nostrscript: add a helper function

damusTests/NostrScriptTests.swift

@@ -18,14 +18,46 @@ final class NostrScriptTests: XCTestCase {
         // Put teardown code here. This method is called after the invocation of each test method in the class.
     }
     
-    func loadTestWasm() throws -> Data {
+    func read_bundle_file(name: String, ext: String) throws -> Data {
         let bundle = Bundle(for: type(of: self))
-        guard let fileURL = bundle.url(forResource: "primal", withExtension: "wasm") else {
+        guard let fileURL = bundle.url(forResource: name, withExtension: ext) else {
             throw CocoaError(.fileReadNoSuchFile)
         }
         
         return try Data(contentsOf: fileURL)
     }
+    
+    func loadTestWasm() throws -> Data {
+        return try read_bundle_file(name: "primal", ext: "wasm")
+    }
+
+    func load_bool_set_test_wasm() throws -> Data {
+        return try read_bundle_file(name: "bool_setting", ext: "wasm")
+    }
+    
+    func test_bool_set() throws {
+        var data = try load_bool_set_test_wasm().bytes
+        let pool = RelayPool()
+        let script = NostrScript(pool: pool)
+        let pk = "32e1827635450ebb3c5a7d12c1f8e7b2b514439ac10a67eef3d9fd9c5c68e245"
+        UserSettingsStore.pubkey = pk
+        let key = pk_setting_key(pk, key: "nozaps")
+        UserDefaults.standard.set(true, forKey: key)
+        
+        let load_err = script.load(wasm: &data)
+        XCTAssertNil(load_err)
+        
+        let res = script.run()
+        switch res {
+        case .finished:
+            let set = UserDefaults.standard.bool(forKey: key)
+            XCTAssertEqual(set, false)
+        case .runtime_err: XCTAssert(false)
+        case .suspend:
+            XCTAssert(false)
+            break
+        }
+    }
 
     func test_nostrscript() throws {
         var data = try loadTestWasm().bytes