Merge pull request #1455 from MetaMask/networkController

Create a network controller to manage switching networks an updating t…

1 files changed, 74 insertions, 0 deletions

diff --git a/test/unit/network-contoller-test.js b/test/unit/network-contoller-test.js
new file mode 100644
index 000000000..183e69cab
--- /dev/null
+++ b/test/unit/network-contoller-test.js
@@ -0,0 +1,74 @@
+const EventEmitter = require('events')
+const assert = require('assert')
+const NetworkController = require('../../app/scripts/controllers/network')
+
+describe('# Network Controller', function () {
+  let networkController
+
+  beforeEach(function () {
+    networkController = new NetworkController({
+      provider: {
+        type: 'rinkeby',
+      },
+    })
+    // stub out provider
+    networkController._provider = new EventEmitter()
+    networkController.providerInit = {
+      getAccounts: () => {},
+    }
+
+    networkController.ethQuery = new Proxy({}, {
+      get: (obj, name) => {
+        return () => {}
+      },
+    })
+  })
+  describe('network', function () {
+    describe('#provider', function() {
+      it('provider should be updatable without reassignment', function () {
+        networkController.initializeProvider(networkController.providerInit)
+        const provider = networkController.provider
+        networkController._provider = {test: true}
+        assert.ok(provider.test)
+      })
+    })
+    describe('#getNetworkState', function () {
+      it('should return loading when new', function () {
+        let networkState = networkController.getNetworkState()
+        assert.equal(networkState, 'loading', 'network is loading')
+      })
+    })
+
+    describe('#setNetworkState', function () {
+      it('should update the network', function () {
+        networkController.setNetworkState(1)
+        let networkState = networkController.getNetworkState()
+        assert.equal(networkState, 1, 'network is 1')
+      })
+    })
+
+    describe('#getRpcAddressForType', function () {
+      it('should return the right rpc address', function () {
+        let rpcTarget = networkController.getRpcAddressForType('mainnet')
+        assert.equal(rpcTarget, 'https://mainnet.infura.io/metamask', 'returns the right rpcAddress')
+      })
+    })
+    describe('#setProviderType', function () {
+      it('should update provider.type', function () {
+        networkController.setProviderType('mainnet')
+        const type = networkController.getProviderConfig().type
+        assert.equal(type, 'mainnet', 'provider type is updated')
+      })
+      it('should set the network to loading', function () {
+        networkController.setProviderType('mainnet')
+        const loading = networkController.isNetworkLoading()
+        assert.ok(loading, 'network is loading')
+      })
+      it('should set the right rpcTarget', function () {
+        networkController.setProviderType('mainnet')
+        const rpcTarget = networkController.getProviderConfig().rpcTarget
+        assert.equal(rpcTarget, 'https://mainnet.infura.io/metamask', 'returns the right rpcAddress')
+      })
+    })
+  })
+})