import axios from 'axios';
import MockAdapter from 'axios-mock-adapter';
import FilteredSearchVisualTokens from '~/filtered_search/filtered_search_visual_tokens';
import FilteredSearchSpecHelper from '../helpers/filtered_search_spec_helper';

describe('Filtered Search Visual Tokens', () => {
  let mock;
  const subject = FilteredSearchVisualTokens;

  const findElements = tokenElement => {
    const tokenNameElement = tokenElement.querySelector('.name');
    const tokenOperatorElement = tokenElement.querySelector('.operator');
    const tokenValueContainer = tokenElement.querySelector('.value-container');
    const tokenValueElement = tokenValueContainer.querySelector('.value');
    return { tokenNameElement, tokenOperatorElement, tokenValueContainer, tokenValueElement };
  };

  let tokensContainer;
  let authorToken;
  let bugLabelToken;

  beforeEach(() => {
    mock = new MockAdapter(axios);
    mock.onGet().reply(200);

    setFixtures(`
      <ul class="tokens-container">
        ${FilteredSearchSpecHelper.createInputHTML()}
      </ul>
    `);
    tokensContainer = document.querySelector('.tokens-container');

    authorToken = FilteredSearchSpecHelper.createFilterVisualToken('author', '=', '@user');
    bugLabelToken = FilteredSearchSpecHelper.createFilterVisualToken('label', '=', '~bug');
  });

  describe('getLastVisualTokenBeforeInput', () => {
    it('returns when there are no visual tokens', () => {
      const { lastVisualToken, isLastVisualTokenValid } = subject.getLastVisualTokenBeforeInput();

      expect(lastVisualToken).toEqual(null);
      expect(isLastVisualTokenValid).toEqual(true);
    });

    describe('input is the last item in tokensContainer', () => {
      it('returns when there is one visual token', () => {
        tokensContainer.innerHTML = FilteredSearchSpecHelper.createTokensContainerHTML(
          bugLabelToken.outerHTML,
        );

        const { lastVisualToken, isLastVisualTokenValid } = subject.getLastVisualTokenBeforeInput();

        expect(lastVisualToken).toEqual(document.querySelector('.filtered-search-token'));
        expect(isLastVisualTokenValid).toEqual(true);
      });

      it('returns when there is an incomplete visual token', () => {
        tokensContainer.innerHTML = FilteredSearchSpecHelper.createTokensContainerHTML(
          FilteredSearchSpecHelper.createNameFilterVisualTokenHTML('Author'),
        );

        const { lastVisualToken, isLastVisualTokenValid } = subject.getLastVisualTokenBeforeInput();

        expect(lastVisualToken).toEqual(document.querySelector('.filtered-search-token'));
        expect(isLastVisualTokenValid).toEqual(false);
      });

      it('returns when there are multiple visual tokens', () => {
        tokensContainer.innerHTML = FilteredSearchSpecHelper.createTokensContainerHTML(`
          ${bugLabelToken.outerHTML}
          ${FilteredSearchSpecHelper.createSearchVisualTokenHTML('search term')}
          ${FilteredSearchSpecHelper.createFilterVisualTokenHTML('author', '=', '@root')}
        `);

        const { lastVisualToken, isLastVisualTokenValid } = subject.getLastVisualTokenBeforeInput();
        const items = document.querySelectorAll('.tokens-container .js-visual-token');

        expect(lastVisualToken.isEqualNode(items[items.length - 1])).toEqual(true);
        expect(isLastVisualTokenValid).toEqual(true);
      });

      it('returns when there are multiple visual tokens and an incomplete visual token', () => {
        tokensContainer.innerHTML = FilteredSearchSpecHelper.createTokensContainerHTML(`
          ${bugLabelToken.outerHTML}
          ${FilteredSearchSpecHelper.createSearchVisualTokenHTML('search term')}
          ${FilteredSearchSpecHelper.createNameFilterVisualTokenHTML('assignee')}
        `);

        const { lastVisualToken, isLastVisualTokenValid } = subject.getLastVisualTokenBeforeInput();
        const items = document.querySelectorAll('.tokens-container .js-visual-token');

