feat(Snowflake Node): Add support for Key-Pair authentication (#14833)

packages/nodes-base/nodes/Snowflake/__tests__/GenericFunctions.test.ts

@@ -0,0 +1,43 @@
+import { getConnectionOptions } from '../GenericFunctions';
+
+describe('getConnectionOptions', () => {
+	const commonOptions = {
+		account: 'test-account',
+		database: 'test-database',
+		schema: 'test-schema',
+		warehouse: 'test-warehouse',
+		role: 'test-role',
+		clientSessionKeepAlive: true,
+	};
+
+	describe('should return connection options', () => {
+		it('with username and password for password authentication', () => {
+			const result = getConnectionOptions({
+				...commonOptions,
+				authentication: 'password',
+				username: 'test-username',
+				password: 'test-password',
+			});
+
+			expect(result).toEqual({
+				...commonOptions,
+				username: 'test-username',
+				password: 'test-password',
+			});
+		});
+
+		it('with private key for keyPair authentication', () => {
+			const result = getConnectionOptions({
+				...commonOptions,
+				authentication: 'keyPair',
+				privateKey: 'test-private-key',
+			});
+
+			expect(result).toEqual({
+				...commonOptions,
+				authenticator: 'SNOWFLAKE_JWT',
+				privateKey: 'test-private-key',
+			});
+		});
+	});
+});