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Diffstat (limited to 'web')
-rw-r--r-- | web/src/js/__tests__/ducks/utils/storeSpec.js | 86 |
1 files changed, 86 insertions, 0 deletions
diff --git a/web/src/js/__tests__/ducks/utils/storeSpec.js b/web/src/js/__tests__/ducks/utils/storeSpec.js new file mode 100644 index 00000000..6bfea2c7 --- /dev/null +++ b/web/src/js/__tests__/ducks/utils/storeSpec.js @@ -0,0 +1,86 @@ +jest.unmock('../../../ducks/utils/store') + +import reduceStore, * as storeActions from '../../../ducks/utils/store' + +describe('store reducer', () => { + it('should return initial state', () => { + expect(reduceStore(undefined, {})).toEqual({ + byId: {}, + list: [], + listIndex: {}, + view: [], + viewIndex: {}, + }) + }) + + it('should handle add action', () => { + let a = {id: 1}, + b = {id: 9}, + state = reduceStore(undefined, {}) + expect(state = reduceStore(state, storeActions.add(a))).toEqual({ + byId: { 1: a }, + listIndex: { 1: 0 }, + list: [ a ], + view: [ a ], + viewIndex: { 1: 0 }, + }) + + expect(reduceStore(state, storeActions.add(b))).toEqual({ + byId: { 1: a, 9: b }, + listIndex: { 1: 0, 9: 1 }, + list: [ a, b ], + view: [ a, b ], + viewIndex: { 1: 0, 9: 1 }, + }) + }) + + it('should not add the item with duplicated id', () => { + let a = {id: 1}, + state = reduceStore(undefined, storeActions.add(a)) + expect(reduceStore(state, storeActions.add(a))).toEqual(state) + }) + + it('should handle update action', () => { + let a = {id: 1, foo: "foo"}, + updated = {...a, foo: "bar"}, + state = reduceStore(undefined, storeActions.add(a)) + expect(reduceStore(state, storeActions.update(updated))).toEqual({ + byId: { 1: updated }, + list: [ updated ], + listIndex: { 1: 0 }, + view: [ updated ], + viewIndex: { 1: 0 }, + }) + }) + + it('should handle update action with filter', () => { + let a = {id: 0}, + b = {id: 1}, + state = reduceStore(undefined, storeActions.add(a)) + state = reduceStore(state, storeActions.add(b)) + expect(reduceStore(state, storeActions.update(b, + item => {return item.id < 1}))).toEqual({ + byId: { 0: a, 1: b }, + list: [ a, b ], + listIndex: { 0: 0, 1: 1 }, + view: [ a ], + viewIndex: { 0: 0 } + }) + }) + + it('should handle update action with sort', () => { + let a = {id: 2}, + b = {id: 3}, + state = reduceStore(undefined, storeActions.add(a)) + state = reduceStore(state, storeActions.add(b)) + expect(reduceStore(state, storeActions.update(a, undefined, + (a, b) => {return b.id - a.id}))).toEqual({ + // sort by id in descending order + byId: { 2: a, 3: b }, + list: [ a, b ], + listIndex: {2: 0, 3: 1}, + view: [ b, a ], + viewIndex: { 2: 1, 3: 0 }, + }) + }) +}) |