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use std::fs;
use std::io;
use mlua::{Lua, Result};
#[test]
fn test_chunk_path() -> Result<()> {
let lua = Lua::new();
if cfg!(target_arch = "wasm32") {
// TODO: figure out why emscripten fails on file operations
// Also see https://github.com/rust-lang/rust/issues/119250
return Ok(());
}
let temp_dir = tempfile::tempdir().unwrap();
fs::write(
temp_dir.path().join("module.lua"),
r#"
return 321
"#,
)?;
let i: i32 = lua.load(&*temp_dir.path().join("module.lua")).eval()?;
assert_eq!(i, 321);
match lua.load(&*temp_dir.path().join("module2.lua")).exec() {
Err(err) if err.downcast_ref::<io::Error>().unwrap().kind() == io::ErrorKind::NotFound => {}
res => panic!("expected io::Error, got {:?}", res),
};
Ok(())
}
#[test]
#[cfg(feature = "macros")]
fn test_chunk_macro() -> Result<()> {
let lua = Lua::new();
let name = "Rustacean";
let table = vec![1];
let data = lua.create_table()?;
data.raw_set("num", 1)?;
let ud = mlua::AnyUserData::wrap("hello");
let f = mlua::Function::wrap(|_lua, ()| Ok(()));
lua.globals().set("g", 123)?;
let string = String::new();
let str = string.as_str();
lua.load(mlua::chunk! {
assert($name == "Rustacean")
assert(type($table) == "table")
assert($table[1] == 1)
assert(type($data) == "table")
assert($data.num == 1)
assert(type($ud) == "userdata")
assert(type($f) == "function")
assert(type($str) == "string")
assert($str == "")
assert(g == 123)
s = 321
})
.exec()?;
assert_eq!(lua.globals().get::<_, i32>("s")?, 321);
Ok(())
}
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