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-rw-r--r--integration_tests/helpers.go94
1 files changed, 94 insertions, 0 deletions
diff --git a/integration_tests/helpers.go b/integration_tests/helpers.go
new file mode 100644
index 0000000..9bfd9fc
--- /dev/null
+++ b/integration_tests/helpers.go
@@ -0,0 +1,94 @@
+package integration_tests
+
+import (
+ "os"
+ "os/exec"
+ "fmt"
+ "io/ioutil"
+ "crypto/md5"
+ "encoding/hex"
+ "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)
+ }
+}