        expect(lastVisualToken.isEqualNode(items[items.length - 1])).toEqual(true);
        expect(isLastVisualTokenValid).toEqual(false);
      });
    });

    describe('input is a middle item in tokensContainer', () => {
      it('returns last token before input', () => {
        tokensContainer.innerHTML = FilteredSearchSpecHelper.createTokensContainerHTML(`
          ${bugLabelToken.outerHTML}
          ${FilteredSearchSpecHelper.createInputHTML()}
          ${FilteredSearchSpecHelper.createFilterVisualTokenHTML('author', '=', '@root')}
        `);

        const { lastVisualToken, isLastVisualTokenValid } = subject.getLastVisualTokenBeforeInput();

        expect(lastVisualToken).toEqual(document.querySelector('.filtered-search-token'));
        expect(isLastVisualTokenValid).toEqual(true);
      });

      it('returns last partial token before input', () => {
        tokensContainer.innerHTML = FilteredSearchSpecHelper.createTokensContainerHTML(`
          ${FilteredSearchSpecHelper.createNameFilterVisualTokenHTML('label')}
          ${FilteredSearchSpecHelper.createInputHTML()}
          ${FilteredSearchSpecHelper.createFilterVisualTokenHTML('author', '=', '@root')}
        `);

        const { lastVisualToken, isLastVisualTokenValid } = subject.getLastVisualTokenBeforeInput();

        expect(lastVisualToken).toEqual(document.querySelector('.filtered-search-token'));
        expect(isLastVisualTokenValid).toEqual(false);
      });
    });
  });

  describe('getEndpointWithQueryParams', () => {
    it('returns `endpoint` string as is when second param `endpointQueryParams` is undefined, null or empty string', () => {
      const endpoint = 'foo/bar/-/labels.json';

      expect(subject.getEndpointWithQueryParams(endpoint)).toBe(endpoint);
      expect(subject.getEndpointWithQueryParams(endpoint, null)).toBe(endpoint);
      expect(subject.getEndpointWithQueryParams(endpoint, '')).toBe(endpoint);
    });

    it('returns `endpoint` string with values of `endpointQueryParams`', () => {
      const endpoint = 'foo/bar/-/labels.json';
      const singleQueryParams = '{"foo":"true"}';
      const multipleQueryParams = '{"foo":"true","bar":"true"}';

      expect(subject.getEndpointWithQueryParams(endpoint, singleQueryParams)).toBe(
        `${endpoint}?foo=true`,
      );

      expect(subject.getEndpointWithQueryParams(endpoint, multipleQueryParams)).toBe(
        `${endpoint}?foo=true&bar=true`,
      );
    });
  });

  describe('unselectTokens', () => {
    it('does nothing when there are no tokens', () => {
      const beforeHTML = tokensContainer.innerHTML;
      subject.unselectTokens();

      expect(tokensContainer.innerHTML).toEqual(beforeHTML);
    });

    it('removes the selected class from buttons', () => {
      tokensContainer.innerHTML = FilteredSearchSpecHelper.createTokensContainerHTML(`
        ${FilteredSearchSpecHelper.createFilterVisualTokenHTML('author', '=', '@author')}
        ${FilteredSearchSpecHelper.createFilterVisualTokenHTML('milestone', '=', '%123', true)}
      `);

      const selected = tokensContainer.querySelector('.js-visual-token .selected');

      expect(selected.classList.contains('selected')).toEqual(true);

      subject.unselectTokens();

      expect(selected.classList.contains('selected')).toEqual(false);
    });
  });

  describe('selectToken', () => {
    beforeEach(() => {
      tokensContainer.innerHTML = FilteredSearchSpecHelper.createTokensContainerHTML(`
        ${bugLabelToken.outerHTML}
        ${FilteredSearchSpecHelper.createSearchVisualTokenHTML('search term')}
        ${FilteredSearchSpecHelper.createFilterVisualTokenHTML('label', '=', '~awesome')}
      `);
    });

