Merge pull request #6484 from MetaMask/develop

Update master branch with develop (v6.4.0)

12 files changed, 754 insertions, 0 deletions

diff --git a/ui/app/pages/send/send-content/send-gas-row/README.md b/ui/app/pages/send/send-content/send-gas-row/README.md
new file mode 100644
index 000000000..e69de29bb
--- /dev/null
+++ b/ui/app/pages/send/send-content/send-gas-row/README.md
diff --git a/ui/app/pages/send/send-content/send-gas-row/gas-fee-display/gas-fee-display.component.js b/ui/app/pages/send/send-content/send-gas-row/gas-fee-display/gas-fee-display.component.js
new file mode 100644
index 000000000..3f5587318
--- /dev/null
+++ b/ui/app/pages/send/send-content/send-gas-row/gas-fee-display/gas-fee-display.component.js
@@ -0,0 +1,57 @@
+import React, {Component} from 'react'
+import PropTypes from 'prop-types'
+import UserPreferencedCurrencyDisplay from '../../../../../components/app/user-preferenced-currency-display'
+import { PRIMARY, SECONDARY } from '../../../../../helpers/constants/common'
+
+export default class GasFeeDisplay extends Component {
+
+  static propTypes = {
+    conversionRate: PropTypes.number,
+    primaryCurrency: PropTypes.string,
+    convertedCurrency: PropTypes.string,
+    gasLoadingError: PropTypes.bool,
+    gasTotal: PropTypes.string,
+    onReset: PropTypes.func,
+  };
+
+  static contextTypes = {
+    t: PropTypes.func,
+  };
+
+  render () {
+    const { gasTotal, gasLoadingError, onReset } = this.props
+
+    return (
+      <div className="send-v2__gas-fee-display">
+        {gasTotal
+          ? (
+            <div className="currency-display">
+              <UserPreferencedCurrencyDisplay
+                value={gasTotal}
+                type={PRIMARY}
+              />
+              <UserPreferencedCurrencyDisplay
+                className="currency-display__converted-value"
+                value={gasTotal}
+                type={SECONDARY}
+              />
+            </div>
+          )
+          : gasLoadingError
+            ? <div className="currency-display.currency-display--message">
+                {this.context.t('setGasPrice')}
+              </div>
+            : <div className="currency-display">
+                {this.context.t('loading')}
+              </div>
+        }
+        <button
+          className="gas-fee-reset"
+          onClick={onReset}
+        >
+          { this.context.t('reset') }
+        </button>
+      </div>
+    )
+  }
+}
diff --git a/ui/app/pages/send/send-content/send-gas-row/gas-fee-display/index.js b/ui/app/pages/send/send-content/send-gas-row/gas-fee-display/index.js
new file mode 100644
index 000000000..dba0edb7b
--- /dev/null
+++ b/ui/app/pages/send/send-content/send-gas-row/gas-fee-display/index.js
@@ -0,0 +1 @@
+export { default } from './gas-fee-display.component'
diff --git a/ui/app/pages/send/send-content/send-gas-row/gas-fee-display/test/gas-fee-display.component.test.js b/ui/app/pages/send/send-content/send-gas-row/gas-fee-display/test/gas-fee-display.component.test.js
new file mode 100644
index 000000000..eedd43221
--- /dev/null
+++ b/ui/app/pages/send/send-content/send-gas-row/gas-fee-display/test/gas-fee-display.component.test.js
@@ -0,0 +1,61 @@
+import React from 'react'
+import assert from 'assert'
+import {shallow} from 'enzyme'
+import GasFeeDisplay from '../gas-fee-display.component'
+import UserPreferencedCurrencyDisplay from '../../../../../../components/app/user-preferenced-currency-display'
+import sinon from 'sinon'
+
+
