lua_usage.rs
· 2.6 KiB · Rust
原始文件
#[tokio::test]
async fn multilua_test() {
let vm1 = Lua::new();
vm1.sandbox(true).unwrap();
let vm2 = Lua::new();
vm2.sandbox(true).unwrap();
// To allow locking down _G, we need to create a table to store user data (__stack)
vm1.globals()
.set("__stack", vm1.create_table().unwrap())
.unwrap();
vm2.globals()
.set("__stack", vm2.create_table().unwrap())
.unwrap();
// Set a global variable
let f: LuaFunction = vm1
.load(
r#"
-- My first function
function(args)
for k, v in pairs(args) do
print(k, v)
end
__stack.obs = "some text value"
return args["a"]
end
"#,
)
.eval_async()
.await
.unwrap();
let luav = vm1.create_table().unwrap();
luav.set("a", 1).unwrap();
let res: i32 = f.call_async(luav).await.unwrap();
assert_eq!(res, 1);
// _G.obj must persist
let f: LuaFunction = vm1
.load(
r#"
-- If __stack.obs is set, return arg1
function(args)
for k, v in pairs(args) do
print(k, v)
end
if __stack.obs == "some text value" then
return args["arg1"]
end
return 3
end
"#,
)
.eval_async()
.await
.unwrap();
let res: i32 = f
.call_async({
let t = vm1.create_table().unwrap();
t.set("arg1", 5).unwrap();
t
})
.await
.unwrap();
assert_eq!(res, 5);
// But _G.obs must not be set in vm2
// _G.obj must persist
let f: LuaFunction = vm2
.load(
r#"
-- If __stack.obs is set, return arg1
function(args)
for k, v in pairs(args) do
print(k, v)
end
if __stack.obs == "some text value" then
return args["arg1"]
end
return 3
end
"#,
)
.eval_async()
.await
.unwrap();
let res: i32 = f
.call_async({
let t = vm2.create_table().unwrap();
t.set("arg1", 5).unwrap();
t
})
.await
.unwrap();
assert_eq!(res, 3);
}
| 1 | #[tokio::test] |
| 2 | async fn multilua_test() { |
| 3 | let vm1 = Lua::new(); |
| 4 | vm1.sandbox(true).unwrap(); |
| 5 | let vm2 = Lua::new(); |
| 6 | vm2.sandbox(true).unwrap(); |
| 7 | |
| 8 | // To allow locking down _G, we need to create a table to store user data (__stack) |
| 9 | vm1.globals() |
| 10 | .set("__stack", vm1.create_table().unwrap()) |
| 11 | .unwrap(); |
| 12 | vm2.globals() |
| 13 | .set("__stack", vm2.create_table().unwrap()) |
| 14 | .unwrap(); |
| 15 | |
| 16 | // Set a global variable |
| 17 | let f: LuaFunction = vm1 |
| 18 | .load( |
| 19 | r#" |
| 20 | -- My first function |
| 21 | function(args) |
| 22 | for k, v in pairs(args) do |
| 23 | print(k, v) |
| 24 | end |
| 25 | __stack.obs = "some text value" |
| 26 | return args["a"] |
| 27 | end |
| 28 | "#, |
| 29 | ) |
| 30 | .eval_async() |
| 31 | .await |
| 32 | .unwrap(); |
| 33 | |
| 34 | let luav = vm1.create_table().unwrap(); |
| 35 | luav.set("a", 1).unwrap(); |
| 36 | |
| 37 | let res: i32 = f.call_async(luav).await.unwrap(); |
| 38 | |
| 39 | assert_eq!(res, 1); |
| 40 | |
| 41 | // _G.obj must persist |
| 42 | let f: LuaFunction = vm1 |
| 43 | .load( |
| 44 | r#" |
| 45 | -- If __stack.obs is set, return arg1 |
| 46 | function(args) |
| 47 | for k, v in pairs(args) do |
| 48 | print(k, v) |
| 49 | end |
| 50 | |
| 51 | if __stack.obs == "some text value" then |
| 52 | return args["arg1"] |
| 53 | end |
| 54 | |
| 55 | return 3 |
| 56 | end |
| 57 | "#, |
| 58 | ) |
| 59 | .eval_async() |
| 60 | .await |
| 61 | .unwrap(); |
| 62 | |
| 63 | let res: i32 = f |
| 64 | .call_async({ |
| 65 | let t = vm1.create_table().unwrap(); |
| 66 | t.set("arg1", 5).unwrap(); |
| 67 | t |
| 68 | }) |
| 69 | .await |
| 70 | .unwrap(); |
| 71 | |
| 72 | assert_eq!(res, 5); |
| 73 | |
| 74 | // But _G.obs must not be set in vm2 |
| 75 | // _G.obj must persist |
| 76 | let f: LuaFunction = vm2 |
| 77 | .load( |
| 78 | r#" |
| 79 | -- If __stack.obs is set, return arg1 |
| 80 | function(args) |
| 81 | for k, v in pairs(args) do |
| 82 | print(k, v) |
| 83 | end |
| 84 | |
| 85 | if __stack.obs == "some text value" then |
| 86 | return args["arg1"] |
| 87 | end |
| 88 | |
| 89 | return 3 |
| 90 | end |
| 91 | "#, |
| 92 | ) |
| 93 | .eval_async() |
| 94 | .await |
| 95 | .unwrap(); |
| 96 | |
| 97 | let res: i32 = f |
| 98 | .call_async({ |
| 99 | let t = vm2.create_table().unwrap(); |
| 100 | t.set("arg1", 5).unwrap(); |
| 101 | t |
| 102 | }) |
| 103 | .await |
| 104 | .unwrap(); |
| 105 | |
| 106 | assert_eq!(res, 3); |
| 107 | } |
| 108 |