    it('removes the selected class if it has selected class', () => {
      const firstTokenButton = tokensContainer.querySelector('.js-visual-token .selectable');
      firstTokenButton.classList.add('selected');

      subject.selectToken(firstTokenButton);

      expect(firstTokenButton.classList.contains('selected')).toEqual(false);
    });

    describe('has no selected class', () => {
      it('adds selected class', () => {
        const firstTokenButton = tokensContainer.querySelector('.js-visual-token .selectable');

        subject.selectToken(firstTokenButton);

        expect(firstTokenButton.classList.contains('selected')).toEqual(true);
      });

      it('removes selected class from other tokens', () => {
        const tokenButtons = tokensContainer.querySelectorAll('.js-visual-token .selectable');
        tokenButtons[1].classList.add('selected');

        subject.selectToken(tokenButtons[0]);

        expect(tokenButtons[0].classList.contains('selected')).toEqual(true);
        expect(tokenButtons[1].classList.contains('selected')).toEqual(false);
      });
    });
  });

  describe('removeSelectedToken', () => {
    it('does not remove when there are no selected tokens', () => {
      tokensContainer.innerHTML = FilteredSearchSpecHelper.createTokensContainerHTML(
        FilteredSearchSpecHelper.createFilterVisualTokenHTML('milestone', '=', 'none'),
      );

      expect(tokensContainer.querySelector('.js-visual-token .selectable')).not.toEqual(null);

      subject.removeSelectedToken();

      expect(tokensContainer.querySelector('.js-visual-token .selectable')).not.toEqual(null);
    });

    it('removes selected token', () => {
      tokensContainer.innerHTML = FilteredSearchSpecHelper.createTokensContainerHTML(
        FilteredSearchSpecHelper.createFilterVisualTokenHTML('milestone', '=', 'none', true),
      );

      expect(tokensContainer.querySelector('.js-visual-token .selectable')).not.toEqual(null);

      subject.removeSelectedToken();

      expect(tokensContainer.querySelector('.js-visual-token .selectable')).toEqual(null);
    });
  });

  describe('createVisualTokenElementHTML', () => {
    let tokenElement;

    beforeEach(() => {
      setFixtures(`
        <div class="test-area">
        ${subject.createVisualTokenElementHTML('custom-token')}
        </div>
      `);

      tokenElement = document.querySelector('.test-area').firstElementChild;
    });

    it('should add class name to token element', () => {
      expect(document.querySelector('.test-area .custom-token')).toBeDefined();
    });

    it('contains name div', () => {
      expect(tokenElement.querySelector('.name')).toEqual(expect.anything());
    });

    it('contains value container div', () => {
      expect(tokenElement.querySelector('.value-container')).toEqual(expect.anything());
    });

    it('contains value div', () => {
      expect(tokenElement.querySelector('.value-container .value')).toEqual(expect.anything());
    });

    it('contains selectable class', () => {
      expect(tokenElement.classList.contains('selectable')).toEqual(true);
    });

    it('contains button role', () => {
      expect(tokenElement.getAttribute('role')).toEqual('button');
    });

    describe('remove token', () => {
      it('contains remove-token button', () => {
        expect(tokenElement.querySelector('.value-container .remove-token')).toEqual(
          expect.anything(),
        );
      });

      it('contains close icon', () => {
        expect(tokenElement.querySelector('.remove-token .close-icon')).toEqual(expect.anything());
      });
    });
  });

  describe('addVisualTokenElement', () => {
    it('renders search visual tokens', () => {
      subject.addVisualTokenElement({
        name: 'search term',
        operator: '=',
        value: null,
        options: { isSearchTerm: true },
      });
      const token = tokensContainer.querySelector('.js-visual-token');

      expect(token.classList.contains('filtered-search-term')).toEqual(true);
      expect(token.querySelector('.name').innerText).toEqual('search term');
      expect(token.querySelector('.operator').innerText).toEqual('=');
      expect(token.querySelector('.value')).toEqual(null);
    });

    it('renders filter visual token name', () => {
      subject.addVisualTokenElement({ name: 'milestone' });
      const token = tokensContainer.querySelector('.js-visual-token');

