diff --git a/test/pages/robot/Robot.test.tsx b/test/pages/robot/Robot.test.tsx
new file mode 100644
index 0000000..bcebac8
--- /dev/null
+++ b/test/pages/robot/Robot.test.tsx
@@ -0,0 +1,167 @@
+import { render, screen, act, cleanup, fireEvent } from '@testing-library/react';
+import Robot from '../../../src/pages/Robot/Robot';
+
+// Mock EventSource
+const mockInstances: MockEventSource[] = [];
+class MockEventSource {
+  url: string;
+  onmessage: ((event: MessageEvent) => void) | null = null;
+  closed = false;
+
+  constructor(url: string) {
+    this.url = url;
+    mockInstances.push(this);
+  }
+
+  sendMessage(data: string) {
+    this.onmessage?.({ data } as MessageEvent);
+  }
+
+  close() {
+    this.closed = true;
+  }
+}
+
+// Mock global EventSource
+beforeAll(() => {
+  (globalThis as any).EventSource = jest.fn((url: string) => new MockEventSource(url));
+});
+
+// Mock fetch
+beforeEach(() => {
+  globalThis.fetch = jest.fn(() =>
+    Promise.resolve({
+      json: () => Promise.resolve({ reply: 'ok' }),
+    })
+  ) as jest.Mock;
+});
+
+// Cleanup
+afterEach(() => {
+  cleanup();
+  jest.restoreAllMocks();
+  mockInstances.length = 0;
+});
+
+describe('Robot', () => {
+  test('renders initial state', () => {
+    render(<Robot />);
+    expect(screen.getByText('Robot interaction')).toBeInTheDocument();
+    expect(screen.getByText('Force robot speech')).toBeInTheDocument();
+    expect(screen.getByText('Listening 🔴')).toBeInTheDocument();
+    expect(screen.getByPlaceholderText('Enter a message')).toBeInTheDocument();
+  });
+
+  test('sends message via button', async () => {
+    render(<Robot />);
+    const input = screen.getByPlaceholderText('Enter a message');
+    const button = screen.getByText('Speak');
+
+    fireEvent.change(input, { target: { value: 'Hello' } });
+    await act(async () => fireEvent.click(button));
+
+    expect(globalThis.fetch).toHaveBeenCalledWith(
+      'http://localhost:8000/message',
+      expect.objectContaining({
+        method: 'POST',
+        headers: { 'Content-Type': 'application/json' },
+        body: JSON.stringify({ message: 'Hello' }),
+      })
+    );
+  });
+
+  test('sends message via Enter key', async () => {
+    render(<Robot />);
+    const input = screen.getByPlaceholderText('Enter a message');
+    fireEvent.change(input, { target: { value: 'Hi Enter' } });
+
+    await act(async () =>
+      fireEvent.keyDown(input, { key: 'Enter', code: 'Enter', charCode: 13 })
+    );
+
+    expect(globalThis.fetch).toHaveBeenCalledWith(
+      'http://localhost:8000/message',
+      expect.objectContaining({
+        method: 'POST',
+        headers: { 'Content-Type': 'application/json' },
+        body: JSON.stringify({ message: 'Hi Enter' }),
+      })
+    );
+    expect((input as HTMLInputElement).value).toBe('');
+  });
+
+  test('handles fetch errors', async () => {
+    globalThis.fetch = jest.fn(() => Promise.reject('Network error')) as jest.Mock;
+    const consoleSpy = jest.spyOn(console, 'error').mockImplementation(() => {});
+
+    render(<Robot />);
+    const input = screen.getByPlaceholderText('Enter a message');
+    const button = screen.getByText('Speak');
+    fireEvent.change(input, { target: { value: 'Error test' } });
+
+    await act(async () => fireEvent.click(button));
+
+    expect(consoleSpy).toHaveBeenCalledWith(
+      'Error sending message: ',
+      'Network error'
+    );
+  });
+
+  test('updates conversation on SSE', async () => {
+    render(<Robot />);
+    const eventSource = mockInstances[0];
+
+    await act(async () => {
+      eventSource.sendMessage(JSON.stringify({ voice_active: true }));
+      eventSource.sendMessage(JSON.stringify({ speech: 'User says hi' }));
+      eventSource.sendMessage(JSON.stringify({ llm_response: 'Assistant replies' }));
+    });
+
+    expect(screen.getByText('Listening 🟢')).toBeInTheDocument();
+    expect(screen.getByText('User says hi')).toBeInTheDocument();
+    expect(screen.getByText('Assistant replies')).toBeInTheDocument();
+  });
+
