fix(BRIDGE-4): logs not being created when invalid flag is passed

cmd/Desktop-Bridge/main_test.go

@@ -0,0 +1,47 @@
+// Copyright (c) 2024 Proton AG
+//
+// This file is part of Proton Mail Bridge.
+//
+// Proton Mail Bridge is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// Proton Mail Bridge is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with Proton Mail Bridge. If not, see <https://www.gnu.org/licenses/>.
+
+package main
+
+import (
+	"testing"
+
+	"github.com/stretchr/testify/require"
+)
+
+func TestGetFlagValue(t *testing.T) {
+	tests := []struct {
+		args     []string
+		flag     string
+		expected string
+	}{
+		{[]string{"session-id", ""}, "session-id", ""},
+		{[]string{"-session-id", ""}, "session-id", ""},
+		{[]string{"--session-id", ""}, "session-id", ""},
+		{[]string{"session-id", "test"}, "session-id", ""},
+		{[]string{"-session-id", "test"}, "session-id", "test"},
+		{[]string{"--session-id", "test"}, "session-id", "test"},
+		{[]string{"session-id=test"}, "session-id", ""},
+		{[]string{"-session-id=test"}, "session-id", "test"},
+		{[]string{"--session-id=test"}, "session-id", "test"},
+	}
+
+	for _, tt := range tests {
+		val, _ := getFlagValue(tt.args, tt.flag)
+		require.Equal(t, val, tt.expected)
+	}
+}