+const propsMethodSpies = {
+  showCustomizeGasModal: sinon.spy(),
+  onReset: sinon.spy(),
+}
+
+describe('GasFeeDisplay Component', function () {
+  let wrapper
+
+  beforeEach(() => {
+    wrapper = shallow(<GasFeeDisplay
+      conversionRate={20}
+      gasTotal={'mockGasTotal'}
+      primaryCurrency={'mockPrimaryCurrency'}
+      convertedCurrency={'mockConvertedCurrency'}
+      showGasButtonGroup={propsMethodSpies.showCustomizeGasModal}
+      onReset={propsMethodSpies.onReset}
+    />, {context: {t: str => str + '_t'}})
+  })
+
+  afterEach(() => {
+    propsMethodSpies.showCustomizeGasModal.resetHistory()
+  })
+
+  describe('render', () => {
+    it('should render a CurrencyDisplay component', () => {
+      assert.equal(wrapper.find(UserPreferencedCurrencyDisplay).length, 2)
+    })
+
+    it('should render the CurrencyDisplay with the correct props', () => {
+      const {
+        type,
+        value,
+      } = wrapper.find(UserPreferencedCurrencyDisplay).at(0).props()
+      assert.equal(type, 'PRIMARY')
+      assert.equal(value, 'mockGasTotal')
+    })
+
+    it('should render the reset button with the correct props', () => {
+      const {
+        onClick,
+        className,
+      } = wrapper.find('button').props()
+      assert.equal(className, 'gas-fee-reset')
+      assert.equal(propsMethodSpies.onReset.callCount, 0)
+      onClick()
+      assert.equal(propsMethodSpies.onReset.callCount, 1)
+    })
+
+    it('should render the reset button with the correct text', () => {
+      assert.equal(wrapper.find('button').text(), 'reset_t')
+    })
+  })
+})
diff --git a/ui/app/pages/send/send-content/send-gas-row/index.js b/ui/app/pages/send/send-content/send-gas-row/index.js
new file mode 100644
index 000000000..3c7ff1d5f
--- /dev/null
+++ b/ui/app/pages/send/send-content/send-gas-row/index.js
@@ -0,0 +1 @@
+export { default } from './send-gas-row.container'
diff --git a/ui/app/pages/send/send-content/send-gas-row/send-gas-row.component.js b/ui/app/pages/send/send-content/send-gas-row/send-gas-row.component.js
new file mode 100644
index 000000000..1b850ac57
--- /dev/null
+++ b/ui/app/pages/send/send-content/send-gas-row/send-gas-row.component.js
@@ -0,0 +1,131 @@
+import React, { Component } from 'react'
+import PropTypes from 'prop-types'
+import SendRowWrapper from '../send-row-wrapper'
+import GasFeeDisplay from './gas-fee-display/gas-fee-display.component'
+import GasPriceButtonGroup from '../../../../components/app/gas-customization/gas-price-button-group'
+import AdvancedGasInputs from '../../../../components/app/gas-customization/advanced-gas-inputs'
+
+export default class SendGasRow extends Component {
+
+  static propTypes = {
+    conversionRate: PropTypes.number,
+    convertedCurrency: PropTypes.string,
+    gasFeeError: PropTypes.bool,
+    gasLoadingError: PropTypes.bool,
+    gasTotal: PropTypes.string,
+    showCustomizeGasModal: PropTypes.func,
+    setGasPrice: PropTypes.func,
+    setGasLimit: PropTypes.func,
+    gasPriceButtonGroupProps: PropTypes.object,
+    gasButtonGroupShown: PropTypes.bool,
+    advancedInlineGasShown: PropTypes.bool,
+    resetGasButtons: PropTypes.func,
+    gasPrice: PropTypes.string,
+    gasLimit: PropTypes.string,
+    insufficientBalance: PropTypes.bool,
+  }
+
+  static contextTypes = {
+    t: PropTypes.func,
+    metricsEvent: PropTypes.func,
+  };
+
+  renderAdvancedOptionsButton () {
+    const { metricsEvent } = this.context
+    const { showCustomizeGasModal } = this.props
