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read.go
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read.go
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// Copyright (c) 2018 Uber Technologies, Inc.
//
// Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the "Software"), to deal
// in the Software without restriction, including without limitation the rights
// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
// copies of the Software, and to permit persons to whom the Software is
// furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in
// all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
// THE SOFTWARE.
package test
import (
"bytes"
"io"
"testing"
"time"
"github.com/m3db/m3/src/query/generated/proto/prompb"
"github.com/golang/protobuf/proto"
"github.com/golang/snappy"
"github.com/stretchr/testify/require"
)
// GeneratePromReadRequest generates a Prometheus remote
// read request.
func GeneratePromReadRequest() *prompb.ReadRequest {
return &prompb.ReadRequest{
Queries: []*prompb.Query{
&prompb.Query{
StartTimestampMs: time.Now().UnixNano()/int64(time.Millisecond) - int64(60000*time.Millisecond),
EndTimestampMs: time.Now().UnixNano() / int64(time.Millisecond),
Matchers: []*prompb.LabelMatcher{
&prompb.LabelMatcher{
Name: []byte("__name__"),
Value: []byte("first"),
Type: prompb.LabelMatcher_EQ,
},
},
},
},
}
}
// GeneratePromReadRequestBody generates a Prometheus remote
// read request body.
func GeneratePromReadRequestBody(
t *testing.T,
req *prompb.ReadRequest,
) io.Reader {
data, err := proto.Marshal(req)
require.NoError(t, err)
compressed := snappy.Encode(nil, data)
return bytes.NewReader(compressed)
}