diff --git a/tests/web.rs b/tests/web.rs
index a6ea7c0..087a2bf 100644
--- a/tests/web.rs
+++ b/tests/web.rs
@@ -5,10 +5,85 @@ use wasm_bindgen::JsError;
 use wasm_bindgen_test::wasm_bindgen_test;
 use wasm_bindgen_test::wasm_bindgen_test_configure;
 
+macro_rules! bail {
+    ($e:expr) => {
+        return Err(JsError::new($e));
+    };
+    ($fmt:expr, $($arg:tt)*) => {
+        return Err(JsError::new(&format!($fmt, $($arg)*)));
+    };
+}
+
+macro_rules! ensure {
+    ($cond:expr) => {
+        if !($cond) {
+            bail!("{}", _failure__stringify!($cond));
+        }
+    };
+    ($cond:expr, $e:expr) => {
+        if !($cond) {
+            bail!($e);
+        }
+    };
+    ($cond:expr, $fmt:expr, $($arg:tt)*) => {
+        if !($cond) {
+            bail!($fmt, $($arg)*);
+        }
+    };
+}
+
+macro_rules! _failure__stringify {
+    ($($inner:tt)*) => {
+        stringify! { $($inner)* }
+    }
+}
+
+#[derive(Deserialize)]
+struct ApiRequestInner {
+    cmd: String,
+}
+
+#[derive(Deserialize)]
+struct ApiRequest {
+    #[serde(rename = "__tauriModule")]
+    __tauri_module: String,
+    message: ApiRequestInner,
+}
+
 fn main() {
     wasm_bindgen_test_configure!(run_in_browser);
 }
 
+/**
+ * App module
+ */
+
+#[wasm_bindgen_test]
+async fn test_get_version() {
+    use tauri_sys::app::get_version;
+
+    mock_ipc(|cmd, payload| {
+        ensure!(cmd.as_str() == "tauri", "unknown command");
+
+        let payload: ApiRequest = serde_wasm_bindgen::from_value(payload).unwrap();
+
+        ensure!(payload.__tauri_module == "App");
+        ensure!(payload.message.cmd == "getAppVersion");
+
+        Ok("1.0.0")
+    });
+
+    let version = get_version().await;
+
+    assert_eq!(version.major, 1);
+    assert_eq!(version.minor, 0);
+    assert_eq!(version.patch, 0)
+}
+
+/**
+ * Tauri module
+ */
+
 #[wasm_bindgen_test]
 async fn test_invoke() -> Result<(), Box<dyn std::error::Error>> {
     #[derive(Serialize, Deserialize)]