From a9d9fc03a240cd54a19189423df6120a306109b8 Mon Sep 17 00:00:00 2001
From: Ed Page <eopage@gmail.com>
Date: Thu, 8 Jun 2023 09:23:10 -0500
Subject: [PATCH] test(dict): Report more cases to user

---
 crates/typos-dict/tests/verify.rs | 15 ++++++++++++---
 1 file changed, 12 insertions(+), 3 deletions(-)

diff --git a/crates/typos-dict/tests/verify.rs b/crates/typos-dict/tests/verify.rs
index 2dcd2e9..2b6b2e1 100644
--- a/crates/typos-dict/tests/verify.rs
+++ b/crates/typos-dict/tests/verify.rs
@@ -91,11 +91,20 @@ fn generate<W: std::io::Write>(file: &mut W, dict: &[u8]) {
         current.extend(good);
     }
 
-    let corrections: std::collections::HashSet<_> =
-        dict.values().flatten().map(ToOwned::to_owned).collect();
+    let corrections: HashMap<_, _> = dict
+        .iter()
+        .flat_map(|(bad, good)| good.iter().map(|good| (good.to_owned(), bad.to_owned())))
+        .collect();
     let rows: Vec<_> = dict
         .into_iter()
-        .filter(|(typo, _)| !corrections.contains(typo.as_str()))
+        .filter(|(typo, _)| {
+            if let Some(correction) = corrections.get(typo.as_str()) {
+                eprintln!("{typo} <-> {correction} cycle detected");
+                false
+            } else {
+                true
+            }
+        })
         .collect();
 
     let mut wtr = csv::WriterBuilder::new().flexible(true).from_writer(file);