Setup some benchmarks

src/cmd/jsondebug/benchmark/benchmark_test.go

@@ -0,0 +1,77 @@
+package benchmark
+
+import (
+	"compress/gzip"
+	"io"
+	"os"
+	"testing"
+
+	"github.com/alcionai/corso/src/cmd/jsondebug/common"
+	"github.com/alcionai/corso/src/cmd/jsondebug/decoder"
+)
+
+func runBenchmark(b *testing.B, d common.ManifestDecoder) {
+	for _, unzip := range []string{"NotZipped", "Zipped"} {
+		b.Run(unzip, func(b *testing.B) {
+			for i := 0; i < b.N; i++ {
+				fn := common.ManifestFileName
+				if unzip == "Zipped" {
+					fn += common.GzipSuffix
+				}
+
+				f, err := os.Open(fn)
+				if err != nil {
+					b.Logf("Error opening input file: %v", err)
+					b.FailNow()
+				}
+
+				defer f.Close()
+
+				var r io.ReadCloser = f
+
+				if unzip == "Zipped" {
+					r, err = gzip.NewReader(f)
+					if err != nil {
+						b.Logf("Error getting gzip reader: %v", err)
+						b.FailNow()
+					}
+
+					defer r.Close()
+				}
+
+				b.ResetTimer()
+
+				err = d.Decode(r, false)
+				if err != nil {
+					b.Logf("Error decoding json: %v", err)
+					b.FailNow()
+				}
+			}
+		})
+	}
+}
+
+func Benchmark_Jsonparser(b *testing.B) {
+	d := decoder.JsonParser{}
+	runBenchmark(b, d)
+}
+
+func Benchmark_Stdlib(b *testing.B) {
+	d := decoder.Stdlib{}
+	runBenchmark(b, d)
+}
+
+func Benchmark_Array(b *testing.B) {
+	d := decoder.Array{}
+	runBenchmark(b, d)
+}
+
+func Benchmark_ArrayFull(b *testing.B) {
+	d := decoder.ArrayFull{}
+	runBenchmark(b, d)
+}
+
+func Benchmark_Map(b *testing.B) {
+	d := decoder.Map{}
+	runBenchmark(b, d)
+}