feat: DB v2 snapshot db tests

tests/database/default-db.test.ts

@@ -18,7 +18,7 @@ export function testDefaultDb(ctx: DatabaseTestContext) {
     assert.ok(database, 'Database should be defined');
     assert.strictEqual(
       database.name,
-      `${ctx.config.appName}-default`,
+      `${ctx.config.appName}-default-db`,
       'Database should have correct name',
     );
 

tests/database/index.test.ts

@@ -11,6 +11,7 @@ import { RDSClient } from '@aws-sdk/client-rds';
 import { requireEnv } from '../util';
 import { testCustomDb } from './custom-db.test';
 import { testDefaultDb } from './default-db.test';
+import { testSnapshotDb } from './snapshot-db.test';
 
 const programArgs: InlineProgramArgs = {
   stackName: 'dev',
@@ -39,5 +40,6 @@ describe('Database component deployment', () => {
 
   describe('Default database', () => testDefaultDb(ctx));
   describe('Custom database', () => testCustomDb(ctx));
+  describe('Snapshot database', () => testSnapshotDb(ctx));
   after(() => cleanupSnapshots(ctx));
 });

tests/database/infrastructure/index.ts

@@ -5,7 +5,7 @@ import * as config from './config';
 
 const vpc = new studion.Vpc(`${config.appName}-vpc`, {});
 
-const defaultDb = new DatabaseBuilder(`${config.appName}-default`)
+const defaultDb = new DatabaseBuilder(`${config.appName}-default-db`)
   .withInstance({
     dbName: config.dbName,
   })
@@ -15,7 +15,7 @@ const defaultDb = new DatabaseBuilder(`${config.appName}-default`)
   .withVpc(vpc.vpc)
   .build();
 
-const kms = new aws.kms.Key(`${config.appName}-kms`, {
+const kms = new aws.kms.Key(`${config.appName}-kms-key`, {
   description: `${config.appName} RDS encryption key`,
   customerMasterKeySpec: 'SYMMETRIC_DEFAULT',
   isEnabled: true,
@@ -33,7 +33,7 @@ const paramGroup = new aws.rds.ParameterGroup(
   },
 );
 
-const customDb = new DatabaseBuilder(`${config.appName}-custom`)
+const customDb = new DatabaseBuilder(`${config.appName}-custom-db`)
   .withInstance({
     dbName: config.dbName,
     applyImmediately: config.applyImmediately,
@@ -55,4 +55,27 @@ const customDb = new DatabaseBuilder(`${config.appName}-custom`)
   .withTags(config.tags)
   .build();
 
-export { vpc, defaultDb, kms, paramGroup, customDb };
+const snapshot = defaultDb.instance.dbInstanceIdentifier.apply(
+  dbInstanceIdentifier => {
+    if (!dbInstanceIdentifier) return;
+    return new aws.rds.Snapshot(`${config.appName}-snapshot`, {
+      dbInstanceIdentifier: dbInstanceIdentifier,
+      dbSnapshotIdentifier: `${config.appName}-snapshot-id`,
+      tags: config.tags,
+    });
+  },
+);
+
+const snapshotDb = snapshot.apply(snapshot => {
+  if (!snapshot) return;
+  return new DatabaseBuilder(`${config.appName}-snapshot-db`)
+    .withInstance({
+      applyImmediately: true,
+    })
+    .withVpc(vpc.vpc)
+    .withTags(config.tags)
+    .withSnapshot(snapshot.id)
+    .build();
+});
+
+export { vpc, defaultDb, kms, paramGroup, customDb, snapshot, snapshotDb };

tests/database/snapshot-db.test.ts

@@ -0,0 +1,41 @@
+import * as assert from 'node:assert';
+import { DatabaseTestContext } from './test-context';
+import { it } from 'node:test';
+
+export function testSnapshotDb(ctx: DatabaseTestContext) {
+  it('should create and properly configure encrypted snapshot copy', () => {
+    const snapshotDb = ctx.outputs.snapshotDb.value;
+    const snapshot = ctx.outputs.snapshot.value;
+
+    assert.ok(
+      snapshotDb.encryptedSnapshotCopy,
+      'Encrtyped snapshot copy should exist',
+    );
+
+    assert.strictEqual(
+      snapshotDb.encryptedSnapshotCopy.sourceDbSnapshotIdentifier,
+      snapshot.dbSnapshotArn,
+      'Encrtyped snapshot copy should have correct source db snapshot identifier',
+    );
+    assert.strictEqual(
+      snapshotDb.encryptedSnapshotCopy.targetDbSnapshotIdentifier,
+      `${snapshot.id}-encrypted-copy`,
+      'Encrtyped snapshot copy should have the correct target db snapshot identifier',
+    );
+    assert.strictEqual(
+      snapshotDb.encryptedSnapshotCopy.kmsKeyId,
+      snapshotDb.kmsKeyId,
+      'Encrtyped snapshot copy should have the correct ksm key id',
+    );
+  });
+
+  it('should properly configure instance', () => {
+    const snapshotDb = ctx.outputs.snapshotDb.value;
+
+    assert.strictEqual(
+      snapshotDb.instance.dbSnapshotIdentifier,
+      snapshotDb.encryptedSnapshotCopy.targetDbSnapshotIdentifier,
+      'Db snapshot identifier should be set correctly',
+    );
+  });
+}

tests/database/utils/cleanup-snapshots.ts

@@ -8,7 +8,11 @@ import { DatabaseTestContext } from '../test-context';
 export async function cleanupSnapshots(ctx: DatabaseTestContext) {
   const spinner = createSpinner('Deleting snapshots...').start();
 
-  const dbs = [ctx.outputs.defaultDb.value, ctx.outputs.customDb.value];
+  const dbs = [
+    ctx.outputs.defaultDb.value,
+    ctx.outputs.customDb.value,
+    ctx.outputs.snapshotDb.value,
+  ];
   await Promise.all(
     dbs.map(db => deleteSnapshot(ctx, db.instance.dbInstanceIdentifier)),
   );