all: require calling optfn() ? / optfn() or {...} for fn optfn() ? {}

vlib/net/ftp/ftp_test.v

@@ -1,42 +1,49 @@
 import net.ftp
 
-// NB: this function makes network calls to external servers,
-// that is why it is not a very good idea to run it in CI.
-// If you want to run it manually, use `v -d network vlib/net/ftp/ftp_test.v`
-fn ftp_client_test_inside() ? {
-	$if !network ? { return }
-	mut ftp := ftp.new()
-	defer {
-		ftp.close()
+fn test_ftp_cleint() {
+	$if !network ? {
+		return
 	}
-	connect_result := ftp.connect('ftp.redhat.com')?
+	// NB: this function makes network calls to external servers,
+	// that is why it is not a very good idea to run it in CI.
+	// If you want to run it manually, use:
+    // `v -d network vlib/net/ftp/ftp_test.v`
+	ftp_client_test_inside() or { panic(err) }
+}
+
+fn ftp_client_test_inside() ? {
+	mut zftp := ftp.new()
+    // eprintln(zftp)
+	defer {
+		zftp.close() or { panic(err) }
+	}
+	connect_result := zftp.connect('ftp.redhat.com') ?
 	assert connect_result
-	login_result := ftp.login('ftp', 'ftp')?
+	login_result := zftp.login('ftp', 'ftp') ?
 	assert login_result
-	pwd := ftp.pwd()?
+	pwd := zftp.pwd() ?
 	assert pwd.len > 0
-	ftp.cd('/')
-	dir_list1 := ftp.dir() or {
+	zftp.cd('/') or {
+		assert false
+		return
+	}
+	dir_list1 := zftp.dir() or {
 		assert false
 		return
 	}
 	assert dir_list1.len > 0
-	ftp.cd('/suse/linux/enterprise/11Server/en/SAT-TOOLS/SRPMS/')
-	dir_list2 := ftp.dir() or {
+	zftp.cd('/suse/linux/enterprise/11Server/en/SAT-TOOLS/SRPMS/') or {
+		assert false
+		return
+	}
+	dir_list2 := zftp.dir() or {
 		assert false
 		return
 	}
 	assert dir_list2.len > 0
-	blob := ftp.get('katello-host-tools-3.3.5-8.sles11_4sat.src.rpm') or {
+	blob := zftp.get('katello-host-tools-3.3.5-8.sles11_4sat.src.rpm') or {
 		assert false
 		return
 	}
 	assert blob.len > 0
 }
-
-
-fn test_ftp_cleint() {
-	ftp_client_test_inside() or {
-		panic(err)
-	}
-}