2025-09-15 21:22:07 +05:30

511 lines
16 KiB
TypeScript
Raw Blame History

This file contains ambiguous Unicode characters

This file contains Unicode characters that might be confused with other characters. If you think that this is intentional, you can safely ignore this warning. Use the Escape button to reveal them.

/* eslint-disable react/jsx-props-no-spreading */
import { fireEvent, render, screen } from '@testing-library/react';
import LabelsInput from '../LabelsInput';
import { LabelsInputProps } from '../types';
// Mock the CloseOutlined icon
jest.mock('@ant-design/icons', () => ({
CloseOutlined: (): JSX.Element => <span data-testid="close-icon">×</span>,
}));
const mockOnLabelsChange = jest.fn();
const mockValidateLabelsKey = jest.fn().mockReturnValue(null);
const defaultProps: LabelsInputProps = {
labels: {},
onLabelsChange: mockOnLabelsChange,
validateLabelsKey: mockValidateLabelsKey,
};
const ADD_LABELS_TEXT = '+ Add labels';
const ENTER_KEY_PLACEHOLDER = 'Enter key';
const ENTER_VALUE_PLACEHOLDER = 'Enter value';
const CLOSE_ICON_TEST_ID = 'close-icon';
const SEVERITY_HIGH_TEXT = 'severity: high';
const ENVIRONMENT_PRODUCTION_TEXT = 'environment: production';
const SEVERITY_HIGH_KEY_VALUE = 'severity:high';
const renderLabelsInput = (
props: Partial<LabelsInputProps> = {},
): ReturnType<typeof render> =>
render(<LabelsInput {...defaultProps} {...props} />);
describe('LabelsInput', () => {
beforeEach(() => {
jest.clearAllMocks();
mockValidateLabelsKey.mockReturnValue(null); // Reset validation to always pass
});
describe('Initial Rendering', () => {
it('renders add button when no labels exist', () => {
renderLabelsInput();
expect(screen.getByText(ADD_LABELS_TEXT)).toBeInTheDocument();
expect(screen.queryByTestId(CLOSE_ICON_TEST_ID)).not.toBeInTheDocument();
});
it('renders existing labels when provided', () => {
const labels = { severity: 'high', environment: 'production' };
renderLabelsInput({ labels });
expect(screen.getByText(SEVERITY_HIGH_TEXT)).toBeInTheDocument();
expect(screen.getByText(ENVIRONMENT_PRODUCTION_TEXT)).toBeInTheDocument();
expect(screen.getAllByTestId(CLOSE_ICON_TEST_ID)).toHaveLength(2);
});
it('does not render existing labels section when no labels', () => {
renderLabelsInput();
expect(screen.queryByText(SEVERITY_HIGH_TEXT)).not.toBeInTheDocument();
});
});
describe('Adding Labels', () => {
it('shows input field when add button is clicked', () => {
renderLabelsInput();
fireEvent.click(screen.getByText(ADD_LABELS_TEXT));
expect(
screen.getByPlaceholderText(ENTER_KEY_PLACEHOLDER),
).toBeInTheDocument();
expect(screen.queryByText(ADD_LABELS_TEXT)).not.toBeInTheDocument();
});
it('switches from key input to value input on Enter', () => {
renderLabelsInput();
fireEvent.click(screen.getByText(ADD_LABELS_TEXT));
const input = screen.getByPlaceholderText(ENTER_KEY_PLACEHOLDER);
fireEvent.change(input, { target: { value: 'severity' } });
fireEvent.keyDown(input, { key: 'Enter' });
expect(
screen.getByPlaceholderText(ENTER_VALUE_PLACEHOLDER),
).toBeInTheDocument();
expect(
screen.queryByPlaceholderText(ENTER_KEY_PLACEHOLDER),
).not.toBeInTheDocument();
});
it('adds label when both key and value are provided', () => {
renderLabelsInput();
fireEvent.click(screen.getByText(ADD_LABELS_TEXT));
const input = screen.getByPlaceholderText(ENTER_KEY_PLACEHOLDER);
// Enter key
fireEvent.change(input, { target: { value: 'severity' } });
fireEvent.keyDown(input, { key: 'Enter' });
// Enter value
const valueInput = screen.getByPlaceholderText(ENTER_VALUE_PLACEHOLDER);
fireEvent.change(valueInput, { target: { value: 'high' } });
fireEvent.keyDown(valueInput, { key: 'Enter' });
expect(mockOnLabelsChange).toHaveBeenCalledWith({ severity: 'high' });
});
it('does not switch to value input if key is empty', () => {
renderLabelsInput();
fireEvent.click(screen.getByText(ADD_LABELS_TEXT));
const input = screen.getByPlaceholderText(ENTER_KEY_PLACEHOLDER);
