Function treeTests

web/regression/javascript/tree/tree_spec.js:16–143

(treeClass, setDefaultCallBack)

const context = describe;

const treeTests = (treeClass, setDefaultCallBack) => {
  let tree;
  beforeEach(() => {
    let manageTree = new ManageTreeNodes();
    let reactTree = {'onTreeEvents': jest.fn(), 'getActiveFile': jest.fn()};
    tree = new treeClass(reactTree, manageTree);
  });

  describe('#addNewNode', () => {
    beforeEach(() => {
      tree.rootNode = new TreeNode(undefined, {});
    });
    describe('when add a new root element', () => {
      context('using undefined as the parent', () => {
        beforeEach(() => {
          tree.addNewNode('some new node', {data: 'interesting'}, undefined, undefined);
        });

        it('can be retrieved', () => {
          const node = tree.findNode('/browser/some new node');
          expect(node.data).toEqual({data: 'interesting'});
        });

        it('return false for #hasParent()', () => {
          const node = tree.findNode('/browser/some new node');
          expect(node.hasParent()).toEqual(false);
        });

        it('return null for #parent()', () => {
          const node = tree.findNode('/browser/some new node');
          expect(node.parent()).toBeNull();
        });
      });

      context('using null as the parent', () => {
        beforeEach(() => {
          tree.addNewNode('some new node', {data: 'interesting'}, undefined, null);
        });

        it('can be retrieved', () => {
          const node = tree.findNode('/browser/some new node');
          expect(node.data).toEqual({data: 'interesting'});
        });

        it('return false for #hasParent()', () => {
          const node = tree.findNode('/browser/some new node');
          expect(node.hasParent()).toEqual(false);
        });

        it('return null for #parent()', () => {
          const node = tree.findNode('/browser/some new node');
          expect(node.parent()).toBeNull();
        });
      });
    });

    describe('when add a new element as a child', () => {
      let parentNode;