test: update unit test in untp playground

packages/untp-playground/__tests__/components/CredentialUploader.test.tsx

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+// packages/untp-playground/src/components/CredentialUploader.test.tsx
+import '@testing-library/jest-dom';
+import React, { act } from 'react';
+import { render, screen, fireEvent, waitFor } from '@testing-library/react';
+
+import { CredentialUploader } from '@/components/CredentialUploader';
+import { toast } from 'sonner';
+
+// Mock the toast library
+jest.mock('sonner', () => ({
+  toast: {
+    error: jest.fn(),
+  },
+}));
+
+describe('CredentialUploader component', () => {
+  const mockOnCredentialUpload = jest.fn();
+
+  beforeEach(() => {
+    jest.clearAllMocks();
+    jest.resetAllMocks();
+    JSON.parse = JSON.parse;
+  });
+
+  it('renders the CredentialUploader component', () => {
+    render(<CredentialUploader onCredentialUpload={mockOnCredentialUpload} />);
+    const dropzoneElement = screen.getByText(/drag and drop credentials here/i);
+    expect(dropzoneElement).toBeInTheDocument();
+  });
+
+  it('calls onCredentialUpload with valid JSON file', async () => {
+    const returnValue = {
+      key: 'value',
+    };
+
+    render(<CredentialUploader onCredentialUpload={mockOnCredentialUpload} />);
+    const inputElement = screen.getByRole('presentation').querySelector('input[type="file"]');
+
+    const validJsonFile = new File([JSON.stringify(returnValue)], 'valid.json', {
+      type: 'application/json',
+    });
+
+    await act(async () => {
+      fireEvent.change(inputElement as Element, { target: { files: [validJsonFile] } });
+      await new Promise((resolve) => setTimeout(resolve, 0));
+    });
+
+    await waitFor(async () => {
+      expect(mockOnCredentialUpload).toHaveBeenCalledWith(returnValue);
+    });
+  });
+
+  it('displays an error for invalid JSON content', async () => {
+    // JSON.parse = jest.fn().mockRejectedValue(new Error('Invalid JSON'));
+    render(<CredentialUploader onCredentialUpload={mockOnCredentialUpload} />);
+    const inputElement = screen.getByRole('presentation').querySelector('input[type="file"]');
+
+    const invalidJsonFile = new File(['invalid json'], 'invalid.json', {
+      type: 'application/json',
+    });
+
+    await act(async () => {
+      fireEvent.change(inputElement as Element, { target: { files: [invalidJsonFile] } });
+      await new Promise((resolve) => setTimeout(resolve, 0));
+    });
+
+    expect(toast.error).toHaveBeenCalledWith('Invalid format - File must contain valid JSON');
+  });
+
+  it('displays an error for invalid file types', async () => {
+    render(<CredentialUploader onCredentialUpload={mockOnCredentialUpload} />);
+    // Find the input element of type file
+    const inputElement = screen.getByRole('presentation').querySelector('input[type="file"]');
+    const invalidFile = new File(['content'], 'invalid.pdf', { type: 'application/pdf' });
+
+    await act(async () => {
+      fireEvent.change(inputElement as Element, { target: { files: [invalidFile] } });
+      await new Promise((resolve) => setTimeout(resolve, 0));
+    });
+    expect(toast.error).toHaveBeenCalledWith('Invalid file format. Please upload only .json, .jwt, or .txt files.');
+  });
+
+  it('displays an error for invalid JWT content', async () => {
+    render(<CredentialUploader onCredentialUpload={mockOnCredentialUpload} />);
+    const inputElement = screen.getByRole('presentation').querySelector('input[type="file"]');
+
+    const invalidJwtFile = new File(['invalid jwt'], 'invalid.jwt', {
+      type: 'text/plain',
+    });
+
+    await act(async () => {
+      fireEvent.change(inputElement as Element, { target: { files: [invalidJwtFile] } });
+      //   await new Promise((resolve) => setTimeout(resolve, 0));
+    });
+
+    await waitFor(async () => {
+      expect(toast.error).toHaveBeenCalledWith(
+        'Invalid JWT format - Please provide a file containing a valid JWT token',
+      );
+    });
+  });
+
+  it('shows generic error when credential processing fails', async () => {
+    // Mock onCredentialUpload to throw an error
+    const mockOnCredentialUpload = jest.fn().mockImplementation(() => {
+      throw new Error('Some unexpected error');
+    });
+    render(<CredentialUploader onCredentialUpload={mockOnCredentialUpload} />);
+
+    const inputElement = screen.getByRole('presentation').querySelector('input[type="file"]');
+
+    const validJSON = JSON.stringify({ key: 'value' });
+    const file = new File([validJSON], 'test.json', { type: 'application/json' });
+
+    await act(async () => {
+      fireEvent.change(inputElement as Element, { target: { files: [file] } });
+      await new Promise((resolve) => setTimeout(resolve, 0));
+    });
+
+    await waitFor(() => {
+      expect(toast.error).toHaveBeenCalledWith(
+        'Failed to process credential - Please ensure the file contains valid data',
+      );
+    });
+  });
+});

