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|
extern crate jsonpath_lib as jsonpath;
extern crate serde;
#[macro_use]
extern crate serde_json;
use serde::Deserialize;
use serde_json::Value;
use common::{compare_result, read_contents, read_json, setup};
use jsonpath::JsonPathError;
mod common;
#[test]
fn compile() {
let compile_object = |path| {
let template = jsonpath::Compiled::compile(path).unwrap();
let json_obj = read_json("./benchmark/data_obj.json");
let json = template.select(&json_obj).unwrap();
let ret = json!([
{"id": 2,"name": "Gray Berry"},
{"id": 2,"name": "Gray Berry"}
]);
compare_result(json, ret);
};
let compile_array = |path| {
let template = jsonpath::Compiled::compile(path).unwrap();
let json_obj = read_json("./benchmark/data_array.json");
let json = template.select(&json_obj).unwrap();
let ret = json!([
{"id": 2,"name": "Gray Berry"},
{"id": 2,"name": "Rosetta Erickson"}
]);
compare_result(json, ret);
};
fn compile_error() {
let template = jsonpath::Compiled::compile("$[");
assert!(template.is_err());
}
setup();
compile_object("$..friends[2]");
compile_array("$..friends[2]");
compile_error();
}
#[test]
fn selector() {
setup();
fn select<'a, F>(selector: &mut F, path: &'a str, target: Value)
where
F: FnMut(&'a str) -> Result<Vec<&Value>, JsonPathError>,
{
let json = selector(path).unwrap();
compare_result(json, target);
}
let json_obj = read_json("./benchmark/data_obj.json");
let mut selector = jsonpath::selector(&json_obj);
select(
&mut selector,
"$..friends[2]",
json!([
{"id": 2,"name": "Gray Berry"},
{"id": 2,"name": "Gray Berry"}
]),
);
select(
&mut selector,
"$..friends[0]",
json!([
{"id": 0},
{"id": 0,"name": "Millicent Norman"}
]),
);
}
#[test]
fn selector_as() {
#[derive(Deserialize, PartialEq, Debug)]
struct Friend {
id: u8,
name: Option<String>,
}
fn select<'a, F>(selector: &mut F, path: &'a str, target: Vec<Friend>)
where
F: FnMut(&'a str) -> Result<Vec<Friend>, JsonPathError>,
{
let json = selector(path).unwrap();
assert_eq!(json, target);
}
let json_obj = read_json("./benchmark/data_obj.json");
let mut selector = jsonpath::selector_as::<Friend>(&json_obj);
select(
&mut selector,
"$..friends[2]",
vec![
Friend {
id: 2,
name: Some("Gray Berry".to_string()),
},
Friend {
id: 2,
name: Some("Gray Berry".to_string()),
},
],
);
select(
&mut selector,
"$..friends[0]",
vec![
Friend { id: 0, name: None },
Friend {
id: 0,
name: Some("Millicent Norman".to_string()),
},
],
);
}
#[test]
fn select() {
let json_obj = read_json("./benchmark/example.json");
let json = jsonpath::select(&json_obj, "$..book[2]").unwrap();
let ret = json!([{
"category" : "fiction",
"author" : "Herman Melville",
"title" : "Moby Dick",
"isbn" : "0-553-21311-3",
"price" : 8.99
}]);
compare_result(json, ret);
}
#[test]
fn select_str() {
let json_str = read_contents("./benchmark/example.json");
let result_str = jsonpath::select_as_str(&json_str, "$..book[2]").unwrap();
let ret = json!([{
"category" : "fiction",
"author" : "Herman Melville",
"title" : "Moby Dick",
"isbn" : "0-553-21311-3",
"price" : 8.99
}]);
let json: Value = serde_json::from_str(&result_str).unwrap();
assert_eq!(json, ret);
}
#[test]
fn test_to_struct() {
#[derive(Deserialize, PartialEq, Debug)]
struct Person {
name: String,
age: u8,
phones: Vec<String>,
}
let ret: Vec<Person> = jsonpath::select_as(
r#"
{
"person":
{
"name": "Doe John",
"age": 44,
"phones": [
"+44 1234567",
"+44 2345678"
]
}
}
"#,
"$.person",
)
.unwrap();
let person = Person {
name: "Doe John".to_string(),
age: 44,
phones: vec!["+44 1234567".to_string(), "+44 2345678".to_string()],
};
assert_eq!(vec![person], ret);
}
|
