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

     1  // Copyright (c) 2019 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 influxdb
    22  
    23  import (
    24  	"testing"
    25  
    26  	"github.com/stretchr/testify/assert"
    27  )
    28  
    29  type test struct {
    30  	in, outMetric, outMetricTail, outLabel string
    31  }
    32  
    33  func TestPromRewriter(t *testing.T) {
    34  	r := newPromRewriter()
    35  	tests := []test{{"foo", "foo", "foo", "foo"},
    36  		{".bar", "_bar", "_bar", "_bar"},
    37  		{"b.ar", "b_ar", "b_ar", "b_ar"},
    38  		{":bar", ":bar", ":bar", "_bar"},
    39  		{"ba:r", "ba:r", "ba:r", "ba_r"},
    40  		{"9bar", "_bar", "9bar", "_bar"},
    41  	}
    42  	for _, test := range tests {
    43  		in1 := []byte(test.in)
    44  		r.rewriteMetric(in1)
    45  		assert.Equal(t, test.outMetric, string(in1))
    46  		in2 := []byte(test.in)
    47  		r.rewriteMetricTail(in2)
    48  		assert.Equal(t, test.outMetricTail, string(in2))
    49  		in3 := []byte(test.in)
    50  		r.rewriteLabel(in3)
    51  		assert.Equal(t, test.outLabel, string(in3))
    52  	}
    53  }