test: add kcl rust plugin unit tests

Signed-off-by: peefy <[email protected]>

Author: Peefy

Cargo.toml

@@ -12,3 +12,7 @@ license = "Apache-2.0"
 [dependencies]
 anyhow = "1"
 kclvm-api = { git = "https://github.com/kcl-lang/kcl", version = "0.10.0-rc.1" }
+kclvm-evaluator = { git = "https://github.com/kcl-lang/kcl", version = "0.10.0-rc.1" }
+kclvm-loader = { git = "https://github.com/kcl-lang/kcl", version = "0.10.0-rc.1" }
+kclvm-parser = { git = "https://github.com/kcl-lang/kcl", version = "0.10.0-rc.1" }
+kclvm-runtime = { git = "https://github.com/kcl-lang/kcl", version = "0.10.0-rc.1" }

src/lib.rs

@@ -33,6 +33,9 @@ use anyhow::Result;
 
 pub type API = KclvmServiceImpl;
 
+#[cfg(test)]
+mod tests;
+
 /// Call KCL API with the API name and argument protobuf bytes.
 #[inline]
 pub fn call<'a>(name: &'a [u8], args: &'a [u8]) -> Result<Vec<u8>> {

src/tests.rs

@@ -0,0 +1,48 @@
+use anyhow::{anyhow, Result};
+use kclvm_evaluator::Evaluator;
+use kclvm_loader::{load_packages, LoadPackageOptions};
+use kclvm_parser::LoadProgramOptions;
+use kclvm_runtime::{Context, IndexMap, PluginFunction, ValueRef};
+use std::{cell::RefCell, rc::Rc, sync::Arc};
+
+fn my_plugin_sum(_: &Context, args: &ValueRef, _: &ValueRef) -> Result<ValueRef> {
+    let a = args
+        .arg_i_int(0, Some(0))
+        .ok_or(anyhow!("expect int value for the first param"))?;
+    let b = args
+        .arg_i_int(1, Some(0))
+        .ok_or(anyhow!("expect int value for the second param"))?;
+    Ok((a + b).into())
+}
+
+fn context_with_plugin() -> Rc<RefCell<Context>> {
+    let mut plugin_functions: IndexMap<String, PluginFunction> = Default::default();
+    let func = Arc::new(my_plugin_sum);
+    plugin_functions.insert("my_plugin.add".to_string(), func);
+    let mut ctx = Context::new();
+    ctx.plugin_functions = plugin_functions;
+    Rc::new(RefCell::new(ctx))
+}
+
+#[test]
+fn test_exec_with_plugin() -> Result<()> {
+    let src = r#"
+import kcl_plugin.my_plugin
+
+sum = my_plugin.add(1, 1)
+"#;
+    let p = load_packages(&LoadPackageOptions {
+        paths: vec!["test.k".to_string()],
+        load_opts: Some(LoadProgramOptions {
+            load_plugins: true,
+            k_code_list: vec![src.to_string()],
+            ..Default::default()
+        }),
+        load_builtin: false,
+        ..Default::default()
+    })?;
+    let evaluator = Evaluator::new_with_runtime_ctx(&p.program, context_with_plugin());
+    let result = evaluator.run()?;
+    println!("yaml result {}", result.1);
+    Ok(())
+}