fireEvent.keyDown(input, { key: 'Enter' });
expect(
screen.getByPlaceholderText(ENTER_KEY_PLACEHOLDER),
).toBeInTheDocument();
expect(
screen.queryByPlaceholderText(ENTER_VALUE_PLACEHOLDER),
).not.toBeInTheDocument();
});
it('does not add label if value is empty', () => {
renderLabelsInput();
fireEvent.click(screen.getByText(ADD_LABELS_TEXT));
const input = screen.getByPlaceholderText(ENTER_KEY_PLACEHOLDER);
// Enter key
fireEvent.change(input, { target: { value: 'severity' } });
fireEvent.keyDown(input, { key: 'Enter' });
// Try to add with empty value
const valueInput = screen.getByPlaceholderText(ENTER_VALUE_PLACEHOLDER);
fireEvent.keyDown(valueInput, { key: 'Enter' });
expect(mockOnLabelsChange).not.toHaveBeenCalled();
});
it('trims whitespace from key and value', () => {
renderLabelsInput();
fireEvent.click(screen.getByText(ADD_LABELS_TEXT));
const input = screen.getByPlaceholderText(ENTER_KEY_PLACEHOLDER);
// Enter key with whitespace
fireEvent.change(input, { target: { value: ' severity ' } });
fireEvent.keyDown(input, { key: 'Enter' });
// Enter value with whitespace
const valueInput = screen.getByPlaceholderText(ENTER_VALUE_PLACEHOLDER);
fireEvent.change(valueInput, { target: { value: ' high ' } });
fireEvent.keyDown(valueInput, { key: 'Enter' });
expect(mockOnLabelsChange).toHaveBeenCalledWith({ severity: 'high' });
});
it('resets input state after adding label', () => {
renderLabelsInput();
fireEvent.click(screen.getByText(ADD_LABELS_TEXT));
const input = screen.getByPlaceholderText(ENTER_KEY_PLACEHOLDER);
// Add a label
fireEvent.change(input, { target: { value: 'severity' } });
fireEvent.keyDown(input, { key: 'Enter' });
const valueInput = screen.getByPlaceholderText(ENTER_VALUE_PLACEHOLDER);
fireEvent.change(valueInput, { target: { value: 'high' } });
fireEvent.keyDown(valueInput, { key: 'Enter' });
// Should be back to key input
expect(
screen.getByPlaceholderText(ENTER_KEY_PLACEHOLDER),
).toBeInTheDocument();
expect(
screen.queryByPlaceholderText(ENTER_VALUE_PLACEHOLDER),
).not.toBeInTheDocument();
});
});
describe('Removing Labels', () => {
it('removes label when close button is clicked', () => {
const labels = { severity: 'high', environment: 'production' };
renderLabelsInput({ labels });
const removeButtons = screen.getAllByTestId(CLOSE_ICON_TEST_ID);
fireEvent.click(removeButtons[0]);
expect(mockOnLabelsChange).toHaveBeenCalledWith({
environment: 'production',
});
});
it('calls onLabelsChange with empty object when last label is removed', () => {
const labels = { severity: 'high' };
renderLabelsInput({ labels });
const removeButton = screen.getByTestId('close-icon');
fireEvent.click(removeButton);
expect(mockOnLabelsChange).toHaveBeenCalledWith({});
});
});
describe('Keyboard Interactions', () => {
it('cancels adding label on Escape key', () => {
renderLabelsInput();
fireEvent.click(screen.getByText(ADD_LABELS_TEXT));
const input = screen.getByPlaceholderText(ENTER_KEY_PLACEHOLDER);
fireEvent.keyDown(input, { key: 'Escape' });
expect(screen.getByText(ADD_LABELS_TEXT)).toBeInTheDocument();
expect(
screen.queryByPlaceholderText(ENTER_KEY_PLACEHOLDER),
).not.toBeInTheDocument();
});
it('cancels adding label on Escape key in value input', () => {
renderLabelsInput();
fireEvent.click(screen.getByText(ADD_LABELS_TEXT));
const input = screen.getByPlaceholderText(ENTER_KEY_PLACEHOLDER);
// Enter key
fireEvent.change(input, { target: { value: 'severity' } });
fireEvent.keyDown(input, { key: 'Enter' });
// Cancel in value input
const valueInput = screen.getByPlaceholderText(ENTER_VALUE_PLACEHOLDER);
fireEvent.keyDown(valueInput, { key: 'Escape' });
expect(screen.getByText(ADD_LABELS_TEXT)).toBeInTheDocument();
expect(
screen.queryByPlaceholderText(ENTER_VALUE_PLACEHOLDER),
).not.toBeInTheDocument();
});
});
describe('Blur Behavior', () => {
it('closes input immediately when both key and value are empty', () => {
renderLabelsInput();
fireEvent.click(screen.getByText(ADD_LABELS_TEXT));