      expect(token.classList.contains('search-token-milestone')).toEqual(true);
      expect(token.classList.contains('filtered-search-token')).toEqual(true);
      expect(token.querySelector('.name').innerText).toEqual('milestone');
      expect(token.querySelector('.value')).toEqual(null);
    });

    it('renders filter visual token name, operator, and value', () => {
      subject.addVisualTokenElement({ name: 'label', operator: '!=', value: 'Frontend' });
      const token = tokensContainer.querySelector('.js-visual-token');

      expect(token.classList.contains('search-token-label')).toEqual(true);
      expect(token.classList.contains('filtered-search-token')).toEqual(true);
      expect(token.querySelector('.name').innerText).toEqual('label');
      expect(token.querySelector('.operator').innerText).toEqual('!=');
      expect(token.querySelector('.value').innerText).toEqual('Frontend');
    });

    it('inserts visual token before input', () => {
      tokensContainer.appendChild(
        FilteredSearchSpecHelper.createFilterVisualToken('assignee', '=', '@root'),
      );

      subject.addVisualTokenElement({ name: 'label', operator: '!=', value: 'Frontend' });
      const tokens = tokensContainer.querySelectorAll('.js-visual-token');
      const labelToken = tokens[0];
      const assigneeToken = tokens[1];

      expect(labelToken.classList.contains('search-token-label')).toEqual(true);
      expect(labelToken.classList.contains('filtered-search-token')).toEqual(true);
      expect(labelToken.querySelector('.name').innerText).toEqual('label');
      expect(labelToken.querySelector('.value').innerText).toEqual('Frontend');
      expect(labelToken.querySelector('.operator').innerText).toEqual('!=');

      expect(assigneeToken.classList.contains('search-token-assignee')).toEqual(true);
      expect(assigneeToken.classList.contains('filtered-search-token')).toEqual(true);
      expect(assigneeToken.querySelector('.name').innerText).toEqual('assignee');
      expect(assigneeToken.querySelector('.value').innerText).toEqual('@root');
      expect(assigneeToken.querySelector('.operator').innerText).toEqual('=');
    });
  });

  describe('addValueToPreviousVisualTokenElement', () => {
    it('does not add when previous visual token element has no value', () => {
      tokensContainer.innerHTML = FilteredSearchSpecHelper.createTokensContainerHTML(
        FilteredSearchSpecHelper.createFilterVisualTokenHTML('author', '=', '@root'),
      );

      const original = tokensContainer.innerHTML;
      subject.addValueToPreviousVisualTokenElement('value');

      expect(original).toEqual(tokensContainer.innerHTML);
    });

    it('does not add when previous visual token element is a search', () => {
      tokensContainer.innerHTML = FilteredSearchSpecHelper.createTokensContainerHTML(`
        ${FilteredSearchSpecHelper.createFilterVisualTokenHTML('author', '=', '@root')}
        ${FilteredSearchSpecHelper.createSearchVisualTokenHTML('search term')}
      `);

      const original = tokensContainer.innerHTML;
      subject.addValueToPreviousVisualTokenElement('value');

      expect(original).toEqual(tokensContainer.innerHTML);
    });

    it('adds value to previous visual filter token', () => {
      tokensContainer.innerHTML = FilteredSearchSpecHelper.createTokensContainerHTML(
        FilteredSearchSpecHelper.createNameOperatorFilterVisualTokenHTML('label', '='),
      );

      const original = tokensContainer.innerHTML;
      subject.addValueToPreviousVisualTokenElement('value');
      const updatedToken = tokensContainer.querySelector('.js-visual-token');

      expect(updatedToken.querySelector('.name').innerText).toEqual('label');
      expect(updatedToken.querySelector('.value').innerText).toEqual('value');
      expect(original).not.toEqual(tokensContainer.innerHTML);
    });
  });

  describe('addFilterVisualToken', () => {
    it('creates visual token with just tokenName', () => {
      subject.addFilterVisualToken('milestone');
      const token = tokensContainer.querySelector('.js-visual-token');

