Fix bindings and add CI tests (#247)

Also update version numbers of binding Rust projects to match Regorus

Signed-off-by: Anand Krishnamoorthi <anakrish@microsoft.com>

bindings/wasm/Cargo.toml

@@ -1,6 +1,6 @@
 [package]
 name = "regorusjs"
-version = "0.1.0"
+version = "0.1.5"
 edition = "2021"
 repository = "https://github.com/microsoft/regorus/bindings/wasm"
 description = "WASM bindings for Regorus - a fast, lightweight Rego interpreter written in Rust"

bindings/wasm/src/lib.rs

@@ -50,7 +50,7 @@ impl Engine {
     ///
     /// * `path`: A filename to be associated with the policy.
     /// * `rego`: Rego policy.
-    pub fn add_policy(&mut self, path: String, rego: String) -> Result<(), JsValue> {
+    pub fn add_policy(&mut self, path: String, rego: String) -> Result<String, JsValue> {
         self.engine.add_policy(path, rego).map_err(error_to_jsvalue)
     }
 

bindings/wasm/test.js

@@ -7,7 +7,7 @@ var regorus = require('./pkg/regorusjs')
 var engine = new regorus.Engine();
 
 // Add Rego policy.
-engine.add_policy(
+var pkg = engine.add_policy(
     // Associate this file name with policy
     'hello.rego',
     
@@ -18,6 +18,7 @@ engine.add_policy(
   # Join messages
   message = concat(", ", [input.message, data.message])
 `)
+console.log("Loaded policy " + pkg)
 
 // Set policy data
 engine.add_data_json(`
@@ -34,7 +35,7 @@ engine.set_input_json(`
 `)
 
 // Eval query
-results = engine.eval_query('data.test.message')
+var results = engine.eval_query('data.test.message')
 
 // Display
 console.log(results)