initialize haskell plugins properly

src/index.ts

@@ -92,7 +92,7 @@ export class Plugin {
       throw Error(`Plugin error: function does not exist ${func_name}`);
     }
 
-    if (func_name != '_start' && this.guestRuntime?.init && !this.guestRuntime.initialized) {
+    if (func_name != '_start' && !this.guestRuntime.initialized) {
       this.guestRuntime.init();
       this.guestRuntime.initialized = true;
     }
@@ -618,18 +618,17 @@ function haskellRuntime(module: WebAssembly.Instance): GuestRuntime | null {
 
   const reactorInit = module.exports._initialize;
 
-  let init: () => void;
-  if (reactorInit) {
-    //@ts-ignore
-    init = () => reactorInit();
-  } else {
+  let init = () => {
+    if (reactorInit) {
+      //@ts-ignore
+      reactorInit(); 
+    }
+
     //@ts-ignore
-    init = () => haskellInit();
+    haskellInit();
   }
 
   const kind = reactorInit ? 'reactor' : 'normal';
-  console.debug(`Haskell (${kind}) runtime detected.`);
-
   return { type: GuestRuntimeType.Haskell, init: init, initialized: false };
 }
 

tests/index.test.ts

@@ -111,29 +111,25 @@ describe('test extism', () => {
     expect(() => plugin.call("run_test", "")).toThrowError(/Call error/);
   });
 
-  // test('can initialize haskell runtime', async () => {
-  //   console.trace = jest.fn();
-
-  //   const plugin = await newPlugin('hello_haskell.wasm', options => {
-  //     options.config = {
-  //       "greeting": "Howdy"
-  //     };
-  //   });
-
-  //   {
-  //     const output = await plugin.call("testing", "John");
-  //     const result = output;
+  test('can initialize haskell runtime', async () => {
+    const plugin = await newPlugin('haskell.wasm', options => {
+      options.config = {
+        "greeting": "Howdy"
+      };
+    });
 
-  //     expect(result).toBe("Howdy, John")
-  //   }
+    {
+      const output = await plugin.call("greet", "John");
+      const result = output?.text();
 
-  //   {
-  //     const output = await plugin.call("testing", "Ben");
-  //     const result = output;
+      expect(result).toBe("Howdy, John")
+    }
 
-  //     expect(result).toBe("Howdy, Ben")
-  //   }
+    {
+      const output = await plugin.call("greet", "Ben");
+      const result = output?.text();
 
-  //   expect(console.debug).toHaveBeenCalledWith("Haskell (normal) runtime detected.");
-  // });
+      expect(result).toBe("Howdy, Ben")
+    }
+  });
 });