test: add snapshot tests for CoreMethods readme component

packages/components/test/components/CoreMethods.test.js

@@ -0,0 +1,20 @@
+import { render } from '@asyncapi/generator-react-sdk';
+import { CoreMethods } from '../../src/components/readme/CoreMethods';
+
+describe('CoreMethods component', () => {
+  test('renders core methods for javascript', () => {
+    const result = render(<CoreMethods language="javascript" />);
+    expect(result.trim()).toMatchSnapshot();
+  });
+
+  test('renders core methods for python', () => {
+    const result = render(<CoreMethods language="python" />);
+    expect(result.trim()).toMatchSnapshot();
+  });
+
+  test('throws error for unsupported or missing language', () => {
+    expect(() => {
+      render(<CoreMethods />);
+    }).toThrow('Unsupported language');
+  });
+});

packages/components/test/components/__snapshots__/CoreMethods.test.js.snap

@@ -0,0 +1,33 @@
+// Jest Snapshot v1, https://goo.gl/fbAQLP
+
+exports[`CoreMethods component renders core methods for javascript 1`] = `
+"## API
+
+### \`connect()\`
+Establishes a WebSocket connection.
+
+### \`registerMessageHandler(handlerFunction)\`
+Registers a callback for incoming messages.
+
+### \`registerErrorHandler(handlerFunction)\`
+Registers a callback for connection errors.
+
+### \`close()\`
+Closes the WebSocket connection."
+`;
+
+exports[`CoreMethods component renders core methods for python 1`] = `
+"## API
+
+### \`connect()\`
+Establishes a WebSocket connection.
+
+### \`register_message_handler(handler_function)\`
+Registers a callback for incoming messages.
+
+### \`register_error_handler(handler_function)\`
+Registers a callback for connection errors.
+
+### \`close()\`
+Closes the WebSocket connection."
+`;