1 files changed, 251 insertions, 0 deletions
diff --git a/ui/app/components/send_/tests/send-component.test.js b/ui/app/components/send_/tests/send-component.test.js
new file mode 100644
index 000000000..4e33d8f63
--- /dev/null
+++ b/ui/app/components/send_/tests/send-component.test.js
@@ -0,0 +1,251 @@
+import React from 'react'
+import assert from 'assert'
+import proxyquire from 'proxyquire'
+import { shallow } from 'enzyme'
+import sinon from 'sinon'
+
+import SendHeader from '../send-header/send-header.container'
+import SendContent from '../send-content/send-content.component'
+import SendFooter from '../send-footer/send-footer.container'
+
+const propsMethodSpies = {
+  updateAndSetGasTotal: sinon.spy(),
+  updateSendErrors: sinon.spy(),
+  updateSendTokenBalance: sinon.spy(),
+}
+const utilsMethodStubs = {
+  getAmountErrorObject: sinon.stub().returns({ amount: 'mockAmountError' }),
+  doesAmountErrorRequireUpdate: sinon.stub().callsFake(obj => obj.balance !== obj.prevBalance),
+}
+
+const SendTransactionScreen = proxyquire('../send.component.js', {
+  './send.utils': utilsMethodStubs,
+}).default
+
+sinon.spy(SendTransactionScreen.prototype, 'componentDidMount')
+sinon.spy(SendTransactionScreen.prototype, 'updateGas')
+
+describe('Send Component', function () {
+  let wrapper
+
+  beforeEach(() => {
+    wrapper = shallow(<SendTransactionScreen
+      amount={'mockAmount'}
+      amountConversionRate={'mockAmountConversionRate'}
+      blockGasLimit={'mockBlockGasLimit'}
+      conversionRate={10}
+      editingTransactionId={'mockEditingTransactionId'}
+      from={ { address: 'mockAddress', balance: 'mockBalance' } }
+      gasLimit={'mockGasLimit'}
+      gasPrice={'mockGasPrice'}
+      gasTotal={'mockGasTotal'}
+      history={{ mockProp: 'history-abc'}}
+      network={'3'}
+      primaryCurrency={'mockPrimaryCurrency'}
+      recentBlocks={['mockBlock']}
+      selectedAddress={'mockSelectedAddress'}
+      selectedToken={'mockSelectedToken'}
+      tokenBalance={'mockTokenBalance'}
+      tokenContract={'mockTokenContract'}
+      updateAndSetGasTotal={propsMethodSpies.updateAndSetGasTotal}
+      updateSendErrors={propsMethodSpies.updateSendErrors}
+      updateSendTokenBalance={propsMethodSpies.updateSendTokenBalance}
+    />)
+  })
+
+  afterEach(() => {
+    SendTransactionScreen.prototype.componentDidMount.resetHistory()
+    SendTransactionScreen.prototype.updateGas.resetHistory()
+    utilsMethodStubs.doesAmountErrorRequireUpdate.resetHistory()
+    utilsMethodStubs.getAmountErrorObject.resetHistory()
+    propsMethodSpies.updateAndSetGasTotal.resetHistory()
+    propsMethodSpies.updateSendErrors.resetHistory()
+    propsMethodSpies.updateSendTokenBalance.resetHistory()
+  })
+
+  it('should call componentDidMount', () => {
+    assert(SendTransactionScreen.prototype.componentDidMount.calledOnce)
+  })
+
+  describe('componentWillMount', () => {
+    it('should call this.updateGas', () => {
+      SendTransactionScreen.prototype.updateGas.resetHistory()
+      propsMethodSpies.updateSendErrors.resetHistory()
+      assert.equal(SendTransactionScreen.prototype.updateGas.callCount, 0)
+      wrapper.instance().componentWillMount()
+      assert.equal(SendTransactionScreen.prototype.updateGas.callCount, 1)
+    })
+  })
+
+  describe('componentDidUpdate', () => {
+    it('should call doesAmountErrorRequireUpdate with the expected params', () => {
+      utilsMethodStubs.getAmountErrorObject.resetHistory()
+      wrapper.instance().componentDidUpdate({
+        from: {
+          balance: '',
+        },
+      })
+      assert(utilsMethodStubs.doesAmountErrorRequireUpdate.calledOnce)
+      assert.deepEqual(
+        utilsMethodStubs.doesAmountErrorRequireUpdate.getCall(0).args[0],
+        {
+          balance: 'mockBalance',
+          gasTotal: 'mockGasTotal',
+          prevBalance: '',
+          prevGasTotal: undefined,
+          prevTokenBalance: undefined,
+          selectedToken: 'mockSelectedToken',
+          tokenBalance: 'mockTokenBalance',
+        }
+      )
+    })
+
+    it('should not call getAmountErrorObject if doesAmountErrorRequireUpdate returns false', () => {
+      utilsMethodStubs.getAmountErrorObject.resetHistory()
+      wrapper.instance().componentDidUpdate({
+        from: {
+          balance: 'mockBalance',
+        },
+      })
+      assert.equal(utilsMethodStubs.getAmountErrorObject.callCount, 0)
+    })
+
+    it('should call getAmountErrorObject if doesAmountErrorRequireUpdate returns true', () => {
+      utilsMethodStubs.getAmountErrorObject.resetHistory()
+      wrapper.instance().componentDidUpdate({
+        from: {
+          balance: 'balanceChanged',
+        },
+      })
