gtr,parser/gotest: Remove gtr.Benchmark and use gtr.Test for all tests

parser/gotest/benchmark.go

@@ -0,0 +1,48 @@
+package gotest
+
+import (
+	"time"
+
+	"github.com/jstemmer/go-junit-report/v2/gtr"
+)
+
+const (
+	key = "gotest.benchmark"
+)
+
+// Benchmark contains benchmark results and is intended to be used as extra
+// data in a gtr.Test.
+type Benchmark struct {
+	Iterations  int64
+	NsPerOp     float64
+	MBPerSec    float64
+	BytesPerOp  int64
+	AllocsPerOp int64
+}
+
+// ApproximateDuration returns the duration calculated by multiplying the
+// iterations and average time per iteration (NsPerOp).
+func (b Benchmark) ApproximateDuration() time.Duration {
+	return time.Duration(float64(b.Iterations)*b.NsPerOp) * time.Nanosecond
+}
+
+// GetBenchmarkData is a helper function that returns the benchmark contained
+// in the data field of the given gtr.Test t. If no (valid) benchmark is
+// present, ok will be set to false.
+func GetBenchmarkData(t gtr.Test) (b Benchmark, ok bool) {
+	if t.Data != nil {
+		if data, exists := t.Data[key]; exists {
+			bm, ok := data.(Benchmark)
+			return bm, ok
+		}
+	}
+	return Benchmark{}, false
+}
+
+// SetBenchmarkData is a helper function that writes the benchmark b to the
+// data field of the given gtr.Test t.
+func SetBenchmarkData(t *gtr.Test, b Benchmark) {
+	if t.Data != nil {
+		t.Data[key] = b
+	}
+}