github.com/uber/kraken@v0.1.4/lib/backend/httpbackend/http_test.go (about)

     1  // Copyright (c) 2016-2019 Uber Technologies, Inc.
     2  //
     3  // Licensed under the Apache License, Version 2.0 (the "License");
     4  // you may not use this file except in compliance with the License.
     5  // You may obtain a copy of the License at
     6  //
     7  //     http://www.apache.org/licenses/LICENSE-2.0
     8  //
     9  // Unless required by applicable law or agreed to in writing, software
    10  // distributed under the License is distributed on an "AS IS" BASIS,
    11  // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    12  // See the License for the specific language governing permissions and
    13  // limitations under the License.
    14  package httpbackend
    15  
    16  import (
    17  	"bytes"
    18  	"io"
    19  	"net/http"
    20  	"testing"
    21  
    22  	"github.com/uber/kraken/core"
    23  	"github.com/uber/kraken/lib/backend/backenderrors"
    24  	"github.com/uber/kraken/utils/memsize"
    25  	"github.com/uber/kraken/utils/randutil"
    26  	"github.com/uber/kraken/utils/testutil"
    27  
    28  	"github.com/pressly/chi"
    29  	"github.com/stretchr/testify/require"
    30  )
    31  
    32  func TestClientFactory(t *testing.T) {
    33  	require := require.New(t)
    34  
    35  	config := Config{}
    36  	f := factory{}
    37  	_, err := f.Create(config, nil)
    38  	require.NoError(err)
    39  }
    40  
    41  func TestHttpDownloadSuccess(t *testing.T) {
    42  	require := require.New(t)
    43  
    44  	blob := randutil.Blob(32 * memsize.KB)
    45  
    46  	r := chi.NewRouter()
    47  	r.Get("/data/{blob}", func(w http.ResponseWriter, req *http.Request) {
    48  		_, err := io.Copy(w, bytes.NewReader(blob))
    49  		require.NoError(err)
    50  	})
    51  	addr, stop := testutil.StartServer(r)
    52  	defer stop()
    53  
    54  	config := Config{DownloadURL: "http://" + addr + "/data/%s"}
    55  	client, err := NewClient(config)
    56  	require.NoError(err)
    57  
    58  	var b bytes.Buffer
    59  	require.NoError(client.Download(core.NamespaceFixture(), "data", &b))
    60  	require.Equal(blob, b.Bytes())
    61  }
    62  
    63  func TestHttpDownloadFileNotFound(t *testing.T) {
    64  	require := require.New(t)
    65  
    66  	r := chi.NewRouter()
    67  	r.Get("/data/{blob}", func(w http.ResponseWriter, req *http.Request) {
    68  		w.WriteHeader(http.StatusNotFound)
    69  		w.Write([]byte("file not found"))
    70  	})
    71  	addr, stop := testutil.StartServer(r)
    72  	defer stop()
    73  
    74  	config := Config{DownloadURL: "http://" + addr + "/data/%s"}
    75  	client, err := NewClient(config)
    76  	require.NoError(err)
    77  
    78  	var b bytes.Buffer
    79  	require.Equal(backenderrors.ErrBlobNotFound, client.Download(core.NamespaceFixture(), "data", &b))
    80  }
    81  
    82  func TestDownloadMalformedURLThrowsError(t *testing.T) {
    83  	require := require.New(t)
    84  
    85  	// Empty router.
    86  	addr, stop := testutil.StartServer(chi.NewRouter())
    87  	defer stop()
    88  
    89  	config := Config{DownloadURL: "http://" + addr + "/data"}
    90  	client, err := NewClient(config)
    91  	require.NoError(err)
    92  
    93  	var b bytes.Buffer
    94  	require.Error(client.Download(core.NamespaceFixture(), "data", &b))
    95  }