+    return <div className="advanced-gas-options-btn" onClick={() => {
+      metricsEvent({
+        eventOpts: {
+          category: 'Transactions',
+          action: 'Edit Screen',
+          name: 'Clicked "Advanced Options"',
+        },
+      })
+      showCustomizeGasModal()
+    }}>
+      { this.context.t('advancedOptions') }
+    </div>
+  }
+
+  renderContent () {
+    const {
+      conversionRate,
+      convertedCurrency,
+      gasLoadingError,
+      gasTotal,
+      showCustomizeGasModal,
+      gasPriceButtonGroupProps,
+      gasButtonGroupShown,
+      advancedInlineGasShown,
+      resetGasButtons,
+      setGasPrice,
+      setGasLimit,
+      gasPrice,
+      gasLimit,
+      insufficientBalance,
+    } = this.props
+    const { metricsEvent } = this.context
+
+    const gasPriceButtonGroup = <div>
+        <GasPriceButtonGroup
+          className="gas-price-button-group--small"
+          showCheck={false}
+          {...gasPriceButtonGroupProps}
+          handleGasPriceSelection={(...args) => {
+            metricsEvent({
+              eventOpts: {
+                category: 'Transactions',
+                action: 'Edit Screen',
+                name: 'Changed Gas Button',
+              },
+            })
+            gasPriceButtonGroupProps.handleGasPriceSelection(...args)
+          }}
+        />
+        { this.renderAdvancedOptionsButton() }
+      </div>
+    const gasFeeDisplay = <GasFeeDisplay
+      conversionRate={conversionRate}
+      convertedCurrency={convertedCurrency}
+      gasLoadingError={gasLoadingError}
+      gasTotal={gasTotal}
+      onReset={resetGasButtons}
+      onClick={() => showCustomizeGasModal()}
+    />
+    const advancedGasInputs = <div>
+      <AdvancedGasInputs
+        updateCustomGasPrice={newGasPrice => setGasPrice(newGasPrice, gasLimit)}
+        updateCustomGasLimit={newGasLimit => setGasLimit(newGasLimit, gasPrice)}
+        customGasPrice={gasPrice}
+        customGasLimit={gasLimit}
+        insufficientBalance={insufficientBalance}
+        customPriceIsSafe={true}
+        isSpeedUp={false}
+      />
+      { this.renderAdvancedOptionsButton() }
+     </div>
+
+    if (advancedInlineGasShown) {
+      return advancedGasInputs
+    } else if (gasButtonGroupShown) {
+      return gasPriceButtonGroup
+    } else {
+      return gasFeeDisplay
+    }
+  }
+
+  render () {
+    const { gasFeeError } = this.props
+
+    return (
+      <SendRowWrapper
+        label={`${this.context.t('transactionFee')}:`}
+        showError={gasFeeError}
+        errorType={'gasFee'}
+      >
+        { this.renderContent() }
+      </SendRowWrapper>
+    )
+  }
+
+}
diff --git a/ui/app/pages/send/send-content/send-gas-row/send-gas-row.container.js b/ui/app/pages/send/send-content/send-gas-row/send-gas-row.container.js
new file mode 100644
index 000000000..c4daa98af
--- /dev/null
+++ b/ui/app/pages/send/send-content/send-gas-row/send-gas-row.container.js
@@ -0,0 +1,118 @@
+import { connect } from 'react-redux'
+import {
+  getConversionRate,
+  getCurrentCurrency,
+  getGasTotal,
+  getGasPrice,
+  getGasLimit,
+  getSendAmount,
+} from '../../send.selectors.js'
+import {
+  isBalanceSufficient,
+  calcGasTotal,
+} from '../../send.utils.js'
+import {
+  getBasicGasEstimateLoadingStatus,
+  getRenderableEstimateDataForSmallButtonsFromGWEI,
+  getDefaultActiveButtonIndex,
+} from '../../../../selectors/custom-gas'
+import {
+  showGasButtonGroup,
+} from '../../../../ducks/send/send.duck'