+      assert.equal(utilsMethodStubs.getAmountErrorObject.callCount, 1)
+      assert.deepEqual(
+        utilsMethodStubs.getAmountErrorObject.getCall(0).args[0],
+        {
+          amount: 'mockAmount',
+          amountConversionRate: 'mockAmountConversionRate',
+          balance: 'mockBalance',
+          conversionRate: 10,
+          gasTotal: 'mockGasTotal',
+          primaryCurrency: 'mockPrimaryCurrency',
+          selectedToken: 'mockSelectedToken',
+          tokenBalance: 'mockTokenBalance',
+        }
+      )
+    })
+
+    it('should call updateSendErrors with the expected params', () => {
+      propsMethodSpies.updateSendErrors.resetHistory()
+      wrapper.instance().componentDidUpdate({
+        from: {
+          balance: 'balanceChanged',
+        },
+      })
+      assert.equal(propsMethodSpies.updateSendErrors.callCount, 1)
+      assert.deepEqual(
+        propsMethodSpies.updateSendErrors.getCall(0).args[0],
+        { amount: 'mockAmountError'}
+      )
+    })
+
+    it('should not call updateSendTokenBalance or this.updateGas if network === prevNetwork', () => {
+      SendTransactionScreen.prototype.updateGas.resetHistory()
+      propsMethodSpies.updateSendTokenBalance.resetHistory()
+      wrapper.instance().componentDidUpdate({
+        from: {
+          balance: 'balanceChanged',
+        },
+        network: '3',
+      })
+      assert.equal(propsMethodSpies.updateSendTokenBalance.callCount, 0)
+      assert.equal(SendTransactionScreen.prototype.updateGas.callCount, 0)
+    })
+
+    it('should not call updateSendTokenBalance or this.updateGas if network === loading', () => {
+      wrapper.setProps({ network: 'loading' })
+      SendTransactionScreen.prototype.updateGas.resetHistory()
+      propsMethodSpies.updateSendTokenBalance.resetHistory()
+      wrapper.instance().componentDidUpdate({
+        from: {
+          balance: 'balanceChanged',
+        },
+        network: '3',
+      })
+      assert.equal(propsMethodSpies.updateSendTokenBalance.callCount, 0)
+      assert.equal(SendTransactionScreen.prototype.updateGas.callCount, 0)
+    })
+
+    it('should call updateSendTokenBalance and this.updateGas with the correct params', () => {
+      SendTransactionScreen.prototype.updateGas.resetHistory()
+      propsMethodSpies.updateSendTokenBalance.resetHistory()
+      wrapper.instance().componentDidUpdate({
+        from: {
+          balance: 'balanceChanged',
+        },
+        network: '2',
+      })
+      assert.equal(propsMethodSpies.updateSendTokenBalance.callCount, 1)
+      assert.deepEqual(
+        propsMethodSpies.updateSendTokenBalance.getCall(0).args[0],
+        {
+          selectedToken: 'mockSelectedToken',
+          tokenContract: 'mockTokenContract',
+          address: 'mockAddress',
+        }
+      )
+      assert.equal(SendTransactionScreen.prototype.updateGas.callCount, 1)
+      assert.deepEqual(
+        SendTransactionScreen.prototype.updateGas.getCall(0).args,
+        []
+      )
+    })
+  })
+
+  describe('updateGas', () => {
+    it('should call updateAndSetGasTotal with the correct params', () => {
+      propsMethodSpies.updateAndSetGasTotal.resetHistory()
+      wrapper.instance().updateGas()
+      assert.equal(propsMethodSpies.updateAndSetGasTotal.callCount, 1)
+      assert.deepEqual(
+        propsMethodSpies.updateAndSetGasTotal.getCall(0).args[0],
+        {
+          blockGasLimit: 'mockBlockGasLimit',
+          editingTransactionId: 'mockEditingTransactionId',
+          gasLimit: 'mockGasLimit',
+          gasPrice: 'mockGasPrice',
+          recentBlocks: ['mockBlock'],
+          selectedAddress: 'mockSelectedAddress',
+          selectedToken: 'mockSelectedToken',
+          to: undefined,
+          value: 'mockAmount',
+        }
+      )
+    })
+
+    it('should call updateAndSetGasTotal with to set to lowercase if passed', () => {
+      propsMethodSpies.updateAndSetGasTotal.resetHistory()
+      wrapper.instance().updateGas({ to: '0xABC' })
+      assert.equal(propsMethodSpies.updateAndSetGasTotal.getCall(0).args[0].to, '0xabc')
+    })
+  })
+
+  describe('render', () => {
+    it('should render a page-container class', () => {
+      assert.equal(wrapper.find('.page-container').length, 1)
+    })
+
+    it('should render SendHeader, SendContent and SendFooter', () => {
+      assert.equal(wrapper.find(SendHeader).length, 1)
+      assert.equal(wrapper.find(SendContent).length, 1)
+      assert.equal(wrapper.find(SendFooter).length, 1)
+    })
+
+    it('should pass the history prop to SendHeader and SendFooter', () => {
+      assert.deepEqual(
+        wrapper.find(SendFooter).props(),
+        {
+          history: { mockProp: 'history-abc' },
+        }
+      )
+    })
+  })
+})