github.com/m3db/m3@v1.5.0/src/query/api/v1/handler/prometheus/remote/test/read.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 test
    22  
    23  import (
    24  	"bytes"
    25  	"io"
    26  	"testing"
    27  	"time"
    28  
    29  	"github.com/m3db/m3/src/query/generated/proto/prompb"
    30  
    31  	"github.com/golang/protobuf/proto"
    32  	"github.com/golang/snappy"
    33  	"github.com/prometheus/common/model"
    34  	"github.com/stretchr/testify/require"
    35  )
    36  
    37  // GeneratePromReadRequest generates a Prometheus remote
    38  // read request.
    39  func GeneratePromReadRequest() *prompb.ReadRequest {
    40  	return &prompb.ReadRequest{
    41  		Queries: []*prompb.Query{
    42  			&prompb.Query{
    43  				StartTimestampMs: time.Now().UnixNano()/int64(time.Millisecond) - int64(60000*time.Millisecond),
    44  				EndTimestampMs:   time.Now().UnixNano() / int64(time.Millisecond),
    45  				Matchers: []*prompb.LabelMatcher{
    46  					&prompb.LabelMatcher{
    47  						Name:  []byte(model.MetricNameLabel),
    48  						Value: []byte("first"),
    49  						Type:  prompb.LabelMatcher_EQ,
    50  					},
    51  				},
    52  			},
    53  		},
    54  	}
    55  }
    56  
    57  // GeneratePromReadRequestBody generates a Prometheus remote
    58  // read request body.
    59  func GeneratePromReadRequestBody(
    60  	t *testing.T,
    61  	req *prompb.ReadRequest,
    62  ) io.Reader {
    63  	data, err := proto.Marshal(req)
    64  	require.NoError(t, err)
    65  
    66  	compressed := snappy.Encode(nil, data)
    67  	return bytes.NewReader(compressed)
    68  }