rusty-value/tests/structs.rs

use std::path::PathBuf;

use rusty_value::*;
use rusty_value::{Fields, RustyValue, Value};

#[derive(RustyValue)]
struct TestStructNamed {
    foo: String,
    bar: u64,
    none: (),
    path: PathBuf,
}

#[test]
fn it_handles_named_fields() {
    let test_struct = TestStructNamed {
        foo: String::from("Hello World"),
        bar: 12,
        none: (),
        path: PathBuf::new(),
    };
    let value = test_struct.into_rusty_value();
    dbg!(&value);

    if let Value::Struct(s) = value {
        assert_eq!(&s.name, "TestStructNamed");

        if let Fields::Named(fields) = s.fields {
            assert_eq!(fields.len(), 4);
        } else {
            panic!("Struct wasn't serialized as named struct")
        }
    } else {
        panic!("Struct wasn't serialized as struct");
    }
}

#[derive(RustyValue)]
struct TestStructUnnamed(String, u64, Option<String>);

#[test]
fn it_handles_unnamed_fields() {
    let test_struct = TestStructUnnamed(String::from("Hello World"), 12, None);
    let value = test_struct.into_rusty_value();
    dbg!(&value);

    if let Value::Struct(s) = value {
        assert_eq!(&s.name, "TestStructUnnamed");

        if let Fields::Unnamed(fields) = s.fields {
            assert_eq!(fields.len(), 3);
        } else {
            panic!("Struct wasn't serialized as unnamed struct")
        }
    } else {
        panic!("Struct wasn't serialized as struct");
    }
}

#[derive(RustyValue)]
struct TestStructUnit;

#[test]
fn it_handles_unit_structs() {
    let test_struct = TestStructUnit;
    let value = test_struct.into_rusty_value();
    dbg!(&value);

    if let Value::Struct(s) = value {
        assert_eq!(&s.name, "TestStructUnit");
        if let Fields::Unit = s.fields {
            assert!(true);
        } else {
            panic!("Struct wasn't serialized as unit struct")
        }
    } else {
        panic!("Struct wasn't serialized as struct");
    }
}

#[derive(RustyValue)]
struct GenericStruct<T: Clone> {
    field: T,
}

#[test]
fn it_handles_generics() {
    let test_struct = GenericStruct::<u8> { field: 12 };
    let value = test_struct.into_rusty_value();
    dbg!(&value);

    if let Value::Struct(s) = value {
        assert_eq!(&s.name, "GenericStruct");

        if let Fields::Named(fields) = s.fields {
            assert_eq!(fields.len(), 1);
        } else {
            panic!("Struct wasn't serialized as named struct")
        }
    } else {
        panic!("Struct wasn't serialized as struct");
    }
}