tests: root_test: add TestMain

I will add more tests for https://github.com/rfjakob/gocryptfs/issues/893
soon, these will also use DefaultPlainDir.

2 files changed, 19 insertions, 6 deletions

diff --git a/tests/root_test/main_test.go b/tests/root_test/main_test.go
new file mode 100644
index 0000000..915c019
--- /dev/null
+++ b/tests/root_test/main_test.go
@@ -0,0 +1,18 @@
+package root_test
+
+import (
+	"os"
+	"testing"
+
+	"github.com/rfjakob/gocryptfs/v2/tests/test_helpers"
+)
+
+func TestMain(m *testing.M) {
+	test_helpers.ResetTmpDir(true)
+	os.Chmod(test_helpers.DefaultCipherDir, 0755)
+	test_helpers.MountOrExit(test_helpers.DefaultCipherDir, test_helpers.DefaultPlainDir, "-zerokey", "-allow_other")
+	r := m.Run()
+	test_helpers.UnmountPanic(test_helpers.DefaultPlainDir)
+	os.RemoveAll(test_helpers.TmpDir)
+	os.Exit(r)
+}
diff --git a/tests/root_test/root_test.go b/tests/root_test/root_test.go
index 23b44d0..8e1b9b1 100644
--- a/tests/root_test/root_test.go
+++ b/tests/root_test/root_test.go
@@ -83,16 +83,11 @@ func TestSupplementaryGroups(t *testing.T) {
 	if os.Getuid() != 0 {
 		t.Skip("must run as root")
 	}
-	cDir := test_helpers.InitFS(t)
-	os.Chmod(cDir, 0755)
-	pDir := cDir + ".mnt"
-	test_helpers.MountOrFatal(t, cDir, pDir, "-allow_other", "-extpass=echo test")
-	defer test_helpers.UnmountPanic(pDir)
 
 	// We need an unrestricted umask
 	syscall.Umask(0000)
 
-	dir1 := pDir + "/dir1"
+	dir1 := test_helpers.DefaultPlainDir + "/dir1"
 	err := os.Mkdir(dir1, 0770)
 	if err != nil {
 		t.Fatal(err)