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| 1 | +import React from 'react'; |
| 2 | +import { render, screen, fireEvent, act } from '@testing-library/react'; |
| 3 | +import Clipboard from 'clipboard'; |
| 4 | +import CopyableInput from './CopyableInput'; |
| 5 | + |
| 6 | +// Mock clipboard.js |
| 7 | +jest.mock('clipboard'); |
| 8 | + |
| 9 | +// Mock react-i18next |
| 10 | +jest.mock('react-i18next', () => ({ |
| 11 | + useTranslation: () => ({ |
| 12 | + t: (key) => key |
| 13 | + }) |
| 14 | +})); |
| 15 | + |
| 16 | +// Mock ShareIcon SVG — must be a function, not a plain object |
| 17 | +jest.mock('../../../images/share.svg', () => { |
| 18 | + const ShareIcon = () => <svg data-testid="share-icon" />; |
| 19 | + return ShareIcon; |
| 20 | +}); |
| 21 | + |
| 22 | +describe('CopyableInput', () => { |
| 23 | + const defaultProps = { |
| 24 | + label: 'Test Label', |
| 25 | + value: 'https://example.com' |
| 26 | + }; |
| 27 | + |
| 28 | + let mockClipboardInstance; |
| 29 | + |
| 30 | + beforeEach(() => { |
| 31 | + mockClipboardInstance = { |
| 32 | + on: jest.fn(), |
| 33 | + destroy: jest.fn() |
| 34 | + }; |
| 35 | + Clipboard.mockImplementation(() => mockClipboardInstance); |
| 36 | + }); |
| 37 | + |
| 38 | + afterEach(() => { |
| 39 | + jest.clearAllMocks(); |
| 40 | + }); |
| 41 | + |
| 42 | + // ─── Rendering ──────────────────────────────────────────────────────────── |
| 43 | + |
| 44 | + describe('rendering', () => { |
| 45 | + it('renders without crashing', () => { |
| 46 | + render(<CopyableInput {...defaultProps} />); |
| 47 | + expect(screen.getByRole('textbox')).toBeInTheDocument(); |
| 48 | + }); |
| 49 | + |
| 50 | + it('renders the label text', () => { |
| 51 | + render(<CopyableInput {...defaultProps} />); |
| 52 | + expect(screen.getByText('Test Label')).toBeInTheDocument(); |
| 53 | + }); |
| 54 | + |
| 55 | + it('renders the input with the correct value', () => { |
| 56 | + render(<CopyableInput {...defaultProps} />); |
| 57 | + expect(screen.getByRole('textbox')).toHaveValue('https://example.com'); |
| 58 | + }); |
| 59 | + |
| 60 | + it('renders the input as readOnly', () => { |
| 61 | + render(<CopyableInput {...defaultProps} />); |
| 62 | + expect(screen.getByRole('textbox')).toHaveAttribute('readonly'); |
| 63 | + }); |
| 64 | + |
| 65 | + it('associates label with input via htmlFor', () => { |
| 66 | + render(<CopyableInput {...defaultProps} />); |
| 67 | + const input = screen.getByRole('textbox'); |
| 68 | + const label = screen.getByText('Test Label').closest('label'); |
| 69 | + expect(label).toHaveAttribute('for', input.id); |
| 70 | + }); |
| 71 | + |
| 72 | + it('does not render the preview link by default', () => { |
| 73 | + render(<CopyableInput {...defaultProps} />); |
| 74 | + expect(screen.queryByRole('link')).not.toBeInTheDocument(); |
| 75 | + }); |
| 76 | + |
| 77 | + it('renders the preview link when hasPreviewLink is true', () => { |
| 78 | + render(<CopyableInput {...defaultProps} hasPreviewLink />); |
| 79 | + const link = screen.getByRole('link'); |
| 80 | + expect(link).toBeInTheDocument(); |
| 81 | + expect(link).toHaveAttribute('href', defaultProps.value); |
| 82 | + }); |
| 83 | + |
| 84 | + it('opens the preview link in a new tab', () => { |