const input = screen.getByPlaceholderText(ENTER_KEY_PLACEHOLDER);
fireEvent.blur(input);
// The input should close immediately when both key and value are empty
expect(screen.getByText(ADD_LABELS_TEXT)).toBeInTheDocument();
expect(
screen.queryByPlaceholderText(ENTER_KEY_PLACEHOLDER),
).not.toBeInTheDocument();
});
it('does not close input immediately when key has value', () => {
jest.useFakeTimers();
renderLabelsInput();
fireEvent.click(screen.getByText(ADD_LABELS_TEXT));
const input = screen.getByPlaceholderText(ENTER_KEY_PLACEHOLDER);
fireEvent.change(input, { target: { value: 'severity' } });
fireEvent.blur(input);
jest.advanceTimersByTime(200);
expect(
screen.getByPlaceholderText(ENTER_KEY_PLACEHOLDER),
).toBeInTheDocument();
expect(screen.queryByText(ADD_LABELS_TEXT)).not.toBeInTheDocument();
jest.useRealTimers();
});
});
describe('Input Change Handling', () => {
it('updates key input value correctly', () => {
renderLabelsInput();
fireEvent.click(screen.getByText(ADD_LABELS_TEXT));
const input = screen.getByPlaceholderText(ENTER_KEY_PLACEHOLDER);
fireEvent.change(input, { target: { value: 'severity' } });
expect(input).toHaveValue('severity');
});
it('updates value input correctly', () => {
renderLabelsInput();
fireEvent.click(screen.getByText(ADD_LABELS_TEXT));
const input = screen.getByPlaceholderText(ENTER_KEY_PLACEHOLDER);
// Enter key
fireEvent.change(input, { target: { value: 'severity' } });
fireEvent.keyDown(input, { key: 'Enter' });
// Update value
const valueInput = screen.getByPlaceholderText(ENTER_VALUE_PLACEHOLDER);
fireEvent.change(valueInput, { target: { value: 'high' } });
expect(valueInput).toHaveValue('high');
});
});
describe('Edge Cases', () => {
it('handles multiple labels correctly', () => {
const labels = {
severity: 'high',
environment: 'production',
service: 'api-gateway',
};
renderLabelsInput({ labels });
expect(screen.getByText(SEVERITY_HIGH_TEXT)).toBeInTheDocument();
expect(screen.getByText(ENVIRONMENT_PRODUCTION_TEXT)).toBeInTheDocument();
expect(screen.getByText('service: api-gateway')).toBeInTheDocument();
expect(screen.getAllByTestId(CLOSE_ICON_TEST_ID)).toHaveLength(3);
});
it('handles empty string values', () => {
const labels = { severity: '' };
renderLabelsInput({ labels });
expect(screen.getByText(/severity/)).toBeInTheDocument();
});
it('handles special characters in labels', () => {
const labels = { 'service-name': 'api-gateway-v1' };
renderLabelsInput({ labels });
expect(screen.getByText('service-name: api-gateway-v1')).toBeInTheDocument();
});
it('maintains focus on input after adding label', () => {
renderLabelsInput();
fireEvent.click(screen.getByText(ADD_LABELS_TEXT));
const input = screen.getByPlaceholderText(ENTER_KEY_PLACEHOLDER);
// Add a label
fireEvent.change(input, { target: { value: 'severity' } });
fireEvent.keyDown(input, { key: 'Enter' });
const valueInput = screen.getByPlaceholderText(ENTER_VALUE_PLACEHOLDER);
fireEvent.change(valueInput, { target: { value: 'high' } });
fireEvent.keyDown(valueInput, { key: 'Enter' });
// Should be focused on new key input
const newInput = screen.getByPlaceholderText(ENTER_KEY_PLACEHOLDER);
expect(newInput).toHaveFocus();
});
});
describe('Key:Value Format Support', () => {
it('adds label when key:value format is entered and Enter is pressed', () => {
renderLabelsInput();
fireEvent.click(screen.getByText(ADD_LABELS_TEXT));
const input = screen.getByPlaceholderText(ENTER_KEY_PLACEHOLDER);
// Enter key:value format
fireEvent.change(input, { target: { value: SEVERITY_HIGH_KEY_VALUE } });
fireEvent.keyDown(input, { key: 'Enter' });
expect(mockOnLabelsChange).toHaveBeenCalledWith({ severity: 'high' });
});
it('trims whitespace from key and value in key:value format', () => {
renderLabelsInput();
fireEvent.click(screen.getByText(ADD_LABELS_TEXT));
const input = screen.getByPlaceholderText(ENTER_KEY_PLACEHOLDER);
// Enter key:value format with whitespace
