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headlamp-polaris-plugin/src/components/PolarisSettings.test.tsx
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TypeScript

import { render, screen } from '@testing-library/react';
import userEvent from '@testing-library/user-event';
import React from 'react';
import { describe, expect, it, vi } from 'vitest';
// Mock Headlamp lib
vi.mock('@kinvolk/headlamp-plugin/lib', () => ({
ApiProxy: { request: vi.fn() },
}));
// Mock Headlamp CommonComponents
vi.mock('@kinvolk/headlamp-plugin/lib/CommonComponents', () => ({
SectionBox: ({ title, children }: { title?: string; children?: React.ReactNode }) => (
<div data-testid="section-box" data-title={title}>
{children}
</div>
),
NameValueTable: ({ rows }: { rows: Array<{ name: string; value: React.ReactNode }> }) => (
<div data-testid="name-value-table">
{rows.map(row => (
<div key={row.name}>
<span>{row.name}</span>
<span>{row.value}</span>
</div>
))}
</div>
),
}));
import PolarisSettings from './PolarisSettings';
describe('PolarisSettings', () => {
it('renders with interval from props.data', () => {
render(<PolarisSettings data={{ refreshInterval: 60 }} />);
const select = screen.getByRole('combobox');
expect(select).toHaveValue('60');
});
it('falls back to getRefreshInterval when no prop data', () => {
// Default is 300 (5 minutes)
render(<PolarisSettings />);
const select = screen.getByRole('combobox');
expect(select).toHaveValue('300');
});
it('renders all interval options', () => {
render(<PolarisSettings />);
const options = screen.getAllByRole('option');
expect(options).toHaveLength(4);
expect(options[0]).toHaveTextContent('1 minute');
expect(options[1]).toHaveTextContent('5 minutes');
expect(options[2]).toHaveTextContent('10 minutes');
expect(options[3]).toHaveTextContent('30 minutes');
});
it('calls setRefreshInterval and onDataChange when selection changes', async () => {
const onDataChange = vi.fn();
render(<PolarisSettings data={{ refreshInterval: 300 }} onDataChange={onDataChange} />);
const select = screen.getByRole('combobox');
await userEvent.selectOptions(select, '1800');
// Check localStorage was updated
expect(localStorage.getItem('polaris-plugin-refresh-interval')).toBe('1800');
// Check callback was called with merged data
expect(onDataChange).toHaveBeenCalledWith({ refreshInterval: 1800 });
});
it('works without onDataChange callback', async () => {
render(<PolarisSettings data={{ refreshInterval: 300 }} />);
const select = screen.getByRole('combobox');
// Should not throw even without onDataChange
await userEvent.selectOptions(select, '60');
expect(localStorage.getItem('polaris-plugin-refresh-interval')).toBe('60');
});
});