From 552c32c5e9378b85e52c420c4dd2d7ccc827556f Mon Sep 17 00:00:00 2001 From: Jakob Unterwurzacher Date: Mon, 5 Oct 2015 20:32:10 +0200 Subject: Move main binary to gocryptfs_main That way the wrapper shell script can be named just "gocryptfs" --- main_test.go | 265 ----------------------------------------------------------- 1 file changed, 265 deletions(-) delete mode 100644 main_test.go (limited to 'main_test.go') diff --git a/main_test.go b/main_test.go deleted file mode 100644 index 2f606bc..0000000 --- a/main_test.go +++ /dev/null @@ -1,265 +0,0 @@ -package main - -import ( - "bytes" - "crypto/md5" - "encoding/hex" - "fmt" - "io" - "io/ioutil" - "os" - "os/exec" - "testing" - "time" -) - -const tmpDir = "tmp/" -const plainDir = tmpDir + "plain/" -const cipherDir = tmpDir + "cipher/" - -func unmount() error { - fu := exec.Command("fusermount", "-z", "-u", plainDir) - fu.Stdout = os.Stdout - fu.Stderr = os.Stderr - return fu.Run() -} - -func md5fn(filename string) string { - buf, err := ioutil.ReadFile(filename) - if err != nil { - fmt.Printf("ReadFile: %v\n", err) - return "" - } - rawHash := md5.Sum(buf) - hash := hex.EncodeToString(rawHash[:]) - return hash -} - -func TestMain(m *testing.M) { - - fu := exec.Command("fusermount", "-z", "-u", plainDir) - fu.Run() - - os.RemoveAll(tmpDir) - - err := os.MkdirAll(plainDir, 0777) - if err != nil { - panic("Could not create plainDir") - } - - err = os.MkdirAll(cipherDir, 0777) - if err != nil { - panic("Could not create cipherDir") - } - - //c := exec.Command("./gocryptfs", "--zerokey", "--cpuprofile", "/tmp/gcfs.cpu", cipherDir, plainDir) - c := exec.Command("./gocryptfs", "--zerokey", cipherDir, plainDir) - c.Stdout = os.Stdout - c.Stderr = os.Stderr - go c.Run() - - time.Sleep(3 * time.Second) - - r := m.Run() - - unmount() - os.Exit(r) -} - -func testWriteN(t *testing.T, fn string, n int) string { - file, err := os.Create(plainDir + fn) - if err != nil { - t.FailNow() - } - - d := make([]byte, n) - written, err := file.Write(d) - if err != nil || written != len(d) { - fmt.Printf("err=\"%s\", written=%d\n", err, written) - t.Fail() - } - file.Close() - - bin := md5.Sum(d) - hashWant := hex.EncodeToString(bin[:]) - - hashActual := md5fn(plainDir + fn) - - if hashActual != hashWant { - fmt.Printf("hashWant=%s hashActual=%s\n", hashWant, hashActual) - t.Fail() - } - - return hashActual -} - -func TestWrite10(t *testing.T) { - testWriteN(t, "10", 10) -} - -func TestWrite100(t *testing.T) { - testWriteN(t, "100", 100) -} - -func TestWrite1M(t *testing.T) { - testWriteN(t, "1M", 1024*1024) -} - -func TestWrite1Mx100(t *testing.T) { - hashWant := testWriteN(t, "1Mx100", 1024*1024) - // Read and check 100 times to catch race conditions - var i int - for i = 0; i < 100; i++ { - hashActual := md5fn(plainDir + "1M") - if hashActual != hashWant { - fmt.Printf("Read corruption in loop # %d\n", i) - t.FailNow() - } else { - //fmt.Print(".") - } - } -} - -func TestTruncate(t *testing.T) { - fn := plainDir + "truncate" - file, err := os.Create(fn) - if err != nil { - t.FailNow() - } - // Grow to two blocks - file.Truncate(7000) - if md5fn(fn) != "95d4ec7038e3e4fdbd5f15c34c3f0b34" { - t.Errorf("Fail 7000") - } - // Shrink - needs RMW - file.Truncate(6999) - if md5fn(fn) != "35fd15873ec6c35380064a41b9b9683b" { - t.Errorf("Fail 6999") - } - // Shrink to one partial block - file.Truncate(465) - if md5fn(fn) != "a1534d6e98a6b21386456a8f66c55260" { - t.Errorf("Fail 465") - } - // Grow to exactly one block - file.Truncate(4096) - if md5fn(fn) != "620f0b67a91f7f74151bc5be745b7110" { - t.Errorf("Fail 4096") - } -} - -func TestAppend(t *testing.T) { - fn := plainDir + "append" - file, err := os.Create(fn) - if err != nil { - t.FailNow() - } - data := []byte("testdata123456789") // length 17 - var buf bytes.Buffer - var hashWant string - for i := 0; i <= 500; i++ { - file.Write(data) - buf.Write(data) - bin := md5.Sum(buf.Bytes()) - hashWant = hex.EncodeToString(bin[:]) - hashActual := md5fn(fn) - if hashWant != hashActual { - t.FailNow() - } - } - - // Overwrite with the same data - // Hash must stay the same - file.Seek(0, 0) - for i := 0; i <= 500; i++ { - file.Write(data) - hashActual := md5fn(fn) - if hashWant != hashActual { - t.FailNow() - } - } -} - -// Create a file with holes by writing to offset 0 (block #0) and -// offset 4096 (block #1). -func TestFileHoles(t *testing.T) { - fn := plainDir + "fileholes" - file, err := os.Create(fn) - if err != nil { - t.Errorf("file create failed") - } - foo := []byte("foo") - file.Write(foo) - file.WriteAt(foo, 4096) - _, err = ioutil.ReadFile(fn) - if err != nil { - t.Error(err) - } -} - -func BenchmarkStreamWrite(t *testing.B) { - buf := make([]byte, 1024*1024) - t.SetBytes(int64(len(buf))) - - file, err := os.Create(plainDir + "BenchmarkWrite") - if err != nil { - t.FailNow() - } - - 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.FailNow() - } - } - file.Close() -} - -func BenchmarkStreamRead(t *testing.B) { - buf := make([]byte, 1024*1024) - t.SetBytes(int64(len(buf))) - - fn := plainDir + "BenchmarkWrite" - fi, _ := os.Stat(fn) - 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) - 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() - //fmt.Printf("done\n") - } - - file, err := os.Open(plainDir + "BenchmarkWrite") - 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.Printf("Test file too small\n") - t.SkipNow() - } else if err != nil { - fmt.Println(err) - t.FailNow() - } - } - file.Close() -} -- cgit v1.2.3