+  test('handles invalid SSE JSON', async () => {
+    const logSpy = jest.spyOn(console, 'log').mockImplementation(() => {});
+    render(<Robot />);
+    const eventSource = mockInstances[0];
+
+    await act(async () => eventSource.sendMessage('bad-json'));
+
+    expect(logSpy).toHaveBeenCalledWith('Unparsable SSE message:', 'bad-json');
+  });
+
+  test('resets conversation with Reset button', async () => {
+    render(<Robot />);
+    const eventSource = mockInstances[0];
+
+    await act(async () =>
+      eventSource.sendMessage(JSON.stringify({ speech: 'Hello' }))
+    );
+    expect(screen.getByText('Hello')).toBeInTheDocument();
+
+    fireEvent.click(screen.getByText('Reset'));
+    expect(screen.queryByText('Hello')).not.toBeInTheDocument();
+  });
+
+  test('toggles conversationIndex with Stop/Start button', () => {
+    render(<Robot />);
+    const stopButton = screen.getByText('Stop');
+    fireEvent.click(stopButton);
+    expect(screen.getByText('Start')).toBeInTheDocument();
+
+    fireEvent.click(screen.getByText('Start'));
+    expect(screen.getByText('Stop')).toBeInTheDocument();
+  });
+
+  test('closes EventSource on unmount', () => {
+    const { unmount } = render(<Robot />);
+    const eventSource = mockInstances[0];
+    const closeSpy = jest.spyOn(eventSource, 'close');
+
+    unmount();
+    expect(closeSpy).toHaveBeenCalled();
+    expect(eventSource.closed).toBe(true);
+  });
+});
diff --git a/test/pages/visProgPage/visualProgrammingUI/nodes/StartNode.test.tsx b/test/pages/visProgPage/visualProgrammingUI/nodes/StartNode.test.tsx
new file mode 100644
index 0000000..3754202
--- /dev/null
+++ b/test/pages/visProgPage/visualProgrammingUI/nodes/StartNode.test.tsx
@@ -0,0 +1,100 @@
+import { describe, it, beforeEach } from '@jest/globals';
+import { screen } from '@testing-library/react';
+import { renderWithProviders, resetFlowStore } from '../.././/./../../test-utils/test-utils';
+import StartNode, { StartReduce, StartConnects } from '../../../../../src/pages/VisProgPage/visualProgrammingUI/nodes/StartNode';
+import type { Node } from '@xyflow/react';
+import '@testing-library/jest-dom';
+
+describe('StartNode', () => {
+
+  beforeEach(() => {
+    resetFlowStore();
+  });
+
+  describe('Rendering', () => {
+    it('renders the StartNode correctly', () => {
+      const mockNode: Node = {
+        id: 'start-1',
+        type: 'start', // TypeScript now knows this is a string
+        position: { x: 0, y: 0 },
+        data: {
+          label: 'Start Node',
+          droppable: false,
+          hasReduce: true,
+        },
+      };
+
+      renderWithProviders(
+        <StartNode
+            id={mockNode.id}
+            type={mockNode.type!} // <--- fix here
+            data={mockNode.data as any}
+            selected={false}
+            isConnectable={true}
+            zIndex={0}
+            dragging={false}
+            selectable={true}
+            deletable={false}
+            draggable={true}
+            positionAbsoluteX={0}
+            positionAbsoluteY={0}
+        />
+        );
+
+
+        expect(screen.getByText('Start')).toBeInTheDocument();
+
+        // The handle should exist in the DOM
+        expect(document.querySelector('[data-handleid="source"]')).toBeInTheDocument();
+
+    });
+  });
+
+  describe('StartReduce Function', () => {
+    it('reduces the StartNode to its minimal structure', () => {
+      const mockNode: Node = {
+        id: 'start-1',
+        type: 'start',
+        position: { x: 0, y: 0 },
+        data: {
+          label: 'Start Node',
+          droppable: false,
+          hasReduce: true,
+        },
+      };
+
+      const result = StartReduce(mockNode, [mockNode]);
+      expect(result).toEqual({ id: 'start-1' });
+    });
+  });
+
+  describe('StartConnects Function', () => {
+    it('handles connections without throwing', () => {
+      const startNode: Node = {
+        id: 'start-1',
+        type: 'start',
+        position: { x: 0, y: 0 },
+        data: {
+          label: 'Start Node',
