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

     1  // Copyright (c) 2018 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 TestPlacementInitHandler(t *testing.T) {
    42  	ctrl := gomock.NewController(t)
    43  	defer ctrl.Finish()
    44  
    45  	mockService := setupTest(t, ctrl)
    46  	handler := newInitHandler(nil, config.Configuration{}, instrument.NewOptions())
    47  	handler.(*InitHandler).serviceFn = testServiceFn(mockService)
    48  
    49  	// Test topic init success
    50  	initProto := admin.TopicInitRequest{
    51  		NumberOfShards: 256,
    52  	}
    53  	w := httptest.NewRecorder()
    54  	b := bytes.NewBuffer(nil)
    55  	require.NoError(t, jsonMarshaler.Marshal(b, &initProto))
    56  	req := httptest.NewRequest("POST", "/topic/init", b)
    57  	require.NotNil(t, req)
    58  
    59  	mockService.
    60  		EXPECT().
    61  		CheckAndSet(gomock.Any(), 0).
    62  		Return(
    63  			topic.NewTopic().
    64  				SetName(DefaultTopicName).
    65  				SetNumberOfShards(256).
    66  				SetVersion(1),
    67  			nil,
    68  		)
    69  	handler.ServeHTTP(w, req)
    70  	resp := w.Result()
    71  	body, err := ioutil.ReadAll(resp.Body)
    72  	require.NoError(t, err)
    73  	require.Equal(t, http.StatusOK, resp.StatusCode)
    74  
    75  	var respProto admin.TopicGetResponse
    76  	require.NoError(t, jsonUnmarshaler.Unmarshal(bytes.NewBuffer(body), &respProto))
    77  
    78  	validateEqualTopicProto(t, topicpb.Topic{
    79  		Name:           DefaultTopicName,
    80  		NumberOfShards: 256,
    81  	}, *respProto.Topic)
    82  
    83  	require.Equal(t, uint32(1), respProto.Version)
    84  
    85  	// Test error response
    86  	w = httptest.NewRecorder()
    87  	b = bytes.NewBuffer(nil)
    88  	require.NoError(t, jsonMarshaler.Marshal(b, &initProto))
    89  	req = httptest.NewRequest("POST", "/topic/init", b)
    90  	require.NotNil(t, req)
    91  
    92  	mockService.
    93  		EXPECT().
    94  		CheckAndSet(gomock.Any(), 0).
    95  		Return(nil, errors.New("init error"))
    96  	handler.ServeHTTP(w, req)
    97  	resp = w.Result()
    98  	body, err = ioutil.ReadAll(resp.Body)
    99  	require.NoError(t, err)
   100  	require.Equal(t, http.StatusInternalServerError, resp.StatusCode)
   101  	require.JSONEq(t, `{"status":"error","error":"init error"}`, string(body))
   102  }