feat: add vcf filter, info and genotypes

Cargo.toml

@@ -35,7 +35,10 @@ biotest_derive = { path = "biotest_derive", optional = true }
 
 [dev-dependencies]
 criterion      = { version = "0.5" }
+
+# test
 tempfile       = { version = "3" }
+assert_matches = { version = "1" }
 
 # CLI management
 clap           = { version = "4", features = ["derive"] }

src/constants.rs

@@ -19,28 +19,28 @@ const fn gen_array<const N: usize, const B: usize>() -> [u8; N] {
 }
 
 /// Fixed random seed
-pub const SEED: [u8; 32] = [42; 32];
+pub static SEED: [u8; 32] = [42; 32];
 
 /// Nucleotides with any case
-pub const NUCLEOTIDES: [u8; 8] = *b"ACTGactg";
+pub static NUCLEOTIDES: [u8; 8] = *b"ACTGactg";
 
 /// Nucleotides lower
-pub const NUCLEOTIDES_LOWER: [u8; 4] = *b"actg";
+pub static NUCLEOTIDES_LOWER: [u8; 4] = *b"actg";
 
 /// Nucleotides upper
-pub const NUCLEOTIDES_UPPER: [u8; 4] = *b"ACTG";
+pub static NUCLEOTIDES_UPPER: [u8; 4] = *b"ACTG";
 
 /// All possible phred 33 value
-pub const PHRED33: [u8; 40] = gen_array::<40, 33>();
+pub static PHRED33: [u8; 40] = gen_array::<40, 33>();
 
 /// All possible phred 64 value
-pub const PHRED64: [u8; 40] = gen_array::<40, 64>();
+pub static PHRED64: [u8; 40] = gen_array::<40, 64>();
 
 /// Alphabets with [ \ ] ^ _ `
-pub const ALPHABETS: [u8; 58] = gen_array::<58, 65>();
+pub static ALPHABETS: [u8; 58] = gen_array::<58, 65>();
 
 /// Some different possible chromosomes name
-pub const CHROMOSOMES: [&[u8]; 10] = [
+pub static CHROMOSOMES: [&[u8]; 10] = [
     b"chr1",
     b"23",
     b"93",
@@ -53,6 +53,21 @@ pub const CHROMOSOMES: [&[u8]; 10] = [
     b"1",
 ];
 
+/// All vcf info type
+pub static VCF_INFO_TYPE: [&[u8]; 5] = [b"Integer", b"Float", b"Flag", b"Character", b"String"];
+
+/// All vcf info number
+pub static VCF_INFO_NUMBER: [&[u8]; 6] = [b"1", b"2", b"A", b"R", b"G", b"."];
+
+/// All vcf info type
+pub static VCF_FORMAT_TYPE: [&[u8]; 4] = [b"Integer", b"Float", b"Character", b"String"];
+
+/// All vcf info number
+pub static VCF_FORMAT_NUMBER: [&[u8]; 6] = [b"1", b"2", b"A", b"R", b"G", b"."];
+
+/// biotest version
+pub static BIOTEST_VERSION: &[u8] = env!("CARGO_PKG_VERSION").as_bytes();
+
 #[cfg(test)]
 mod tests {
     /* project use */

src/error.rs

@@ -6,10 +6,47 @@ use thiserror;
 /// Enum to manage error
 #[derive(std::fmt::Debug, thiserror::Error)]
 pub enum Error {
+    /// unreachable
+    #[error("Unreachable error from file {file} in line {line}")]
+    Unreachable {
+        /// line number
+        line: u32,
+        /// file name
+        file: &'static str,
+    },
+
     /// std::io::Error error
     #[error(transparent)]
     StdIo(#[from] std::io::Error),
 }
 
+macro_rules! create_unreachable {
+    () => {
+        crate::error::Error::Unreachable {
+            line: std::line!(),
+            file: std::file!(),
+        }
+    };
+}
+
 /// Alias of result
 pub type Result<T> = core::result::Result<T, Error>;
+
+#[cfg(test)]
+mod tests {
+    #[test]
+    fn unreachable_macro() {
+        assert_matches::assert_matches!(
+            create_unreachable!(),
+            crate::error::Error::Unreachable {
+                line: 40,
+                #[cfg(target_family = "windows")]
+                file: "src\\error.rs",
+                #[cfg(target_family = "unix")]
+                file: "src/error.rs",
+                #[cfg(target_family = "wasm")]
+                file: "src/error.rs",
+            }
+        );
+    }
+}