import React from 'react';
import { render } from '@testing-library/react-native';
import LineGraph from '../../component/charts/line-graph/line-graph';
import { line_chart_two_y_data } from '../../mock/charts/mock-data';

describe('LineGraph Component Tests', () => {

  it('renders correctly with data', () => {
    const { getByTestId } = render(<LineGraph data={line_chart_two_y_data} testID='1'/>);
    expect(getByTestId(`line-graph-1`)).toBeTruthy();

  });

  it('does not render without data', () => {
    // Have to ts-ignore to test null data conditions
    // @ts-ignore
    const { queryByTestId } = render(<LineGraph testID='2'/>);
    expect(queryByTestId(`line-graph-2`)).toBeNull();
  });

});