+          droppable: false,
+          hasReduce: true,
+        },
+      };
+
+      const otherNode: Node = {
+        id: 'norm-1',
+        type: 'norm',
+        position: { x: 100, y: 0 },
+        data: {
+          label: 'Norm Node',
+          droppable: true,
+          norm: 'test',
+          hasReduce: true,
+        },
+      };
+
+      expect(() => StartConnects(startNode, otherNode, true)).not.toThrow();
+      expect(() => StartConnects(startNode, otherNode, false)).not.toThrow();
+    });
+  });
+});
diff --git a/test/pages/visProgPage/visualProgrammingUI/nodes/TriggerNode.test.tsx b/test/pages/visProgPage/visualProgrammingUI/nodes/TriggerNode.test.tsx
new file mode 100644
index 0000000..a7c5437
--- /dev/null
+++ b/test/pages/visProgPage/visualProgrammingUI/nodes/TriggerNode.test.tsx
@@ -0,0 +1,244 @@
+import { describe, it, beforeEach } from '@jest/globals';
+import { screen, waitFor } from '@testing-library/react';
+import userEvent from '@testing-library/user-event';
+import { renderWithProviders, resetFlowStore } from '../.././/./../../test-utils/test-utils';
+import TriggerNode, { TriggerReduce, TriggerConnects, TriggerNodeCanConnect, type TriggerNodeData } from '../../../../../src/pages/VisProgPage/visualProgrammingUI/nodes/TriggerNode';
+import useFlowStore from '../../../../../src/pages/VisProgPage/visualProgrammingUI/VisProgStores';
+import type { Node } from '@xyflow/react';
+import '@testing-library/jest-dom';
+
+describe('TriggerNode', () => {
+  let user: ReturnType<typeof userEvent.setup>;
+
+  beforeEach(() => {
+    resetFlowStore();
+    user = userEvent.setup();
+  });
+
+  describe('Rendering', () => {
+    it('should render TriggerNode with keywords type', () => {
+      const mockNode: Node<TriggerNodeData> = {
+        id: 'trigger-1',
+        type: 'trigger',
+        position: { x: 0, y: 0 },
+        data: {
+          label: 'Keyword Trigger',
+          droppable: true,
+          triggerType: 'keywords',
+          triggers: [],
+          hasReduce: true,
+        },
+      };
+
+      renderWithProviders(
+        <TriggerNode
+          id={mockNode.id}
+          type={mockNode.type as string}
+          data={mockNode.data as any}
+          selected={false}
+          isConnectable={true}
+          zIndex={0}
+          dragging={false}
+          selectable={true}
+          deletable={true}
+          draggable={true}
+          positionAbsoluteX={0}
+          positionAbsoluteY={0}
+        />
+      );
+
+      expect(screen.getByText(/Triggers when the keyword is spoken/i)).toBeInTheDocument();
+      expect(screen.getByPlaceholderText('...')).toBeInTheDocument();
+    });
+
+    it('should render TriggerNode with emotion type', () => {
+      const mockNode: Node<TriggerNodeData> = {
+        id: 'trigger-2',
+        type: 'trigger',
+        position: { x: 0, y: 0 },
+        data: {
+          label: 'Emotion Trigger',
+          droppable: true,
+          triggerType: 'emotion',
+          triggers: [],
+          hasReduce: true,
+        },
+      };
+
+      renderWithProviders(
+        <TriggerNode
+          id={mockNode.id}
+          type={mockNode.type as string}
+          data={mockNode.data as any}
+          selected={false}
+          isConnectable={true}
+          zIndex={0}
+          dragging={false}
+          selectable={true}
+          deletable={true}
+          draggable={true}
+          positionAbsoluteX={0}
+          positionAbsoluteY={0}
+        />
+      );
+
+      expect(screen.getByText(/Emotion\?/i)).toBeInTheDocument();
+    });
+  });
+
+  describe('User Interactions', () => {
+    it('should add a new keyword', async () => {
+      const mockNode: Node<TriggerNodeData> = {
+        id: 'trigger-1',
+        type: 'trigger',
+        position: { x: 0, y: 0 },
+        data: {
+          label: 'Keyword Trigger',
+          droppable: true,
+          triggerType: 'keywords',
+          triggers: [],
+          hasReduce: true,
+        },
+      };
+
