1pub mod plugin;
2pub use plugin::*;
3
4#[cfg(test)]
5mod tests {
6 use super::*;
7 use pollster::FutureExt as _;
8
9 #[test]
10 pub fn test_plugin() {
11 pub struct TestPlugin {
12 noop: WasiFn<(), ()>,
13 constant: WasiFn<(), u32>,
14 identity: WasiFn<u32, u32>,
15 add: WasiFn<(u32, u32), u32>,
16 swap: WasiFn<(u32, u32), (u32, u32)>,
17 sort: WasiFn<Vec<u32>, Vec<u32>>,
18 print: WasiFn<String, ()>,
19 and_back: WasiFn<u32, u32>,
20 imports: WasiFn<u32, u32>,
21 half_async: WasiFn<u32, u32>,
22 }
23
24 async {
25 let mut runtime = PluginBuilder::new_with_default_ctx()
26 .unwrap()
27 .host_function("mystery_number", |input: u32| input + 7)
28 .unwrap()
29 .host_function("import_noop", |_: ()| ())
30 .unwrap()
31 .host_function("import_identity", |input: u32| input)
32 .unwrap()
33 .host_function("import_swap", |(a, b): (u32, u32)| (b, a))
34 .unwrap()
35 .host_function_async("import_half", |a: u32| async move { a / 2 })
36 .unwrap()
37 .init(include_bytes!("../../../plugins/bin/test_plugin.wasm"))
38 .await
39 .unwrap();
40
41 let plugin = TestPlugin {
42 noop: runtime.function("noop").unwrap(),
43 constant: runtime.function("constant").unwrap(),
44 identity: runtime.function("identity").unwrap(),
45 add: runtime.function("add").unwrap(),
46 swap: runtime.function("swap").unwrap(),
47 sort: runtime.function("sort").unwrap(),
48 print: runtime.function("print").unwrap(),
49 and_back: runtime.function("and_back").unwrap(),
50 imports: runtime.function("imports").unwrap(),
51 half_async: runtime.function("half_async").unwrap(),
52 };
53
54 let unsorted = vec![1, 3, 4, 2, 5];
55 let sorted = vec![1, 2, 3, 4, 5];
56
57 assert_eq!(runtime.call(&plugin.noop, ()).await.unwrap(), ());
58 assert_eq!(runtime.call(&plugin.constant, ()).await.unwrap(), 27);
59 assert_eq!(runtime.call(&plugin.identity, 58).await.unwrap(), 58);
60 assert_eq!(runtime.call(&plugin.add, (3, 4)).await.unwrap(), 7);
61 assert_eq!(runtime.call(&plugin.swap, (1, 2)).await.unwrap(), (2, 1));
62 assert_eq!(runtime.call(&plugin.sort, unsorted).await.unwrap(), sorted);
63 assert_eq!(runtime.call(&plugin.print, "Hi!".into()).await.unwrap(), ());
64 assert_eq!(runtime.call(&plugin.and_back, 1).await.unwrap(), 8);
65 assert_eq!(runtime.call(&plugin.imports, 1).await.unwrap(), 8);
66 assert_eq!(runtime.call(&plugin.half_async, 4).await.unwrap(), 2);
67
68 // dbg!("{}", runtime.call(&plugin.and_back, 1).await.unwrap());
69 }
70 .block_on()
71 }
72}