react-instantsearch/packages/react-instantsearch-dom/src/components/__tests__/RangeInput.js

import React from 'react';
import Enzyme, { shallow } from 'enzyme';
import Adapter from '@wojtekmaj/enzyme-adapter-react-17';
import RangeInput, { RawRangeInput } from '../RangeInput';

Enzyme.configure({ adapter: new Adapter() });

describe('RangeInput', () => {
  const shallowRender = (props = {}) => {
    const defaultProps = {
      currentRefinement: {
        min: undefined,
        max: undefined,
      },
      canRefine: true,
      precision: 0,
      refine: () => {},
      min: undefined,
      max: undefined,
    };

    return shallow(<RangeInput {...defaultProps} {...props} />);
  };

  it('render with translations', () => {
    const props = {
      translations: {
        submit: 'SUBMIT',
        separator: 'SEPARATOR',
      },
    };

    const component = shallowRender(props).shallow();

    expect(component).toMatchSnapshot();
  });
});

describe('RawRangeInput', () => {
  const shallowRender = (props = {}) => {
    const defaultProps = {
      currentRefinement: {
        min: undefined,
        max: undefined,
      },
      canRefine: true,
      precision: 0,
      refine: () => {},
      translate: (x) => x,
      min: undefined,
      max: undefined,
    };

    return shallow(<RawRangeInput {...defaultProps} {...props} />);
  };

  it('render with empty values', () => {
    const props = {};

    const component = shallowRender(props);

    expect(component).toMatchSnapshot();
  });

  it('render with empty values when refinement is equal to min / max', () => {
    const props = {
      currentRefinement: {
        min: 0,
        max: 500,
      },
      min: 0,
      max: 500,
    };

    const component = shallowRender(props);

    expect(component).toMatchSnapshot();
  });

  it('render with refinement', () => {
    const props = {
      currentRefinement: {
        min: 10,
        max: 490,
      },
    };

    const component = shallowRender(props);

    expect(component).toMatchSnapshot();
  });

  it('render with min / max', () => {
    const props = {
      min: 0,
      max: 500,
    };

    const component = shallowRender(props);

    expect(component).toMatchSnapshot();
  });

  it('render with min only', () => {
    const props = {
      min: 0,
    };

    const component = shallowRender(props);

    expect(component).toMatchSnapshot();
  });

  it('render with max only', () => {
    const props = {
      max: 500,
    };

    const component = shallowRender(props);

    expect(component).toMatchSnapshot();
  });

  it('render with precision of 1', () => {
    const props = {
      precision: 1,
    };

    const component = shallowRender(props);

    expect(component).toMatchSnapshot();
  });

  it('render with precision of 2', () => {
    const props = {
      precision: 2,
    };

    const component = shallowRender(props);

    expect(component).toMatchSnapshot();
  });

  it("render when can't refine", () => {
    const props = {
      canRefine: false,
      min: 0,
      max: 100,
      currentRefinement: {
        min: 10,
        max: 90,
      },
    };

    const component = shallowRender(props);

    expect(component).toMatchSnapshot();
  });

  it('render with custom className', () => {
    const props = {
      className: 'MyCustomRangeInput',
    };

    const component = shallowRender(props);

    expect(component).toMatchSnapshot();
  });

  describe('didUpdate', () => {
    it('expect to update state when props have changed', () => {
      const props = {
        canRefine: false,
        currentRefinement: {
          min: 0,
          max: 100,
        },
      };

      const wrapper = shallowRender(props);

      wrapper.setProps({
        canRefine: true,
        currentRefinement: {
          min: 10,
          max: 90,
        },
      });

      wrapper.update();

      expect(wrapper.state()).toEqual({
        from: 10,
        to: 90,
      });
    });

    it("expect to not update state when props don't have changed", () => {
      const props = {
        canRefine: true,
        currentRefinement: {
          min: 0,
          max: 100,
        },
      };

      const wrapper = shallowRender(props);

      wrapper.setState({
        from: 10,
        to: 90,
      });

      wrapper.setProps({
        canRefine: true,
        currentRefinement: {
          min: 0,
          max: 100,
        },
      });

      wrapper.update();

      expect(wrapper.state()).toEqual({
        from: 10,
        to: 90,
      });
    });
  });

  describe('onChange', () => {
    it('expect to update min onChange', () => {
      const props = {};
      const component = shallowRender(props);

      component
        .find('input')
        .first()
        .simulate('change', {
          currentTarget: {
            value: 10,
          },
        });

      expect(component).toMatchSnapshot();
      expect(component.state()).toEqual({
        from: 10,
        to: '',
      });
    });

    it('expect to update max onChange', () => {
      const props = {};
      const component = shallowRender(props);

      component
        .find('input')
        .last()
        .simulate('change', {
          currentTarget: {
            value: 490,
          },
        });

      expect(component).toMatchSnapshot();
      expect(component.state()).toEqual({
        from: '',
        to: 490,
      });
    });
  });

  describe('onSubmit', () => {
    it('expect to call refine onSubmit with values', () => {
      const props = {
        refine: jest.fn(),
      };

      const event = {
        preventDefault: jest.fn(),
      };

      const component = shallowRender(props);

      component.setState({
        from: 10,
        to: 490,
      });

      component.find('form').simulate('submit', event);

      expect(event.preventDefault).toHaveBeenCalled();
      expect(props.refine).toHaveBeenCalledWith({
        min: 10,
        max: 490,
      });
    });

    it('expect to not call refine with empty string', () => {
      const props = {
        refine: jest.fn(),
      };

      const event = {
        preventDefault: jest.fn(),
      };

      const component = shallowRender(props);

      component.find('form').simulate('submit', event);

      expect(event.preventDefault).toHaveBeenCalled();
      expect(props.refine).toHaveBeenCalledWith({
        min: '',
        max: '',
      });
    });
  });
});