Add token selection to the send screen (#6445)

* Move send to pages/

* Fix unit tests

* Finish UI

* Integrate asset dropdown to send actions

* Remove console.log

* Hide asset change during edit

* Enable switch from send token to seand eth

* Enable switching from token to eth when editing

* Fix linter

* Fixing test

* Fix unit tests

* Fix linter

* Fix react warning; remove console.log

* fix flat test

* Add metrics

* Address code review comments

* Consistent spacing between send screen form rows.

* Reduce height of gas buttons on send screen.

* Make send screen gas button height dependent on size of contents.

3 files changed, 366 insertions, 0 deletions

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')
+    })
+  })
+
+})