tests: move integration tests to separate directory

Also, use new "-defaultonly" flag for benchmarks
(only tests with openssl=true plaintextnames=false)

1 files changed, 0 insertions, 451 deletions

diff --git a/main_test.go b/main_test.go
deleted file mode 100644
index befdb78..0000000
--- a/main_test.go
+++ /dev/null
@@ -1,451 +0,0 @@
-package main
-
-import (
-	"bytes"
-	"crypto/md5"
-	"encoding/hex"
-	"fmt"
-	"io"
-	"io/ioutil"
-	"os"
-	"os/exec"
-	"runtime"
-	"sync"
-	"testing"
-)
-
-const tmpDir = "/tmp/gocryptfs_main_test/"
-// Mountpoint
-const plainDir = tmpDir + "plain/"
-const cipherDir = tmpDir + "cipher/"
-
-func resetTmpDir() {
-	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")
-	}
-}
-
-func mount(extraArgs ...string) {
-	var args []string
-	args = append(args, extraArgs...)
-	//args = append(args, "--fusedebug")
-	args = append(args, cipherDir)
-	args = append(args, plainDir)
-	c := exec.Command("./gocryptfs", args...)
-	// Warning messages clutter the test output. Uncomment if you want to debug
-	// failures.
-	//c.Stdout = os.Stdout
-	//c.Stderr = os.Stderr
-	err := c.Run()
-	if err != nil {
-		fmt.Println(err)
-		os.Exit(1)
-	}
-}
-
-func unmount() error {
-	fu := exec.Command("fusermount", "-z", "-u", plainDir)
-	fu.Stdout = os.Stdout
-	fu.Stderr = os.Stderr
-	return fu.Run()
-}
-
-// Return md5 string for file "filename"
-func md5fn(filename string) string {
-	buf, err := ioutil.ReadFile(filename)
-	if err != nil {
-		fmt.Printf("ReadFile: %v\n", err)
-		return ""
-	}
-	return md5hex(buf)
-}
-
-// Return md5 string for "buf"
-func md5hex(buf []byte) string {
-	rawHash := md5.Sum(buf)
-	hash := hex.EncodeToString(rawHash[:])
-	return hash
-}
-
-// Verify that the file size equals "want". This checks:
-// 1) Size reported by Stat()
-// 2) Number of bytes returned when reading the whole file
-func verifySize(t *testing.T, path string, want int) {
-	buf, err := ioutil.ReadFile(path)
-	if err != nil {
-		t.Errorf("ReadFile failed: %v", err)
-	} else if len(buf) != want {
-		t.Errorf("wrong read size: got=%d want=%d", len(buf), want)
-	}
-
-	fi, err := os.Stat(path)
-	if err != nil {
-		t.Errorf("Stat failed: %v", err)
-	} else if fi.Size() != int64(want) {
-		t.Errorf("wrong stat file size, got=%d want=%d", fi.Size(), want)
-	}
-}
-
-var plaintextNames bool
-
-// This is the entry point for the tests
-func TestMain(m *testing.M) {
-	if testing.Verbose() {
-		// First printf does not show up. Verbose() always return false before "m.Run()"?
-		fmt.Printf("***** Testing with native Go crypto\n")
-	}
-	resetTmpDir()
-	mount("--zerokey", "--openssl=false")
-	r := m.Run()
-	unmount()
-
-	if testing.Verbose() {
-		fmt.Printf("***** Testing with OpenSSL\n")
-	}
-	resetTmpDir()
-	mount("--zerokey")
-	r = m.Run()
-	unmount()
-
-	if testing.Verbose() {
-		fmt.Printf("***** Testing \"--plaintextnames\"\n")
-	}
-	resetTmpDir()
-	mount("--zerokey", "--plaintextnames")
-	plaintextNames = true
-	r = m.Run()
-	unmount()
-
-	os.Exit(r)
-}
-
-// Write "n" zero bytes to filename "fn", read again, compare hash
-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()
-
-	verifySize(t, plainDir+fn, n)
-
-	bin := md5.Sum(d)
-	hashWant := hex.EncodeToString(bin[:])
-
-	hashActual := md5fn(plainDir + fn)
-
-	if hashActual != hashWant {
-		t.Errorf("Wrong content, hashWant=%s hashActual=%s\n", hashWant, hashActual)
-	}
-
