1 files changed, 28 insertions, 1 deletions
diff --git a/cli/disk_cache.rs b/cli/disk_cache.rs
index 81b86c0ae..3cc3b16f3 100644
--- a/cli/disk_cache.rs
+++ b/cli/disk_cache.rs
@@ -69,7 +69,10 @@ impl DiskCache {
       }
       "http" | "https" => out = url_to_filename(url),
       "file" => {
-        let path = url.to_file_path().unwrap();
+        let path = match url.to_file_path() {
+          Ok(path) => path,
+          Err(_) => return None,
+        };
         let mut path_components = path.components();
 
         if cfg!(target_os = "windows") {
@@ -278,4 +281,28 @@ mod tests {
       )
     }
   }
+
+  #[test]
+  fn test_get_cache_filename_invalid_urls() {
+    let cache_location = if cfg!(target_os = "windows") {
+      PathBuf::from(r"C:\deno_dir\")
+    } else {
+      PathBuf::from("/deno_dir/")
+    };
+
+    let cache = DiskCache::new(&cache_location);
+
+    let mut test_cases = vec!["unknown://localhost/test.ts"];
+
+    if cfg!(target_os = "windows") {
+      test_cases.push("file://");
+      test_cases.push("file:///");
+    }
+
+    for test_case in &test_cases {
+      let cache_filename =
+        cache.get_cache_filename(&Url::parse(test_case).unwrap());
+      assert_eq!(cache_filename, None);
+    }
+  }
 }