = {
Expand All @@ -191,20 +228,25 @@ void describe('EventStoreDBEventStore', () => {

const shoppingCartId = `shopping_cart-${uuid()}`;

await assertThrowsAsync<ExpectedVersionConflictError<bigint>>(async () => {
await eventStore.appendToStream<ShoppingCartEvent>(
shoppingCartId,
[
{
type: 'ProductItemAdded',
data: { productItem },
},
],
{
expectedStreamVersion: 5n,
},
);
await eventStore.appendToStream<ShoppingCartEvent>(shoppingCartId, [
{ type: 'ProductItemAdded', data: { productItem } },
]);

const { events } = await eventStore.readStream(shoppingCartId);

assertIsNotNull(events);
assertEqual(1, events.length);
const sameEventStore = getSQLiteEventStore({
schema: {
autoMigration: 'CreateOrUpdate',
},
fileName,
});

const stream = await sameEventStore.readStream(shoppingCartId);

assertIsNotNull(stream.events);
assertEqual(1, stream.events.length);
});
});

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