      expect(token.classList.contains('filtered-search-token')).toEqual(true);
      expect(token.querySelector('.name').innerText).toEqual('milestone');
      expect(token.querySelector('.operator')).toEqual(null);
      expect(token.querySelector('.value')).toEqual(null);
    });

    it('creates visual token with just tokenValue', () => {
      subject.addFilterVisualToken('milestone', '=');
      subject.addFilterVisualToken('%8.17');
      const token = tokensContainer.querySelector('.js-visual-token');

      expect(token.classList.contains('filtered-search-token')).toEqual(true);
      expect(token.querySelector('.name').innerText).toEqual('milestone');
      expect(token.querySelector('.operator').innerText).toEqual('=');
      expect(token.querySelector('.value').innerText).toEqual('%8.17');
    });

    it('creates full visual token', () => {
      subject.addFilterVisualToken('assignee', '=', '@john');
      const token = tokensContainer.querySelector('.js-visual-token');

      expect(token.classList.contains('filtered-search-token')).toEqual(true);
      expect(token.querySelector('.name').innerText).toEqual('assignee');
      expect(token.querySelector('.operator').innerText).toEqual('=');
      expect(token.querySelector('.value').innerText).toEqual('@john');
    });
  });

  describe('addSearchVisualToken', () => {
    it('creates search visual token', () => {
      subject.addSearchVisualToken('search term');
      const token = tokensContainer.querySelector('.js-visual-token');

      expect(token.classList.contains('filtered-search-term')).toEqual(true);
      expect(token.querySelector('.name').innerText).toEqual('search term');
      expect(token.querySelector('.value')).toEqual(null);
    });

    it('appends to previous search visual token if previous token was a search token', () => {
      tokensContainer.innerHTML = FilteredSearchSpecHelper.createTokensContainerHTML(`
        ${FilteredSearchSpecHelper.createFilterVisualTokenHTML('author', '=', '@root')}
        ${FilteredSearchSpecHelper.createSearchVisualTokenHTML('search term')}
      `);

      subject.addSearchVisualToken('append this');
      const token = tokensContainer.querySelector('.filtered-search-term');

      expect(token.querySelector('.name').innerText).toEqual('search term append this');
      expect(token.querySelector('.value')).toEqual(null);
    });
  });

  describe('getLastTokenPartial', () => {
    it('should get last token value', () => {
      const value = '~bug';
      tokensContainer.innerHTML = FilteredSearchSpecHelper.createTokensContainerHTML(
        bugLabelToken.outerHTML,
      );

      expect(subject.getLastTokenPartial()).toEqual(value);
    });

    it('should get last token original value if available', () => {
      const originalValue = '@user';
      const valueContainer = authorToken.querySelector('.value-container');
      valueContainer.dataset.originalValue = originalValue;
      const avatar = document.createElement('img');
      const valueElement = valueContainer.querySelector('.value');
      valueElement.appendChild(avatar);
      tokensContainer.innerHTML = FilteredSearchSpecHelper.createTokensContainerHTML(
        authorToken.outerHTML,
      );

      const lastTokenValue = subject.getLastTokenPartial();

      expect(lastTokenValue).toEqual(originalValue);
    });

    it('should get last token name if there is no value', () => {
      const name = 'assignee';
      tokensContainer.innerHTML = FilteredSearchSpecHelper.createTokensContainerHTML(
        FilteredSearchSpecHelper.createNameFilterVisualTokenHTML(name),
      );

      expect(subject.getLastTokenPartial()).toEqual(name);
    });

    it('should return empty when there are no tokens', () => {
      expect(subject.getLastTokenPartial()).toEqual('');
    });
  });

  describe('removeLastTokenPartial', () => {
    it('should remove the last token value if it exists', () => {
      tokensContainer.innerHTML = FilteredSearchSpecHelper.createTokensContainerHTML(
        FilteredSearchSpecHelper.createFilterVisualTokenHTML(
          'label',
          '=',
          '~"Community Contribution"',
        ),
      );

      expect(tokensContainer.querySelector('.js-visual-token .value')).not.toEqual(null);

