added recursively deleting folders

added tests for recursive delete

added change dir to fix test + refactor

fixed path issues

changes directory now instead of deleting by path

proftpd fix

added file edge case + more tests

added directory does not exist test

added correct directory after delete test

fixed correct directory test

renamed test directories + files

missed a renamed

client_test.go

@@ -268,3 +268,191 @@ func TestWrongLogin(t *testing.T) {
 		t.Fatal("expected error, got nil")
 	}
 }
+
+func TestDeleteDirRecur(t *testing.T) {
+	if testing.Short() {
+		t.Skip("skipping test in short mode.")
+	}
+	c, err := DialTimeout("localhost:21", 5*time.Second)
+	if err != nil {
+		t.Fatal(err)
+	}
+
+	err = c.Login("anonymous", "anonymous")
+	if err != nil {
+		t.Fatal(err)
+	}
+
+	err = c.NoOp()
+	if err != nil {
+		t.Error(err)
+	}
+
+	err = c.ChangeDir("incoming")
+	if err != nil {
+		t.Error(err)
+	}
+
+	err = c.MakeDir("testDir")
+	if err != nil {
+		t.Error(err)
+	}
+
+	err = c.ChangeDir("testDir")
+	if err != nil {
+		t.Error(err)
+	}
+
+	err = c.MakeDir("anotherDir")
+	if err != nil {
+		t.Error(err)
+	}
+
+	data := bytes.NewBufferString("test text")
+	err = c.Stor("fileTest", data)
+	if err != nil {
+		t.Error(err)
+	}
+
+	err = c.ChangeDirToParent()
+	if err != nil {
+		t.Error(err)
+	}
+	err = c.RemoveDirRecur("testDir")
+	if err != nil {
+		t.Error(err)
+	}
+	dir, err := c.CurrentDir()
+	if err != nil {
+		t.Error(err)
+	} else {
+		if dir != "/incoming" {
+			t.Error("Wrong dir: " + dir)
+		}
+	}
+
+	err = c.ChangeDir("testDir")
+	if err == nil {
+		t.Fatal("expected error, got nil")
+	}
+
+	err = c.Logout()
+	if err != nil {
+		if protoErr := err.(*textproto.Error); protoErr != nil {
+			if protoErr.Code != StatusNotImplemented {
+				t.Error(err)
+			}
+		} else {
+			t.Error(err)
+		}
+	}
+
+	c.Quit()
+}
+
+func TestFileDeleteDirRecur(t *testing.T) {
+	if testing.Short() {
+		t.Skip("skipping test in short mode.")
+	}
+
+	c, err := DialTimeout("localhost:21", 5*time.Second)
+	if err != nil {
+		t.Fatal(err)
+	}
+
+	err = c.Login("anonymous", "anonymous")
+	if err != nil {
+		t.Fatal(err)
+	}
+
+	err = c.ChangeDir("incoming")
+	if err != nil {
+		t.Error(err)
+	}
+
+	data := bytes.NewBufferString(testData)
+	err = c.Stor("testFile", data)
+	if err != nil {
+		t.Error(err)
+	}
+
+	err = c.RemoveDirRecur("testFile")
+	if err == nil {
+		t.Fatal("expected error got nill")
+	}
+
+	dir, err := c.CurrentDir()
+	if err != nil {
+		t.Error(err)
+	} else {
+		if dir != "/incoming" {
+			t.Error("Wrong dir: " + dir)
+		}
+	}
+
+	err = c.Delete("testFile")
+	if err != nil {
+		t.Error(err)
+	}
+
+	err = c.Logout()
+	if err != nil {
+		if protoErr := err.(*textproto.Error); protoErr != nil {
+			if protoErr.Code != StatusNotImplemented {
+				t.Error(err)
+			}
+		} else {
+			t.Error(err)
+		}
+	}
+
+	c.Quit()
+}
+
+func TestMissingFolderDeleteDirRecur(t *testing.T) {
+	if testing.Short() {
+		t.Skip("skipping test in short mode.")
+	}
+
+	c, err := DialTimeout("localhost:21", 5*time.Second)
+	if err != nil {
+		t.Fatal(err)
+	}
+
+	err = c.Login("anonymous", "anonymous")
+	if err != nil {
+		t.Fatal(err)
+	}
+
+	err = c.ChangeDir("incoming")
+	if err != nil {
+		t.Error(err)
+	}
+
+	err = c.RemoveDirRecur("test")
+	if err == nil {
+		t.Fatal("expected error got nill")
+	}
+
+	dir, err := c.CurrentDir()
+	if err != nil {
+		t.Error(err)
+	} else {
+		if dir != "/incoming" {
+			t.Error("Wrong dir: " + dir)
+		}
+	}
+
+	err = c.Logout()
+	if err != nil {
+		if protoErr := err.(*textproto.Error); protoErr != nil {
+			if protoErr.Code != StatusNotImplemented {
+				t.Error(err)
+			}
+		} else {
+			t.Error(err)
+		}
+	}
+
+	c.Quit()
+}