Move position::tests → testing

Expand information printed in assert_move_list

position/src/testing.rs

@@ -0,0 +1,58 @@
+// Eryn Wells <eryn@erynwells.me>
+
+use crate::MakeMoveError;
+use chessfriend_moves::{BuildMoveError, BuildMoveResult, Move};
+
+#[macro_export]
+macro_rules! assert_move_list {
+    ($generated:expr, $expected:expr, $position:expr) => {
+        assert_eq!(
+            $generated,
+            $expected,
+            "\n\tMatching: {:?}\n\tGenerated, not expected: {:?}\n\tExpected, not generated: {:?}",
+            $generated
+                .intersection(&$expected)
+                .map(|mv| format!("{}", mv))
+                .collect::<Vec<String>>(),
+            $generated
+                .difference(&$expected)
+                .map(|mv| format!("{}", mv))
+                .collect::<Vec<String>>(),
+            $expected
+                .difference(&$generated)
+                .map(|mv| format!("{}", mv))
+                .collect::<Vec<String>>(),
+        )
+    };
+}
+
+#[macro_export]
+macro_rules! formatted_move_list {
+    ($move_list:expr, $position:expr) => {
+        $move_list
+            .iter()
+            .map(|mv| format!("{}", mv))
+            .collect::<Vec<String>>()
+    };
+}
+
+pub type TestResult = Result<(), TestError>;
+
+#[derive(Debug, Eq, PartialEq)]
+pub enum TestError {
+    BuildMove(BuildMoveError),
+    MakeMove(MakeMoveError),
+    NoLegalMoves,
+}
+
+impl From<BuildMoveError> for TestError {
+    fn from(value: BuildMoveError) -> Self {
+        TestError::BuildMove(value)
+    }
+}
+
+impl From<MakeMoveError> for TestError {
+    fn from(value: MakeMoveError) -> Self {
+        TestError::MakeMove(value)
+    }
+}