more tests and craete a getPendingTransactions function

app/scripts/controllers/transactions.js

@@ -49,12 +49,7 @@ module.exports = class TransactionController extends EventEmitter {
 
     this.nonceTracker = new NonceTracker({
       provider: this.provider,
-      getPendingTransactions: (address) => {
-        return this.txStateManager.getFilteredTxList({
-          from: address,
-          status: 'submitted',
-        })
-      },
+      getPendingTransactions: this.txStateManager.getPendingTransactions.bind(this.txStateManager),
       getConfirmedTransactions: (address) => {
         return this.txStateManager.getFilteredTxList({
           from: address,
@@ -73,9 +68,7 @@ module.exports = class TransactionController extends EventEmitter {
         return account.balance
       },
       publishTransaction: this.query.sendRawTransaction,
-      getPendingTransactions: () => {
-        return this.txStateManager.getFilteredTxList({ status: 'submitted' })
-      },
+      getPendingTransactions: this.txStateManager.getPendingTransactions.bind(this.txStateManager),
       giveUpOnTransaction: (txId) => {
         const msg = `Gave up submitting after 3500 blocks un-mined.`
         this.setTxStatusFailed(txId, msg)
@@ -122,8 +115,8 @@ module.exports = class TransactionController extends EventEmitter {
     return Object.keys(this.txStateManager.getUnapprovedTxList()).length
   }
 
-  getPendingTxCount () {
-    return this.txStateManager.getTxsByMetaData('status', 'signed').length
+  getPendingTxCount (account) {
+    return this.txStateManager.getPendingTransactions(account).length
   }
 
   getChainId () {

app/scripts/lib/tx-state-manager.js

@@ -33,6 +33,12 @@ module.exports = class TransactionStateManger extends ObservableStore {
     }, {})
   }
 
+  getPendingTransactions (address) {
+    const opts = { status: 'submitted' }
+    if (address) opts.from = address
+    return this.txStateManager.getFilteredTxList(opts)
+  }
+
   addTx (txMeta) {
     this.once(`${txMeta.id}:signed`, function (txId) {
       this.removeAllListeners(`${txMeta.id}:rejected`)

test/unit/components/pending-tx-test.js

@@ -24,7 +24,8 @@ describe('PendingTx', function () {
       'to': '0xc5b8dbac4c1d3f152cdeb400e2313f309c410acb',
       'value': '0xde0b6b3a7640000',
       gasPrice,
-      'gas': '0x7b0c'},
+      'gas': '0x7b0c',
+    },
     'gasLimitSpecified': false,
     'estimatedGas': '0x5208',
   }

test/unit/tx-controller-test.js

@@ -37,6 +37,28 @@ describe('Transaction Controller', function () {
     txController.txProviderUtils = new TxGasUtils(txController.provider)
   })
 
+  describe('#getState', function () {
+    it('should return a state object with the right keys and datat types', function (){
+      const exposedState = txController.getState()
+      assert('unapprovedTxs' in exposedState, 'state should have the key unapprovedTxs')
+      assert('selectedAddressTxList' in exposedState, 'state should have the key selectedAddressTxList')
+      assert(typeof exposedState.unapprovedTxs === 'object', 'should be an object')
+      assert(Array.isArray(exposedState.selectedAddressTxList), 'should be an array')
+    })
+  })
+
+  describe('#getUnapprovedTxCount', function () {
+    it('should return the number of unapproved txs', function () {
+      txController.txStateManager._saveTxList([
+        { id: 1, status: 'unapproved', metamaskNetworkId: currentNetworkId, txParams: {} },
+        { id: 2, status: 'unapproved', metamaskNetworkId: currentNetworkId, txParams: {} },
+        { id: 3, status: 'unapproved', metamaskNetworkId: currentNetworkId, txParams: {} },
+      ])
+      const unapprovedTxCount = txController.getUnapprovedTxCount()
+      assert.equal(unapprovedTxCount, 3, 'should be 3')
+    })
+  })
+
   describe('#newUnapprovedTransaction', function () {
     let stub, txMeta, txParams
     beforeEach(function () {