github.com/m3db/m3@v1.5.0/src/query/api/v1/middleware/request_classification_test.go (about)

     1  // Copyright (c) 2021 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 middleware
    22  
    23  import (
    24  	"testing"
    25  	"time"
    26  
    27  	"github.com/prometheus/prometheus/promql/parser"
    28  	"github.com/stretchr/testify/require"
    29  )
    30  
    31  func TestRetrieveQueryRange(t *testing.T) {
    32  	tests := []struct {
    33  		query string
    34  		ex    time.Duration
    35  	}{
    36  		{
    37  			query: "up",
    38  			ex:    time.Minute * 5,
    39  		},
    40  		{
    41  			query: "up offset 3m",
    42  			ex:    time.Minute * 8,
    43  		},
    44  		{
    45  			query: "rate(up[3m])",
    46  			ex:    time.Minute * 3,
    47  		},
    48  		{
    49  			query: "rate(up[10m])",
    50  			ex:    time.Minute * 10,
    51  		},
    52  		{
    53  			query: "rate(up[1m]) + rate(down[9m])",
    54  			ex:    time.Minute * 9,
    55  		},
    56  		{
    57  			query: "min_over_time(rate(up[1m] offset 1m)[11m:9m])",
    58  			ex:    time.Minute * 13, // 11m subquery range + 1m offset + 1m rate range
    59  		},
    60  	}
    61  
    62  	for _, tt := range tests {
    63  		t.Run(tt.query, func(t *testing.T) {
    64  			expr, err := parser.ParseExpr(tt.query)
    65  			require.NoError(t, err)
    66  			require.Equal(t, tt.ex, retrieveQueryRange(expr, 0))
    67  		})
    68  	}
    69  }