From de38011dd25f37c651e9d9e8285998d52ce961db Mon Sep 17 00:00:00 2001
From: Andrey Smirnov <smirnov.andrey@gmail.com>
Date: Tue, 14 Aug 2018 00:56:15 +0300
Subject: [PATCH] Add simple benchmark for SnapshotCollection.ForEach()

---
 deb/snapshot_bench_test.go | 38 ++++++++++++++++++++++++++++++++++++++
 1 file changed, 38 insertions(+)
 create mode 100644 deb/snapshot_bench_test.go

diff --git a/deb/snapshot_bench_test.go b/deb/snapshot_bench_test.go
new file mode 100644
index 00000000..19997c2c
--- /dev/null
+++ b/deb/snapshot_bench_test.go
@@ -0,0 +1,38 @@
+package deb
+
+import (
+	"fmt"
+	"os"
+	"testing"
+
+	"github.com/aptly-dev/aptly/database"
+)
+
+func BenchmarkSnapshotCollectionForEach(b *testing.B) {
+	const count = 1024
+
+	tmpDir := os.TempDir()
+	defer os.RemoveAll(tmpDir)
+
+	db, _ := database.NewOpenDB(tmpDir)
+	defer db.Close()
+
+	collection := NewSnapshotCollection(db)
+
+	for i := 0; i < count; i++ {
+		snapshot := NewSnapshotFromRefList(fmt.Sprintf("snapshot%d", i), nil, NewPackageRefList(), fmt.Sprintf("Snapshot number %d", i))
+		if collection.Add(snapshot) != nil {
+			b.FailNow()
+		}
+	}
+
+	b.ResetTimer()
+
+	for i := 0; i < b.N; i++ {
+		collection = NewSnapshotCollection(db)
+
+		collection.ForEach(func(s *Snapshot) error {
+			return nil
+		})
+	}
+}