Add test case for uv python list downloads

Author: zanieb

crates/uv/tests/it/python_list.rs

@@ -134,3 +134,30 @@ fn python_list_venv() {
     ----- stderr -----
     ");
 }
+
+#[test]
+fn python_list_downloads() {
+    let context: TestContext = TestContext::new_with_versions(&[]).with_filtered_python_keys();
+
+    // We show all interpreters
+    uv_snapshot!(context.filters(), context.python_list().env_remove("UV_PYTHON_DOWNLOADS"), @r"
+    success: true
+    exit_code: 0
+    ----- stdout -----
+    cpython-3.14.0a6+freethreaded-[PLATFORM]    <download available>
+    cpython-3.14.0a6-[PLATFORM]                 <download available>
+    cpython-3.13.2+freethreaded-[PLATFORM]      <download available>
+    cpython-3.13.2-[PLATFORM]                   <download available>
+    cpython-3.12.9-[PLATFORM]                   <download available>
+    cpython-3.11.11-[PLATFORM]                  <download available>
+    cpython-3.10.16-[PLATFORM]                  <download available>
+    cpython-3.9.21-[PLATFORM]                   <download available>
+    cpython-3.8.20-[PLATFORM]                   <download available>
+    pypy-3.11.11-[PLATFORM]                     <download available>
+    pypy-3.10.16-[PLATFORM]                     <download available>
+    pypy-3.9.19-[PLATFORM]                      <download available>
+    pypy-3.8.16-[PLATFORM]                      <download available>
+
+    ----- stderr -----
+    ");
+}