packages/untp-playground/__tests__/components/DownloadCredential.test.tsx

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+import React, { act } from 'react';
+import { render, screen, fireEvent, waitFor } from '@testing-library/react';
+import { DownloadCredential } from '@/components/DownloadCredential';
+
+// Mock the fetch function
+global.fetch = jest.fn();
+// Mock URL.createObjectURL and URL.revokeObjectURL
+global.URL.createObjectURL = jest.fn();
+global.URL.revokeObjectURL = jest.fn();
+
+describe('DownloadCredential', () => {
+  // Reset all mocks before each test
+  beforeEach(() => {
+    jest.clearAllMocks();
+    // Mock successful response
+    (global.fetch as jest.Mock).mockResolvedValue({
+      json: () => Promise.resolve({ test: 'data' }),
+    });
+    (global.URL.createObjectURL as jest.Mock).mockReturnValue('blob:test-url');
+  });
+
+  it('renders download button with correct text and icon', () => {
+    render(<DownloadCredential />);
+
+    const button = screen.getByRole('button', { name: /download test credential/i });
+    expect(button).toBeInTheDocument();
+    expect(button.querySelector('svg')).toBeInTheDocument();
+  });
+
+  it('handles download click successfully', async () => {
+    render(<DownloadCredential />);
+
+    await act(async () => {
+      const button = screen.getByRole('button');
+      await fireEvent.click(button);
+    });
+
+    await waitFor(() => {
+      // Check if fetch was called with correct path
+      expect(fetch).toHaveBeenCalledWith('/credentials/dpp.json');
+
+      // Verify Blob creation
+      expect(window.URL.createObjectURL).toHaveBeenCalled();
+      const blobCall = (window.URL.createObjectURL as jest.Mock).mock.calls[0][0];
+      expect(blobCall instanceof Blob).toBeTruthy();
+      expect(blobCall.type).toBe('application/json');
+
+      // Verify cleanup
+      expect(window.URL.revokeObjectURL).toHaveBeenCalledWith('blob:test-url');
+    });
+  });
+
+  it('handles download error gracefully', async () => {
+    // Mock console.log to verify error logging
+    const consoleSpy = jest.spyOn(console, 'log').mockImplementation();
+
+    // Mock fetch to reject
+    (global.fetch as jest.Mock).mockRejectedValue(new Error('Download failed'));
+
+    render(<DownloadCredential />);
+
+    const button = screen.getByRole('button');
+    await fireEvent.click(button);
+
+    expect(consoleSpy).toHaveBeenCalledWith('Error downloading credential:', expect.any(Error));
+  });
+});

