mutator.test.ts

TLDR

This file (mutator.test.ts) contains tests for the mutator module in the project. It tests the functionality of the changePropertyValue and duplicateCard methods.

Methods

changePropertyValue

This method tests the behavior of the changePropertyValue function in the mutator module. It creates a test board and card, and then calls changePropertyValue with different property values. The test verifies that the API is not called when the property value doesn't change, and that the API is called once when the property value does change.

duplicateCard

This method tests the behavior of the duplicateCard function in the mutator module. It creates a test board and card, and then calls duplicateCard with the card ID and board ID. The test verifies that the returned blocks contain the duplicated card with the correct properties.

// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
// See LICENSE.txt for license information.

import mutator from './mutator'
import {TestBlockFactory} from './test/testBlockFactory'
import 'isomorphic-fetch'
import {FetchMock} from './test/fetchMock'
import {mockDOM} from './testUtils'

global.fetch = FetchMock.fn

beforeEach(() => {
    FetchMock.fn.mockReset()
})

beforeAll(() => {
    mockDOM()
})

describe('Mutator', () => {
    test('changePropertyValue', async () => {
        const board = TestBlockFactory.createBoard()
        const card = TestBlockFactory.createCard()
        card.boardId = board.id
        card.fields.properties.property_1 = 'hello'

        await mutator.changePropertyValue(board.id, card, 'property_1', 'hello')

        // No API call should be made as property value DIDN'T CHANGE
        expect(FetchMock.fn).toBeCalledTimes(0)

        await mutator.changePropertyValue(board.id, card, 'property_1', 'hello world')

        // 1 API call should be made as property value DID CHANGE
        expect(FetchMock.fn).toBeCalledTimes(1)
    })

    test('duplicateCard', async () => {
        const board = TestBlockFactory.createBoard()
        const card = TestBlockFactory.createCard(board)

        FetchMock.fn.mockReturnValueOnce(FetchMock.jsonResponse(JSON.stringify([card])))
        const [newBlocks, newCardID] = await mutator.duplicateCard(card.id, board.id)

        expect(newBlocks).toHaveLength(1)

        const duplicatedCard = newBlocks[0]
        expect(duplicatedCard.type).toBe('card')
        expect(duplicatedCard.id).toBe(newCardID)
        expect(duplicatedCard.fields.icon).toBe(card.fields.icon)
        expect(duplicatedCard.fields.contentOrder).toHaveLength(card.fields.contentOrder.length)
        expect(duplicatedCard.boardId).toBe(board.id)
    })
})