+      useFlowStore.setState({ nodes: [mockNode], edges: [] });
+
+      renderWithProviders(
+        <TriggerNode
+          id={mockNode.id}
+          type={mockNode.type as string}
+          data={mockNode.data as any}
+          selected={false}
+          isConnectable={true}
+          zIndex={0}
+          dragging={false}
+          selectable={true}
+          deletable={true}
+          draggable={true}
+          positionAbsoluteX={0}
+          positionAbsoluteY={0}
+        />
+      );
+
+      const input = screen.getByPlaceholderText('...');
+      await user.type(input, 'hello{enter}');
+
+      await waitFor(() => {
+        const node = useFlowStore.getState().nodes.find(n => n.id === 'trigger-1') as Node<TriggerNodeData> | undefined;
+        expect(node?.data.triggers.length).toBe(1);
+        expect(node?.data.triggers[0].keyword).toBe('hello');
+      });
+
+    });
+
+    it('should remove a keyword when cleared', async () => {
+      const mockNode: Node<TriggerNodeData> = {
+        id: 'trigger-1',
+        type: 'trigger',
+        position: { x: 0, y: 0 },
+        data: {
+          label: 'Keyword Trigger',
+          droppable: true,
+          triggerType: 'keywords',
+          triggers: [{ id: 'kw1', keyword: 'hello' }],
+          hasReduce: true,
+        },
+      };
+
+      useFlowStore.setState({ nodes: [mockNode], edges: [] });
+
+      renderWithProviders(
+        <TriggerNode
+          id={mockNode.id}
+          type={mockNode.type as string}
+          data={mockNode.data as any}
+          selected={false}
+          isConnectable={true}
+          zIndex={0}
+          dragging={false}
+          selectable={true}
+          deletable={true}
+          draggable={true}
+          positionAbsoluteX={0}
+          positionAbsoluteY={0}
+        />
+      );
+
+      const input = screen.getByDisplayValue('hello');
+      for (let i = 0; i < 'hello'.length; i++) {
+        await user.type(input, '{backspace}');
+      }
+      await user.type(input, '{enter}');
+
+      await waitFor(() => {
+        const node = useFlowStore.getState().nodes.find(n => n.id === 'trigger-1') as Node<TriggerNodeData> | undefined;
+        expect(node?.data.triggers.length).toBe(0);
+        });
+
+    });
+  });
+
+  describe('TriggerReduce Function', () => {
+    it('should reduce a trigger node to its essential data', () => {
+      const triggerNode: Node = {
+        id: 'trigger-1',
+        type: 'trigger',
+        position: { x: 0, y: 0 },
+        data: {
+          label: 'Keyword Trigger',
+          droppable: true,
+          triggerType: 'keywords',
+          triggers: [{ id: 'kw1', keyword: 'hello' }],
+          hasReduce: true,
+        },
+      };
+
+      const allNodes: Node[] = [triggerNode];
+      const result = TriggerReduce(triggerNode, allNodes);
+
+      expect(result).toEqual({
+        label: 'Keyword Trigger',
+        list: [{ id: 'kw1', keyword: 'hello' }],
+      });
+    });
+  });
+
+  describe('TriggerConnects Function', () => {
+    it('should handle connection without errors', () => {
+      const node1: Node = {
+        id: 'trigger-1',
+        type: 'trigger',
+        position: { x: 0, y: 0 },
+        data: {
+          label: 'Trigger 1',
+          droppable: true,
+          triggerType: 'keywords',
+          triggers: [],
+          hasReduce: true,
+        },
+      };
+
+      const node2: Node = {
+        id: 'norm-1',
+        type: 'norm',
+        position: { x: 100, y: 0 },
+        data: {
+          label: 'Norm 1',
+          droppable: true,
+          norm: 'test',
+          hasReduce: true,
+        },
+      };
+
+      expect(() => {
+        TriggerConnects(node1, node2, true);
+        TriggerConnects(node1, node2, false);
+      }).not.toThrow();
+    });
+
+    it('should return true for TriggerNodeCanConnect if connection exists', () => {
+      const connection = { source: 'trigger-1', target: 'norm-1' };
+      expect(TriggerNodeCanConnect(connection as any)).toBe(true);
+    });
+  });
+});