| 85 | + render(<CopyableInput {...defaultProps} hasPreviewLink />); |
| 86 | + const link = screen.getByRole('link'); |
| 87 | + expect(link).toHaveAttribute('target', '_blank'); |
| 88 | + expect(link).toHaveAttribute('rel', 'noopener noreferrer'); |
| 89 | + }); |
| 90 | + }); |
| 91 | + |
| 92 | + // ─── CSS Classes ────────────────────────────────────────────────────────── |
| 93 | + |
| 94 | + describe('CSS classes', () => { |
| 95 | + it('applies the base copyable-input class', () => { |
| 96 | + const { container } = render(<CopyableInput {...defaultProps} />); |
| 97 | + expect(container.firstChild).toHaveClass('copyable-input'); |
| 98 | + }); |
| 99 | + |
| 100 | + it('does not apply the --with-preview modifier by default', () => { |
| 101 | + const { container } = render(<CopyableInput {...defaultProps} />); |
| 102 | + expect(container.firstChild).not.toHaveClass( |
| 103 | + 'copyable-input--with-preview' |
| 104 | + ); |
| 105 | + }); |
| 106 | + |
| 107 | + it('applies the --with-preview modifier when hasPreviewLink is true', () => { |
| 108 | + const { container } = render( |
| 109 | + <CopyableInput {...defaultProps} hasPreviewLink /> |
| 110 | + ); |
| 111 | + expect(container.firstChild).toHaveClass('copyable-input--with-preview'); |
| 112 | + }); |
| 113 | + |
| 114 | + it('does not apply tooltip class initially', () => { |
| 115 | + render(<CopyableInput {...defaultProps} />); |
| 116 | + const valueContainer = screen |
| 117 | + .getByRole('textbox') |
| 118 | + .closest('.copyable-input__value-container'); |
| 119 | + expect(valueContainer).not.toHaveClass('tooltipped'); |
| 120 | + expect(valueContainer).not.toHaveClass('tooltipped-n'); |
| 121 | + }); |
| 122 | + }); |
| 123 | + |
| 124 | + // ─── Clipboard Integration ──────────────────────────────────────────────── |
| 125 | + |
| 126 | + describe('clipboard integration', () => { |
| 127 | + it('initialises Clipboard on mount', () => { |
| 128 | + render(<CopyableInput {...defaultProps} />); |
| 129 | + expect(Clipboard).toHaveBeenCalledTimes(1); |
| 130 | + }); |
| 131 | + |
| 132 | + it('passes the input element as the clipboard target', () => { |
| 133 | + render(<CopyableInput {...defaultProps} />); |
| 134 | + const [, options] = Clipboard.mock.calls[0]; |
| 135 | + const input = screen.getByRole('textbox'); |
| 136 | + expect(options.target()).toBe(input); |
| 137 | + }); |
| 138 | + |
| 139 | + it('registers a success handler on the clipboard instance', () => { |
| 140 | + render(<CopyableInput {...defaultProps} />); |
| 141 | + expect(mockClipboardInstance.on).toHaveBeenCalledWith( |
| 142 | + 'success', |
| 143 | + expect.any(Function) |
| 144 | + ); |
| 145 | + }); |
| 146 | + |
| 147 | + it('shows the tooltip after a successful copy', () => { |
| 148 | + render(<CopyableInput {...defaultProps} />); |
| 149 | + |
| 150 | + const successCallback = mockClipboardInstance.on.mock.calls.find( |
| 151 | + ([event]) => event === 'success' |
| 152 | + )[1]; |
| 153 | + |
| 154 | + act(() => { |
| 155 | + successCallback(); |
| 156 | + }); |
| 157 | + |
| 158 | + const valueContainer = screen |
| 159 | + .getByRole('textbox') |
| 160 | + .closest('.copyable-input__value-container'); |
