github.com/m3db/m3@v1.5.0/src/query/api/v1/handler/search_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 handler
    22  
    23  import (
    24  	"bytes"
    25  	"context"
    26  	"encoding/json"
    27  	"fmt"
    28  	"io"
    29  	"net/http"
    30  	"net/http/httptest"
    31  	"testing"
    32  	"time"
    33  
    34  	"github.com/m3db/m3/src/dbnode/client"
    35  	"github.com/m3db/m3/src/query/api/v1/handler/prometheus/handleroptions"
    36  	"github.com/m3db/m3/src/query/api/v1/options"
    37  	"github.com/m3db/m3/src/query/models"
    38  	"github.com/m3db/m3/src/query/storage"
    39  	"github.com/m3db/m3/src/query/test"
    40  	"github.com/m3db/m3/src/query/test/m3"
    41  	"github.com/m3db/m3/src/query/test/seriesiter"
    42  	"github.com/m3db/m3/src/x/ident"
    43  	xhttp "github.com/m3db/m3/src/x/net/http"
    44  	xtest "github.com/m3db/m3/src/x/test"
    45  
    46  	"github.com/golang/mock/gomock"
    47  	"github.com/stretchr/testify/assert"
    48  	"github.com/stretchr/testify/require"
    49  )
    50  
    51  const (
    52  	testID = "test_id"
    53  )
    54  
    55  func generateSearchReq() *storage.FetchQuery {
    56  	matchers := models.Matchers{
    57  		{
    58  			Type:  models.MatchEqual,
    59  			Name:  []byte("foo"),
    60  			Value: []byte("bar"),
    61  		},
    62  		{
    63  			Type:  models.MatchEqual,
    64  			Name:  []byte("biz"),
    65  			Value: []byte("baz"),
    66  		},
    67  	}
    68  	return &storage.FetchQuery{
    69  		TagMatchers: matchers,
    70  		Start:       time.Now().Add(-10 * time.Minute),
    71  		End:         time.Now(),
    72  	}
    73  }
    74  
    75  func generateSearchBody(t *testing.T) io.Reader {
    76  	req := generateSearchReq()
    77  	data, err := json.Marshal(req)
    78  	require.NoError(t, err)
    79  
    80  	return bytes.NewReader(data)
    81  }
    82  
    83  func generateTagIters(ctrl *gomock.Controller) *client.MockTaggedIDsIterator {
    84  	mockTaggedIDsIter := client.NewMockTaggedIDsIterator(ctrl)
    85  	mockTaggedIDsIter.EXPECT().Next().Return(true).MaxTimes(1)
    86  	mockTaggedIDsIter.EXPECT().Next().Return(false)
    87  	mockTaggedIDsIter.EXPECT().Current().Return(ident.StringID("ns"),
    88  		ident.StringID(testID), seriesiter.GenerateSingleSampleTagIterator(ctrl, seriesiter.GenerateTag()))
    89  	mockTaggedIDsIter.EXPECT().Err().Return(nil).MinTimes(1)
    90  	mockTaggedIDsIter.EXPECT().Finalize()
    91  
    92  	return mockTaggedIDsIter
    93  }
    94  
    95  func searchServer(t *testing.T) *SearchHandler {
    96  	ctrl := xtest.NewController(t)
    97  
    98  	mockTaggedIDsIter := generateTagIters(ctrl)
    99  
   100  	storage, session := m3.NewStorageAndSession(t, ctrl)
   101  	session.EXPECT().FetchTaggedIDs(gomock.Any(), gomock.Any(), gomock.Any(), gomock.Any()).
   102  		Return(mockTaggedIDsIter, client.FetchResponseMetadata{Exhaustive: false}, nil).AnyTimes()
   103  
   104  	builder, err := handleroptions.NewFetchOptionsBuilder(
   105  		handleroptions.FetchOptionsBuilderOptions{
   106  			Timeout: 15 * time.Second,
   107  		})
   108  	require.NoError(t, err)
   109  	opts := options.EmptyHandlerOptions().
   110  		SetStorage(storage).SetFetchOptionsBuilder(builder)
   111  	search := NewSearchHandler(opts)
   112  	h, ok := search.(*SearchHandler)
   113  	require.True(t, ok)
   114  	return h
   115  }
   116  
   117  func TestSearchResponse(t *testing.T) {
   118  	searchHandler := searchServer(t)
   119  
   120  	opts := storage.NewFetchOptions()
   121  	opts.SeriesLimit = 100
   122  	results, err := searchHandler.search(context.TODO(), generateSearchReq(), opts)
   123  	require.NoError(t, err)
   124  
   125  	assert.Equal(t, []byte(testID), results.Metrics[0].ID)
   126  	expected := test.TagSliceToTags([]models.Tag{{Name: []byte("foo"), Value: []byte("bar")}})
   127  	assert.Equal(t, expected.Tags, results.Metrics[0].Tags.Tags)
   128  }
   129  
   130  func TestSearchEndpoint(t *testing.T) {
   131  	searchHandler := searchServer(t)
   132  	server := httptest.NewServer(searchHandler)
   133  	defer server.Close()
   134  
   135  	urlWithLimit := fmt.Sprintf("%s%s", server.URL, "?limit=90")
   136  	req, _ := http.NewRequest("POST", urlWithLimit, generateSearchBody(t))
   137  	req.Header.Add(xhttp.HeaderContentType, xhttp.ContentTypeJSON)
   138  	resp, err := http.DefaultClient.Do(req)
   139  	require.NoError(t, err)
   140  	defer resp.Body.Close()
   141  	require.NotNil(t, resp)
   142  }