Add query helpers test

packages/dom/Cargo.toml

@@ -24,3 +24,4 @@ web-sys = { workspace = true, features = [
 
 [dev-dependencies]
 wasm-bindgen-test.workspace = true
+mockall = "0.13.0"

packages/dom/src/lib.rs

@@ -10,6 +10,7 @@ mod types;
 mod util;
 
 pub use config::{configure, get_config};
+pub use error::QueryError;
 pub use get_node_text::*;
 pub use get_queries_for_element::*;
 pub use matches::get_default_normalizer;

packages/dom/tests/query_helpers.rs

@@ -1 +1,42 @@
+use std::sync::Arc;
 
+use mockall::automock;
+use testing_library_dom::{
+    configure, get_element_error, ConfigFnOrPartial, PartialConfig, QueryError,
+};
+use wasm_bindgen_test::{wasm_bindgen_test, wasm_bindgen_test_configure};
+use web_sys::{Document, Element};
+
+wasm_bindgen_test_configure!(run_in_browser);
+
+#[automock]
+trait GetElementError {
+    fn get_element_error(message: Option<String>, container: Element) -> QueryError;
+}
+
+#[wasm_bindgen_test]
+fn should_delegate_to_config_get_element_error() {
+    let message = Some("test Message".to_string());
+    let container = Document::new()
+        .expect("Document should be created.")
+        .create_element("div")
+        .expect("Element should be created");
+
+    let mock = MockGetElementError::get_element_error_context();
+    mock.expect()
+        .withf_st({
+            let message = message.clone();
+            let container = container.clone();
+
+            move |m, c| *m == message && *c == container
+        })
+        .returning(|_, _| QueryError::Element("".into()));
+
+    configure(ConfigFnOrPartial::Partial(
+        PartialConfig::default().get_element_error(Arc::new(|message, container| {
+            MockGetElementError::get_element_error(message, container)
+        })),
+    ));
+
+    get_element_error(message, container);
+}