      subject.removeLastTokenPartial();

      expect(tokensContainer.querySelector('.js-visual-token .value')).toEqual(null);
    });

    it('should remove the last token name if there is no value', () => {
      tokensContainer.innerHTML = FilteredSearchSpecHelper.createTokensContainerHTML(
        FilteredSearchSpecHelper.createNameFilterVisualTokenHTML('milestone'),
      );

      expect(tokensContainer.querySelector('.js-visual-token .name')).not.toEqual(null);

      subject.removeLastTokenPartial();

      expect(tokensContainer.querySelector('.js-visual-token .name')).toEqual(null);
    });

    it('should not remove anything when there are no tokens', () => {
      const html = tokensContainer.innerHTML;
      subject.removeLastTokenPartial();

      expect(tokensContainer.innerHTML).toEqual(html);
    });
  });

  describe('tokenizeInput', () => {
    it('does not do anything if there is no input', () => {
      const original = tokensContainer.innerHTML;
      subject.tokenizeInput();

      expect(tokensContainer.innerHTML).toEqual(original);
    });

    it('adds search visual token if previous visual token is valid', () => {
      tokensContainer.innerHTML = FilteredSearchSpecHelper.createTokensContainerHTML(
        FilteredSearchSpecHelper.createFilterVisualTokenHTML('assignee', '=', 'none'),
      );

      const input = document.querySelector('.filtered-search');
      input.value = 'some value';
      subject.tokenizeInput();

      const newToken = tokensContainer.querySelector('.filtered-search-term');

      expect(input.value).toEqual('');
      expect(newToken.querySelector('.name').innerText).toEqual('some value');
      expect(newToken.querySelector('.value')).toEqual(null);
    });

    it('adds value to previous visual token element if previous visual token is invalid', () => {
      tokensContainer.innerHTML = FilteredSearchSpecHelper.createTokensContainerHTML(
        FilteredSearchSpecHelper.createNameOperatorFilterVisualTokenHTML('assignee', '='),
      );

      const input = document.querySelector('.filtered-search');
      input.value = '@john';
      subject.tokenizeInput();

      const updatedToken = tokensContainer.querySelector('.filtered-search-token');

      expect(input.value).toEqual('');
      expect(updatedToken.querySelector('.name').innerText).toEqual('assignee');
      expect(updatedToken.querySelector('.operator').innerText).toEqual('=');
      expect(updatedToken.querySelector('.value').innerText).toEqual('@john');
    });
  });

  describe('editToken', () => {
    let input;
    let token;

    beforeEach(() => {
      tokensContainer.innerHTML = FilteredSearchSpecHelper.createTokensContainerHTML(`
        ${FilteredSearchSpecHelper.createFilterVisualTokenHTML('label', '=', 'none')}
        ${FilteredSearchSpecHelper.createSearchVisualTokenHTML('search')}
        ${FilteredSearchSpecHelper.createFilterVisualTokenHTML('milestone', '=', 'upcoming')}
      `);

      input = document.querySelector('.filtered-search');
      token = document.querySelector('.js-visual-token');
    });

    it("tokenize's existing input", () => {
      input.value = 'some text';
      jest.spyOn(subject, 'tokenizeInput');

      subject.editToken(token);

      expect(subject.tokenizeInput).toHaveBeenCalled();
      expect(input.value).not.toEqual('some text');
    });

    it('moves input to the token position', () => {
      expect(tokensContainer.children[3].querySelector('.filtered-search')).not.toEqual(null);

      subject.editToken(token);

      expect(tokensContainer.children[1].querySelector('.filtered-search')).not.toEqual(null);
      expect(tokensContainer.children[3].querySelector('.filtered-search')).toEqual(null);
    });

    it('input contains the visual token value', () => {
      subject.editToken(token);

      expect(input.value).toEqual('none');
    });

    it('input contains the original value if present', () => {
      const originalValue = '@user';
      const valueContainer = token.querySelector('.value-container');
      valueContainer.dataset.originalValue = originalValue;

      subject.editToken(token);

      expect(input.value).toEqual(originalValue);
    });