+import {
+  resetCustomData,
+  setCustomGasPrice,
+  setCustomGasLimit,
+} from '../../../../ducks/gas/gas.duck'
+import { getGasLoadingError, gasFeeIsInError, getGasButtonGroupShown } from './send-gas-row.selectors.js'
+import { showModal, setGasPrice, setGasLimit, setGasTotal } from '../../../../store/actions'
+import { getAdvancedInlineGasShown, getCurrentEthBalance, getSelectedToken } from '../../../../selectors/selectors'
+import SendGasRow from './send-gas-row.component'
+
+export default connect(mapStateToProps, mapDispatchToProps, mergeProps)(SendGasRow)
+
+function mapStateToProps (state) {
+  const gasButtonInfo = getRenderableEstimateDataForSmallButtonsFromGWEI(state)
+  const gasPrice = getGasPrice(state)
+  const gasLimit = getGasLimit(state)
+  const activeButtonIndex = getDefaultActiveButtonIndex(gasButtonInfo, gasPrice)
+
+  const gasTotal = getGasTotal(state)
+  const conversionRate = getConversionRate(state)
+  const balance = getCurrentEthBalance(state)
+
+  const insufficientBalance = !isBalanceSufficient({
+    amount: getSelectedToken(state) ? '0x0' : getSendAmount(state),
+    gasTotal,
+    balance,
+    conversionRate,
+  })
+
+  return {
+    conversionRate,
+    convertedCurrency: getCurrentCurrency(state),
+    gasTotal,
+    gasFeeError: gasFeeIsInError(state),
+    gasLoadingError: getGasLoadingError(state),
+    gasPriceButtonGroupProps: {
+      buttonDataLoading: getBasicGasEstimateLoadingStatus(state),
+      defaultActiveButtonIndex: 1,
+      newActiveButtonIndex: activeButtonIndex > -1 ? activeButtonIndex : null,
+      gasButtonInfo,
+    },
+    gasButtonGroupShown: getGasButtonGroupShown(state),
+    advancedInlineGasShown: getAdvancedInlineGasShown(state),
+    gasPrice,
+    gasLimit,
+    insufficientBalance,
+  }
+}
+
+function mapDispatchToProps (dispatch) {
+  return {
+    showCustomizeGasModal: () => dispatch(showModal({ name: 'CUSTOMIZE_GAS', hideBasic: true })),
+    setGasPrice: (newPrice, gasLimit) => {
+      dispatch(setGasPrice(newPrice))
+      dispatch(setCustomGasPrice(newPrice))
+      if (gasLimit) {
+        dispatch(setGasTotal(calcGasTotal(gasLimit, newPrice)))
+      }
+    },
+    setGasLimit: (newLimit, gasPrice) => {
+      dispatch(setGasLimit(newLimit))
+      dispatch(setCustomGasLimit(newLimit))
+      if (gasPrice) {
+        dispatch(setGasTotal(calcGasTotal(newLimit, gasPrice)))
+      }
+    },
+    showGasButtonGroup: () => dispatch(showGasButtonGroup()),
+    resetCustomData: () => dispatch(resetCustomData()),
+  }
+}
+
+function mergeProps (stateProps, dispatchProps, ownProps) {
+  const { gasPriceButtonGroupProps } = stateProps
+  const { gasButtonInfo } = gasPriceButtonGroupProps
+  const {
+    setGasPrice: dispatchSetGasPrice,
+    showGasButtonGroup: dispatchShowGasButtonGroup,
+    resetCustomData: dispatchResetCustomData,
+    ...otherDispatchProps
+  } = dispatchProps
+
+  return {
+    ...stateProps,
+    ...otherDispatchProps,
+    ...ownProps,
+    gasPriceButtonGroupProps: {
+      ...gasPriceButtonGroupProps,
+      handleGasPriceSelection: dispatchSetGasPrice,
+    },
+    resetGasButtons: () => {
+      dispatchResetCustomData()
+      dispatchSetGasPrice(gasButtonInfo[1].priceInHexWei)
+      dispatchShowGasButtonGroup()
+    },
+    setGasPrice: dispatchSetGasPrice,
+  }
+}
diff --git a/ui/app/pages/send/send-content/send-gas-row/send-gas-row.scss b/ui/app/pages/send/send-content/send-gas-row/send-gas-row.scss
new file mode 100644
