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SelectorMut documentation

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freestrings
2019-06-10 14:48:29 +09:00
parent dd9315bc90
commit 24d18efb6f
4 changed files with 339 additions and 17 deletions
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117
tests/readme.rs
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@ -4,8 +4,9 @@ extern crate serde;
extern crate serde_json;
use serde::Deserialize;
use serde_json::Value;
use jsonpath::Selector;
use jsonpath::{Selector, SelectorMut};
#[test]
fn readme() {
@ -164,6 +165,49 @@ fn readme_selector() {
assert_eq!(vec![Friend { name: "친구3".to_string(), age: Some(30) }], result);
}
#[test]
fn readme_selector_mut() {
let json_obj = json!({
"school": {
"friends": [
{"name": "친구1", "age": 20},
{"name": "친구2", "age": 20}
]
},
"friends": [
{"name": "친구3", "age": 30},
{"name": "친구4"}
]});
let mut selector_mut = SelectorMut::new();
let result = selector_mut
.str_path("$..[?(@.age == 20)].age").unwrap()
.value(json_obj)
.replace_with(&mut |v| {
let age = if let Value::Number(n) = v {
n.as_u64().unwrap() * 2
} else {
0
};
json!(age)
}).unwrap()
.take().unwrap();
assert_eq!(result, json!({
"school": {
"friends": [
{"name": "친구1", "age": 40},
{"name": "친구2", "age": 40}
]
},
"friends": [
{"name": "친구3", "age": 30},
{"name": "친구4"}
]}));
}
#[test]
fn readme_select() {
let json_obj = json!({
@ -240,7 +284,7 @@ fn readme_select_as() {
#[test]
fn readme_compile() {
let mut template = jsonpath::compile("$..friends[0]");
let mut first_firend = jsonpath::compile("$..friends[0]");
let json_obj = json!({
"school": {
@ -254,7 +298,7 @@ fn readme_compile() {
{"name": "친구4"}
]});
let json = template(&json_obj).unwrap();
let json = first_firend(&json_obj).unwrap();
assert_eq!(json, vec![
&json!({"name": "친구3", "age": 30}),
@ -331,4 +375,71 @@ fn readme_selector_as() {
);
assert_eq!(json, ret);
}
#[test]
fn readme_delete() {
let json_obj = json!({
"school": {
"friends": [
{"name": "친구1", "age": 20},
{"name": "친구2", "age": 20}
]
},
"friends": [
{"name": "친구3", "age": 30},
{"name": "친구4"}
]});
let ret = jsonpath::delete(json_obj, "$..[?(20 == @.age)]").unwrap();
assert_eq!(ret, json!({
"school": {
"friends": [
null,
null
]
},
"friends": [
{"name": "친구3", "age": 30},
{"name": "친구4"}
]}));
}
#[test]
fn readme_replace_with() {
let json_obj = json!({
"school": {
"friends": [
{"name": "친구1", "age": 20},
{"name": "친구2", "age": 20}
]
},
"friends": [
{"name": "친구3", "age": 30},
{"name": "친구4"}
]});
let result = jsonpath::replace_with(json_obj, "$..[?(@.age == 20)].age", &mut |v| {
let age = if let Value::Number(n) = v {
n.as_u64().unwrap() * 2
} else {
0
};
json!(age)
}).unwrap();
assert_eq!(result, json!({
"school": {
"friends": [
{"name": "친구1", "age": 40},
{"name": "친구2", "age": 40}
]
},
"friends": [
{"name": "친구3", "age": 30},
{"name": "친구4"}
]}));
}