1 files changed, 170 insertions, 0 deletions
diff --git a/ui/app/components/ui/currency-input/tests/currency-input.container.test.js b/ui/app/components/ui/currency-input/tests/currency-input.container.test.js
new file mode 100644
index 000000000..6109d29b6
--- /dev/null
+++ b/ui/app/components/ui/currency-input/tests/currency-input.container.test.js
@@ -0,0 +1,170 @@
+import assert from 'assert'
+import proxyquire from 'proxyquire'
+
+let mapStateToProps, mergeProps
+
+proxyquire('../currency-input.container.js', {
+  'react-redux': {
+    connect: (ms, md, mp) => {
+      mapStateToProps = ms
+      mergeProps = mp
+      return () => ({})
+    },
+  },
+})
+
+describe('CurrencyInput container', () => {
+  describe('mapStateToProps()', () => {
+    const tests = [
+      // Test # 1
+      {
+        comment: 'should return correct props in mainnet',
+        mockState: {
+          metamask: {
+            conversionRate: 280.45,
+            currentCurrency: 'usd',
+            nativeCurrency: 'ETH',
+            preferences: {
+              showFiatInTestnets: false,
+            },
+            provider: {
+              type: 'mainnet',
+            },
+          },
+        },
+        expected: {
+          conversionRate: 280.45,
+          currentCurrency: 'usd',
+          nativeCurrency: 'ETH',
+          hideFiat: false,
+        },
+      },
+      // Test # 2
+      {
+        comment: 'should return correct props when not in mainnet and showFiatInTestnets is false',
+        mockState: {
+          metamask: {
+            conversionRate: 280.45,
+            currentCurrency: 'usd',
+            nativeCurrency: 'ETH',
+            preferences: {
+              showFiatInTestnets: false,
+            },
+            provider: {
+              type: 'rinkeby',
+            },
+          },
+        },
+        expected: {
+          conversionRate: 280.45,
+          currentCurrency: 'usd',
+          nativeCurrency: 'ETH',
+          hideFiat: true,
+        },
+      },
+      // Test # 3
+      {
+        comment: 'should return correct props when not in mainnet and showFiatInTestnets is true',
+        mockState: {
+          metamask: {
+            conversionRate: 280.45,
+            currentCurrency: 'usd',
+            nativeCurrency: 'ETH',
+            preferences: {
+              showFiatInTestnets: true,
+            },
+            provider: {
+              type: 'rinkeby',
+            },
+          },
+        },
+        expected: {
+          conversionRate: 280.45,
+          currentCurrency: 'usd',
+          nativeCurrency: 'ETH',
+          hideFiat: false,
+        },
+      },
+      // Test # 4
+      {
+        comment: 'should return correct props when in mainnet and showFiatInTestnets is true',
+        mockState: {
+          metamask: {
+            conversionRate: 280.45,
+            currentCurrency: 'usd',
+            nativeCurrency: 'ETH',
+            preferences: {
+              showFiatInTestnets: true,
+            },
+            provider: {
+              type: 'mainnet',
+            },
+          },
+        },
+        expected: {
+          conversionRate: 280.45,
+          currentCurrency: 'usd',
+          nativeCurrency: 'ETH',
+          hideFiat: false,
+        },
+      },
+    ]
+
+    tests.forEach(({ mockState, expected, comment }) => {
+      it(comment, () => assert.deepEqual(mapStateToProps(mockState), expected))
+    })
+  })
+
+  describe('mergeProps()', () => {
+    const tests = [
+      // Test # 1
+      {
+        comment: 'should return the correct props',
+        mock: {
+          stateProps: {
+            conversionRate: 280.45,
+            currentCurrency: 'usd',
+            nativeCurrency: 'ETH',
+          },
+          dispatchProps: {},
+          ownProps: {},
+        },
+        expected: {
+          conversionRate: 280.45,
+          currentCurrency: 'usd',
+          nativeCurrency: 'ETH',
+          // useFiat: true,
+          nativeSuffix: 'ETH',
+          fiatSuffix: 'USD',
+        },
+      },
+      // Test # 1
+      {
+        comment: 'should return the correct props when useFiat is true',
+        mock: {
+          stateProps: {
+            conversionRate: 280.45,
+            currentCurrency: 'usd',
+            nativeCurrency: 'ETH',
+          },
+          dispatchProps: {},
+          ownProps: { useFiat: true },
+        },
+        expected: {
+          conversionRate: 280.45,
+          currentCurrency: 'usd',
+          nativeCurrency: 'ETH',
+          useFiat: true,
+          nativeSuffix: 'ETH',
+          fiatSuffix: 'USD',
+        },
+      },
+    ]
+
+    tests.forEach(({ mock: { stateProps, dispatchProps, ownProps }, expected, comment }) => {
+      it(comment, () => {
+        assert.deepEqual(mergeProps(stateProps, dispatchProps, ownProps), expected)
+      })
+    })
+  })
+})