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authorJakob Unterwurzacher2019-03-05 22:36:58 +0100
committerJakob Unterwurzacher2019-04-08 20:27:13 +0200
commitd851cf805506bdaf979d49cc021216817678f023 (patch)
treeedc231a97670a2b345725ea9e9dd6fb6d7a8254b /tests/matrix
parentd22ccf68b21e75a6a2d43a658002b87bd5d0a2a1 (diff)
tests: add TestConcurrentReadCreate, move to new file
https://github.com/rfjakob/gocryptfs/issues/363
Diffstat (limited to 'tests/matrix')
-rw-r--r--tests/matrix/concurrency_test.go129
-rw-r--r--tests/matrix/matrix_test.go63
2 files changed, 129 insertions, 63 deletions
diff --git a/tests/matrix/concurrency_test.go b/tests/matrix/concurrency_test.go
new file mode 100644
index 0000000..7b0ce1a
--- /dev/null
+++ b/tests/matrix/concurrency_test.go
@@ -0,0 +1,129 @@
+package matrix
+
+import (
+ "bytes"
+ "io"
+ "log"
+ "os"
+ "sync"
+ "syscall"
+ "testing"
+
+ "github.com/rfjakob/gocryptfs/tests/test_helpers"
+)
+
+// https://github.com/rfjakob/gocryptfs/issues/363
+//
+// Note: this test calls log.Fatal() instead of t.Fatal() because apparently,
+// calling t.Fatal() from a goroutine hangs the test.
+func TestConcurrentReadWrite(t *testing.T) {
+ var wg sync.WaitGroup
+ fn := test_helpers.DefaultPlainDir + "/TestConcurrentReadWrite"
+ if f, err := os.Create(fn); err != nil {
+ t.Fatal(err)
+ } else {
+ f.Close()
+ }
+ buf := make([]byte, 100)
+ content := []byte("1234567890")
+ threads := 30
+ loops := 30
+ for i := 0; i < threads; i++ {
+ // Reader thread
+ wg.Add(1)
+ go func() {
+ fRd, err := os.Open(fn)
+ if err != nil {
+ log.Fatal(err)
+ }
+ for j := 0; j < loops; j++ {
+ n, err := fRd.ReadAt(buf, 0)
+ if err != nil && err != io.EOF {
+ log.Fatal(err)
+ }
+ if n != 0 && n != 10 {
+ log.Fatalf("strange read length: %d", n)
+ }
+ }
+ fRd.Close()
+ wg.Done()
+ }()
+
+ // Writer thread
+ wg.Add(1)
+ go func() {
+ fWr, err := os.OpenFile(fn, os.O_RDWR, 0700)
+ if err != nil {
+ log.Fatal(err)
+ }
+ for j := 0; j < loops; j++ {
+ err = fWr.Truncate(0)
+ if err != nil {
+ log.Fatal(err)
+ }
+ _, err = fWr.WriteAt(content, 0)
+ if err != nil {
+ log.Fatal(err)
+ }
+ }
+ fWr.Close()
+ wg.Done()
+ }()
+ }
+ wg.Wait()
+}
+
+// https://github.com/rfjakob/gocryptfs/issues/363
+//
+// Note: this test calls log.Fatal() instead of t.Fatal() because apparently,
+// calling t.Fatal() from a goroutine hangs the test.
+func TestConcurrentReadCreate(t *testing.T) {
+ fn := test_helpers.DefaultPlainDir + "/TestConcurrentReadCreate"
+ content := []byte("1234567890")
+ loops := 1000
+ var wg sync.WaitGroup
+ // "Creater" thread
+ wg.Add(1)
+ go func() {
+ for i := 0; i < loops; i++ {
+ f, err := os.Create(fn)
+ if err != nil {
+ log.Fatal(err)
+ }
+ _, err = f.Write(content)
+ if err != nil {
+ log.Fatal(err)
+ }
+ f.Close()
+ syscall.Unlink(fn)
+ }
+ wg.Done()
+ }()
+ // "Reader" thread
+ wg.Add(1)
+ go func() {
+ buf0 := make([]byte, 100)
+ for i := 0; i < loops; i++ {
+ f, err := os.Open(fn)
+ if err != nil {
+ i++
+ continue
+ }
+ n, err := f.Read(buf0)
+ if err == io.EOF {
+ i++
+ continue
+ }
+ if err != nil {
+ log.Fatal(err)
+ }
+ buf := buf0[:n]
+ if bytes.Compare(buf, content) != 0 {
+ log.Fatal("content mismatch")
+ }
+ f.Close()
+ }
+ wg.Done()
+ }()
+ wg.Wait()
+}
diff --git a/tests/matrix/matrix_test.go b/tests/matrix/matrix_test.go
index b1d12fa..226dfd8 100644
--- a/tests/matrix/matrix_test.go
+++ b/tests/matrix/matrix_test.go
@@ -15,9 +15,7 @@ import (
"bytes"
"flag"
"fmt"
- "io"
"io/ioutil"
- "log"
"os"
"os/exec"
"runtime"
@@ -188,67 +186,6 @@ func TestWrite10Tight(t *testing.T) {
}
}
-// https://github.com/rfjakob/gocryptfs/issues/363
-//
-// Note: this test calls log.Fatal() instead of t.Fatal() because apperently,
-// calling t.Fatal() from a goroutine hangs the test.
-func TestConcurrentReadWrite(t *testing.T) {
- var wg sync.WaitGroup
- fn := test_helpers.DefaultPlainDir + "/TestConcurrentReadWrite"
- if f, err := os.Create(fn); err != nil {
- t.Fatal(err)
- } else {
- f.Close()
- }
- buf := make([]byte, 100)
- content := []byte("1234567890")
- threads := 30
- loops := 30
- for i := 0; i < threads; i++ {
- // Reader thread
- wg.Add(1)
- go func() {
- fRd, err := os.Open(fn)
- if err != nil {
- log.Fatal(err)
- }
- for j := 0; j < loops; j++ {
- n, err := fRd.ReadAt(buf, 0)
- if err != nil && err != io.EOF {
- log.Fatal(err)
- }
- if n != 0 && n != 10 {
- log.Fatalf("strange read length: %d", n)
- }
- }
- fRd.Close()
- wg.Done()
- }()
-
- // Writer thread
- wg.Add(1)
- go func() {
- fWr, err := os.OpenFile(fn, os.O_RDWR, 0700)
- if err != nil {
- log.Fatal(err)
- }
- for j := 0; j < loops; j++ {
- err = fWr.Truncate(0)
- if err != nil {
- log.Fatal(err)
- }
- _, err = fWr.WriteAt(content, 0)
- if err != nil {
- log.Fatal(err)
- }
- }
- fWr.Close()
- wg.Done()
- }()
- }
- wg.Wait()
-}
-
// Hint for calculating reference md5sums:
// dd if=/dev/zero count=1 bs=XYZ | md5sum
func TestTruncate(t *testing.T) {