Print JSON instead of raw Go structs for -debug.print-events

pkg/parser/gotest/event.go

@@ -2,24 +2,24 @@ package gotest
 
 import "time"
 
-// Event is a single event in a test or benchmark.
+// Event is a single event in a Go test or benchmark.
 type Event struct {
-	Type string
+	Type string `json:"type"`
 
-	Name     string
-	Result   string
-	Duration time.Duration
-	Data     string
-	Indent   int
+	Name     string        `json:"name,omitempty"`
+	Result   string        `json:"result,omitempty"`
+	Duration time.Duration `json:"duration,omitempty"`
+	Data     string        `json:"data,omitempty"`
+	Indent   int           `json:"indent,omitempty"`
 
 	// Code coverage
-	CovPct      float64
-	CovPackages []string
+	CovPct      float64  `json:"coverage_percentage,omitempty"`
+	CovPackages []string `json:"coverage_packages,omitempty"`
 
 	// Benchmarks
-	Iterations  int64
-	NsPerOp     float64
-	MBPerSec    float64
-	BytesPerOp  int64
-	AllocsPerOp int64
+	Iterations  int64   `json:"benchmark_iterations,omitempty"`
+	NsPerOp     float64 `json:"benchmark_ns_per_op,omitempty"`
+	MBPerSec    float64 `json:"benchmark_mb_per_sec,omitempty"`
+	BytesPerOp  int64   `json:"benchmark_bytes_per_op,omitempty"`
+	AllocsPerOp int64   `json:"benchmark_allocs_per_op,omitempty"`
 }