index 000000000..e69de29bb
--- /dev/null
+++ b/ui/app/pages/send/send-content/send-gas-row/send-gas-row.scss
diff --git a/ui/app/pages/send/send-content/send-gas-row/send-gas-row.selectors.js b/ui/app/pages/send/send-content/send-gas-row/send-gas-row.selectors.js
new file mode 100644
index 000000000..79c838543
--- /dev/null
+++ b/ui/app/pages/send/send-content/send-gas-row/send-gas-row.selectors.js
@@ -0,0 +1,19 @@
+const selectors = {
+  gasFeeIsInError,
+  getGasLoadingError,
+  getGasButtonGroupShown,
+}
+
+module.exports = selectors
+
+function getGasLoadingError (state) {
+  return state.send.errors.gasLoading
+}
+
+function gasFeeIsInError (state) {
+  return Boolean(state.send.errors.gasFee)
+}
+
+function getGasButtonGroupShown (state) {
+  return state.send.gasButtonGroupShown
+}
diff --git a/ui/app/pages/send/send-content/send-gas-row/tests/send-gas-row-component.test.js b/ui/app/pages/send/send-content/send-gas-row/tests/send-gas-row-component.test.js
new file mode 100644
index 000000000..0cbc92621
--- /dev/null
+++ b/ui/app/pages/send/send-content/send-gas-row/tests/send-gas-row-component.test.js
@@ -0,0 +1,104 @@
+import React from 'react'
+import assert from 'assert'
+import { shallow } from 'enzyme'
+import sinon from 'sinon'
+import SendGasRow from '../send-gas-row.component.js'
+
+import SendRowWrapper from '../../send-row-wrapper/send-row-wrapper.component'
+import GasFeeDisplay from '../gas-fee-display/gas-fee-display.component'
+import GasPriceButtonGroup from '../../../../../components/app/gas-customization/gas-price-button-group'
+
+const propsMethodSpies = {
+  showCustomizeGasModal: sinon.spy(),
+  resetGasButtons: sinon.spy(),
+}
+
+describe('SendGasRow Component', function () {
+  let wrapper
+
+  beforeEach(() => {
+    wrapper = shallow(<SendGasRow
+      conversionRate={20}
+      convertedCurrency={'mockConvertedCurrency'}
+      gasFeeError={'mockGasFeeError'}
+      gasLoadingError={false}
+      gasTotal={'mockGasTotal'}
+      gasButtonGroupShown={false}
+      showCustomizeGasModal={propsMethodSpies.showCustomizeGasModal}
+      resetGasButtons={propsMethodSpies.resetGasButtons}
+      gasPriceButtonGroupProps={{
+        someGasPriceButtonGroupProp: 'foo',
+        anotherGasPriceButtonGroupProp: 'bar',
+      }}
+    />, { context: { t: str => str + '_t', metricsEvent: () => ({}) } })
+  })
+
+  afterEach(() => {
+    propsMethodSpies.resetGasButtons.resetHistory()
+  })
+
+  describe('render', () => {
+    it('should render a SendRowWrapper component', () => {
+      assert.equal(wrapper.find(SendRowWrapper).length, 1)
+    })
+
+    it('should pass the correct props to SendRowWrapper', () => {
+      const {
+        label,
+        showError,
+        errorType,
+      } = wrapper.find(SendRowWrapper).props()
+
+      assert.equal(label, 'transactionFee_t:')
+      assert.equal(showError, 'mockGasFeeError')
+      assert.equal(errorType, 'gasFee')
+    })
+
+    it('should render a GasFeeDisplay as a child of the SendRowWrapper', () => {
+      assert(wrapper.find(SendRowWrapper).childAt(0).is(GasFeeDisplay))
+    })
+
+    it('should render the GasFeeDisplay with the correct props', () => {
+      const {
+        conversionRate,
+        convertedCurrency,
+        gasLoadingError,
+        gasTotal,
+        onReset,
+      } = wrapper.find(SendRowWrapper).childAt(0).props()
+      assert.equal(conversionRate, 20)
+      assert.equal(convertedCurrency, 'mockConvertedCurrency')
+      assert.equal(gasLoadingError, false)
