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|
use serde::{
de::{Error, SeqAccess, Visitor},
{Deserialize, Deserializer, Serialize, Serializer},
};
use crate::{Glob, GlobSet, GlobSetBuilder};
impl Serialize for Glob {
fn serialize<S: Serializer>(
&self,
serializer: S,
) -> Result<S::Ok, S::Error> {
serializer.serialize_str(self.glob())
}
}
struct GlobVisitor;
impl<'de> Visitor<'de> for GlobVisitor {
type Value = Glob;
fn expecting(
&self,
formatter: &mut std::fmt::Formatter,
) -> std::fmt::Result {
formatter.write_str("a glob pattern")
}
fn visit_str<E>(self, v: &str) -> Result<Self::Value, E>
where
E: Error,
{
Glob::new(v).map_err(serde::de::Error::custom)
}
}
impl<'de> Deserialize<'de> for Glob {
fn deserialize<D: Deserializer<'de>>(
deserializer: D,
) -> Result<Self, D::Error> {
deserializer.deserialize_str(GlobVisitor)
}
}
struct GlobSetVisitor;
impl<'de> Visitor<'de> for GlobSetVisitor {
type Value = GlobSet;
fn expecting(
&self,
formatter: &mut std::fmt::Formatter,
) -> std::fmt::Result {
formatter.write_str("an array of glob patterns")
}
fn visit_seq<A>(self, mut seq: A) -> Result<Self::Value, A::Error>
where
A: SeqAccess<'de>,
{
let mut builder = GlobSetBuilder::new();
while let Some(glob) = seq.next_element()? {
builder.add(glob);
}
builder.build().map_err(serde::de::Error::custom)
}
}
impl<'de> Deserialize<'de> for GlobSet {
fn deserialize<D: Deserializer<'de>>(
deserializer: D,
) -> Result<Self, D::Error> {
deserializer.deserialize_seq(GlobSetVisitor)
}
}
#[cfg(test)]
mod tests {
use std::collections::HashMap;
use crate::{Glob, GlobSet};
#[test]
fn glob_deserialize_borrowed() {
let string = r#"{"markdown": "*.md"}"#;
let map: HashMap<String, Glob> =
serde_json::from_str(&string).unwrap();
assert_eq!(map["markdown"], Glob::new("*.md").unwrap());
}
#[test]
fn glob_deserialize_owned() {
let string = r#"{"markdown": "*.md"}"#;
let v: serde_json::Value = serde_json::from_str(&string).unwrap();
let map: HashMap<String, Glob> = serde_json::from_value(v).unwrap();
assert_eq!(map["markdown"], Glob::new("*.md").unwrap());
}
#[test]
fn glob_deserialize_error() {
let string = r#"{"error": "["}"#;
let map = serde_json::from_str::<HashMap<String, Glob>>(&string);
assert!(map.is_err());
}
#[test]
fn glob_json_works() {
let test_glob = Glob::new("src/**/*.rs").unwrap();
let ser = serde_json::to_string(&test_glob).unwrap();
assert_eq!(ser, "\"src/**/*.rs\"");
let de: Glob = serde_json::from_str(&ser).unwrap();
assert_eq!(test_glob, de);
}
#[test]
fn glob_set_deserialize() {
let j = r#" ["src/**/*.rs", "README.md"] "#;
let set: GlobSet = serde_json::from_str(j).unwrap();
assert!(set.is_match("src/lib.rs"));
assert!(!set.is_match("Cargo.lock"));
}
}
|
