monkey.rules: give intent hints only when at least two patterns match

1 files changed, 6 insertions, 2 deletions

diff --git a/monkey/rules.py b/monkey/rules.py
index c8e1a65..d3bdf71 100644
--- a/monkey/rules.py
+++ b/monkey/rules.py
@@ -71,11 +71,15 @@ def suggest_true(bugs, program, patterns):
         n_found = len(match[True])
         matches[n_found].append(match)
 
+    # we want at least two matching patterns to consider hinting
+    if max(matches) < 2:
+        return None
+
     # consider only rules that have maximum matching patterns
     candidate_rules = matches[max(matches)]
 
-    # if there is candidate with no missing patterns, the program should already
-    # be correct, so do not try hinting
+    # if there is candidate a with no missing patterns, the program should
+    # already be correct, so do not try hinting because we know nothing
     if any(not match[False] for match in candidate_rules):
         return None