React/Jest tests for MemoryModal.js

src/tests/Modal_tests/MemoryModal.test.js

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+import React from 'react';
+import { render, screen, fireEvent } from '@testing-library/react';
+import '@testing-library/jest-dom';
+import MemoryModal from '../../components/ModalWindows/MemoryModal';
+import { useGlobalState } from '../../GlobalStateProvider';
+
+const mockFieldType = {
+  select: 'select',
+  number: 'number',
+};
+
+jest.mock('../../components/ModalWindows/ModalWindow', () => ({ title, closeModal, fields, onSubmit }) => (
+  <div data-testid="modal">
+    <h1>{title}</h1>
+    <button onClick={closeModal}>Close</button>
+    {fields.map((field) => (
+      <div key={field.id}>
+        <label>{field.text}</label>
+        {field.fieldType === mockFieldType.select ? (
+          <select value={field.value} aria-label={field.text}>
+            {field.values.map((option, index) => (
+              <option key={index} value={option}>
+                {option}
+              </option>
+            ))}
+          </select>
+        ) : (
+          <input
+            type="number"
+            value={field.value}
+            aria-label={field.text}
+            readOnly
+          />
+        )}
+      </div>
+    ))}
+    <button onClick={onSubmit}>Submit</button>
+  </div>
+));
+
+jest.mock('../../GlobalStateProvider', () => ({
+  useGlobalState: () => ({
+    GetOptions: jest.fn((type) => {
+      switch (type) {
+        case 'Peripherals_Usage':
+          return ['Low', 'Medium', 'High'];
+        case 'Memory_Type':
+          return ['DDR4', 'DDR3', 'DDR2'];
+        default:
+          return [];
+      }
+    }),
+  }),
+}));
+
+const mockCloseModal = jest.fn();
+const mockOnSubmit = jest.fn();
+
+const mockDefaultValue = {
+  name: 'Memory Component 1',
+  usage: 'Medium',
+  memory_type: 'DDR4',
+  data_rate: 3200,
+  width: 64,
+};
+
+describe('MemoryModal Component', () => {
+  beforeEach(() => {
+    render(
+      <MemoryModal
+        closeModal={mockCloseModal}
+        onSubmit={mockOnSubmit}
+        defaultValue={mockDefaultValue}
+      />
+    );
+  });
+
+  it('renders the modal window with correct title', () => {
+    expect(screen.getByText('Memory Component 1')).toBeInTheDocument();
+  });
+
+  it('renders the data rate input field with correct default value', () => {
+    const dataRateInput = screen.getByLabelText('Data Rate');
+    expect(dataRateInput).toHaveValue(3200);
+  });
+
+  it('renders the width input field with correct default value', () => {
+    const widthInput = screen.getByLabelText('Width');
+    expect(widthInput).toHaveValue(64);
+  });
+
+  it('calls closeModal when the modal is closed', () => {
+    const closeButton = screen.getByText('Close');
+    fireEvent.click(closeButton);
+    expect(mockCloseModal).toHaveBeenCalled();
+  });
+
+  it('calls onSubmit when the form is submitted', () => {
+    const submitButton = screen.getByText('Submit');
+    fireEvent.click(submitButton);
+    expect(mockOnSubmit).toHaveBeenCalled();
+  });
+
+  it('renders the modal window', () => {
+    const modal = screen.getByTestId('modal');
+    expect(modal).toBeInTheDocument();
+  });
+});