From 63122ddc672e2d287b9cc0e7752675cb0f70f7cf Mon Sep 17 00:00:00 2001
From: Federico Igne <git@federicoigne.com>
Date: Wed, 30 Dec 2020 09:17:15 +0000
Subject: [rust] RNA Transcription

---
 rust/rna-transcription/tests/rna-transcription.rs | 79 +++++++++++++++++++++++
 1 file changed, 79 insertions(+)
 create mode 100644 rust/rna-transcription/tests/rna-transcription.rs

(limited to 'rust/rna-transcription/tests')

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()
+    )
+}
-- 
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