espanso/espanso-package/src/resolver.rs
2021-10-05 22:07:18 +02:00

355 lines
9.1 KiB
Rust

/*
* This file is part of espanso.
*
* Copyright (C) 2019-2021 Federico Terzi
title: (), description: (), version: (), author: () *
* espanso 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.
*
* espanso 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 espanso. If not, see <https://www.gnu.org/licenses/>.
*/
use std::path::{Path, PathBuf};
use anyhow::{anyhow, bail, Context, Result};
use crate::manifest::Manifest;
#[derive(Debug, PartialEq)]
pub struct ResolvedPackage {
pub manifest: Manifest,
pub base_dir: PathBuf,
}
pub fn resolve_package(
base_dir: &Path,
name: &str,
version: Option<&str>,
) -> Result<ResolvedPackage> {
let packages = resolve_all_packages(base_dir)?;
let mut matching_packages: Vec<ResolvedPackage> = packages
.into_iter()
.filter(|package| package.manifest.name == name)
.collect();
if matching_packages.is_empty() {
bail!("no package found with name: {}", name);
}
matching_packages.sort_by(|a, b| natord::compare(&a.manifest.version, &b.manifest.version));
let matching_package = if let Some(explicit_version) = version {
matching_packages
.into_iter()
.find(|package| package.manifest.version == explicit_version)
} else {
matching_packages.into_iter().last()
};
if let Some(matching_package) = matching_package {
Ok(matching_package)
} else {
bail!(
"unable to find version: {} for package: {}",
version.unwrap_or_default(),
name
);
}
}
pub fn resolve_all_packages(base_dir: &Path) -> Result<Vec<ResolvedPackage>> {
let manifest_files = find_all_manifests(base_dir)?;
if manifest_files.is_empty() {
bail!("no manifests found in base_dir");
}
let mut manifests = Vec::new();
for manifest_file in manifest_files {
let base_dir = manifest_file
.parent()
.ok_or_else(|| anyhow!("unable to determine base_dir from manifest path"))?
.to_owned();
let manifest = Manifest::parse(&manifest_file).context("manifest YAML parsing error")?;
manifests.push(ResolvedPackage { manifest, base_dir });
}
Ok(manifests)
}
fn find_all_manifests(base_dir: &Path) -> Result<Vec<PathBuf>> {
let pattern = format!("{}/{}", base_dir.to_string_lossy(), "**/_manifest.yml");
let mut manifests = Vec::new();
for entry in glob::glob(&pattern)? {
let path = entry?;
manifests.push(path);
}
Ok(manifests)
}
#[cfg(test)]
mod tests {
use std::fs::create_dir_all;
use crate::tests::run_with_temp_dir;
use super::*;
#[test]
fn test_read_manifest_base_dir() {
run_with_temp_dir(|base_dir| {
std::fs::write(
base_dir.join("_manifest.yml"),
r#"
name: package1
title: Package 1
author: Federico
version: 0.1.0
description: An awesome package
"#,
)
.unwrap();
let packages = resolve_all_packages(base_dir).unwrap();
assert_eq!(
packages,
vec![ResolvedPackage {
manifest: Manifest {
name: "package1".to_owned(),
title: "Package 1".to_owned(),
version: "0.1.0".to_owned(),
author: "Federico".to_owned(),
description: "An awesome package".to_owned(),
},
base_dir: base_dir.to_path_buf(),
},]
)
});
}
#[test]
fn test_read_manifests_nested_dirs() {
run_with_temp_dir(|base_dir| {
let sub_dir1 = base_dir.join("package1");
let version_dir1 = sub_dir1.join("0.1.0");
create_dir_all(&version_dir1).unwrap();
std::fs::write(
version_dir1.join("_manifest.yml"),
r#"
name: package1
title: Package 1
author: Federico
version: 0.1.0
description: An awesome package
"#,
)
.unwrap();
let sub_dir2 = base_dir.join("package1");
let version_dir2 = sub_dir2.join("0.1.1");
create_dir_all(&version_dir2).unwrap();
std::fs::write(