+      assert.equal(gasTotal, 'mockGasTotal')
+      assert.equal(propsMethodSpies.resetGasButtons.callCount, 0)
+      onReset()
+      assert.equal(propsMethodSpies.resetGasButtons.callCount, 1)
+    })
+
+    it('should render the GasPriceButtonGroup if gasButtonGroupShown is true', () => {
+      wrapper.setProps({ gasButtonGroupShown: true })
+      const rendered = wrapper.find(SendRowWrapper).childAt(0)
+      assert.equal(rendered.children().length, 2)
+
+      const gasPriceButtonGroup = rendered.childAt(0)
+      assert(gasPriceButtonGroup.is(GasPriceButtonGroup))
+      assert(gasPriceButtonGroup.hasClass('gas-price-button-group--small'))
+      assert.equal(gasPriceButtonGroup.props().showCheck, false)
+      assert.equal(gasPriceButtonGroup.props().someGasPriceButtonGroupProp, 'foo')
+      assert.equal(gasPriceButtonGroup.props().anotherGasPriceButtonGroupProp, 'bar')
+    })
+
+    it('should render an advanced options button if gasButtonGroupShown is true', () => {
+      wrapper.setProps({ gasButtonGroupShown: true })
+      const rendered = wrapper.find(SendRowWrapper).childAt(0)
+      assert.equal(rendered.children().length, 2)
+
+      const advancedOptionsButton = rendered.childAt(1)
+      assert.equal(advancedOptionsButton.text(), 'advancedOptions_t')
+
+      assert.equal(propsMethodSpies.showCustomizeGasModal.callCount, 0)
+      advancedOptionsButton.props().onClick()
+      assert.equal(propsMethodSpies.showCustomizeGasModal.callCount, 1)
+    })
+  })
+})
diff --git a/ui/app/pages/send/send-content/send-gas-row/tests/send-gas-row-container.test.js b/ui/app/pages/send/send-content/send-gas-row/tests/send-gas-row-container.test.js
new file mode 100644
index 000000000..ddc6ea985
--- /dev/null
+++ b/ui/app/pages/send/send-content/send-gas-row/tests/send-gas-row-container.test.js
@@ -0,0 +1,200 @@
+import assert from 'assert'
+import proxyquire from 'proxyquire'
+import sinon from 'sinon'
+
+let mapStateToProps
+let mapDispatchToProps
+let mergeProps
+
+const actionSpies = {
+  showModal: sinon.spy(),
+  setGasPrice: sinon.spy(),
+  setGasTotal: sinon.spy(),
+  setGasLimit: sinon.spy(),
+}
+
+const sendDuckSpies = {
+  showGasButtonGroup: sinon.spy(),
+}
+
+const gasDuckSpies = {
+  resetCustomData: sinon.spy(),
+  setCustomGasPrice: sinon.spy(),
+  setCustomGasLimit: sinon.spy(),
+}
+
+proxyquire('../send-gas-row.container.js', {
+  'react-redux': {
+    connect: (ms, md, mp) => {
+      mapStateToProps = ms
+      mapDispatchToProps = md
+      mergeProps = mp
+      return () => ({})
+    },
+  },
+  '../../../../selectors/selectors': {
+    getCurrentEthBalance: (s) => `mockCurrentEthBalance:${s}`,
+    getAdvancedInlineGasShown: (s) => `mockAdvancedInlineGasShown:${s}`,
+    getSelectedToken: () => false,
+  },
+  '../../send.selectors.js': {
+    getConversionRate: (s) => `mockConversionRate:${s}`,
+    getCurrentCurrency: (s) => `mockConvertedCurrency:${s}`,
+    getGasTotal: (s) => `mockGasTotal:${s}`,
+    getGasPrice: (s) => `mockGasPrice:${s}`,
+    getGasLimit: (s) => `mockGasLimit:${s}`,
+    getSendAmount: (s) => `mockSendAmount:${s}`,
+  },
+  '../../send.utils.js': {
+    isBalanceSufficient: ({
+      amount,
+      gasTotal,
+      balance,
+      conversionRate,
+    }) => `${amount}:${gasTotal}:${balance}:${conversionRate}`,
+    calcGasTotal: (gasLimit, gasPrice) => gasLimit + gasPrice,
+  },
+  './send-gas-row.selectors.js': {
+    getGasLoadingError: (s) => `mockGasLoadingError:${s}`,
