Create iam-system.test.ts

projects/pi-nexus-iam/integration/iam-system.test.ts

@@ -0,0 +1,85 @@
+import { Chance } from "chance";
+import { Context, PostConfirmationConfirmSignUpTriggerEvent } from "aws-lambda";
+import { DynamoDBClient } from "@aws-sdk/client-dynamodb";
+import { DynamoDBDocumentClient, GetCommand } from "@aws-sdk/lib-dynamodb";
+import { handler as iamSystem } from "../../functions/iam-system";
+
+const MOCKED_CONTEXT: Context = {
+  callbackWaitsForEmptyEventLoop: false,
+  functionName: "mocked",
+  functionVersion: "mocked",
+  invokedFunctionArn: "mocked",
+  memoryLimitInMB: "mocked",
+  awsRequestId: "mocked",
+  logGroupName: "mocked",
+  logStreamName: "mocked",
+  getRemainingTimeInMillis(): number {
+    return 999;
+  },
+  done(error?: Error, result?: any): void {
+    return;
+  },
+  fail(error: Error | string): void {
+    return;
+  },
+  succeed(messageOrObject: any): void {
+    return;
+  },
+};
+
+describe("When iamSystem runs", () => {
+  it("The user's profile should be saved in DynamoDb", async () => {
+    // Arrange
+    const firstName = Chance().first({ nationality: "en" });
+    const lastName = Chance().last({ nationality: "en" });
+    const name = `${firstName} ${lastName}`;
+    const email = `${firstName}-${lastName}@test.com`;
+    const username = Chance().guid();
+
+    // Act
+    const event: PostConfirmationConfirmSignUpTriggerEvent = {
+      version: "1",
+      region: process.env.AWS_REGION!,
+      userPoolId: process.env.COGNITO_USER_POOL_ID!,
+      userName: username,
+      triggerSource: "PostConfirmation_ConfirmSignUp",
+      request: {
+        userAttributes: {
+          sub: username,
+          "cognito:email_alias": email,
+          "cognito:user_status": "CONFIRMED",
+          email_verified: "false",
+          name: name,
+          email: email,
+        },
+      },
+      response: {},
+      callerContext: {
+        awsSdkVersion: "3",
+        clientId: "string",
+      },
+    };
+    await iamSystem(event, MOCKED_CONTEXT, () => {});
+
+    // Assert
+    const client = new DynamoDBClient({});
+    const ddDocClient = DynamoDBDocumentClient.from(client);
+
+    const getUser = new GetCommand({
+      TableName: process.env.USERS_TABLE,
+      Key: {
+        id: username,
+      },
+    });
+    const resp = await ddDocClient.send(getUser);
+    const ddbUser = resp.Item;
+
+    expect(ddbUser).toMatchObject({
+      id: username,
+      name,
+      createdAt: expect.stringMatching(
+        /\d{4}-[01]\d-[0-3]\dT[0-2]\d:[0-5]\d:[0-5]\d(?:\.\d+)?Z?/g
+      ),
+    });
+  });
+});