From 57e8df990c7c251b3cc73c2df6af6bf73367d234 Mon Sep 17 00:00:00 2001
From: Jakob Unterwurzacher
Date: Sun, 16 Oct 2016 13:39:25 +0200
Subject: tests: split "normal" tests into "cli" and "defaults"

Also fixes the failure to run the benchmarks do to the missing
gocryptfs.diriv.
---
 tests/defaults/main_test.go        |  17 +++++
 tests/defaults/performance_test.go | 131 +++++++++++++++++++++++++++++++++++++
 2 files changed, 148 insertions(+)
 create mode 100644 tests/defaults/main_test.go
 create mode 100644 tests/defaults/performance_test.go

(limited to 'tests/defaults')

diff --git a/tests/defaults/main_test.go b/tests/defaults/main_test.go
new file mode 100644
index 0000000..a623c48
--- /dev/null
+++ b/tests/defaults/main_test.go
@@ -0,0 +1,17 @@
+// Tests and benchmarks performed with default settings only.
+package defaults
+
+import (
+	"os"
+	"testing"
+
+	"github.com/rfjakob/gocryptfs/tests/test_helpers"
+)
+
+func TestMain(m *testing.M) {
+	test_helpers.ResetTmpDir(true)
+	test_helpers.MountOrExit(test_helpers.DefaultCipherDir, test_helpers.DefaultPlainDir, "-zerokey")
+	r := m.Run()
+	test_helpers.UnmountPanic(test_helpers.DefaultPlainDir)
+	os.Exit(r)
+}
diff --git a/tests/defaults/performance_test.go b/tests/defaults/performance_test.go
new file mode 100644
index 0000000..a2ecf8c
--- /dev/null
+++ b/tests/defaults/performance_test.go
@@ -0,0 +1,131 @@
+// Tests and benchmarks performed with default settings only.
+package defaults
+
+import (
+	"fmt"
+	"io"
+	"io/ioutil"
+	"os"
+	"testing"
+
+	"github.com/rfjakob/gocryptfs/tests/test_helpers"
+)
+
+// Benchmarks
+func BenchmarkStreamWrite(t *testing.B) {
+	buf := make([]byte, 1024*1024)
+	t.SetBytes(int64(len(buf)))
+
+	file, err := os.Create(test_helpers.DefaultPlainDir + "/BenchmarkWrite")
+	if err != nil {
+		t.Fatal(err)
+	}
+
+	t.ResetTimer()
+	var i int
+	for i = 0; i < t.N; i++ {
+		written, err := file.Write(buf)
+		if err != nil {
+			fmt.Printf("err=\"%s\", written=%d\n", err.Error(), written)
+			t.Fatal(err)
+		}
+	}
+	file.Close()
+}
+
+func BenchmarkStreamRead(t *testing.B) {
+	buf := make([]byte, 1024*1024)
+	t.SetBytes(int64(len(buf)))
+
+	fn := test_helpers.DefaultPlainDir + "/BenchmarkWrite"
+	fi, err := os.Stat(fn)
+	if err != nil {
+		t.Fatal(err)
+	}
+	mb := int(fi.Size() / 1024 / 1024)
+
+	if t.N > mb {
+		// Grow file so we can satisfy the test
+		//fmt.Printf("Growing file to %d MB... ", t.N)
+		var f2 *os.File
+		f2, err = os.OpenFile(fn, os.O_WRONLY|os.O_APPEND, 0666)
+		if err != nil {
+			fmt.Println(err)
+			t.FailNow()
+		}
+		for h := 0; h < t.N-mb; h++ {
+			_, err = f2.Write(buf)
+			if err != nil {
+				fmt.Println(err)
+				t.FailNow()
+			}
+		}
+		f2.Close()
+	}
+
+	file, err := os.Open(fn)
+	if err != nil {
+		t.FailNow()
+	}
+	t.ResetTimer()
+	var i int
+	for i = 0; i < t.N; i++ {
+		_, err := file.Read(buf)
+		if err == io.EOF {
+			fmt.Println("Test file too small")
+			t.SkipNow()
+		} else if err != nil {
+			fmt.Println(err)
+			t.FailNow()
+		}
+	}
+	file.Close()
+}
+
+// createFiles - create "count" files of size "size" bytes each
+func createFiles(t *testing.B, count int, size int) {
+	dir := fmt.Sprintf("%s/createFiles_%d_%d", test_helpers.DefaultPlainDir, count, size)
+	err := os.Mkdir(dir, 0777)
+	if err != nil {
+		t.Fatal(err)
+	}
+	buf := make([]byte, size)
+	t.SetBytes(int64(len(buf)))
+	t.ResetTimer()
+	var i int
+	for i = 0; i < count; i++ {
+		file := fmt.Sprintf("%s/%d", dir, i)
+		if size > 0 {
+			err = ioutil.WriteFile(file, buf, 0666)
+		} else {
+			var fh *os.File
+			fh, err = os.Create(file)
+			fh.Close()
+		}
+		if err != nil {
+			t.Fatal(err)
+		}
+	}
+	t.StopTimer()
+	os.RemoveAll(dir)
+}
+
+func BenchmarkCreate0B(t *testing.B) {
+	createFiles(t, t.N, 0)
+}
+
+func BenchmarkCreate1B(t *testing.B) {
+	createFiles(t, t.N, 1)
+}
+
+func BenchmarkCreate100B(t *testing.B) {
+	createFiles(t, t.N, 100)
+}
+
+func BenchmarkCreate4kB(t *testing.B) {
+	createFiles(t, t.N, 4*1024)
+}
+
+func BenchmarkCreate10kB(t *testing.B) {
+	createFiles(t, t.N, 10*1024)
+}
-- 
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