add test for expand function capture action in pipeline

Author: treuherz

language-server/src/tests/action.rs

@@ -7272,6 +7272,27 @@ pub fn add(n, m) { n + m }
     );
 }
 
+#[test]
+fn expand_function_capture_in_pipeline() {
+    assert_code_action!(
+        EXPAND_FUNCTION_CAPTURE,
+        "pub fn main() {
+  1 |> wibble(2, _) |> wobble
+}
+
+fn wibble(a, b) {
+  todo
+}
+
+fn wobble(i) {
+  todo
+}
+
+",
+        find_position_of("wibble").to_selection()
+    );
+}
+
 #[test]
 fn generate_dynamic_decoder() {
     assert_code_action!(

language-server/src/tests/snapshots/gleam_language_server__tests__action__expand_function_capture_in_pipeline.snap

@@ -0,0 +1,32 @@
+---
+source: language-server/src/tests/action.rs
+expression: "pub fn main() {\n  1 |> wibble(2, _) |> wobble\n}\n\nfn wibble(a, b) {\n  todo\n}\n\nfn wobble(i) {\n  todo\n}\n\n"
+---
+----- BEFORE ACTION
+pub fn main() {
+  1 |> wibble(2, _) |> wobble
+       ↑                     
+}
+
+fn wibble(a, b) {
+  todo
+}
+
+fn wobble(i) {
+  todo
+}
+
+
+
+----- AFTER ACTION
+pub fn main() {
+  1 |> fn(int) { wibble(2, int) } |> wobble
+}
+
+fn wibble(a, b) {
+  todo
+}
+
+fn wobble(i) {
+  todo
+}