+    gasFeeIsInError: (s) => `mockGasFeeError:${s}`,
+    getGasButtonGroupShown: (s) => `mockGetGasButtonGroupShown:${s}`,
+  },
+  '../../../../store/actions': actionSpies,
+  '../../../../selectors/custom-gas': {
+    getBasicGasEstimateLoadingStatus: (s) => `mockBasicGasEstimateLoadingStatus:${s}`,
+    getRenderableEstimateDataForSmallButtonsFromGWEI: (s) => `mockGasButtonInfo:${s}`,
+    getDefaultActiveButtonIndex: (gasButtonInfo, gasPrice) => gasButtonInfo.length + gasPrice.length,
+  },
+  '../../../../ducks/send/send.duck': sendDuckSpies,
+  '../../../../ducks/gas/gas.duck': gasDuckSpies,
+})
+
+describe('send-gas-row container', () => {
+
+  describe('mapStateToProps()', () => {
+
+    it('should map the correct properties to props', () => {
+      assert.deepEqual(mapStateToProps('mockState'), {
+        conversionRate: 'mockConversionRate:mockState',
+        convertedCurrency: 'mockConvertedCurrency:mockState',
+        gasTotal: 'mockGasTotal:mockState',
+        gasFeeError: 'mockGasFeeError:mockState',
+        gasLoadingError: 'mockGasLoadingError:mockState',
+        gasPriceButtonGroupProps: {
+          buttonDataLoading: `mockBasicGasEstimateLoadingStatus:mockState`,
+          defaultActiveButtonIndex: 1,
+          newActiveButtonIndex: 49,
+          gasButtonInfo: `mockGasButtonInfo:mockState`,
+        },
+        gasButtonGroupShown: `mockGetGasButtonGroupShown:mockState`,
+        advancedInlineGasShown: 'mockAdvancedInlineGasShown:mockState',
+        gasLimit: 'mockGasLimit:mockState',
+        gasPrice: 'mockGasPrice:mockState',
+        insufficientBalance: false,
+      })
+    })
+
+  })
+
+  describe('mapDispatchToProps()', () => {
+    let dispatchSpy
+    let mapDispatchToPropsObject
+
+    beforeEach(() => {
+      dispatchSpy = sinon.spy()
+      mapDispatchToPropsObject = mapDispatchToProps(dispatchSpy)
+      actionSpies.setGasTotal.resetHistory()
+    })
+
+    describe('showCustomizeGasModal()', () => {
+      it('should dispatch an action', () => {
+        mapDispatchToPropsObject.showCustomizeGasModal()
+        assert(dispatchSpy.calledOnce)
+        assert.deepEqual(
+          actionSpies.showModal.getCall(0).args[0],
+          { name: 'CUSTOMIZE_GAS', hideBasic: true }
+        )
+      })
+    })
+
+    describe('setGasPrice()', () => {
+      it('should dispatch an action', () => {
+        mapDispatchToPropsObject.setGasPrice('mockNewPrice', 'mockLimit')
+        assert(dispatchSpy.calledThrice)
+        assert(actionSpies.setGasPrice.calledOnce)
+        assert.equal(actionSpies.setGasPrice.getCall(0).args[0], 'mockNewPrice')
+        assert.equal(gasDuckSpies.setCustomGasPrice.getCall(0).args[0], 'mockNewPrice')
+        assert(actionSpies.setGasTotal.calledOnce)
+        assert.equal(actionSpies.setGasTotal.getCall(0).args[0], 'mockLimitmockNewPrice')
+      })
+    })
+
+    describe('setGasLimit()', () => {
+      it('should dispatch an action', () => {
+        mapDispatchToPropsObject.setGasLimit('mockNewLimit', 'mockPrice')
+        assert(dispatchSpy.calledThrice)
+        assert(actionSpies.setGasLimit.calledOnce)
+        assert.equal(actionSpies.setGasLimit.getCall(0).args[0], 'mockNewLimit')
+        assert.equal(gasDuckSpies.setCustomGasLimit.getCall(0).args[0], 'mockNewLimit')
+        assert(actionSpies.setGasTotal.calledOnce)
+        assert.equal(actionSpies.setGasTotal.getCall(0).args[0], 'mockNewLimitmockPrice')
+      })
+    })
+
+    describe('showGasButtonGroup()', () => {