version_dir2.join("_manifest.yml"),
r#"
name: package1
title: Package 1
author: Federico
version: 0.1.1
description: An awesome package
"#,
)
.unwrap();
let sub_dir3 = base_dir.join("package2");
create_dir_all(&sub_dir3).unwrap();
std::fs::write(
sub_dir3.join("_manifest.yml"),
r#"
name: package2
title: Package 2
author: Federico
version: 2.0.0
description: Another awesome package
"#,
)
.unwrap();
let packages = resolve_all_packages(base_dir).unwrap();
assert_eq!(
packages,
vec![
ResolvedPackage {
manifest: Manifest {
name: "package1".to_owned(),
title: "Package 1".to_owned(),
version: "0.1.0".to_owned(),
author: "Federico".to_owned(),
description: "An awesome package".to_owned(),
},
base_dir: version_dir1,
},
ResolvedPackage {
manifest: Manifest {
name: "package1".to_owned(),
title: "Package 1".to_owned(),
version: "0.1.1".to_owned(),
author: "Federico".to_owned(),
description: "An awesome package".to_owned(),
},
base_dir: version_dir2,
},
ResolvedPackage {
manifest: Manifest {
name: "package2".to_owned(),
title: "Package 2".to_owned(),
version: "2.0.0".to_owned(),
author: "Federico".to_owned(),
description: "Another awesome package".to_owned(),
},
base_dir: sub_dir3,
},
]
)
});
}
#[test]
fn test_resolve_package() {
run_with_temp_dir(|base_dir| {
let sub_dir1 = base_dir.join("package1");
let version_dir1 = sub_dir1.join("0.1.0");
create_dir_all(&version_dir1).unwrap();
std::fs::write(
version_dir1.join("_manifest.yml"),
r#"
name: package1
title: Package 1
author: Federico
version: 0.1.0
description: An awesome package
"#,
)
.unwrap();
let sub_dir2 = base_dir.join("package1");
let version_dir2 = sub_dir2.join("0.1.1");
create_dir_all(&version_dir2).unwrap();
std::fs::write(
version_dir2.join("_manifest.yml"),
r#"
name: package1
title: Package 1
author: Federico
version: 0.1.1
description: An awesome package
"#,
)
.unwrap();
let sub_dir3 = base_dir.join("package2");
create_dir_all(&sub_dir3).unwrap();
std::fs::write(
sub_dir3.join("_manifest.yml"),
r#"
name: package2
title: Package 2
author: Federico
version: 2.0.0
description: Another awesome package
"#,
)
.unwrap();
assert_eq!(
resolve_package(base_dir, "package1", None).unwrap(),
ResolvedPackage {
manifest: Manifest {
name: "package1".to_owned(),
title: "Package 1".to_owned(),
version: "0.1.1".to_owned(),
author: "Federico".to_owned(),
description: "An awesome package".to_owned(),
},
base_dir: version_dir2,
},
);
assert_eq!(
resolve_package(base_dir, "package1", Some("0.1.0")).unwrap(),
ResolvedPackage {
manifest: Manifest {
name: "package1".to_owned(),
title: "Package 1".to_owned(),
version: "0.1.0".to_owned(),
author: "Federico".to_owned(),
description: "An awesome package".to_owned(),
},
base_dir: version_dir1,
},
);
assert_eq!(
resolve_package(base_dir, "package2", None).unwrap(),
ResolvedPackage {
manifest: Manifest {
name: "package2".to_owned(),
title: "Package 2".to_owned(),
version: "2.0.0".to_owned(),
author: "Federico".to_owned(),
description: "Another awesome package".to_owned(),
},
base_dir: sub_dir3,
},
);
assert!(resolve_package(base_dir, "invalid", None).is_err());
assert!(resolve_package(base_dir, "package1", Some("9.9.9")).is_err());
});
}
#[test]
fn test_no_manifest_error() {
run_with_temp_dir(|base_dir| {
assert!(resolve_all_packages(base_dir).is_err());
});
}
#[test]
fn test_malformed_manifest() {
run_with_temp_dir(|base_dir| {
std::fs::write(
base_dir.join("_manifest.yml"),
r#"
name: package1
title: Package 1
author: Federico
"#,
)
.unwrap();
assert!(resolve_all_packages(base_dir).is_err());
});
}
}