packages/untp-playground/__tests__/components/ErrorDialog.test.tsx

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+/**
+ * @jest-environment jsdom
+ */
+
+import React from 'react';
+import { render, screen, fireEvent } from '@testing-library/react';
+import { ErrorDialog } from '@/components/ErrorDialog';
+
+// Mock clipboard API
+Object.assign(navigator, {
+  clipboard: {
+    writeText: jest.fn(),
+  },
+});
+
+describe('ErrorDialog', () => {
+  beforeEach(() => {
+    jest.clearAllMocks();
+  });
+
+  it('returns null when no errors are provided', () => {
+    const { container } = render(<ErrorDialog errors={[]} />);
+    expect(container.firstChild).toBeNull();
+  });
+
+  it('returns null when errors is not an array', () => {
+    // @ts-ignore - Testing invalid input
+    const { container } = render(<ErrorDialog errors={{}} />);
+    expect(container.firstChild).toBeNull();
+  });
+
+  it('displays validation errors correctly', () => {
+    const errors = [
+      {
+        keyword: 'type',
+        instancePath: '/data/field1',
+        params: { type: 'string' },
+      },
+      {
+        keyword: 'required',
+        instancePath: '/data',
+        params: { missingProperty: 'requiredField' },
+      },
+    ] as any;
+
+    render(<ErrorDialog errors={errors} />);
+
+    // Check if error count is displayed
+    expect(screen.getByText(/we found 2 issues/i)).toBeInTheDocument();
+
+    // Check if error locations are displayed
+    expect(screen.getByText(/data → field1/i)).toBeInTheDocument();
+    expect(screen.getByText(/wrong type/i)).toBeInTheDocument();
+    expect(screen.getByText(/missing field/i)).toBeInTheDocument();
+  });
+
+  it('displays warnings for additional properties', () => {
+    const errors = [
+      {
+        keyword: 'additionalProperties',
+        instancePath: '',
+        params: { additionalProperty: 'extraField' },
+      },
+    ] as any;
+
+    render(<ErrorDialog errors={errors} />);
+
+    expect(screen.getByText(/1 warning/i)).toBeInTheDocument();
+    expect(screen.getByText(/additional property: "extraField"/i)).toBeInTheDocument();
+  });
+
+  it('handles expandable error details', async () => {
+    const errors = [
+      {
+        keyword: 'enum',
+        instancePath: '/data/status',
+        params: { allowedValues: ['active', 'inactive'] },
+      },
+    ] as any;
+
+    render(<ErrorDialog errors={errors} />);
+
+    // Click to expand error details
+    const button = screen.getByRole('button', { name: /choose from allowed values/i });
+    fireEvent.click(button);
+
+    // Check if expanded content is visible
+    expect(screen.getByText(/must be one of:/i)).toBeInTheDocument();
+    expect(screen.getByText(/active, inactive/i)).toBeInTheDocument();
+  });
+
+  it('handles copy functionality', async () => {
+    const errors = [
+      {
+        keyword: 'const',
+        instancePath: '/data/type',
+        params: { allowedValue: 'user' },
+      },
+    ] as any;
+
+    render(<ErrorDialog errors={errors} />);
+
+    // Expand the error details
+    const expandButton = screen.getByRole('button', { name: /use the correct value/i });
+    fireEvent.click(expandButton);
+
+    // Click copy button
+    const copyButton = screen.getByRole('button', { name: /copy/i });
+    fireEvent.click(copyButton);
+
+    // Verify clipboard API was called
+    expect(navigator.clipboard.writeText).toHaveBeenCalledWith('"user"');
+
+    // Verify "Copied!" text appears
+    expect(screen.getByText(/copied!/i)).toBeInTheDocument();
+  });
+
+  it('displays correct tips based on error type', () => {
+    const errors = [
+      {
+        keyword: 'const',
+        instancePath: '/data/type',
+        params: { allowedValue: 'user' },
+      },
+    ] as any;
+
+    render(<ErrorDialog errors={errors} />);
+
+    // Expand the error details
+    const expandButton = screen.getByRole('button', { name: /use the correct value/i });
+    fireEvent.click(expandButton);
+
+    // Verify tip content
+    expect(screen.getByText(/this value must match exactly as shown above/i)).toBeInTheDocument();
+  });
+
+  it('groups multiple errors for the same path', () => {
+    const errors = [
+      {
+        keyword: 'type',
+        instancePath: '/data/field1',
+        params: { type: 'string' },
+      },
+      {
+        keyword: 'minLength',
+        instancePath: '/data/field1',
+        params: { limit: 3 },
+      },
+    ] as any;
+
+    render(<ErrorDialog errors={errors} />);
+
+    // Should show only one group for '/data/field1'
+    expect(screen.getByText(/we found 1 issue/i)).toBeInTheDocument();
+    expect(screen.getByText(/data → field1/i)).toBeInTheDocument();
+  });
+
+  it('applies custom className when provided', () => {
+    const errors = [
+      {
+        keyword: 'type',
+        instancePath: '/data/field1',
+        params: { type: 'string' },
+      },
+    ] as any;
+
+    const { container } = render(<ErrorDialog errors={errors} className='custom-class' />);
+    expect(container.firstChild).toHaveClass('custom-class');
+  });
+});