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import bp from '~/breakpoints';
import { isMobile, getTopFrequentItems, updateExistingFrequentItem } from '~/frequent_items/utils';
import { HOUR_IN_MS, FREQUENT_ITEMS } from '~/frequent_items/constants';
import { mockProject, unsortedFrequentItems, sortedFrequentItems } from './mock_data';
describe('Frequent Items utils spec', () => {
describe('isMobile', () => {
it('returns true when the screen is small ', () => {
spyOn(bp, 'getBreakpointSize').and.returnValue('sm');
expect(isMobile()).toBe(true);
});
it('returns true when the screen is extra-small ', () => {
spyOn(bp, 'getBreakpointSize').and.returnValue('xs');
expect(isMobile()).toBe(true);
});
it('returns false when the screen is larger than small ', () => {
spyOn(bp, 'getBreakpointSize').and.returnValue('md');
expect(isMobile()).toBe(false);
});
});
describe('getTopFrequentItems', () => {
it('returns empty array if no items provided', () => {
const result = getTopFrequentItems();
expect(result.length).toBe(0);
});
it('returns correct amount of items for mobile', () => {
spyOn(bp, 'getBreakpointSize').and.returnValue('sm');
const result = getTopFrequentItems(unsortedFrequentItems);
expect(result.length).toBe(FREQUENT_ITEMS.LIST_COUNT_MOBILE);
});
it('returns correct amount of items for desktop', () => {
spyOn(bp, 'getBreakpointSize').and.returnValue('lg');
const result = getTopFrequentItems(unsortedFrequentItems);
expect(result.length).toBe(FREQUENT_ITEMS.LIST_COUNT_DESKTOP);
});
it('sorts frequent items in order of frequency and lastAccessedOn', () => {
spyOn(bp, 'getBreakpointSize').and.returnValue('lg');
const result = getTopFrequentItems(unsortedFrequentItems);
const expectedResult = sortedFrequentItems.slice(0, FREQUENT_ITEMS.LIST_COUNT_DESKTOP);
expect(result).toEqual(expectedResult);
});
});
describe('updateExistingFrequentItem', () => {
let mockedProject;
beforeEach(() => {
mockedProject = {
...mockProject,
frequency: 1,
lastAccessedOn: 1497979281815,
};
});
it('updates item if accessed over an hour ago', () => {
const newTimestamp = Date.now() + HOUR_IN_MS + 1;
const newItem = {
...mockedProject,
lastAccessedOn: newTimestamp,
};
const result = updateExistingFrequentItem(mockedProject, newItem);
expect(result.frequency).toBe(mockedProject.frequency + 1);
});
it('does not update item if accessed within the hour', () => {
const newItem = {
...mockedProject,
lastAccessedOn: mockedProject.lastAccessedOn + HOUR_IN_MS,
};
const result = updateExistingFrequentItem(mockedProject, newItem);
expect(result.frequency).toBe(mockedProject.frequency);
});
});
});
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