start of tests

src/app/shared/menu/menu.service.spec.ts

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+import * as ngrx from '@ngrx/store';
+import { Store } from '@ngrx/store';
+import { async, TestBed } from '@angular/core/testing';
+import { MenuService } from './menu.service';
+import { cold, hot } from 'jasmine-marbles';
+import { MenuID } from './initial-menus-state';
+import { of as observableOf } from 'rxjs';
+
+fdescribe('MenuService', () => {
+  let service: MenuService;
+  let selectSpy;
+  const store = observableOf({}) as any;
+  const fakeMenu = { id: MenuID.ADMIN } as any;
+  const visibleSection1 = {
+    id: 'section',
+    visible: true
+  };
+  const visibleSection2 = {
+    id: 'section_2',
+    visible: true
+  };
+  const hiddenSection3 = {
+    id: 'section_3',
+    visible: false
+  };
+  const subSection4 = {
+    id: 'section_4',
+    visible: true,
+    parentID: 'section1'
+  };
+
+  const topSections = {
+    section: visibleSection1,
+    section_2: visibleSection2,
+    section_3: hiddenSection3,
+    section_4: subSection4
+  };
+
+  beforeEach(async(() => {
+    TestBed.configureTestingModule({
+      providers: [
+        { provide: Store, useValue: store },
+        { provide: MenuService, useValue: service }
+      ]
+    }).compileComponents();
+  }));
+
+  beforeEach(() => {
+    service = new MenuService(store);
+    selectSpy = spyOnProperty(ngrx, 'select');
+  });
+
+  describe('getMenu', () => {
+    beforeEach(() => {
+      selectSpy.and.callFake(() => {
+        return () => {
+          return () => hot('a', {
+              a: fakeMenu
+            }
+          );
+        };
+      });
+    });
+    it('should return the menu', () => {
+
+      const result = service.getMenu(MenuID.ADMIN);
+      const expected = cold('b', {
+        b: fakeMenu
+      });
+
+      expect(result).toBeObservable(expected);
+    })
+  });
+
+  describe('getMenuTopSections', () => {
+    beforeEach(() => {
+      selectSpy.and.callFake(() => {
+        return () => {
+          return () => hot('a', {
+              a: topSections
+            }
+          );
+        };
+      });
+    });
+    it('should return only the visible top MenuSections', () => {
+
+      const result = service.getMenuTopSections(MenuID.ADMIN);
+      const expected = cold('b', {
+        b: [visibleSection1, visibleSection2]
+      });
+
+      expect(result).toBeObservable(expected);
+    })
+  });
+
+  // TODO finish this test
+  describe('getSubSectionsByParentID', () => {
+    beforeEach(() => {
+      selectSpy.and.callFake(() => {
+        return () => {
+          return () => hot('a', {
+              a: topSections
+            }
+          );
+        };
+      });
+    });
+    it('should return only the visible top MenuSections', () => {
+
+      const result = service.getMenuTopSections(MenuID.ADMIN);
+      const expected = cold('b', {
+        b: [visibleSection1, visibleSection2]
+      });
+
+      expect(result).toBeObservable(expected);
+    })
+  })
+});