Add benchmark test

test/benchmark.js

@@ -0,0 +1,89 @@
+import RNTest from './react-native-testkit/'
+import React from 'react'
+import RNFetchBlob from 'react-native-fetch-blob'
+
+import {
+  Text,
+  View,
+  Platform,
+  Dimensions,
+  Image,
+} from 'react-native';
+
+const fs = RNFetchBlob.fs
+const { Assert, Comparer, Info, prop } = RNTest
+const describe = RNTest.config({
+  group : '0.8.0',
+  run : true,
+  expand : true,
+  timeout : 10000,
+})
+const { TEST_SERVER_URL, TEST_SERVER_URL_SSL, FILENAME, DROPBOX_TOKEN, styles } = prop()
+const  dirs = RNFetchBlob.fs.dirs
+
+describe('upload BASE64 v.s. Storage', (report, done) => {
+
+  let b64data = null
+  let storageFile = dirs.DocumentDir + '/benchmark-1mb'
+  let b64res, storageRes
+  let iteration = 50
+
+  RNFetchBlob
+    .config({ path : storageFile })
+    .fetch('get', `${TEST_SERVER_URL}/public/1mb-dummy`)
+    .then((res) => res.readFile('base64'))
+    .then((data) => {
+      b64data = data
+      report(
+        <Info key="test data should correct">
+          <Text>size of b64data = {data.length}</Text>
+        </Info>)
+      b64Test()
+    })
+
+    // base64 upload benchmark
+    function b64Test() {
+      let p = Promise.resolve()
+      let begin = Date.now()
+      let count = 0
+      for(let i=0; i< iteration; i++) {
+        p = p.then(() => {
+          if(++count <iteration)
+            return RNFetchBlob.fetch('POST', `${TEST_SERVER_URL}/echo`, {}, b64data)
+          else {
+            b64res = Date.now() - begin
+            storageTest()
+          }
+        })
+      }
+    }
+
+    // storage upload benchmark
+    function storageTest() {
+      let p = Promise.resolve()
+      let begin = Date.now()
+      let count = 0
+      for(let i=0; i< iteration; i++) {
+        p = p.then(() => {
+          if(++count < iteration)
+            return RNFetchBlob.fetch('POST', `${TEST_SERVER_URL}/echo`, {}, RNFetchBlob.wrap(storageFile))
+          else {
+            storageRes = Date.now() - begin
+            summary()
+          }
+        })
+      }
+    }
+
+    function summary() {
+      report(
+        <Info key="BASE64">
+          <Text>{`BASE64 ${b64res/iteration} ms/req`}</Text>
+        </Info>,
+        <Info key="Storage">
+          <Text>{`Storage ${storageRes/iteration} ms/req`}</Text>
+        </Info>)
+      done()
+    }
+
+})