Add python find test case

Author: zanieb

crates/uv/tests/it/python_install.rs

@@ -1217,8 +1217,8 @@ fn python_install_314() {
     ----- stdout -----
 
     ----- stderr -----
-    Installed Python 3.14.0a5 in [TIME]
-     + cpython-3.14.0a5-[PLATFORM]
+    Installed Python 3.14.0a6 in [TIME]
+     + cpython-3.14.0a6-[PLATFORM]
     ");
 
     // Install a specific pre-release
@@ -1231,4 +1231,44 @@ fn python_install_314() {
     Installed Python 3.14.0a4 in [TIME]
      + cpython-3.14.0a4-[PLATFORM]
     ");
+
+    // We should be able to find this version without opt-in, because there is no stable release
+    // installed
+    uv_snapshot!(context.filters(), context.python_find().arg("3.14"), @r"
+    success: true
+    exit_code: 0
+    ----- stdout -----
+    [TEMP_DIR]/managed/cpython-3.14.0a6-[PLATFORM]/bin/python3.14
+
+    ----- stderr -----
+    ");
+
+    uv_snapshot!(context.filters(), context.python_find().arg("3"), @r"
+    success: true
+    exit_code: 0
+    ----- stdout -----
+    [TEMP_DIR]/managed/cpython-3.14.0a6-[PLATFORM]/bin/python3.14
+
+    ----- stderr -----
+    ");
+
+    // If we install a stable version, that should be preferred though
+    uv_snapshot!(context.filters(), context.python_install().arg("3.13"), @r"
+    success: true
+    exit_code: 0
+    ----- stdout -----
+
+    ----- stderr -----
+    Installed Python 3.13.2 in [TIME]
+     + cpython-3.13.2-[PLATFORM]
+    ");
+
+    uv_snapshot!(context.filters(), context.python_find().arg("3"), @r"
+    success: true
+    exit_code: 0
+    ----- stdout -----
+    [TEMP_DIR]/managed/cpython-3.13.2-[PLATFORM]/bin/python3.13
+
+    ----- stderr -----
+    ");
 }