From a9f5a5105c30dc54a1e41d7d56b160b013087192 Mon Sep 17 00:00:00 2001
From: NatureFreshMilk <naturefreshmilk@github.com>
Date: Wed, 31 Jul 2019 13:32:09 +0200
Subject: [PATCH] more benchmarks

---
 mapblockrenderer/renderer_benchmark_test.go | 75 ++++++++++++++++--
 testutils/mapblockaccessor.go               |  8 ++
 tilerenderer/renderer_benchmark_test.go     | 85 +++++++++++++++++++++
 3 files changed, 163 insertions(+), 5 deletions(-)
 create mode 100644 testutils/mapblockaccessor.go
 create mode 100644 tilerenderer/renderer_benchmark_test.go

diff --git a/mapblockrenderer/renderer_benchmark_test.go b/mapblockrenderer/renderer_benchmark_test.go
index f124c39..3678fff 100644
--- a/mapblockrenderer/renderer_benchmark_test.go
+++ b/mapblockrenderer/renderer_benchmark_test.go
@@ -14,14 +14,19 @@ import (
 	"github.com/sirupsen/logrus"
 )
 
-func BenchmarkRender(b *testing.B) {
-	logrus.SetLevel(logrus.ErrorLevel)
+type callback func()
+
+func createRenderer(b *testing.B) (*MapBlockRenderer, callback) {
+	logrus.SetLevel(logrus.PanicLevel)
 
 	tmpfile, err := ioutil.TempFile("", "TestMigrate.*.sqlite")
 	if err != nil {
 		panic(err)
 	}
-	defer os.Remove(tmpfile.Name())
+	cleanup := func() {
+		os.Remove(tmpfile.Name())
+	}
+
 	testutils.CreateTestDatabase(tmpfile.Name())
 
 	a, err := sqlite.New(tmpfile.Name())
@@ -42,9 +47,51 @@ func BenchmarkRender(b *testing.B) {
 	}
 
 	r := NewMapBlockRenderer(cache, c)
-	os.Mkdir("../test-output", 0755)
-
 	b.ResetTimer()
+
+	return r, cleanup
+}
+
+
+func BenchmarkRenderEmptySingle(b *testing.B) {
+	r, cleanup := createRenderer(b)
+	defer cleanup()
+
+	for n := 0; n < b.N; n++ {
+
+		pos1 := coords.NewMapBlockCoords(10, 0, 10)
+		pos2 := coords.NewMapBlockCoords(10, 0, 10)
+
+		_, err := r.Render(pos1, pos2)
+
+		if err != nil {
+			panic(err)
+		}
+	}
+}
+
+func BenchmarkRenderSingle(b *testing.B) {
+	r, cleanup := createRenderer(b)
+	defer cleanup()
+
+	for n := 0; n < b.N; n++ {
+
+		pos1 := coords.NewMapBlockCoords(0, 0, 0)
+		pos2 := coords.NewMapBlockCoords(0, 0, 0)
+
+		_, err := r.Render(pos1, pos2)
+
+		if err != nil {
+			panic(err)
+		}
+	}
+}
+
+
+func BenchmarkRenderStride(b *testing.B) {
+	r, cleanup := createRenderer(b)
+	defer cleanup()
+
 	for n := 0; n < b.N; n++ {
 
 		pos1 := coords.NewMapBlockCoords(0, 10, 0)
@@ -58,3 +105,21 @@ func BenchmarkRender(b *testing.B) {
 	}
 }
 
+
+func BenchmarkRenderBigStride(b *testing.B) {
+	r, cleanup := createRenderer(b)
+	defer cleanup()
+
+	for n := 0; n < b.N; n++ {
+
+		pos1 := coords.NewMapBlockCoords(0, 1000, 0)
+		pos2 := coords.NewMapBlockCoords(0, -1000, 0)
+
+		_, err := r.Render(pos1, pos2)
+
+		if err != nil {
+			panic(err)
+		}
+	}
+}
+
diff --git a/testutils/mapblockaccessor.go b/testutils/mapblockaccessor.go
new file mode 100644
index 0000000..786f4bd
--- /dev/null
+++ b/testutils/mapblockaccessor.go
@@ -0,0 +1,8 @@
+package testutils
+
+import (
+)
+
+func CreateMapBlockAccessor() {
+}
+
diff --git a/tilerenderer/renderer_benchmark_test.go b/tilerenderer/renderer_benchmark_test.go
new file mode 100644
index 0000000..6670f95
--- /dev/null
+++ b/tilerenderer/renderer_benchmark_test.go
@@ -0,0 +1,85 @@
+package tilerenderer
+
+import (
+	"io/ioutil"
+	"mapserver/colormapping"
+	"mapserver/coords"
+	"mapserver/db/sqlite"
+	"mapserver/layer"
+	"mapserver/mapblockaccessor"
+	"mapserver/mapblockrenderer"
+	"mapserver/testutils"
+	"mapserver/tiledb"
+	"os"
+	"testing"
+	"time"
+
+	"github.com/sirupsen/logrus"
+)
+
+func BenchmarkTileRender(b *testing.B) {
+	logrus.SetLevel(logrus.PanicLevel)
+
+	tmpfile, err := ioutil.TempFile("", "TestTileRender.*.sqlite")
+	if err != nil {
+		panic(err)
+	}
+
+	defer os.Remove(tmpfile.Name())
+	testutils.CreateTestDatabase(tmpfile.Name())
+
+	a, err := sqlite.New(tmpfile.Name())
+	if err != nil {
+		panic(err)
+	}
+
+	err = a.Migrate()
+	if err != nil {
+		panic(err)
+	}
+
+	cache := mapblockaccessor.NewMapBlockAccessor(a, 500*time.Millisecond, 1000*time.Millisecond, 1000)
+	c := colormapping.NewColorMapping()
+	_, err = c.LoadVFSColors(false, "/colors/vanessa.txt")
+	if err != nil {
+		b.Fatal(err)
+	}
+
+	r := mapblockrenderer.NewMapBlockRenderer(cache, c)
+
+	tiletmpdir, err := ioutil.TempDir("", "TestTileRenderTiles.*.sqlite")
+	defer os.RemoveAll(tiletmpdir)
+
+	tdb, _ := tiledb.New(tiletmpdir)
+
+	layers := []*layer.Layer{
+		&layer.Layer{
+			Id:   0,
+			Name: "Base",
+			From: -16,
+			To:   160,
+		},
+	}
+
+	tr := NewTileRenderer(r, tdb, a, layers)
+
+	if tr == nil {
+		panic("no renderer")
+	}
+
+	coord := coords.NewTileCoords(0, 0, 12, 0)
+	b.ResetTimer()
+
+	for n := 0; n < b.N; n++ {
+
+		data, err := tr.Render(coord)
+		if err != nil {
+			panic(err)
+		}
+
+		if data == nil {
+			panic("no data")
+		}
+	}
+
+}