Add more test cases

crates/uv-pep508/src/marker/tree.rs

@@ -3398,7 +3398,7 @@ mod test {
 
     /// Case a: There is no version `3` (no trailing zero) in the interner yet.
     #[test]
-    fn maker_normalization_a() {
+    fn marker_normalization_a() {
         let left_tree = m("python_version == '3.0.*'");
         let left = left_tree.try_to_string().unwrap();
         let right = "python_full_version == '3.0.*'";
@@ -3407,7 +3407,7 @@ mod test {
 
     /// Case b: There is already a version `3` (no trailing zero) in the interner.
     #[test]
-    fn maker_normalization_b() {
+    fn marker_normalization_b() {
         m("python_version >= '3' and python_version <= '3.0'");
 
         let left_tree = m("python_version == '3.0.*'");
@@ -3415,4 +3415,12 @@ mod test {
         let right = "python_full_version == '3.0.*'";
         assert_eq!(left, right, "{left} != {right}");
     }
+
+    #[test]
+    fn marker_normalization_c() {
+        let left_tree = MarkerTree::from_str("python_version == '3.10.0.*'").unwrap();
+        let left = left_tree.try_to_string().unwrap();
+        let right = "python_full_version == '3.10.*'";
+        assert_eq!(left, right, "{left} != {right}");
+    }
 }

crates/uv/tests/it/lock.rs

@@ -28725,3 +28725,34 @@ fn lock_prefix_match() -> Result<()> {
 
     Ok(())
 }
+
+/// Regression test for https://github.com/astral-sh/uv/issues/14231.
+#[test]
+fn test_tilde_equals_python_version() -> Result<()> {
+    let context = TestContext::new("3.12");
+
+    let pyproject_toml = context.temp_dir.child("pyproject.toml");
+    pyproject_toml.write_str(
+        r#"
+        [project]
+        name = "debug"
+        version = "0.1.0"
+        requires-python = ">=3.9"
+        dependencies = [
+          "anyio==4.2.0; python_full_version >= '3.11'",
+          "anyio==4.3.0; python_full_version ~= '3.10.0'",
+        ]
+    "#,
+    )?;
+
+    uv_snapshot!(context.filters(), context.lock(), @r"
+    success: true
+    exit_code: 0
+    ----- stdout -----
+
+    ----- stderr -----
+    Resolved 7 packages in [TIME]
+    ");
+
+    Ok(())
+}