Add some auth tests

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Former-commit-id: 2ef8c236e62859b8cacef5b5e679780de7f22add

filemanager_test.go

@@ -0,0 +1,49 @@
+package filemanager
+
+import (
+	"io/ioutil"
+	"os"
+	"path/filepath"
+	"testing"
+
+	"golang.org/x/net/webdav"
+)
+
+type test struct {
+	*FileManager
+	Temp string
+}
+
+func (t test) Clean() {
+	t.db.Close()
+	os.RemoveAll(t.Temp)
+}
+
+func newTest(t *testing.T) *test {
+	temp, err := ioutil.TempDir("", t.Name())
+	if err != nil {
+		t.Fatalf("Error creating temporary directory: %v", err)
+	}
+
+	scope := filepath.Join(temp, "scope")
+	database := filepath.Join(temp, "database.db")
+
+	err = copyDir("./testdata", scope)
+	if err != nil {
+		t.Fatalf("Error copying the test data: %v", err)
+	}
+
+	user := DefaultUser
+	user.FileSystem = webdav.Dir(scope)
+
+	fm, err := New(database, user)
+
+	if err != nil {
+		t.Fatalf("Error creating a file manager instance: %v", err)
+	}
+
+	return &test{
+		FileManager: fm,
+		Temp:        temp,
+	}
+}