add more utility functions and improved tests

test/primitives.ts

@@ -1,8 +1,8 @@
+var wtf = require('wtfnode');
 import { htmlTxt, longText, makeTestnetWallet, TEST_CONFIG, TEST_DATA } from './CONSTANTS'
 import { xrpIO } from '../src/xrpIO/xrpl-binding'
 import * as chai from 'chai';
 import { Wallet } from '../src/util/types';
-var wtf = require('wtfnode');
 const expect = chai.expect
 
 let sendWallet: Wallet
@@ -36,16 +36,24 @@ describe('XRPIO', () => {
     })
 
     it('getAccountSequence', async function(){
-//      this.skip()
+        //this.skip()
         this.timeout(10000)
         const seq = await api.getAccountSequence(sendWallet.address)
         expect(seq).to.exist
         expect(seq).to.be.a('number')
     })
 
+    it('estimateFee', async function () {
+        this.timeout(2000)
+        const cost = await api.estimateFee(longText)
+        expect(cost).to.be.a('number')
+        expect(cost).to.be.lessThan(50)
+        expect(cost).to.be.greaterThan(30)
+    })
+
     let txHash
     it('writeRaw', async function(){
-//        this.skip()
+        //this.skip()
         this.timeout(15000)
         txHash = await api.writeRaw({data: TEST_DATA}, receiveWallet.address, sendWallet.secret);
         expect(txHash).to.exist
@@ -53,13 +61,20 @@ describe('XRPIO', () => {
     })
 
     it('readRaw', async function () {
-//        this.skip()
+        //this.skip()
         this.timeout(15000)
         const memo = await api.readRaw(txHash)
         expect(memo).to.exist
         expect(memo.data).to.be.equal(TEST_DATA)
     })
 
+    it('readRaw bad hash', function (done){
+        this.timeout(150000)
+        api.readRaw("123")
+        .then(_ => done(new Error('Expected error but succeeded')))
+        .catch(_ => done())
+    })
+
     it('treeWrite', async function(){
 //        this.skip()
         this.timeout(45000)
@@ -77,7 +92,7 @@ describe('XRPIO', () => {
     })
 
     it('treeWrite XL', async function(){
-//        this.skip()
+        //this.skip()
         this.timeout(450000)
         txHash = await api.treeWrite(htmlTxt, receiveWallet.address, sendWallet.secret)
         expect(txHash).to.exist
@@ -85,7 +100,7 @@ describe('XRPIO', () => {
     })
 
     it('treeRead XL', async function(){
-//        this.skip()  
+        //this.skip()  
         this.timeout(450000)
         const data = await api.treeRead([txHash])
         expect(data).to.exist
@@ -93,7 +108,8 @@ describe('XRPIO', () => {
     })
     
     it('print open handles', function(){
-        wtf.dump()
-        console.log(txHash)
+        api.disconnect().then(_ => {
+            wtf.dump()
+        })
     })
 })