catalog-ui/src/app/ng2/pages/composition/graph/common/style/component-instances-nodes-style.spec.ts

   1 import {async} from "@angular/core/testing";
   2 import {ComponentInstanceNodesStyle} from "./component-instances-nodes-style";
   3
   4
   5 describe('component instance nodes style component', () => {
   6
   7     beforeEach(
   8         async(() => {
   9             const createElement = document.createElement.bind(document);
  10             document.createElement = (tagName) => {
  11                 if (tagName === 'canvas') {
  12                     return {
  13                         getContext: () => ({
  14                             font: "",
  15                             measureText: (x) => ({width: x.length})
  16                         }),
  17                     };
  18                 }
  19                 return createElement(tagName);
  20             };
  21         })
  22     );
  23
  24     it('verify getGraphDisplayName for String.length smaller than 67 chars', () => {
  25         let inputString = 'SomeText';
  26         let expectedRes = inputString;
  27         let res = ComponentInstanceNodesStyle.getGraphDisplayName(inputString);
  28         expect(res).toBe(expectedRes);
  29     });
  30
  31     it('verify getGraphDisplayName for String.length greater than 67 chars', () => {
  32         let inputString = 'AAAAAAAAAABBBBBBBBBBCCCCCCCCCCDDDDDDDDDDEEEEEEEEEEFFFFFFFFFFGGGGGGGGGG12345678';
  33         let expectedRes = 'AAAAAAAAAABBBBBBBBBBCCCCCCCCCCDDDDDDDDDDEEEEEEEEEEFFFFFFFFF...';
  34         let res = ComponentInstanceNodesStyle.getGraphDisplayName(inputString);
  35         expect(res).toBe(expectedRes);
  36     });
  37 }