test-results: package frontend: add upload handler

go/src/infra/appengine/test-results/model/test_file.go

 package model
 
 import (
         "bytes"
         "fmt"
         "io"
         "io/ioutil"
         "math"
         "time"
 
@@ skipping 164 matching lines @@
                         "model: data too large %d bytes (max allowed %d bytes)",
                         len(data),
                         maxDataEntries*maxBlobLen,
                 )
         }
 
         // Break data into chunks of max. allowed blob length.
         numEntries := int(math.Ceil(float64(len(data)) / maxBlobLen))
         dataEntries := make([]DataEntry, 0, numEntries)
         for i := 0; i < numEntries*maxBlobLen; i += maxBlobLen {
-                dataEntries = append(dataEntries, DataEntry{Data: data[i : i+maxBlobLen]})
+                end := min(i+maxBlobLen, len(data))
+                dataEntries = append(dataEntries, DataEntry{Data: data[i:end]})
         }
 
         if err := datastore.Get(c).Put(dataEntries); err != nil {
                 return err
         }
 
         newKeys := make([]*datastore.Key, 0, len(dataEntries))
         for _, de := range dataEntries {
                 newKeys = append(newKeys, datastore.Get(c).KeyForObj(&de))
         }
@@ skipping 116 matching lines @@
         q = q.Order("-date")
 
         if p.Limit < 0 || p.Limit > defaultLimit {
                 q = q.Limit(defaultLimit)
         } else {
                 q = q.Limit(p.Limit)
         }
 
         return q
 }