diff options
Diffstat (limited to 'spec/javascripts/pager_spec.js')
-rw-r--r-- | spec/javascripts/pager_spec.js | 90 |
1 files changed, 90 insertions, 0 deletions
diff --git a/spec/javascripts/pager_spec.js b/spec/javascripts/pager_spec.js new file mode 100644 index 00000000000..d966226909b --- /dev/null +++ b/spec/javascripts/pager_spec.js @@ -0,0 +1,90 @@ +/* global fixture */ + +require('~/pager'); + +describe('pager', () => { + const Pager = window.Pager; + + it('is defined on window', () => { + expect(window.Pager).toBeDefined(); + }); + + describe('init', () => { + const originalHref = window.location.href; + + beforeEach(() => { + setFixtures('<div class="content_list"></div><div class="loading"></div>'); + spyOn($, 'ajax'); + }); + + afterEach(() => { + window.history.replaceState({}, null, originalHref); + }); + + it('should use data-href attribute from list element', () => { + const href = `${gl.TEST_HOST}/some_list.json`; + setFixtures(`<div class="content_list" data-href="${href}"></div>`); + Pager.init(); + expect(Pager.url).toBe(href); + }); + + it('should use current url if data-href attribute not provided', () => { + const href = `${gl.TEST_HOST}/some_list`; + spyOn(gl.utils, 'removeParams').and.returnValue(href); + Pager.init(); + expect(Pager.url).toBe(href); + }); + + it('should get initial offset from query parameter', () => { + window.history.replaceState({}, null, '?offset=100'); + Pager.init(); + expect(Pager.offset).toBe(100); + }); + + it('keeps extra query parameters from url', () => { + window.history.replaceState({}, null, '?filter=test&offset=100'); + const href = `${gl.TEST_HOST}/some_list?filter=test`; + spyOn(gl.utils, 'removeParams').and.returnValue(href); + Pager.init(); + expect(gl.utils.removeParams).toHaveBeenCalledWith(['limit', 'offset']); + expect(Pager.url).toEqual(href); + }); + }); + + describe('getOld', () => { + beforeEach(() => { + setFixtures('<div class="content_list" data-href="/some_list"></div><div class="loading"></div>'); + Pager.init(); + }); + + it('shows loader while loading next page', () => { + spyOn(Pager.loading, 'show'); + Pager.getOld(); + expect(Pager.loading.show).toHaveBeenCalled(); + }); + + it('hides loader on success', () => { + spyOn($, 'ajax').and.callFake(options => options.success({})); + spyOn(Pager.loading, 'hide'); + Pager.getOld(); + expect(Pager.loading.hide).toHaveBeenCalled(); + }); + + it('hides loader on error', () => { + spyOn($, 'ajax').and.callFake(options => options.error()); + spyOn(Pager.loading, 'hide'); + Pager.getOld(); + expect(Pager.loading.hide).toHaveBeenCalled(); + }); + + it('sends request to url with offset and limit params', () => { + spyOn($, 'ajax'); + Pager.offset = 100; + Pager.limit = 20; + Pager.getOld(); + const [{ data, url }] = $.ajax.calls.argsFor(0); + expect(data).toBe('limit=20&offset=100'); + expect(url).toBe('/some_list'); + }); + }); +}); |