CCM-10429: Initial unit tests

Author: chris-elliott-nhsd

data-migration/user-transfer/jest.config.ts

@@ -33,7 +33,7 @@ const config: Config = {
 
   collectCoverageFrom: ['src/**/*.ts*'],
 
-  coveragePathIgnorePatterns: ['handler.ts', 'constants.ts'],
+  coveragePathIgnorePatterns: ['migrate-cli.ts', 'plan-cli.ts'],
 
   // Set the absolute path for imports
   moduleNameMapper: pathsToModuleNameMapper(compilerOptions.paths, {

data-migration/user-transfer/package.json

@@ -22,8 +22,9 @@
   "scripts": {
     "lint": "eslint ./src",
     "lint:fix": "eslint ./src --fix",
+    "migrate": "tsx src/migrate-cli.ts",
+    "plan": "tsx src/plan-cli.ts",
     "test:unit": "jest",
-    "transfer": "tsx src/handler.ts",
     "typecheck": "tsc --noEmit"
   }
 }

data-migration/user-transfer/src/__tests__/user-transfer.test.ts

@@ -0,0 +1,83 @@
+import { mockDeep } from 'jest-mock-extended';
+import { CognitoRepository } from '../../utils/cognito-repository';
+import { CognitoIdentityProviderClient } from '@aws-sdk/client-cognito-identity-provider';
+
+test('getAllUsers', async () => {
+  const mockCognitoClient = mockDeep<CognitoIdentityProviderClient>({
+    send: jest
+      .fn()
+      .mockResolvedValueOnce({
+        Users: [
+          {
+            Username: 'username-1',
+            Attributes: [
+              {
+                Name: 'sub',
+                Value: 'sub-1',
+              },
+            ],
+          },
+          {
+            Username: 'username-2',
+          },
+        ],
+      })
+      .mockResolvedValueOnce({
+        Groups: [
+          {
+            GroupName: 'client:client-1',
+          },
+        ],
+      })
+      .mockResolvedValueOnce({
+        Groups: [],
+      }),
+  });
+
+  const cognitoRepository = new CognitoRepository(
+    'user-pool-id',
+    mockCognitoClient
+  );
+
+  const users = await cognitoRepository.getAllUsers();
+
+  expect(users).toEqual([
+    {
+      username: 'username-1',
+      clientId: 'client-1',
+      userId: 'sub-1',
+    },
+  ]);
+});
+
+test('getAllUser - throws error', async () => {
+  const mockCognitoClient = mockDeep<CognitoIdentityProviderClient>({
+    send: jest
+      .fn()
+      .mockResolvedValueOnce({
+        Users: [
+          {
+            Username: 'username-1',
+            Attributes: [
+              {
+                Name: 'sub',
+                Value: 'sub-1',
+              },
+            ],
+          },
+        ],
+      })
+      .mockImplementation(() => {
+        throw new Error('error');
+      }),
+  });
+
+  const cognitoRepository = new CognitoRepository(
+    'user-pool-id',
+    mockCognitoClient
+  );
+
+  await expect(
+    async () => await cognitoRepository.getAllUsers()
+  ).rejects.toThrow('error');
+});