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

     1  package sinFunction
     2  
     3  import (
     4  	"testing"
     5  
     6  	"github.com/go-graphite/carbonapi/expr/interfaces"
     7  	"github.com/go-graphite/carbonapi/expr/metadata"
     8  	"github.com/go-graphite/carbonapi/expr/types"
     9  	"github.com/go-graphite/carbonapi/pkg/parser"
    10  	th "github.com/go-graphite/carbonapi/tests"
    11  )
    12  
    13  var (
    14  	md []interfaces.FunctionMetadata = New("")
    15  )
    16  
    17  func init() {
    18  	for _, m := range md {
    19  		metadata.RegisterFunction(m.Name, m.F)
    20  	}
    21  }
    22  
    23  func TestSinFunction(t *testing.T) {
    24  	var startTime int64 = 1
    25  
    26  	tests := []th.EvalTestItemWithRange{
    27  		{
    28  			Target: `sinFunction("The.time.series")`,
    29  			M: map[parser.MetricRequest][]*types.MetricData{
    30  				{From: startTime, Until: startTime + 240}: {},
    31  			},
    32  			Want: []*types.MetricData{types.MakeMetricData("The.time.series",
    33  				[]float64{0.8414709848078965, -0.9661177700083929, 0.9988152247235795, -0.936451400117644}, 60, startTime)},
    34  			From:  startTime,
    35  			Until: startTime + 240,
    36  		},
    37  		{
    38  			Target: `sinFunction("The.time.series.2", 5.0, 10)`,
    39  			M: map[parser.MetricRequest][]*types.MetricData{
    40  				{From: startTime, Until: startTime + 60}: {},
    41  			},
    42  			Want: []*types.MetricData{types.MakeMetricData("The.time.series.2",
    43  				[]float64{4.207354924039483, -4.9999510327535175, 4.18327819268028, -2.0201882266153253, -0.7931133440235449, 3.3511458792168733}, 10, startTime)},
    44  			From:  startTime,
    45  			Until: startTime + 60,
    46  		},
    47  	}
    48  
    49  	for _, tt := range tests {
    50  		testName := tt.Target
    51  		t.Run(testName, func(t *testing.T) {
    52  			eval := th.EvaluatorFromFunc(md[0].F)
    53  			th.TestEvalExprWithRange(t, eval, &tt)
    54  		})
    55  	}
    56  }