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import { test as bunTest, expect, describe } from "bun:test";
import { generateClient } from "./helper.ts";
import type { PrismaClient } from "./prisma/types.d.ts";
function* TestIDGenerator(): Generator<number> {
while (true) {
yield Math.floor(1 + Math.random() * 2147483648);
}
}
const test_id = TestIDGenerator();
async function cleanTestId(prisma: PrismaClient, testId: number) {
try {
await prisma.post.deleteMany({ where: { testId } });
await prisma.user.deleteMany({ where: { testId } });
} catch {}
}
["sqlite", "postgres" /*"mssql", "mongodb"*/].forEach(async type => {
let Client: typeof PrismaClient;
try {
Client = await generateClient(type);
} catch (err: any) {
console.warn(`Skipping ${type} tests, failed to generate/migrate`, err.message);
}
async function test(label: string, callback: Function, timeout: number = 5000) {
const it = Client ? bunTest : bunTest.skip;
it(
label,
async () => {
const prisma = new Client();
const currentTestId = test_id.next().value;
await cleanTestId(prisma, currentTestId);
try {
await callback(prisma, currentTestId);
} finally {
await prisma.$disconnect();
}
},
timeout,
);
}
describe(`prisma ${type}`, () => {
test(
"CRUD basics",
async (prisma: PrismaClient, testId: number) => {
const user = await prisma.user.create({
data: {
testId,
name: "Test",
email: "test@oven.sh",
},
});
expect(user?.name).toBe("Test");
expect(user?.email).toBe("test@oven.sh");
expect(user?.testId).toBe(testId);
const users = await prisma.user.findMany({
where: {
testId,
name: "Test",
},
});
expect(users.length).toBe(1);
const updatedUser = await prisma.user.update({
where: {
id: user.id,
},
data: {
name: "Test2",
},
});
expect(updatedUser?.name).toBe("Test2");
const deletedUser = await prisma.user.delete({ where: { id: user.id } });
expect(deletedUser?.name).toBe("Test2");
},
20000,
);
test(
"CRUD with relations",
async (prisma: PrismaClient, testId: number) => {
const user = await prisma.user.create({
data: {
testId,
name: "Test",
email: "test@oven.sh",
posts: {
create: {
testId,
title: "Hello World",
},
},
},
});
expect(user?.name).toBe("Test");
expect(user?.email).toBe("test@oven.sh");
expect(user?.testId).toBe(testId);
const usersWithPosts = await prisma.user.findMany({
include: {
posts: true,
},
});
expect(usersWithPosts.length).toBe(1);
expect(usersWithPosts[0]?.posts?.length).toBe(1);
expect(usersWithPosts[0]?.posts[0]?.title).toBe("Hello World");
expect(async () => await prisma.user.deleteMany({ where: { testId } })).toThrow();
const deletedPosts = await prisma.post.deleteMany({ where: { testId } });
expect(deletedPosts?.count).toBe(1);
const deletedUser = await prisma.user.deleteMany({ where: { testId } });
expect(deletedUser?.count).toBe(1);
},
20000,
);
test(
"Should execute multiple commands at the same time",
async (prisma: PrismaClient, testId: number) => {
const users = await Promise.all(
new Array(10).fill(0).map((_, i) =>
prisma.user.create({
data: {
testId,
name: `Test${i}`,
email: `test${i}@oven.sh`,
},
}),
),
);
expect(users.length).toBe(10);
users.forEach((user, i) => {
expect(user?.name).toBe(`Test${i}`);
expect(user?.email).toBe(`test${i}@oven.sh`);
});
const deletedUser = await prisma.user.deleteMany({ where: { testId } });
expect(deletedUser?.count).toBe(10);
},
20000,
);
});
});
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