feat: Introduce backend test suite with ava

packages/backend/ava.config.mjs

@@ -0,0 +1,5 @@
+export default {
+  require: ['ts-node/register', './src/config/app.ts'],
+  files: ['**/*.test.ts'],
+  extensions: ['ts'],
+};

packages/backend/package.json

@@ -9,7 +9,8 @@
     "build": "tsc && yarn copy-statics",
     "build:watch": "nodemon --watch 'src/**/*.ts' --watch 'bin/**/*.ts' --exec yarn build --ext ts",
     "start": "node dist/src/server.js",
-    "test": "ava",
+    "pretest": "APP_ENV=test ts-node ./test/setup/create-database.ts",
+    "test": "APP_ENV=test ava",
     "lint": "eslint . --ignore-path ../../.eslintignore",
     "db:create": "ts-node ./bin/database/create.ts",
     "db:seed:user": "ts-node ./bin/database/seed-user.ts",
@@ -131,23 +132,12 @@
     "@types/pino": "^7.0.5",
     "@types/pluralize": "^0.0.30",
     "@types/showdown": "^2.0.1",
-    "ava": "^3.15.0",
+    "ava": "^5.3.1",
     "nodemon": "^2.0.13",
     "sinon": "^11.1.2",
     "ts-node": "^10.2.1",
     "ts-node-dev": "^1.1.8"
   },
-  "ava": {
-    "files": [
-      "test/**/*"
-    ],
-    "extensions": [
-      "ts"
-    ],
-    "require": [
-      "ts-node/register"
-    ]
-  },
   "publishConfig": {
     "access": "public"
   }

packages/backend/src/config/app.ts

@@ -1,6 +1,12 @@
 import { URL } from 'node:url';
 import * as dotenv from 'dotenv';
-dotenv.config();
+import path from 'path';
+
+if (process.env.APP_ENV === 'test') {
+  dotenv.config({ path: path.resolve(__dirname, '../../.env.test') });
+} else {
+  dotenv.config();
+}
 
 type AppConfig = {
   host: string;

packages/backend/src/graphql/queries/get-user.test.ts

@@ -0,0 +1,8 @@
+import test from 'ava';
+
+const fn = () => 'foo';
+
+test('getUser graphQL query', (t) => {
+  // TODO: Write a test for getUser graphQL query
+  t.is(fn(), 'foo');
+});

packages/backend/test/sample.ts

@@ -1,7 +0,0 @@
-import test from 'ava';
-
-const fn = () => 'foo';
-
-test('fn() returns foo', (t) => {
-  t.is(fn(), 'foo');
-});

packages/backend/test/setup/create-database.ts

@@ -0,0 +1,11 @@
+import { createDatabaseAndUser } from '../../bin/database/utils';
+import logger from '../../src/helpers/logger';
+
+createDatabaseAndUser()
+  .then(() => {
+    process.exit(0);
+  })
+  .catch((error) => {
+    logger.error(error);
+    process.exit(1);
+  });