diff options
Tests for send.duck.js
Diffstat (limited to 'ui/app/ducks')
-rw-r--r-- | ui/app/ducks/send.duck.js | 16 | ||||
-rw-r--r-- | ui/app/ducks/tests/send-duck.test.js | 145 |
2 files changed, 154 insertions, 7 deletions
diff --git a/ui/app/ducks/send.duck.js b/ui/app/ducks/send.duck.js index aef493ea0..055cc05c1 100644 --- a/ui/app/ducks/send.duck.js +++ b/ui/app/ducks/send.duck.js @@ -16,32 +16,34 @@ const initState = { // Reducer export default function reducer ({ send: sendState = initState }, action = {}) { + const newState = extend({}, sendState) + switch (action.type) { case OPEN_FROM_DROPDOWN: - return extend(sendState, { + return extend(newState, { fromDropdownOpen: true, }) case CLOSE_FROM_DROPDOWN: - return extend(sendState, { + return extend(newState, { fromDropdownOpen: false, }) case OPEN_TO_DROPDOWN: - return extend(sendState, { + return extend(newState, { toDropdownOpen: true, }) case CLOSE_TO_DROPDOWN: - return extend(sendState, { + return extend(newState, { toDropdownOpen: false, }) case UPDATE_SEND_ERRORS: - return extend(sendState, { + return extend(newState, { errors: { - ...sendState.errors, + ...newState.errors, ...action.value, }, }) default: - return sendState + return newState } } diff --git a/ui/app/ducks/tests/send-duck.test.js b/ui/app/ducks/tests/send-duck.test.js new file mode 100644 index 000000000..c06cf55d2 --- /dev/null +++ b/ui/app/ducks/tests/send-duck.test.js @@ -0,0 +1,145 @@ +import assert from 'assert' + +import SendReducer, { + openFromDropdown, + closeFromDropdown, + openToDropdown, + closeToDropdown, + updateSendErrors, +} from '../send.duck.js' + +describe('Send Duck', () => { + const mockState = { + send: { + mockProp: 123, + }, + } + const initState = { + fromDropdownOpen: false, + toDropdownOpen: false, + errors: {}, + } + const OPEN_FROM_DROPDOWN = 'metamask/send/OPEN_FROM_DROPDOWN' + const CLOSE_FROM_DROPDOWN = 'metamask/send/CLOSE_FROM_DROPDOWN' + const OPEN_TO_DROPDOWN = 'metamask/send/OPEN_TO_DROPDOWN' + const CLOSE_TO_DROPDOWN = 'metamask/send/CLOSE_TO_DROPDOWN' + const UPDATE_SEND_ERRORS = 'metamask/send/UPDATE_SEND_ERRORS' + + describe('SendReducer()', () => { + it('should initialize state', () => { + assert.deepEqual( + SendReducer({}), + initState + ) + }) + + it('should return state unchanged if it does not match a dispatched actions type', () => { + assert.deepEqual( + SendReducer(mockState, { + type: 'someOtherAction', + value: 'someValue', + }), + Object.assign({}, mockState.send) + ) + }) + + it('should set fromDropdownOpen to true when receiving a OPEN_FROM_DROPDOWN action', () => { + assert.deepEqual( + SendReducer(mockState, { + type: OPEN_FROM_DROPDOWN, + }), + Object.assign({fromDropdownOpen: true}, mockState.send) + ) + }) + + it('should return a new object (and not just modify the existing state object)', () => { + assert.deepEqual(SendReducer(mockState), mockState.send) + assert.notEqual(SendReducer(mockState), mockState.send) + }) + + it('should set fromDropdownOpen to false when receiving a CLOSE_FROM_DROPDOWN action', () => { + assert.deepEqual( + SendReducer(mockState, { + type: CLOSE_FROM_DROPDOWN, + }), + Object.assign({fromDropdownOpen: false}, mockState.send) + ) + }) + + it('should set toDropdownOpen to true when receiving a OPEN_TO_DROPDOWN action', () => { + assert.deepEqual( + SendReducer(mockState, { + type: OPEN_TO_DROPDOWN, + }), + Object.assign({toDropdownOpen: true}, mockState.send) + ) + }) + + it('should set toDropdownOpen to false when receiving a CLOSE_TO_DROPDOWN action', () => { + assert.deepEqual( + SendReducer(mockState, { + type: CLOSE_TO_DROPDOWN, + }), + Object.assign({toDropdownOpen: false}, mockState.send) + ) + }) + + it('should extend send.errors with the value of a UPDATE_SEND_ERRORS action', () => { + const modifiedMockState = Object.assign({}, mockState, { + send: { + errors: { + someError: false, + }, + }, + }) + assert.deepEqual( + SendReducer(modifiedMockState, { + type: UPDATE_SEND_ERRORS, + value: { someOtherError: true }, + }), + Object.assign({}, modifiedMockState.send, { + errors: { + someError: false, + someOtherError: true, + }, + }) + ) + }) + }) + + describe('openFromDropdown', () => { + assert.deepEqual( + openFromDropdown(), + { type: OPEN_FROM_DROPDOWN } + ) + }) + + describe('closeFromDropdown', () => { + assert.deepEqual( + closeFromDropdown(), + { type: CLOSE_FROM_DROPDOWN } + ) + }) + + describe('openToDropdown', () => { + assert.deepEqual( + openToDropdown(), + { type: OPEN_TO_DROPDOWN } + ) + }) + + describe('closeToDropdown', () => { + assert.deepEqual( + closeToDropdown(), + { type: CLOSE_TO_DROPDOWN } + ) + }) + + describe('updateSendErrors', () => { + assert.deepEqual( + updateSendErrors('mockErrorObject'), + { type: UPDATE_SEND_ERRORS, value: 'mockErrorObject' } + ) + }) + +}) |