1 files changed, 79 insertions, 0 deletions

diff --git a/rust/rna-transcription/tests/rna-transcription.rs b/rust/rna-transcription/tests/rna-transcription.rs
new file mode 100644
index 0000000..bc96a4f
--- /dev/null
+++ b/rust/rna-transcription/tests/rna-transcription.rs
@@ -0,0 +1,79 @@
+use rna_transcription as dna;
+
+#[test]
+fn test_valid_dna_input() {
+    assert!(dna::Dna::new("GCTA").is_ok());
+}
+
+#[test]
+fn test_valid_rna_input() {
+    assert!(dna::Rna::new("CGAU").is_ok());
+}
+
+#[test]
+fn test_invalid_dna_input() {
+    // Invalid character
+    assert_eq!(dna::Dna::new("X").err(), Some(0));
+    // Valid nucleotide, but invalid in context
+    assert_eq!(dna::Dna::new("U").err(), Some(0));
+    // Longer string with contained errors
+    assert_eq!(dna::Dna::new("ACGTUXXCTTAA").err(), Some(4));
+}
+
+#[test]
+fn test_invalid_rna_input() {
+    // Invalid character
+    assert_eq!(dna::Rna::new("X").unwrap_err(), 0);
+    // Valid nucleotide, but invalid in context
+    assert_eq!(dna::Rna::new("T").unwrap_err(), 0);
+    // Longer string with contained errors
+    assert_eq!(dna::Rna::new("ACGUTTXCUUAA").unwrap_err(), 4);
+}
+
+#[test]
+fn test_acid_equals_acid() {
+    assert_eq!(dna::Dna::new("CGA").unwrap(), dna::Dna::new("CGA").unwrap());
+    assert_ne!(dna::Dna::new("CGA").unwrap(), dna::Dna::new("AGC").unwrap());
+    assert_eq!(dna::Rna::new("CGA").unwrap(), dna::Rna::new("CGA").unwrap());
+    assert_ne!(dna::Rna::new("CGA").unwrap(), dna::Rna::new("AGC").unwrap());
+}
+
+#[test]
+fn test_transcribes_cytosine_guanine() {
+    assert_eq!(
+        dna::Rna::new("G").unwrap(),
+        dna::Dna::new("C").unwrap().into_rna()
+    );
+}
+
+#[test]
+fn test_transcribes_guanine_cytosine() {
+    assert_eq!(
+        dna::Rna::new("C").unwrap(),
+        dna::Dna::new("G").unwrap().into_rna()
+    );
+}
+
+#[test]
+fn test_transcribes_adenine_uracil() {
+    assert_eq!(
+        dna::Rna::new("U").unwrap(),
+        dna::Dna::new("A").unwrap().into_rna()
+    );
+}
+
+#[test]
+fn test_transcribes_thymine_to_adenine() {
+    assert_eq!(
+        dna::Rna::new("A").unwrap(),
+        dna::Dna::new("T").unwrap().into_rna()
+    );
+}
+
+#[test]
+fn test_transcribes_all_dna_to_rna() {
+    assert_eq!(
+        dna::Rna::new("UGCACCAGAAUU").unwrap(),
+        dna::Dna::new("ACGTGGTCTTAA").unwrap().into_rna()
+    )
+}