added more tests

src/files/detector.rs

@@ -32,76 +32,5 @@ pub fn read_file_sample(path: &Path, max_chars: usize) -> Option<String> {
 }
 
 #[cfg(test)]
-mod tests {
-    use super::*;
-    use std::fs::File;
-    use std::io::Write;
-    use std::path::Path;
-
-    #[test]
-    fn test_is_text_file_with_text_extensions() {
-        assert!(is_text_file(Path::new("test.txt")));
-        assert!(is_text_file(Path::new("test.rs")));
-        assert!(is_text_file(Path::new("test.py")));
-        assert!(is_text_file(Path::new("test.md")));
-        assert!(is_text_file(Path::new("test.json")));
-    }
-
-    #[test]
-    fn test_is_text_file_with_binary_extensions() {
-        assert!(!is_text_file(Path::new("test.exe")));
-        assert!(!is_text_file(Path::new("test.bin")));
-        assert!(!is_text_file(Path::new("test.jpg")));
-        assert!(!is_text_file(Path::new("test.pdf")));
-    }
-
-    #[test]
-    fn test_is_text_file_case_insensitive() {
-        assert!(is_text_file(Path::new("test.TXT")));
-        assert!(is_text_file(Path::new("test.RS")));
-        assert!(is_text_file(Path::new("test.Py")));
-    }
-
-    #[test]
-    fn test_read_file_sample() {
-        let temp_dir = tempfile::tempdir().unwrap();
-        let file_path = temp_dir.path().join("test.txt");
-
-        let mut file = File::create(&file_path).unwrap();
-        file.write_all(b"Hello, World!").unwrap();
-
-        let content = read_file_sample(&file_path, 1000);
-        assert_eq!(content, Some("Hello, World!".to_string()));
-    }
-
-    #[test]
-    fn test_read_file_sample_with_limit() {
-        let temp_dir = tempfile::tempdir().unwrap();
-        let file_path = temp_dir.path().join("test.txt");
-
-        let mut file = File::create(&file_path).unwrap();
-        file.write_all(b"Hello, World! This is a long text.")
-            .unwrap();
-
-        let content = read_file_sample(&file_path, 5);
-        assert_eq!(content, Some("Hello".to_string()));
-    }
-
-    #[test]
-    fn test_read_file_sample_binary_file() {
-        let temp_dir = tempfile::tempdir().unwrap();
-        let file_path = temp_dir.path().join("test.bin");
-
-        let mut file = File::create(&file_path).unwrap();
-        file.write_all(&[0x00, 0xFF, 0x80, 0x90]).unwrap();
-
-        let content = read_file_sample(&file_path, 1000);
-        assert_eq!(content, None);
-    }
-
-    #[test]
-    fn test_read_file_sample_nonexistent() {
-        let content = read_file_sample(Path::new("/nonexistent/file.txt"), 1000);
-        assert_eq!(content, None);
-    }
-}
+#[path = "detector_test.rs"]
+mod tests;