github.com/m3db/m3@v1.5.0/src/query/api/v1/handler/topic/get_test.go (about)

     1  // Copyright (c) 2019 Uber Technologies, Inc.
     2  //
     3  // Permission is hereby granted, free of charge, to any person obtaining a copy
     4  // of this software and associated documentation files (the "Software"), to deal
     5  // in the Software without restriction, including without limitation the rights
     6  // to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
     7  // copies of the Software, and to permit persons to whom the Software is
     8  // furnished to do so, subject to the following conditions:
     9  //
    10  // The above copyright notice and this permission notice shall be included in
    11  // all copies or substantial portions of the Software.
    12  //
    13  // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
    14  // IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
    15  // FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
    16  // AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
    17  // LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
    18  // OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
    19  // THE SOFTWARE.
    20  
    21  package topic
    22  
    23  import (
    24  	"bytes"
    25  	"errors"
    26  	"io/ioutil"
    27  	"net/http"
    28  	"net/http/httptest"
    29  	"testing"
    30  
    31  	"github.com/m3db/m3/src/cmd/services/m3query/config"
    32  	"github.com/m3db/m3/src/msg/generated/proto/topicpb"
    33  	"github.com/m3db/m3/src/msg/topic"
    34  	"github.com/m3db/m3/src/query/generated/proto/admin"
    35  	"github.com/m3db/m3/src/x/instrument"
    36  
    37  	"github.com/golang/mock/gomock"
    38  	"github.com/stretchr/testify/require"
    39  )
    40  
    41  func TestTopicGetHandler(t *testing.T) {
    42  	ctrl := gomock.NewController(t)
    43  	defer ctrl.Finish()
    44  
    45  	mockService := setupTest(t, ctrl)
    46  	handler := newGetHandler(nil, config.Configuration{}, instrument.NewOptions())
    47  	handler.(*GetHandler).serviceFn = testServiceFn(mockService)
    48  
    49  	// Test successful get
    50  	w := httptest.NewRecorder()
    51  	req := httptest.NewRequest("GET", "/topic/get", nil)
    52  	require.NotNil(t, req)
    53  
    54  	mockService.
    55  		EXPECT().
    56  		Get(gomock.Any()).
    57  		Return(
    58  			topic.NewTopic().
    59  				SetName(DefaultTopicName).
    60  				SetNumberOfShards(1024).
    61  				SetVersion(2),
    62  			nil,
    63  		)
    64  	handler.ServeHTTP(w, req)
    65  
    66  	resp := w.Result()
    67  	body, _ := ioutil.ReadAll(resp.Body)
    68  	require.Equal(t, http.StatusOK, resp.StatusCode)
    69  
    70  	var respProto admin.TopicGetResponse
    71  	require.NoError(t, jsonUnmarshaler.Unmarshal(bytes.NewBuffer(body), &respProto))
    72  
    73  	validateEqualTopicProto(t, topicpb.Topic{
    74  		Name:           DefaultTopicName,
    75  		NumberOfShards: 1024,
    76  	}, *respProto.Topic)
    77  	require.Equal(t, uint32(2), respProto.Version)
    78  
    79  	// Test error case
    80  	w = httptest.NewRecorder()
    81  	req = httptest.NewRequest("GET", "/topic/get", nil)
    82  	require.NotNil(t, req)
    83  
    84  	mockService.EXPECT().Get(gomock.Any()).Return(nil, errors.New("key not found"))
    85  	handler.ServeHTTP(w, req)
    86  
    87  	resp = w.Result()
    88  	require.Equal(t, http.StatusNotFound, resp.StatusCode)
    89  }