    describe('selected token is a search term token', () => {
      beforeEach(() => {
        token = document.querySelector('.filtered-search-term');
      });

      it('token is removed', () => {
        expect(tokensContainer.querySelector('.filtered-search-term')).not.toEqual(null);

        subject.editToken(token);

        expect(tokensContainer.querySelector('.filtered-search-term')).toEqual(null);
      });

      it('input has the same value as removed token', () => {
        expect(input.value).toEqual('');

        subject.editToken(token);

        expect(input.value).toEqual('search');
      });
    });
  });

  describe('moveInputTotheRight', () => {
    it('does nothing if the input is already the right most element', () => {
      tokensContainer.innerHTML = FilteredSearchSpecHelper.createTokensContainerHTML(
        FilteredSearchSpecHelper.createFilterVisualTokenHTML('label', '=', 'none'),
      );

      jest.spyOn(subject, 'tokenizeInput').mockImplementation(() => {});
      jest.spyOn(subject, 'getLastVisualTokenBeforeInput');

      subject.moveInputToTheRight();

      expect(subject.tokenizeInput).toHaveBeenCalled();
      expect(subject.getLastVisualTokenBeforeInput).not.toHaveBeenCalled();
    });

    it("tokenize's input", () => {
      tokensContainer.innerHTML = `
        ${FilteredSearchSpecHelper.createNameOperatorFilterVisualTokenHTML('label', '=')}
        ${FilteredSearchSpecHelper.createInputHTML()}
        ${bugLabelToken.outerHTML}
      `;

      tokensContainer.querySelector('.filtered-search').value = 'none';

      subject.moveInputToTheRight();
      const value = tokensContainer.querySelector('.js-visual-token .value');

      expect(value.innerText).toEqual('none');
    });

    it('converts input into search term token if last token is valid', () => {
      tokensContainer.innerHTML = `
        ${FilteredSearchSpecHelper.createFilterVisualTokenHTML('label', '=', 'none')}
        ${FilteredSearchSpecHelper.createInputHTML()}
        ${bugLabelToken.outerHTML}
      `;

      document.querySelector('.filtered-search').value = 'test';

      subject.moveInputToTheRight();
      const searchValue = tokensContainer.querySelector('.filtered-search-term .name');

      expect(searchValue.innerText).toEqual('test');
    });

    it('moves the input to the right most element', () => {
      tokensContainer.innerHTML = `
        ${FilteredSearchSpecHelper.createFilterVisualTokenHTML('label', '=', 'none')}
        ${FilteredSearchSpecHelper.createInputHTML()}
        ${bugLabelToken.outerHTML}
      `;

      subject.moveInputToTheRight();

      expect(tokensContainer.children[2].querySelector('.filtered-search')).not.toEqual(null);
    });

    it('tokenizes input even if input is the right most element', () => {
      tokensContainer.innerHTML = `
        ${FilteredSearchSpecHelper.createFilterVisualTokenHTML('label', '=', 'none')}
        ${FilteredSearchSpecHelper.createNameOperatorFilterVisualTokenHTML('label')}
        ${FilteredSearchSpecHelper.createInputHTML('', '~bug')}
      `;

      subject.moveInputToTheRight();

      const token = tokensContainer.children[1];

      expect(token.querySelector('.value').innerText).toEqual('~bug');
    });
  });

  describe('renderVisualTokenValue', () => {
    beforeEach(() => {
      tokensContainer.innerHTML = FilteredSearchSpecHelper.createTokensContainerHTML(`
        ${authorToken.outerHTML}
        ${bugLabelToken.outerHTML}
      `);
    });

    it('renders a author token value element', () => {
      const { tokenNameElement, tokenValueElement } = findElements(authorToken);
      const tokenName = tokenNameElement.textContent;
      const tokenValue = 'new value';

      subject.renderVisualTokenValue(authorToken, tokenName, tokenValue);

      jest.runOnlyPendingTimers();

      setImmediate(() => {
        expect(tokenValueElement.textContent).toBe(tokenValue);
      });
    });
  });
});