-	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)
-	verifySize(t, fn, 7000)
-	if md5fn(fn) != "95d4ec7038e3e4fdbd5f15c34c3f0b34" {
-		t.Errorf("wrong content")
-	}
-	// Shrink - needs RMW
-	file.Truncate(6999)
-	verifySize(t, fn, 6999)
-	if md5fn(fn) != "35fd15873ec6c35380064a41b9b9683b" {
-		t.Errorf("wrong content")
-	}
-	// Shrink to one partial block
-	file.Truncate(465)
-	verifySize(t, fn, 465)
-	if md5fn(fn) != "a1534d6e98a6b21386456a8f66c55260" {
-		t.Errorf("wrong content")
-	}
-	// Grow to exactly one block
-	file.Truncate(4096)
-	verifySize(t, fn, 4096)
-	if md5fn(fn) != "620f0b67a91f7f74151bc5be745b7110" {
-		t.Errorf("wrong content")
-	}
-}
-
-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 sContains(haystack []string, needle string) bool {
-	for _, element := range haystack {
-		if element == needle {
-			return true
-		}
-	}
-	return false
-}
-
-func TestRmwRace(t *testing.T) {
-
-	runtime.GOMAXPROCS(10)
-
-	fn := plainDir + "rmwrace"
-	f1, err := os.Create(fn)
-	if err != nil {
-		t.Fatalf("file create failed")
-	}
-	f2, err := os.Create(fn)
-	if err != nil {
-		t.Fatalf("file create failed")
-	}
-
-	oldBlock := bytes.Repeat([]byte("o"), 4096)
-
-	newBlock := bytes.Repeat([]byte("n"), 4096)
-
-	shortBlock := bytes.Repeat([]byte("s"), 16)
-
-	mergedBlock := make([]byte, 4096)
-	copy(mergedBlock, newBlock)
-	copy(mergedBlock[4080:], shortBlock)
-
-	goodMd5 := make(map[string]int)
-
-	for i := 0; i < 1000; i++ {
-		// Reset to [ooooooooo]
-		_, err = f1.WriteAt(oldBlock, 0)
-		if err != nil {
-			t.Fatalf("Write failed")
-		}
-
-		var wg sync.WaitGroup
-		wg.Add(2)
-
-		// Write to the end of the file, [....ssss]
-		go func() {
-			f1.WriteAt(shortBlock, 4080)
-			wg.Done()
-		}()
-
-		// Overwrite to [nnnnnnn]
-		go func() {
-			f2.WriteAt(newBlock, 0)
-			wg.Done()
-		}()
-
-		wg.Wait()
-
-		// The file should be either:
-		// [nnnnnnnnnn] (md5: 6c1660fdabccd448d1359f27b3db3c99) or
-		// [nnnnnnssss] (md5: da885006a6a284530a427c73ce1e5c32)
-		// but it must not be
-		// [oooooossss]
-
-		buf, _ := ioutil.ReadFile(fn)
-		m := md5hex(buf)
-		goodMd5[m] = goodMd5[m] + 1
-
-		/*
-			if m == "6c1660fdabccd448d1359f27b3db3c99" {
-				fmt.Println(hex.Dump(buf))
-				t.FailNow()
-			}
-		*/
-	}
-	if testing.Verbose() {
-		fmt.Println(goodMd5)
-	}
-}
-
-// With "--plaintextnames", the name "/gocryptfs.conf" is reserved.
-// Otherwise there should be no restrictions.
-func TestFiltered(t *testing.T) {
-	filteredFile := plainDir + "gocryptfs.conf"
-	file, err := os.Create(filteredFile)
-	if plaintextNames == true && err == nil {
-		fmt.Errorf("should have failed but didn't")
-	} else if plaintextNames == false && err != nil {
-		t.Error(err)
-	}
-	file.Close()
-
-	err = os.Remove(filteredFile)
-	if plaintextNames == true && err == nil {
-		fmt.Errorf("should have failed but didn't")
-	} else if plaintextNames == false && err != nil {
-		t.Error(err)
-	}
-}
-
-func TestFilenameEncryption(t *testing.T) {
-	file, err := os.Create(plainDir + "TestFilenameEncryption.txt")
-	file.Close()
-	if err != nil {
-		t.Fatal(err)
-	}
-
-	_, err = os.Stat(cipherDir + "TestFilenameEncryption.txt")
-	if plaintextNames == true && err != nil {
-		t.Errorf("plaintextnames not working: %v", err)
-	} else if plaintextNames == false && err == nil {
-		t.Errorf("file name encryption not working")
-	}
-}
-
-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()
-}