Fix datatests to be properly working in newer nightly rust

Cargo.toml

@@ -53,7 +53,7 @@ hashbrown = "0.13.1"
 indexmap = "1.8.2"
 parking_lot = "0.12.1"
 serde = { version = "1.0.137", optional = true, features = ["derive"] }
-wasmer = { version = "3.1.0", optional = true, default-features = false, features = ["sys", "wat", "llvm"] }
+wasmer = { version = "3.1.1", optional = true, default-features = false, features = ["sys", "wat", "cranelift"] }
 uuid = "1.2.2"
 paste = { version = "1.0.8" }
 arcstr = { version = "1.1.4", features = ["std"] }
@@ -62,7 +62,6 @@ enum-display-derive = "0.1.1"
 [dev-dependencies]
 csv = "1.1.6"
 project-root = "0.2.2"
-datatest = { git = "https://github.com/Deukhoofd/datatest.git" }
 serde_yaml = "0.9.14"
 serde_json = "1.0.81"
 serde_plain = "1.0.0"

build.rs

@@ -0,0 +1,51 @@
+use std::io::Write;
+
+fn main() {
+    let files = std::fs::read_dir("tests/test_cases").unwrap();
+    let mut output_file = std::fs::File::create("tests/datatests/mod.rs").unwrap();
+    output_file
+        .write_all(
+            b"// This file is generated by build.rs
+
+use std::path::Path;
+use std::fs::File;
+use std::io::Read;
+use super::common::TestCase;
+use super::get_library;
+
+fn integration_tests(input: &Path) {
+    let mut str: String = \"\".to_string();
+    let mut file = File::open(input).unwrap();
+    file.read_to_string(&mut str).unwrap();
+    let test_case = serde_yaml::from_str::<TestCase>(&str).unwrap();
+    println!(\"\tRunning integration test {}\", test_case.name);
+    test_case.run_test(get_library());
+}
+
+",
+        )
+        .unwrap();
+    for file in files {
+        let file = file.unwrap();
+        let path = file.path();
+        let path_str = path.to_str().unwrap();
+        if path_str.ends_with(".yaml") {
+            println!("cargo:rerun-if-changed={}", path_str);
+        }
+        let file_name = path.file_stem().unwrap().to_str().unwrap();
+
+        write!(
+            output_file,
+            "
+#[test]
+fn {}() {{
+    integration_tests(Path::new(\"{}\"));
+}}
+
+        ",
+            file_name,
+            path.to_str().unwrap(),
+        )
+        .unwrap();
+    }
+}

src/lib.rs

@@ -2,10 +2,10 @@
 #![allow(clippy::not_unsafe_ptr_arg_deref)]
 #![allow(clippy::borrowed_box)]
 #![allow(incomplete_features)]
+#![allow(ambiguous_glob_reexports)]
 #![deny(missing_docs)]
 #![deny(clippy::missing_docs_in_private_items)]
 #![feature(test)]
-#![feature(once_cell)]
 #![feature(const_option)]
 #![feature(is_some_and)]
 #![feature(new_uninit)]
@@ -14,6 +14,7 @@
 #![feature(fn_traits)]
 #![feature(unboxed_closures)]
 #![feature(trait_upcasting)]
+#![feature(lazy_cell)]
 
 //! PkmnLib
 //! PkmnLib is a full featured implementation of Pokemon. while currently focused on implementing

src/script_implementations/wasm/script_resolver.rs

@@ -52,7 +52,7 @@ struct ScriptCapabilitiesKey {
 impl WebAssemblyScriptResolver {
     /// Instantiates a new WebAssemblyScriptResolver.
     pub fn new() -> Box<WebAssemblyScriptResolver> {
-        let compiler = wasmer::LLVM::default();
+        let compiler = wasmer::Cranelift::default();
         let mut features = Features::new();
         features.multi_value = true;
         features.reference_types = true;

tests/datatests/mod.rs

@@ -0,0 +1,24 @@
+// This file is generated by build.rs
+
+use std::path::Path;
+use std::fs::File;
+use std::io::Read;
+use super::common::TestCase;
+use super::get_library;
+
+fn integration_tests(input: &Path) {
+    let mut str: String = "".to_string();
+    let mut file = File::open(input).unwrap();
+    file.read_to_string(&mut str).unwrap();
+    let test_case = serde_yaml::from_str::<TestCase>(&str).unwrap();
+    println!("	Running integration test {}", test_case.name);
+    test_case.run_test(get_library());
+}
+
+
+#[test]
+fn basic_single_turn() {
+    integration_tests(Path::new("tests/test_cases/basic_single_turn.yaml"));
+}
+
+        

tests/integration.rs

@@ -1,11 +1,6 @@
 #![feature(custom_test_frameworks)]
-#![feature(once_cell)]
-#![test_runner(datatest::runner)]
 #![allow(clippy::borrowed_box)]
 
-use std::fs::File;
-use std::io::Read;
-use std::path::Path;
 use std::sync::Arc;
 
 use pkmn_lib::dynamic_data::{
@@ -13,9 +8,10 @@ use pkmn_lib::dynamic_data::{
     ScriptCategory, ScriptContainer, ScriptOwnerData, TurnChoice, VolatileScriptsOwner,
 };
 
-use crate::common::{library_loader, TestCase};
+use crate::common::library_loader;
 
 pub mod common;
+pub mod datatests;
 
 fn get_library() -> Arc<dyn DynamicLibrary> {
     library_loader::load_library().library
@@ -49,19 +45,6 @@ fn validate_library_load() {
     );
 }
 
-#[datatest::files("tests/test_cases", {
-input in r"^(.*)\.yaml"
-})]
-#[cfg_attr(miri, ignore)]
-fn integration_tests(input: &Path) {
-    let mut str: String = "".to_string();
-    let mut file = File::open(input).unwrap();
-    file.read_to_string(&mut str).unwrap();
-    let test_case = serde_yaml::from_str::<TestCase>(&str).unwrap();
-    println!("\tRunning integration test {}", test_case.name);
-    test_case.run_test(get_library());
-}
-
 /// Assurance has the interesting properties that it creates a special data script internally, and
 /// deletes that data script through the get_owner functionality.
 #[test]