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90 lines
2.8 KiB
90 lines
2.8 KiB
import React from 'react'
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import assert from 'assert'
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import { shallow } from 'enzyme'
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import sinon from 'sinon'
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import AmountMaxButton from '../amount-max-button.component.js'
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const propsMethodSpies = {
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setAmountToMax: sinon.spy(),
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setMaxModeTo: sinon.spy(),
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}
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const MOCK_EVENT = { preventDefault: () => {} }
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sinon.spy(AmountMaxButton.prototype, 'setMaxAmount')
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describe('AmountMaxButton Component', function () {
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let wrapper
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let instance
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beforeEach(() => {
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wrapper = shallow(<AmountMaxButton
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balance={'mockBalance'}
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gasTotal={'mockGasTotal'}
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maxModeOn={false}
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selectedToken={ { address: 'mockTokenAddress' } }
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setAmountToMax={propsMethodSpies.setAmountToMax}
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setMaxModeTo={propsMethodSpies.setMaxModeTo}
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tokenBalance={'mockTokenBalance'}
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/>, { context: { t: str => str + '_t' } })
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instance = wrapper.instance()
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})
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afterEach(() => {
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propsMethodSpies.setAmountToMax.resetHistory()
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propsMethodSpies.setMaxModeTo.resetHistory()
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AmountMaxButton.prototype.setMaxAmount.resetHistory()
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})
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describe('setMaxAmount', () => {
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it('should call setAmountToMax with the correct params', () => {
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assert.equal(propsMethodSpies.setAmountToMax.callCount, 0)
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instance.setMaxAmount()
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assert.equal(propsMethodSpies.setAmountToMax.callCount, 1)
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assert.deepEqual(
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propsMethodSpies.setAmountToMax.getCall(0).args,
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[{
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balance: 'mockBalance',
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gasTotal: 'mockGasTotal',
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selectedToken: { address: 'mockTokenAddress' },
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tokenBalance: 'mockTokenBalance',
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}]
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)
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})
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})
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describe('render', () => {
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it('should render a div with a send-v2__amount-max class', () => {
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assert.equal(wrapper.find('.send-v2__amount-max').length, 1)
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assert(wrapper.find('.send-v2__amount-max').is('div'))
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})
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it('should call setMaxModeTo and setMaxAmount when the send-v2__amount-max div is clicked', () => {
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const {
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onClick,
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} = wrapper.find('.send-v2__amount-max').props()
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assert.equal(AmountMaxButton.prototype.setMaxAmount.callCount, 0)
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assert.equal(propsMethodSpies.setMaxModeTo.callCount, 0)
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onClick(MOCK_EVENT)
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assert.equal(AmountMaxButton.prototype.setMaxAmount.callCount, 1)
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assert.equal(propsMethodSpies.setMaxModeTo.callCount, 1)
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assert.deepEqual(
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propsMethodSpies.setMaxModeTo.getCall(0).args,
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[true]
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)
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})
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it('should not render text when maxModeOn is true', () => {
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wrapper.setProps({ maxModeOn: true })
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assert.equal(wrapper.find('.send-v2__amount-max').text(), '')
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})
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it('should render the expected text when maxModeOn is false', () => {
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wrapper.setProps({ maxModeOn: false })
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assert.equal(wrapper.find('.send-v2__amount-max').text(), 'max_t')
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})
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})
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})
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