Add test

Author: ubavic

internal/gui/crypto.go

@@ -270,9 +270,14 @@ func closeCryptoUi() {
 }
 
 func sanitizeFilename(input string) string {
-	re := regexp.MustCompile(`[^a-zA-Z0-9._-а-шА-Ш]+`)
+	re := regexp.MustCompile(`[ $&+,:;=?@#|'<>.^*()%!-/\\]+`)
 	filename := re.ReplaceAllString(input, "_")
 
+	re2 := regexp.MustCompile(`_+`)
+	filename = re2.ReplaceAllString(filename, "_")
+
+	filename = strings.Trim(filename, "_")
+
 	if filename == "" {
 		filename = "cert"
 	}

internal/gui/crypto_test.go

@@ -33,3 +33,58 @@ func Test_ExtractCertShortName(t *testing.T) {
 	}
 
 }
+
+func Test_SanitizeFilename(t *testing.T) {
+	testCases := []struct {
+		input    string
+		expected string
+	}{
+		{
+			input:    "",
+			expected: "cert",
+		},
+		{
+			input:    "    ",
+			expected: "cert",
+		},
+		{
+			input:    "!@#",
+			expected: "cert",
+		},
+		{
+			input:    "Pera Miloš Perić",
+			expected: "Pera_Miloš_Perić",
+		},
+		{
+			input:    "Пера Милош Перић",
+			expected: "Пера_Милош_Перић",
+		},
+		{
+			input:    "ЖАРКО ЉУБА ПЕРИЋ",
+			expected: "ЖАРКО_ЉУБА_ПЕРИЋ",
+		},
+		{
+			input:    "John    Doe !!!#",
+			expected: "John_Doe",
+		},
+		{
+			input:    "John    Doe !!!#",
+			expected: "John_Doe",
+		},
+		{
+			input:    "John    Doe !!!#",
+			expected: "John_Doe",
+		},
+		{
+			input:    "Аркадий Иванович Свидригайлов",
+			expected: "Аркадий_Иванович_Свидригайлов",
+		},
+	}
+
+	for _, testCase := range testCases {
+		result := sanitizeFilename(testCase.input)
+		if testCase.expected != result {
+			t.Errorf("Expected `%s` but got `%s`", testCase.expected, result)
+		}
+	}
+}