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Added W3C Blob.slice test cases #89

Ben Hsieh 8 years ago
parent
commit
208fb2e511
1 changed files with 101 additions and 1 deletions
  1. 101
    1
      test/test-0.9.2.js

+ 101
- 1
test/test-0.9.2.js View File

@@ -1,7 +1,6 @@
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 import RNTest from './react-native-testkit/'
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 import React from 'react'
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 import RNFetchBlob from 'react-native-fetch-blob'
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-
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 import {
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   StyleSheet,
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   Text,
@@ -45,3 +44,104 @@ describe('content-length header test', (report, done) => {
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     done()
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   })
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 })
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+
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+describe('slice test', (report, done) => {
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+  let str = "PASSSTRING"
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+  let tmp = fs.dirs.DocumentDir + '/slice-tmp-'
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+  let testData = [
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+       {start:   4, contents: "STRING"},
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+       {start:  12, contents: ""},
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+       {start: 0, end:   4, contents: "PASS"},
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+       {start: 0, end:  12, contents: "PASSSTRING"},
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+       {start: 7, end:   4, contents: ""},
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+       {start:  -6, contents: "STRING"},
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+       {start: -12, contents: "PASSSTRING"},
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+       {start: 0, end:  -6, contents: "PASS"},
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+       {start: 0, end: -12, contents: ""},
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+     ]
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+  fs.writeFile(tmp, str, 'utf8')
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+    .then(() => {
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+      let promises = []
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+      for(let t in testData) {
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+        let p = fs.slice(tmp, tmp + t, testData[t].start, testData[t].end)
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+        .then(function(num) {
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+          console.log('slice finished', num)
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+          return fs.readFile(tmp + num, 'utf8')
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+          .then((data) => {
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+            report(<Assert key={`assertion-${num}`} expect={testData[num].contents} actual={data}/>)
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+            return Promise.resolve()
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+          })
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+        }.bind(this, t))
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+        promises.push(p)
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+      }
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+      Promise.all(promises).then((res) => {
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+        done()
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+      })
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+
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+    })
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+})
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+
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+
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+describe('fs.slice test', (report, done) => {
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+
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+  let source = null
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+  let parts = fs.dirs.DocumentDir + '/tmp-source-'
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+  let dests = []
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+  let combined = fs.dirs.DocumentDir + '/combined-' + Date.now() + '.jpg'
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+  let size = 0
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+
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+  window.fetch = new RNFetchBlob.polyfill.Fetch({
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+    auto : true,
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+    binaryContentTypes : ['image/', 'video/', 'audio/']
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+  }).build()
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+
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+  fetch(`${TEST_SERVER_URL}/public/github2.jpg`)
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+  .then((res) => res.rawResp())
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+  .then((res) => {
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+    source = res.path()
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+    return fs.stat(source)
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+  })
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+  // separate file into 4kb chunks
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+  .then((stat) => {
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+    size = stat.size
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+    let promise = Promise.resolve()
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+    let cursor = 0
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+    while(cursor < size) {
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+      promise = promise.then(function(start) {
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+        console.log('slicing part ', start , start + 40960)
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+        let offset = 0
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+        return fs.slice(source, parts + start, start + offset, start + 40960)
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+                .then((dest) => {
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+                  console.log('slicing part ', start + offset, start + 40960, 'done')
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+                  dests.push(dest)
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+                  return Promise.resolve()
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+                })
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+      }.bind(this, cursor))
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+      cursor += 40960
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+    }
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+    console.log('loop end')
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+    return promise
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+  })
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+  // combine chunks and verify the result
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+  .then(() => {
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+    console.log('combinding files')
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+    let p = Promise.resolve()
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+    for(let d in dests) {
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+      p = p.then(function(chunk){
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+        return fs.appendFile(combined, chunk, 'uri').then((write) => {
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+          console.log(write, 'bytes write')
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+        })
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+      }.bind(this, dests[d]))
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+    }
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+    return p.then(() => fs.stat(combined))
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+  })
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+  .then((stat) => {
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+    report(
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+      <Assert key="verify file size" expect={size} actual={stat.size}/>,
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+      <Info key="image viewer">
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+        <Image key="combined image" style={styles.image} source={{ uri : prefix + combined}}/>
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+      </Info>)
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+    done()
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+  })
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+
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+})