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//
// Copyright (c) 2020-2021 science+computing ag and other contributors
//
// This program and the accompanying materials are made
// available under the terms of the Eclipse Public License 2.0
// which is available at https://www.eclipse.org/legal/epl-2.0/
//
// SPDX-License-Identifier: EPL-2.0
//
use anyhow::Result;
use serde::Deserialize;
use serde::Serialize;
use crate::package::PackageName;
use crate::package::PackageVersionConstraint;
use crate::package::dependency::ParseDependency;
use crate::package::dependency::StringEqual;
use crate::package::dependency::condition::Condition;
/// A dependency that is packaged and is only required during build time
#[derive(Serialize, Deserialize, Clone, Debug, Hash, Eq, PartialEq, Ord, PartialOrd)]
#[serde(untagged)]
pub enum BuildDependency {
Simple(String),
Conditional(String, Condition),
}
impl AsRef<str> for BuildDependency {
fn as_ref(&self) -> &str {
match self {
BuildDependency::Simple(name) => name,
BuildDependency::Conditional(name, _) => name,
}
}
}
impl StringEqual for BuildDependency {
fn str_equal(&self, s: &str) -> bool {
match self {
BuildDependency::Simple(name) => name == s,
BuildDependency::Conditional(name, _) => name == s,
}
}
}
impl ParseDependency for BuildDependency {
fn parse_as_name_and_version(&self) -> Result<(PackageName, PackageVersionConstraint)> {
crate::package::dependency::parse_package_dependency_string_into_name_and_version(self.as_ref())
}
}
#[cfg(test)]
mod tests {
use super::*;
#[derive(serde::Deserialize)]
#[allow(unused)]
pub struct TestSetting {
setting: BuildDependency,
}
#[test]
fn test_parse_dependency() {
let s: TestSetting = toml::from_str(r#"setting = "foo""#).expect("Parsing TestSetting failed");
match s.setting {
BuildDependency::Simple(name) => assert_eq!(name, "foo", "Expected 'foo', got {}", name),
other => panic!("Unexpected deserialization to other variant: {:?}", other),
}
}
}
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