| 161 | + expect(valueContainer).toHaveClass('tooltipped'); |
| 162 | + expect(valueContainer).toHaveClass('tooltipped-n'); |
| 163 | + }); |
| 164 | + |
| 165 | + it('destroys the clipboard instance on unmount', () => { |
| 166 | + const { unmount } = render(<CopyableInput {...defaultProps} />); |
| 167 | + unmount(); |
| 168 | + expect(mockClipboardInstance.destroy).toHaveBeenCalledTimes(1); |
| 169 | + }); |
| 170 | + }); |
| 171 | + |
| 172 | + // ─── Tooltip / Mouse Interactions ───────────────────────────────────────── |
| 173 | + |
| 174 | + describe('tooltip behaviour', () => { |
| 175 | + it('hides the tooltip on mouse leave after a copy', () => { |
| 176 | + render(<CopyableInput {...defaultProps} />); |
| 177 | + |
| 178 | + const successCallback = mockClipboardInstance.on.mock.calls.find( |
| 179 | + ([event]) => event === 'success' |
| 180 | + )[1]; |
| 181 | + |
| 182 | + act(() => { |
| 183 | + successCallback(); |
| 184 | + }); |
| 185 | + |
| 186 | + const valueContainer = screen |
| 187 | + .getByRole('textbox') |
| 188 | + .closest('.copyable-input__value-container'); |
| 189 | + |
| 190 | + expect(valueContainer).toHaveClass('tooltipped'); |
| 191 | + |
| 192 | + fireEvent.mouseLeave(valueContainer); |
| 193 | + |
| 194 | + expect(valueContainer).not.toHaveClass('tooltipped'); |
| 195 | + expect(valueContainer).not.toHaveClass('tooltipped-n'); |
| 196 | + }); |
| 197 | + |
| 198 | + it('sets the aria-label on the value container', () => { |
| 199 | + render(<CopyableInput {...defaultProps} />); |
| 200 | + const valueContainer = screen |
| 201 | + .getByRole('textbox') |
| 202 | + .closest('.copyable-input__value-container'); |
| 203 | + expect(valueContainer).toHaveAttribute( |
| 204 | + 'aria-label', |
| 205 | + 'CopyableInput.CopiedARIA' |
| 206 | + ); |
| 207 | + }); |
| 208 | + }); |
| 209 | + |
| 210 | + // ─── Accessibility ──────────────────────────────────────────────────────── |
| 211 | + |
| 212 | + describe('accessibility', () => { |
| 213 | + it('renders the preview link with an aria-label when hasPreviewLink is true', () => { |
| 214 | + render(<CopyableInput {...defaultProps} hasPreviewLink />); |
| 215 | + const link = screen.getByRole('link'); |
| 216 | + expect(link).toHaveAttribute('aria-label', 'CopyableInput.CopiedARIA'); |
| 217 | + }); |
| 218 | + }); |
| 219 | + |
| 220 | + // ─── Props ──────────────────────────────────────────────────────────────── |
| 221 | + |
| 222 | + describe('prop handling', () => { |
| 223 | + it('updates the displayed value when the value prop changes', () => { |
| 224 | + const { rerender } = render(<CopyableInput {...defaultProps} />); |
| 225 | + rerender(<CopyableInput {...defaultProps} value="https://updated.com" />); |
| 226 | + expect(screen.getByRole('textbox')).toHaveValue('https://updated.com'); |
| 227 | + }); |
| 228 | + |
| 229 | + it('reflects a new label in the DOM when the label prop changes', () => { |
| 230 | + const { rerender } = render(<CopyableInput {...defaultProps} />); |
| 231 | + rerender(<CopyableInput {...defaultProps} label="New Label" />); |
| 232 | + expect(screen.getByText('New Label')).toBeInTheDocument(); |
| 233 | + }); |
| 234 | + }); |
| 235 | +}); |
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