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use std::collections::HashMap;
pub use crate::Roadmap;
pub use crate::RoadmapError;
pub use crate::RoadmapResult;
pub use crate::Status;
pub use crate::Step;
pub fn from_yaml(yaml: &str) -> RoadmapResult<Roadmap> {
let mut roadmap: HashMap<String, Step> = serde_yaml::from_str(yaml)?;
for (name, step) in roadmap.iter_mut() {
step.set_name(name);
}
let roadmap = Roadmap::new(roadmap);
roadmap.validate()?;
Ok(roadmap)
}
#[cfg(test)]
mod tests {
use super::from_yaml;
#[test]
fn yaml_is_empty() {
assert!(from_yaml("").is_err());
}
#[test]
fn yaml_is_list() {
assert!(from_yaml("[]").is_err());
}
#[test]
fn yaml_unknown_dep() {
assert!(from_yaml("foo: {depends: [bar]}").is_err());
}
#[test]
fn yaml_unknown_status() {
assert!(from_yaml(r#"foo: {status: "bar"}"#).is_err());
}
#[test]
fn yaml_happy() {
let roadmap = from_yaml(
"
first:
label: the first step
second:
label: the second step
depends:
- first
",
)
.unwrap();
let names: Vec<&str> = roadmap.step_names().collect();
assert_eq!(names.len(), 2);
assert!(names.contains(&"first"));
assert!(names.contains(&"second"));
let first = roadmap.get_step("first").unwrap();
assert_eq!(first.name(), "first");
assert_eq!(first.label(), "the first step");
let deps = first.dependencies().count();
assert_eq!(deps, 0);
let second = roadmap.get_step("second").unwrap();
assert_eq!(second.name(), "second");
assert_eq!(second.label(), "the second step");
let deps: Vec<&str> = second.dependencies().collect();
assert_eq!(deps, vec!["first"]);
}
}