fix: lets try it with unicde normalisaation

Author: psteinroe

Cargo.lock

@@ -25,6 +25,7 @@ tree_sitter_sql.workspace = true
 
 [dev-dependencies]
 pg_test_utils.workspace = true
+unicode-normalization   = "0.1.24"
 
 [lib]
 doctest = false

crates/pg_typecheck/Cargo.toml

@@ -6,6 +6,7 @@ use pg_diagnostics::PrintDiagnostic;
 use pg_test_utils::test_database::get_new_test_db;
 use pg_typecheck::{check_sql, TypecheckParams};
 use sqlx::Executor;
+use unicode_normalization::UnicodeNormalization;
 
 async fn test(name: &str, query: &str, setup: &str) {
     let test_db = get_new_test_db().await;
@@ -43,16 +44,13 @@ async fn test(name: &str, query: &str, setup: &str) {
 
     let content = String::from_utf8(content).unwrap();
 
-    // Normalize line endings
-    let normalized_content = content.replace("\r\n", "\n");
-
-    // Replace Windows-style path separators with forward slashes
-    let normalized_content = normalized_content.replace("\\", "/");
+    // Normalize Unicode characters
+    let normalized = content.nfkd().collect::<String>();
 
     insta::with_settings!({
         prepend_module_to_snapshot => false,
     }, {
-        insta::assert_snapshot!(name, normalized_content);
+        insta::assert_snapshot!(name, normalized);
     });
 }
 

crates/pg_typecheck/tests/diagnostics.rs

@@ -1,6 +1,6 @@
 ---
 source: crates/pg_typecheck/tests/diagnostics.rs
-expression: content
+expression: normalized
 snapshot_kind: text
 ---
 typecheck ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━
@@ -9,4 +9,4 @@ typecheck ━━━━━━━━━━━━━━━━━━━━━━━
 
   <strong><span style="color: Tomato;">✖</span></strong> <span style="color: Tomato;">Error Code: </span><span style="color: Tomato;"><strong>42703</strong></span>
 
-  <strong><span style="color: lightgreen;">ℹ</span></strong> <span style="color: lightgreen;">Source: </span><span style="color: lightgreen;">parse_relation.c</span><span style="color: lightgreen;">:</span><span style="color: lightgreen;">3716</span><span style="color: lightgreen;"> in </span><span style="color: lightgreen;">errorMissingColumn</span>
+  <strong><span style="color: lightgreen;">i</span></strong> <span style="color: lightgreen;">Source: </span><span style="color: lightgreen;">parse_relation.c</span><span style="color: lightgreen;">:</span><span style="color: lightgreen;">3716</span><span style="color: lightgreen;"> in </span><span style="color: lightgreen;">errorMissingColumn</span>