github.com/m3db/m3@v1.5.0/src/query/storage/promremote/query_converter_test.go (about)

     1  // Copyright (c) 2021  Uber Technologies, Inc.
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     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
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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.
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    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,
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    16  // AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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    19  // THE SOFTWARE.
    20  
    21  package promremote
    22  
    23  import (
    24  	"testing"
    25  	"time"
    26  
    27  	"github.com/prometheus/prometheus/prompb"
    28  	"github.com/stretchr/testify/assert"
    29  	"github.com/stretchr/testify/require"
    30  
    31  	"github.com/m3db/m3/src/query/models"
    32  	"github.com/m3db/m3/src/query/storage"
    33  	"github.com/m3db/m3/src/query/ts"
    34  	xtime "github.com/m3db/m3/src/x/time"
    35  )
    36  
    37  func TestWriteQueryConverter(t *testing.T) {
    38  	now := xtime.Now()
    39  	dp := ts.Datapoint{
    40  		Timestamp: now,
    41  		Value:     42,
    42  	}
    43  	tag := models.Tag{
    44  		Name:  []byte("test_tag_name"),
    45  		Value: []byte("test_tag_value"),
    46  	}
    47  	convertedToLabel := prompb.Label{
    48  		Name:  "test_tag_name",
    49  		Value: "test_tag_value",
    50  	}
    51  	covertedToSample := prompb.Sample{
    52  		Timestamp: now.ToNormalizedTime(time.Millisecond),
    53  		Value:     42,
    54  	}
    55  
    56  	tcs := []struct {
    57  		name     string
    58  		input    storage.WriteQueryOptions
    59  		expected *prompb.WriteRequest
    60  	}{
    61  		{
    62  			name: "single datapoint",
    63  			input: storage.WriteQueryOptions{
    64  				Tags: models.Tags{
    65  					Opts: models.NewTagOptions(),
    66  					Tags: []models.Tag{tag},
    67  				},
    68  				Datapoints: ts.Datapoints{dp},
    69  				Unit:       xtime.Millisecond,
    70  			},
    71  			expected: promWriteRequest(prompb.TimeSeries{
    72  				Labels:  []prompb.Label{convertedToLabel},
    73  				Samples: []prompb.Sample{covertedToSample},
    74  			}),
    75  		},
    76  		{
    77  			name: "duplicate tags and samples",
    78  			input: storage.WriteQueryOptions{
    79  				Tags: models.Tags{
    80  					Opts: models.NewTagOptions().SetAllowTagNameDuplicates(true),
    81  					Tags: []models.Tag{tag, tag},
    82  				},
    83  				Datapoints: ts.Datapoints{dp, dp},
    84  				Unit:       xtime.Millisecond,
    85  			},
    86  			expected: promWriteRequest(prompb.TimeSeries{
    87  				Labels:  []prompb.Label{convertedToLabel, convertedToLabel},
    88  				Samples: []prompb.Sample{covertedToSample, covertedToSample},
    89  			}),
    90  		},
    91  		{
    92  			name: "overrides metric name tag",
    93  			input: storage.WriteQueryOptions{
    94  				Tags: models.Tags{
    95  					Opts: models.NewTagOptions().SetMetricName(tag.Name),
    96  					Tags: []models.Tag{tag},
    97  				},
    98  				Datapoints: ts.Datapoints{dp},
    99  				Unit:       xtime.Millisecond,
   100  			},
   101  			expected: promWriteRequest(prompb.TimeSeries{
   102  				Labels: []prompb.Label{{
   103  					Name:  "__name__",
   104  					Value: convertedToLabel.Value,
   105  				}},
   106  				Samples: []prompb.Sample{covertedToSample},
   107  			}),
   108  		},
   109  		{
   110  			name: "overrides bucket name name tag",
   111  			input: storage.WriteQueryOptions{
   112  				Tags: models.Tags{
   113  					Opts: models.NewTagOptions().SetBucketName(tag.Name),
   114  					Tags: []models.Tag{tag},
   115  				},
   116  				Datapoints: ts.Datapoints{dp},
   117  				Unit:       xtime.Millisecond,
   118  			},
   119  			expected: promWriteRequest(prompb.TimeSeries{
   120  				Labels: []prompb.Label{{
   121  					Name:  "le",
   122  					Value: convertedToLabel.Value,
   123  				}},
   124  				Samples: []prompb.Sample{covertedToSample},
   125  			}),
   126  		},
   127  	}
   128  
   129  	for _, tc := range tcs {
   130  		tc := tc
   131  		t.Run(tc.name, func(t *testing.T) {
   132  			q, err := storage.NewWriteQuery(tc.input)
   133  			require.NoError(t, err)
   134  			assert.Equal(t, tc.expected, convertWriteQuery(q))
   135  		})
   136  	}
   137  }
   138  
   139  func TestConvertQueryNil(t *testing.T) {
   140  	assert.Nil(t, convertWriteQuery(nil))
   141  }
   142  
   143  func TestEncodeWriteQuery(t *testing.T) {
   144  	data, err := convertAndEncodeWriteQuery(nil)
   145  	require.Error(t, err)
   146  	assert.Len(t, data, 0)
   147  	assert.Contains(t, err.Error(), "received nil query")
   148  }
   149  
   150  func promWriteRequest(ts prompb.TimeSeries) *prompb.WriteRequest {
   151  	return &prompb.WriteRequest{Timeseries: []prompb.TimeSeries{ts}}
   152  }