github.com/m3db/m3@v1.5.0/src/metrics/matcher/namespace/test_id.go (about)

     1  // Copyright (c) 2021 Uber Technologies, Inc.
     2  //
     3  // Permission is hereby granted, free of charge, to any person obtaining a copy
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     8  // furnished to do so, subject to the following conditions:
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    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,
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    19  // THE SOFTWARE.
    20  
    21  package namespace
    22  
    23  import (
    24  	"github.com/m3db/m3/src/metrics/metric/id"
    25  )
    26  
    27  // NewTestID creates a new ID for testing that always returns the namespace for TagValue.
    28  func NewTestID(id, namespace string) id.ID {
    29  	return &testID{
    30  		id: []byte(id),
    31  		ns: []byte(namespace),
    32  	}
    33  }
    34  
    35  type testID struct {
    36  	id []byte
    37  	ns []byte
    38  }
    39  
    40  func (t testID) Bytes() []byte {
    41  	return t.id
    42  }
    43  
    44  func (t testID) TagValue(_ []byte) ([]byte, bool) {
    45  	return t.ns, true
    46  }