Add fetch replacement test cases #70

Author: wkh237

test/test-fetch.js

@@ -31,13 +31,14 @@ const dirs = RNFetchBlob.fs.dirs
 
 let prefix = ((Platform.OS === 'android') ? 'file://' : '')
 
-describe('GET request test : text -> any', (report, done) => {
+describe('GET request test : unicode text -> any', (report, done) => {
 
   function get(fn1, fn2) {
     return fetch(`${TEST_SERVER_URL}/unicode`, { method : 'GET'})
     .then((res) => fn1(res))
     .then((data) => fn2(data))
   }
+
   let promises =
   [
     get((res) => res.json(), (json) => {
@@ -47,9 +48,7 @@ describe('GET request test : text -> any', (report, done) => {
       report(<Assert key="text data correct" expect={'你好!'} actual={JSON.parse(text).data}/>)
     }),
     get((res) => res.blob(), (blob) => {
-      let path = blob.getRNFetchBlobRef()
-      return fs.readFile(path, 'utf8').then((text) => {
-        console.log(text)
+      return blob.readBlob('utf8').then((text) => {
         report(<Assert key="blob data correct" expect={'你好!'} actual={JSON.parse(text).data}/>)
       })
     }),
@@ -64,10 +63,88 @@ describe('GET request test : text -> any', (report, done) => {
 
 })
 
-describe('GET request which has json response', (report, done) => {
+describe('GET request test : path -> any', (report, done) => {
+
+  function get(fn1, fn2, fn3) {
+    fetch(`${TEST_SERVER_URL}/public/github.png`, { method : 'GET'})
+      .then((res) => fn1(res))
+      .then((data) => fn2(data))
+      .catch((err) => fn3(err))
+  }
+  let contentLength = 0
+  let promises = [
+    get((res) => res.json(), (data) => {
+      report(<Assert key="should not convert blob to JSON" expect={true} actual={false} />)
+    }, (err) => {
+      report(<Assert key="should not convert blob to JSON" expect={true} actual={true} />)
+    }),
+    get((res) => {
+      contentLength = res.headers['Content-Length']
+      return res.text()
+    }, (data) => {
+      report(
+        <Assert key="should convert blob to text" expect={true} actual={true} />,
+        <Assert key="content length should correct" expect={Math.floor(contentLength)} actual={data.length} />)
+    }, (err) => {
+      console.warn(err, err.stack)
+      report(<Assert key="should convert blob to text" expect={true} actual={false} />)
+    }),
+    get((res) => {
+      contentLength = res.headers['Content-Length']
+      return res.blob()
+    }, (blob) => {
+      return fs.stat(blob.getRNFetchBlobRef()).then((stat) => {
+        report(<Assert key="stored file size correct" expect={contentLength} actual={stat.size} />)
+        return blob.readBlob('base64')
+      })
+      .then((b64) => {
+        report(<Info key="stored image">
+          <Image style={styles.image} source={{uri : 'data:image/png;BASE64 ,' + b64}}/>
+        </Info>)
+      })
+
+    }, (err) => {
+      console.warn(err, err.stack)
+      report(<Assert key="should convert blob to blob" expect={true} actual={false} />)
+    })
+  ]
+  Promise.all(promises).then( () => done() )
 
 })
 
-describe('GET request which has blob response', (report, done) => {
+describe('POST base64 body auto strategy', (report, done) => {
+
+  let image = RNTest.prop('image')
+  let tmpPath = dirs.DocumentDir + '/tmp-' + Date.now()
+
+  function upload(desc, method, pBody) {
+    let name = `fetch-replacement-${Platform.OS}-${Date.now()}.png`
+    return pBody.then((body) =>
+      fetch('https://content.dropboxapi.com/2/files/upload', {
+        method : method,
+        headers : {
+          Authorization : `Bearer ${DROPBOX_TOKEN}`,
+          'Dropbox-API-Arg': '{\"path\": \"/rn-upload/'+name+'\",\"mode\": \"add\",\"autorename\": true,\"mute\": false}',
+          'Content-Type' : 'application/octet-stream'
+        },
+        body : body
+      })
+    )
+    .then((res) => {
+      return res.json()
+    })
+    .then((info) => {
+      report(<Assert key={desc} expect={name} actual={info.name}/>)
+    })
+  }
+
+  let tests = [
+    upload('upload base64 encoded body', 'post', Promise.resolve(image)),
+    upload('upload Blob body', 'post', Blob.build(image, 'image/png;BASE64')),
+    upload('upload file path body', 'post', fs.writeFile(tmpPath, image, 'base64').then(() => Promise.resolve(RNFetchBlob.wrap(tmpPath))))
+  ]
+
+  Promise.all(tests).then(() => done())
+
 
 })