From da86f6a294c2986276f850265f1b2d9bab5c91a9 Mon Sep 17 00:00:00 2001
From: Ryan Peach <rgpeach10@gmail.com>
Date: Sat, 2 Nov 2024 19:38:57 -0400
Subject: [PATCH] Working well on my notes

---
 src/config.rs                |  2 +-
 src/rules/duplicate_alias.rs | 11 ++++++++++-
 2 files changed, 11 insertions(+), 2 deletions(-)

diff --git a/src/config.rs b/src/config.rs
index 7d3cccd..b606f29 100644
--- a/src/config.rs
+++ b/src/config.rs
@@ -46,7 +46,7 @@ pub struct Config {
     #[builder(default=r"-|_|\s".to_owned())]
     pub filename_spacing_pattern: String,
     /// See [`self::cli::Config::filename_match_threshold`]
-    #[builder(default = 95)]
+    #[builder(default = 100)]
     pub filename_match_threshold: i64,
     /// See [`self::cli::Config::exclude`]
     #[builder(default=vec![])]
diff --git a/src/rules/duplicate_alias.rs b/src/rules/duplicate_alias.rs
index c814059..3fe3a20 100644
--- a/src/rules/duplicate_alias.rs
+++ b/src/rules/duplicate_alias.rs
@@ -82,6 +82,8 @@ pub enum NewDuplicateAliasError {
     MissingSubstringError(#[from] MissingSubstringError),
     #[error(transparent)]
     ReplacePairError(#[from] ReplacePairError),
+    #[error("The file {filename} contains its own alias {alias}")]
+    AliasAndFilenameSame { filename: Filename, alias: Alias },
 }
 
 #[derive(Error, Debug)]
@@ -108,7 +110,14 @@ impl DuplicateAlias {
         file1_path: &PathBuf,
         file2_path: &PathBuf,
     ) -> Result<Self, NewDuplicateAliasError> {
-        assert_ne!(file1_path, file2_path);
+        // Boundary conditions
+        if file1_path == file2_path {
+            return Err(NewDuplicateAliasError::AliasAndFilenameSame {
+                filename: get_filename(file1_path.as_path()),
+                alias: alias.clone(),
+            });
+        }
+
         // Create the unique id
         let id = format!("{CODE}::{alias}");