+      it('should dispatch an action', () => {
+        mapDispatchToPropsObject.showGasButtonGroup()
+        assert(dispatchSpy.calledOnce)
+        assert(sendDuckSpies.showGasButtonGroup.calledOnce)
+      })
+    })
+
+    describe('resetCustomData()', () => {
+      it('should dispatch an action', () => {
+        mapDispatchToPropsObject.resetCustomData()
+        assert(dispatchSpy.calledOnce)
+        assert(gasDuckSpies.resetCustomData.calledOnce)
+      })
+    })
+
+  })
+
+  describe('mergeProps', () => {
+    let stateProps
+    let dispatchProps
+    let ownProps
+
+    beforeEach(() => {
+      stateProps = {
+        gasPriceButtonGroupProps: {
+          someGasPriceButtonGroupProp: 'foo',
+          anotherGasPriceButtonGroupProp: 'bar',
+        },
+        someOtherStateProp: 'baz',
+      }
+      dispatchProps = {
+        setGasPrice: sinon.spy(),
+        someOtherDispatchProp: sinon.spy(),
+      }
+      ownProps = { someOwnProp: 123 }
+    })
+
+    it('should return the expected props when isConfirm is true', () => {
+      const result = mergeProps(stateProps, dispatchProps, ownProps)
+
+      assert.equal(result.someOtherStateProp, 'baz')
+      assert.equal(result.gasPriceButtonGroupProps.someGasPriceButtonGroupProp, 'foo')
+      assert.equal(result.gasPriceButtonGroupProps.anotherGasPriceButtonGroupProp, 'bar')
+      assert.equal(result.someOwnProp, 123)
+
+      assert.equal(dispatchProps.setGasPrice.callCount, 0)
+      result.gasPriceButtonGroupProps.handleGasPriceSelection()
+      assert.equal(dispatchProps.setGasPrice.callCount, 1)
+
+      assert.equal(dispatchProps.someOtherDispatchProp.callCount, 0)
+      result.someOtherDispatchProp()
+      assert.equal(dispatchProps.someOtherDispatchProp.callCount, 1)
+    })
+  })
+
+})
diff --git a/ui/app/pages/send/send-content/send-gas-row/tests/send-gas-row-selectors.test.js b/ui/app/pages/send/send-content/send-gas-row/tests/send-gas-row-selectors.test.js
new file mode 100644
index 000000000..bd3c9a257
--- /dev/null
+++ b/ui/app/pages/send/send-content/send-gas-row/tests/send-gas-row-selectors.test.js
@@ -0,0 +1,62 @@
+import assert from 'assert'
+import {
+  gasFeeIsInError,
+  getGasLoadingError,
+  getGasButtonGroupShown,
+} from '../send-gas-row.selectors.js'
+
+describe('send-gas-row selectors', () => {
+
+  describe('getGasLoadingError()', () => {
+    it('should return send.errors.gasLoading', () => {
+      const state = {
+        send: {
+          errors: {
+            gasLoading: 'abc',
+          },
+        },
+      }
+
+      assert.equal(getGasLoadingError(state), 'abc')
+    })
+  })
+
+  describe('gasFeeIsInError()', () => {
+    it('should return true if send.errors.gasFee is truthy', () => {
+      const state = {
+        send: {
+          errors: {
+            gasFee: 'def',
+          },
+        },
+      }
+
+      assert.equal(gasFeeIsInError(state), true)
+    })
+
+    it('should return false send.errors.gasFee is falsely', () => {
+      const state = {
+        send: {
+          errors: {
+            gasFee: null,
+          },
+        },
+      }
+
+      assert.equal(gasFeeIsInError(state), false)
+    })
+  })
+
+  describe('getGasButtonGroupShown()', () => {
+    it('should return send.gasButtonGroupShown', () => {
+      const state = {
+        send: {
+          gasButtonGroupShown: 'foobar',
+        },
+      }
+
+      assert.equal(getGasButtonGroupShown(state), 'foobar')
+    })
+  })
+
+})