diff options
| -rw-r--r-- | core/modules.rs | 34 |
1 files changed, 34 insertions, 0 deletions
diff --git a/core/modules.rs b/core/modules.rs index 1efab663b..c634a5aa6 100644 --- a/core/modules.rs +++ b/core/modules.rs @@ -500,6 +500,22 @@ impl Deps { }) } } + + pub fn to_json(&self) -> String { + let mut children = "[".to_string(); + + if let Some(ref deps) = self.deps { + for d in deps { + children.push_str(&d.to_json()); + if !d.is_last { + children.push_str(","); + } + } + } + children.push_str("]"); + + format!("[\"{}\",{}]", self.name, children) + } } impl fmt::Display for Deps { @@ -918,4 +934,22 @@ mod tests { assert_eq!(bar_deps.name, "bar"); assert_eq!(bar_deps.deps, Some(vec![])); } + + #[test] + fn test_deps_to_json() { + let mut modules = Modules::new(); + modules.register(1, "foo"); + modules.register(2, "bar"); + modules.register(3, "baz"); + modules.register(4, "zuh"); + modules.add_child(1, "bar"); + modules.add_child(1, "baz"); + modules.add_child(3, "zuh"); + let maybe_deps = modules.deps("foo"); + assert!(maybe_deps.is_some()); + assert_eq!( + "[\"foo\",[[\"bar\",[]],[\"baz\",[[\"zuh\",[]]]]]]", + maybe_deps.unwrap().to_json() + ); + } } |