Add configuration to debug with VSCode

minor fixes from eslint and yarn.lock

.gitignore

@@ -4,6 +4,3 @@
 /index.d.ts
 /yarn-error.log
 package-lock.json
-
-# IDE artifacts
-.vscode

.vscode/launch.json

@@ -0,0 +1,19 @@
+{
+  "version": "0.2.0",
+  "configurations": [
+    {
+      "name": "Debug Jest Tests",
+      "type": "node",
+      "preLaunchTask": "start-containers",
+      "request": "launch",
+      "runtimeArgs": [
+        "--inspect-brk",
+        "${workspaceRoot}/node_modules/.bin/jest",
+        "--runInBand",
+        "--detectOpenHandles"
+      ],
+      "console": "integratedTerminal",
+      "internalConsoleOptions": "neverOpen"
+    }
+  ]
+}

.vscode/tasks.json

@@ -0,0 +1,13 @@
+{
+  // See https://go.microsoft.com/fwlink/?LinkId=733558
+  // for the documentation about the tasks.json format
+  "version": "2.0.0",
+  "tasks": [
+    {
+      "label": "start-containers",
+      "type": "shell",
+      "command": "${workspaceRoot}/test.sh",
+      "args": ["-oc"]
+    }
+  ]
+}

package.json

@@ -18,6 +18,7 @@
     "yarn": ">=1.22.10"
   },
   "dependencies": {
+    "@types/knex": "^0.16.1",
     "@types/lodash": "^4.14.194",
     "@types/node-fetch": "2.6.3",
     "fp-ts": "^2.14.0",

tests/models/currency.spec.ts

@@ -1,25 +1,29 @@
-import ContextProvider from "../testContext";
+import ContextProvider from '../testContext';
 
 const context = ContextProvider.Instance;
 
 describe('Ensure creation of a currency', () => {
-
-    it('should be able to create a currency', async () => {
-
-        const trx = await context.conn?.transaction()!;
-
-        const currency = await context.models?.currency.create({
-            code: 'TST'
-        }, {trx})
-
-        expect(currency).toBeDefined();
-        expect(currency?.id).toBeDefined();
-        expect(currency?.code).toEqual('TST');
-
-        context.transactions = {
-            ...context.transactions,
-            'create_currency': trx
-        }
-
-    })
-})
+  it('should be able to create a currency', async () => {
+    if (!context.conn) {
+      throw new Error('Context connection is not defined');
+    }
+
+    const trx = await context.conn.transaction();
+
+    const currency = await context.models?.currency.create(
+      {
+        code: 'TST',
+      },
+      { trx }
+    );
+
+    expect(currency).toBeDefined();
+    expect(currency?.id).toBeDefined();
+    expect(currency?.code).toEqual('TST');
+
+    context.transactions = {
+      ...context.transactions,
+      create_currency: trx,
+    };
+  });
+});

tests/test-environment-setup.ts

@@ -12,4 +12,4 @@ afterEach(async () => {
       await trx[key]?.rollback();
     }
   }
-});
+});

tests/testContext.ts

@@ -16,9 +16,9 @@ export default class ContextProvider implements IContext {
   transactions: Record<string, Knex.Transaction>;
 
   private constructor() {
-    this.models = undefined;
-    this.conn = undefined;
-    this.transactions = undefined;
+    this.models = {} as Database;
+    this.transactions = {};
+    this.conn = {} as Knex;
   }
 
   public static get Instance(): ContextProvider {
@@ -34,7 +34,6 @@ export default class ContextProvider implements IContext {
     const connection = await this.createDbTestConection();
     this.conn = connection;
     this.models = v4Models(this.conn);
-    this.transactions = {};
   }
 
   private async createDbTestConection(): Promise<Knex<any, unknown[]>> {