github.com/go-graphite/carbonapi@v0.17.0/expr/functions/absolute/function_test.go (about)

     1  package absolute
     2  
     3  import (
     4  	"testing"
     5  	"time"
     6  
     7  	"github.com/go-graphite/carbonapi/expr/interfaces"
     8  	"github.com/go-graphite/carbonapi/expr/metadata"
     9  	"github.com/go-graphite/carbonapi/expr/types"
    10  	"github.com/go-graphite/carbonapi/pkg/parser"
    11  	th "github.com/go-graphite/carbonapi/tests"
    12  )
    13  
    14  var (
    15  	md []interfaces.FunctionMetadata = New("")
    16  )
    17  
    18  func init() {
    19  	for _, m := range md {
    20  		metadata.RegisterFunction(m.Name, m.F)
    21  	}
    22  }
    23  
    24  func TestAbsolute(t *testing.T) {
    25  	now32 := int64(time.Now().Unix())
    26  
    27  	tests := []th.EvalTestItem{
    28  		{
    29  			"absolute(metric1)",
    30  			map[parser.MetricRequest][]*types.MetricData{
    31  				{"metric1", "", 0, 1}: {types.MakeMetricData("metric1", []float64{0, -1, 2, -3, 4, 5}, 1, now32)},
    32  			},
    33  			[]*types.MetricData{types.MakeMetricData("absolute(metric1)",
    34  				[]float64{0, 1, 2, 3, 4, 5}, 1, now32).SetTag("absolute", "1").SetNameTag("absolute(metric1)")},
    35  		},
    36  	}
    37  
    38  	for _, tt := range tests {
    39  		testName := tt.Target
    40  		t.Run(testName, func(t *testing.T) {
    41  			eval := th.EvaluatorFromFunc(md[0].F)
    42  			th.TestEvalExpr(t, eval, &tt)
    43  		})
    44  	}
    45  }