messy_json 0.2.2

JSON Parser for dynamically structured documents
Documentation 
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use super::*;

fn run_test(schema: &MessyJson, value: &str) {
    let mut deserializer = serde_json::Deserializer::from_str(value);
    let parsed: MessyJsonValueContainer = schema
        .builder(MessyJsonSettings::default())
        .deserialize(&mut deserializer)
        .unwrap();
    assert_eq!(
        matches!(parsed.inner(), MessyJsonValue::Obj(_)),
        true,
        "The root should be an object"
    );
    match parsed.inner() {
        MessyJsonValue::Obj(obj) => {
            assert_eq!(
                obj.len(),
                1,
                "The root object should only contain a single key"
            );
            assert_eq!(
                obj.contains_key("hello"),
                true,
                "The hello key should be present"
            );
            match obj.get("hello").unwrap() {
                MessyJsonValue::Array(arr) => {
                    assert_eq!(arr.len(), 2, "The hello array should contain a 2 keys");
                    assert_eq!(
                        arr[0],
                        MessyJsonValue::String(Cow::Borrowed("the")),
                        "Value mismatch"
                    );
                    assert_eq!(
                        arr[1],
                        MessyJsonValue::String(Cow::Borrowed("world")),
                        "Value mismatch"
                    );
                }
                _ => panic!("..."),
            };
        }
        _ => panic!("..."),
    };
}

#[test]
fn simple() {
    let nested_string = MessyJson::from(MessyJsonInner::String(MessyJsonScalar::new(false)));
    let nested_schema: MessyJsonInner =
        MessyJsonInner::Array(MessyJsonArray::new(nested_string, false));
    let schema = MessyJson::from(MessyJsonInner::Obj(MessyJsonObject::from(
        MessyJsonObjectInner::new(
            vec![(gen_key("hello"), MessyJson::from(nested_schema))]
                .into_iter()
                .collect(),
            false,
        ),
    )));
    let value = r#"
	{
		"hello": [
			"the",
			"world"
		]
	}
	"#;

    run_test(&schema, value);
}

#[test]
fn wrong_value() {
    let nested_string = MessyJson::from(MessyJsonInner::String(MessyJsonScalar::new(false)));
    let nested_schema = MessyJson::from(MessyJsonInner::Array(MessyJsonArray::new(
        nested_string,
        false,
    )));
    let schema = MessyJson::from(MessyJsonInner::Obj(MessyJsonObject::from(
        MessyJsonObjectInner::new(
            vec![(gen_key("hello"), nested_schema)]
                .into_iter()
                .collect(),
            false,
        ),
    )));
    let value = r#"
	{
		"hello": [
			1,
			2
		]
	}
	"#;

    let mut deserializer = serde_json::Deserializer::from_str(value);
    schema
        .builder(MessyJsonSettings::default())
        .deserialize(&mut deserializer)
        .expect_err("the value type should produce an error");
}