fireEvent.change(input, { target: { value: ' severity : high ' } });
fireEvent.keyDown(input, { key: 'Enter' });
expect(mockOnLabelsChange).toHaveBeenCalledWith({ severity: 'high' });
});
it('handles values with colons correctly', () => {
renderLabelsInput();
fireEvent.click(screen.getByText(ADD_LABELS_TEXT));
const input = screen.getByPlaceholderText(ENTER_KEY_PLACEHOLDER);
// Enter key:value format where value contains colons
fireEvent.change(input, {
target: { value: 'url:https://example.com:8080' },
});
fireEvent.keyDown(input, { key: 'Enter' });
expect(mockOnLabelsChange).toHaveBeenCalledWith({
url: 'https://example.com:8080',
});
});
it('does not add label if key is empty in key:value format', () => {
renderLabelsInput();
fireEvent.click(screen.getByText(ADD_LABELS_TEXT));
const input = screen.getByPlaceholderText(ENTER_KEY_PLACEHOLDER);
// Enter key:value format with empty key
fireEvent.change(input, { target: { value: ':high' } });
fireEvent.keyDown(input, { key: 'Enter' });
expect(mockOnLabelsChange).not.toHaveBeenCalled();
});
it('does not add label if value is empty in key:value format', () => {
renderLabelsInput();
fireEvent.click(screen.getByText(ADD_LABELS_TEXT));
const input = screen.getByPlaceholderText(ENTER_KEY_PLACEHOLDER);
// Enter key:value format with empty value
fireEvent.change(input, { target: { value: 'severity:' } });
fireEvent.keyDown(input, { key: 'Enter' });
expect(mockOnLabelsChange).not.toHaveBeenCalled();
});
it('does not add label if only colon is entered', () => {
renderLabelsInput();
fireEvent.click(screen.getByText(ADD_LABELS_TEXT));
const input = screen.getByPlaceholderText(ENTER_KEY_PLACEHOLDER);
// Enter only colon
fireEvent.change(input, { target: { value: ':' } });
fireEvent.keyDown(input, { key: 'Enter' });
expect(mockOnLabelsChange).not.toHaveBeenCalled();
});
it('resets input state after adding label with key:value format', () => {
renderLabelsInput();
fireEvent.click(screen.getByText(ADD_LABELS_TEXT));
const input = screen.getByPlaceholderText(ENTER_KEY_PLACEHOLDER);
// Add label with key:value format
fireEvent.change(input, { target: { value: 'severity:high' } });
fireEvent.keyDown(input, { key: 'Enter' });
// Should be back to key input for next label
expect(
screen.getByPlaceholderText(ENTER_KEY_PLACEHOLDER),
).toBeInTheDocument();
expect(
screen.queryByPlaceholderText(ENTER_VALUE_PLACEHOLDER),
).not.toBeInTheDocument();
});
it('does not auto-save when typing key:value without pressing Enter', () => {
renderLabelsInput();
fireEvent.click(screen.getByText(ADD_LABELS_TEXT));
const input = screen.getByPlaceholderText(ENTER_KEY_PLACEHOLDER);
// Type key:value format but don't press Enter
fireEvent.change(input, { target: { value: SEVERITY_HIGH_KEY_VALUE } });
// Should not have called onLabelsChange yet
expect(mockOnLabelsChange).not.toHaveBeenCalled();
});
it('handles multiple key:value entries correctly', () => {
const { rerender } = renderLabelsInput();
fireEvent.click(screen.getByText(ADD_LABELS_TEXT));
const input = screen.getByPlaceholderText(ENTER_KEY_PLACEHOLDER);
// Add first label
fireEvent.change(input, { target: { value: SEVERITY_HIGH_KEY_VALUE } });
fireEvent.keyDown(input, { key: 'Enter' });
// Simulate parent component updating labels
const firstLabels = { severity: 'high' };
rerender(
<LabelsInput
labels={firstLabels}
onLabelsChange={mockOnLabelsChange}
validateLabelsKey={mockValidateLabelsKey}
/>,
);
// Add second label
const newInput = screen.getByPlaceholderText(ENTER_KEY_PLACEHOLDER);
fireEvent.change(newInput, { target: { value: 'environment:production' } });
fireEvent.keyDown(newInput, { key: 'Enter' });
// Check that we made two calls and the last one includes both labels
expect(mockOnLabelsChange).toHaveBeenCalledTimes(2);
expect(mockOnLabelsChange).toHaveBeenNthCalledWith(1, { severity: 'high' });
expect(mockOnLabelsChange).toHaveBeenNthCalledWith(2, {
severity: 'high',
environment: 'production',
});
});
});
});