75 lines
2.1 KiB
Rust
75 lines
2.1 KiB
Rust
/*
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* This file is part of espanso.
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*
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* Copyright (C) 2019-2021 Federico Terzi
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*
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* espanso is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* espanso is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with espanso. If not, see <https://www.gnu.org/licenses/>.
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*/
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/// Check if the given string represents an empty YAML.
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/// In other words, it checks if the document is only composed
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/// of spaces and/or comments
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pub fn is_yaml_empty(yaml: &str) -> bool {
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for line in yaml.lines() {
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let trimmed_line = line.trim();
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if !trimmed_line.starts_with('#') && !trimmed_line.is_empty() {
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return false;
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}
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}
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true
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}
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#[cfg(test)]
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pub mod tests {
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use super::*;
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use std::{fs::create_dir_all, path::Path};
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use tempdir::TempDir;
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pub fn use_test_directory(callback: impl FnOnce(&Path, &Path, &Path)) {
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let dir = TempDir::new("tempconfig").unwrap();
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let match_dir = dir.path().join("match");
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create_dir_all(&match_dir).unwrap();
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let config_dir = dir.path().join("config");
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create_dir_all(&config_dir).unwrap();
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callback(
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&dunce::canonicalize(&dir.path()).unwrap(),
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&dunce::canonicalize(match_dir).unwrap(),
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&dunce::canonicalize(config_dir).unwrap(),
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);
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}
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#[test]
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fn is_yaml_empty_document_empty() {
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assert!(is_yaml_empty(""));
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}
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#[test]
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fn is_yaml_empty_document_with_comments() {
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assert!(is_yaml_empty("\n#comment \n \n"));
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}
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#[test]
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fn is_yaml_empty_document_with_comments_and_content() {
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assert!(!is_yaml_empty("\n#comment \n field: true\n"));
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}
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#[test]
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fn is_yaml_empty_document_with_content() {
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assert!(!is_yaml_empty("\nfield: true\n"));
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}
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}
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