github.com/myafeier/fabric@v1.0.1-0.20170722181825-3a4b1f2bce86/common/tools/configtxlator/rest/protolator_handlers_test.go (about)

     1  /*
     2  Copyright IBM Corp. 2017 All Rights Reserved.
     3  
     4  Licensed under the Apache License, Version 2.0 (the "License");
     5  you may not use this file except in compliance with the License.
     6  You may obtain a copy of the License at
     7  
     8                   http://www.apache.org/licenses/LICENSE-2.0
     9  
    10  Unless required by applicable law or agreed to in writing, software
    11  distributed under the License is distributed on an "AS IS" BASIS,
    12  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    13  See the License for the specific language governing permissions and
    14  limitations under the License.
    15  */
    16  
    17  package rest
    18  
    19  import (
    20  	"bytes"
    21  	"fmt"
    22  	"net/http"
    23  	"net/http/httptest"
    24  	"strings"
    25  	"testing"
    26  
    27  	cb "github.com/hyperledger/fabric/protos/common"
    28  	"github.com/hyperledger/fabric/protos/utils"
    29  
    30  	"github.com/golang/protobuf/proto"
    31  	"github.com/stretchr/testify/assert"
    32  )
    33  
    34  var (
    35  	testProto = &cb.Block{
    36  		Header: &cb.BlockHeader{
    37  			PreviousHash: []byte("foo"),
    38  		},
    39  		Data: &cb.BlockData{
    40  			Data: [][]byte{
    41  				utils.MarshalOrPanic(&cb.Envelope{
    42  					Signature: []byte("bar"),
    43  				}),
    44  			},
    45  		},
    46  	}
    47  
    48  	testOutput = `{"data":{"data":[{"signature":"YmFy"}]},"header":{"previous_hash":"Zm9v"}}`
    49  )
    50  
    51  func TestProtolatorDecode(t *testing.T) {
    52  	data, err := proto.Marshal(testProto)
    53  	assert.NoError(t, err)
    54  
    55  	url := fmt.Sprintf("/protolator/decode/%s", proto.MessageName(testProto))
    56  
    57  	req, _ := http.NewRequest("POST", url, bytes.NewReader(data))
    58  	rec := httptest.NewRecorder()
    59  	r := NewRouter()
    60  	r.ServeHTTP(rec, req)
    61  
    62  	assert.Equal(t, http.StatusOK, rec.Code)
    63  
    64  	// Remove all the whitespace
    65  	compactJSON := strings.Replace(strings.Replace(strings.Replace(rec.Body.String(), "\n", "", -1), "\t", "", -1), " ", "", -1)
    66  
    67  	assert.Equal(t, testOutput, compactJSON)
    68  }
    69  
    70  func TestProtolatorEncode(t *testing.T) {
    71  
    72  	url := fmt.Sprintf("/protolator/encode/%s", proto.MessageName(testProto))
    73  
    74  	req, _ := http.NewRequest("POST", url, bytes.NewReader([]byte(testOutput)))
    75  	rec := httptest.NewRecorder()
    76  	r := NewRouter()
    77  	r.ServeHTTP(rec, req)
    78  
    79  	assert.Equal(t, http.StatusOK, rec.Code)
    80  
    81  	outputMsg := &cb.Block{}
    82  
    83  	err := proto.Unmarshal(rec.Body.Bytes(), outputMsg)
    84  	assert.NoError(t, err)
    85  	assert.Equal(t, testProto, outputMsg)
    86  }
    87  
    88  func TestProtolatorDecodeNonExistantProto(t *testing.T) {
    89  	req, _ := http.NewRequest("POST", "/protolator/decode/NonExistantMsg", bytes.NewReader([]byte{}))
    90  	rec := httptest.NewRecorder()
    91  	r := NewRouter()
    92  	r.ServeHTTP(rec, req)
    93  
    94  	assert.Equal(t, http.StatusNotFound, rec.Code)
    95  }
    96  
    97  func TestProtolatorEncodeNonExistantProto(t *testing.T) {
    98  	req, _ := http.NewRequest("POST", "/protolator/encode/NonExistantMsg", bytes.NewReader([]byte{}))
    99  	rec := httptest.NewRecorder()
   100  	r := NewRouter()
   101  	r.ServeHTTP(rec, req)
   102  
   103  	assert.Equal(t, http.StatusNotFound, rec.Code)
   104  }
   105  
   106  func TestProtolatorDecodeBadData(t *testing.T) {
   107  	url := fmt.Sprintf("/protolator/decode/%s", proto.MessageName(testProto))
   108  
   109  	req, _ := http.NewRequest("POST", url, bytes.NewReader([]byte("Garbage")))
   110  
   111  	rec := httptest.NewRecorder()
   112  	r := NewRouter()
   113  	r.ServeHTTP(rec, req)
   114  
   115  	assert.Equal(t, http.StatusBadRequest, rec.Code)
   116  }
   117  
   118  func TestProtolatorEncodeBadData(t *testing.T) {
   119  	url := fmt.Sprintf("/protolator/encode/%s", proto.MessageName(testProto))
   120  
   121  	req, _ := http.NewRequest("POST", url, bytes.NewReader([]byte("Garbage")))
   122  
   123  	rec := httptest.NewRecorder()
   124  	r := NewRouter()
   125  	r.ServeHTTP(rec, req)
   126  
   127  	assert.Equal(t, http.StatusBadRequest, rec.Code)
   128  }