use base_sequence_compression::{compress_sequence, decompress_sequence};

#[cfg(test)]
mod tests {
    use super::*;

    #[test]
    fn test_compress_decompress() {
        let dna_sequence = "ACGTACGTACGT";
        let compressed = compress_sequence(dna_sequence);
        let decompressed = decompress_sequence(&compressed);

        assert_eq!(dna_sequence, decompressed);
    }

    #[test]
    fn test_empty_sequence() {
        let dna_sequence = "";
        let compressed = compress_sequence(dna_sequence);
        let decompressed = decompress_sequence(&compressed);
        assert_eq!(dna_sequence, decompressed);
    }

    #[test]
    fn test_single_character_a() {
        let dna_sequence = "A";
        let compressed = compress_sequence(dna_sequence);
        let decompressed = decompress_sequence(&compressed);
        assert_eq!(dna_sequence, decompressed);
    }

    #[test]
    fn test_single_character_c() {
        let dna_sequence = "C";
        let compressed = compress_sequence(dna_sequence);
        let decompressed = decompress_sequence(&compressed);
        assert_eq!(dna_sequence, decompressed);
    }

    #[test]
    fn test_single_character_t() {
        let dna_sequence = "T";
        let compressed = compress_sequence(dna_sequence);
        let decompressed = decompress_sequence(&compressed);
        assert_eq!(dna_sequence, decompressed);
    }

    #[test]
    fn test_single_character_g() {
        let dna_sequence = "G";
        let compressed = compress_sequence(dna_sequence);
        let decompressed = decompress_sequence(&compressed);
        assert_eq!(dna_sequence, decompressed);
    }

    #[test]
    fn test_non_multiple_of_four_length() {
        let dna_sequence = "ACGTACGTA";
        let compressed = compress_sequence(dna_sequence);
        let decompressed = decompress_sequence(&compressed);
        assert_eq!(dna_sequence, decompressed);
    }

    #[test]
    fn test_non_multiple_of_four_length_2() {
        let dna_sequence = "ACGTACGTAC";
        let compressed = compress_sequence(dna_sequence);
        let decompressed = decompress_sequence(&compressed);
        assert_eq!(dna_sequence, decompressed);
    }

    #[test]
    fn test_non_multiple_of_four_length_3() {
        let dna_sequence = "ACGTACGTACG";
        let compressed = compress_sequence(dna_sequence);
        let decompressed = decompress_sequence(&compressed);
        assert_eq!(dna_sequence, decompressed);
    }

    #[test]
    fn test_lower_case() {
        let dna_sequence = "acgt";
        let compressed = compress_sequence(dna_sequence);
        let decompressed = decompress_sequence(&compressed);

        assert_eq!(dna_sequence.to_uppercase(), decompressed);
    }

    #[test]
    #[should_panic]
    fn test_invalid_sequence() {
        let dna_sequence = "ACXGT";
        compress_sequence(dna_sequence);
    }
}