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

     1  package perSecond
     2  
     3  import (
     4  	"math"
     5  	"testing"
     6  	"time"
     7  
     8  	"github.com/go-graphite/carbonapi/expr/interfaces"
     9  	"github.com/go-graphite/carbonapi/expr/metadata"
    10  	"github.com/go-graphite/carbonapi/expr/types"
    11  	"github.com/go-graphite/carbonapi/pkg/parser"
    12  	th "github.com/go-graphite/carbonapi/tests"
    13  )
    14  
    15  var (
    16  	md []interfaces.FunctionMetadata = New("")
    17  )
    18  
    19  func init() {
    20  	for _, m := range md {
    21  		metadata.RegisterFunction(m.Name, m.F)
    22  	}
    23  }
    24  
    25  func TestPerSecond(t *testing.T) {
    26  	now32 := int64(time.Now().Unix())
    27  
    28  	tests := []th.EvalTestItem{
    29  		{
    30  			"perSecond(metric1)",
    31  			map[parser.MetricRequest][]*types.MetricData{
    32  				{Metric: "metric1", From: 0, Until: 1}: {types.MakeMetricData("metric1", []float64{27, 19, math.NaN(), 10, 1, 100, 1.5, 10.20}, 1, now32)},
    33  			},
    34  			[]*types.MetricData{types.MakeMetricData("perSecond(metric1)", []float64{math.NaN(), math.NaN(), math.NaN(), math.NaN(), math.NaN(), 99, math.NaN(), 8.7}, 1, now32).SetTag("perSecond", "1")},
    35  		},
    36  		{
    37  			"perSecond(metric1,32)",
    38  			map[parser.MetricRequest][]*types.MetricData{
    39  				{Metric: "metric1", From: 0, Until: 1}: {types.MakeMetricData("metric1", []float64{math.NaN(), 1, 2, 3, 4, 30, 0, 32, math.NaN()}, 1, now32)},
    40  			},
    41  			[]*types.MetricData{types.MakeMetricData("perSecond(metric1,32)", []float64{math.NaN(), math.NaN(), 1, 1, 1, 26, 3, 32, math.NaN()}, 1, now32).SetTag("perSecond", "1")},
    42  		},
    43  		{
    44  			"perSecond(metric1,minValue=1)",
    45  			map[parser.MetricRequest][]*types.MetricData{
    46  				{Metric: "metric1", From: 0, Until: 1}: {types.MakeMetricData("metric1", []float64{math.NaN(), 1, 2, 3, 4, 30, 3, 32, math.NaN()}, 1, now32)},
    47  			},
    48  			[]*types.MetricData{types.MakeMetricData("perSecond(metric1,minValue=1)", []float64{math.NaN(), math.NaN(), 1, 1, 1, 26, 2, 29, math.NaN()}, 1, now32).SetTag("perSecond", "1")},
    49  		},
    50  		{
    51  			"perSecond(metric1)",
    52  			map[parser.MetricRequest][]*types.MetricData{
    53  				{Metric: "metric1", From: 0, Until: 1}: {types.MakeMetricData("metric1", []float64{}, 1, now32)},
    54  			},
    55  			[]*types.MetricData{types.MakeMetricData("perSecond(metric1)", []float64{}, 1, now32).SetTag("perSecond", "1")},
    56  		},
    57  	}
    58  
    59  	for _, tt := range tests {
    60  		testName := tt.Target
    61  		t.Run(testName, func(t *testing.T) {
    62  			eval := th.EvaluatorFromFunc(md[0].F)
    63  			th.TestEvalExpr(t, eval, &tt)
    64  		})
    65  	}
    66  
    67  }