From e8fa9dd35fd44402a708b4dda26cc62e4fb17903 Mon Sep 17 00:00:00 2001
From: noahbaculi <nbaculi@carium.com>
Date: Wed, 26 Jul 2023 12:29:12 -0700
Subject: [PATCH] test_create_guitar_compositions

---
 .github/workflows/rust_build_and_test.yml |  4 +--
 src/lib.rs                                | 42 ++++++++++++++++++++++-
 2 files changed, 43 insertions(+), 3 deletions(-)

diff --git a/.github/workflows/rust_build_and_test.yml b/.github/workflows/rust_build_and_test.yml
index 8f891e9..b37be3e 100644
--- a/.github/workflows/rust_build_and_test.yml
+++ b/.github/workflows/rust_build_and_test.yml
@@ -14,8 +14,8 @@ jobs:
     runs-on: ${{ matrix.os }}
     steps:
       - uses: actions/checkout@v3
-      - run: cargo build
-      - run: cargo clippy -- -D warnings
+      - run: cargo build --examples --benches
+      - run: cargo clippy --examples --benches -- -D warnings
 
   test:
     name: Test
diff --git a/src/lib.rs b/src/lib.rs
index abba2fb..64fc7e9 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -25,7 +25,7 @@ pub struct CompositionInput {
 }
 
 #[wasm_bindgen(getter_with_clone)]
-#[derive(Debug, Serialize, Deserialize)]
+#[derive(Debug, PartialEq, Serialize, Deserialize)]
 pub struct Composition {
     pub tab: String,
     pub max_fret_span: u8,
@@ -75,3 +75,43 @@ pub fn create_guitar_compositions(composition_input: CompositionInput) -> Result
 
     Ok(compositions)
 }
+#[cfg(test)]
+mod test_create_guitar_compositions {
+    use super::*;
+
+    #[test]
+    fn test_create_guitar_compositions_valid_input() {
+        let composition_input = CompositionInput {
+            pitches: "E2\nA2\nD3\nG3\nB3\nE4".to_owned(),
+            tuning_name: "standard".to_string(),
+            guitar_num_frets: 20,
+            guitar_capo: 0,
+            num_arrangements: 1,
+            width: 24,
+            padding: 2,
+            playback_index: Some(3),
+        };
+
+        let compositions = create_guitar_compositions(composition_input).unwrap();
+        let expected_composition = Composition {
+            tab: "           ▼\n-----------------0------\n--------------0---------\n-----------0------------\n--------0---------------\n-----0------------------\n--0---------------------\n           ▲\n".to_owned(),
+            max_fret_span: 0,
+        };
+
+        assert_eq!(compositions[0], expected_composition);
+    }
+    #[test]
+    fn test_error() {
+        let composition_input = CompositionInput {
+            pitches: "E2\nA2\nD3\n???\nG3\nB3\nE4".to_owned(),
+            tuning_name: "standard".to_string(),
+            guitar_num_frets: 20,
+            guitar_capo: 0,
+            num_arrangements: 1,
+            width: 20,
+            padding: 2,
+            playback_index: Some(3),
+        };
+        assert!(create_guitar_compositions(composition_input).is_err());
+    }
+}