Mock uv version in build backend tests (#8205)

crates/uv-build-backend/Cargo.toml

@@ -20,7 +20,6 @@ uv-pep440 = { workspace = true }
 uv-pep508 = { workspace = true }
 uv-pubgrub = { workspace = true }
 uv-pypi-types = { workspace = true }
-uv-version = { workspace = true }
 uv-warnings = { workspace = true }
 
 csv = { workspace = true}
@@ -41,5 +40,5 @@ workspace = true
 
 [dev-dependencies]
 indoc = { version = "2.0.5" }
-insta = { version = "1.40.0", features = ["filters"] }
+insta = { version = "1.40.0" }
 tempfile = { version = "3.12.0" }

crates/uv-build-backend/src/lib.rs

@@ -280,10 +280,11 @@ pub fn build(
     source_tree: &Path,
     wheel_dir: &Path,
     metadata_directory: Option<&Path>,
+    uv_version: &str,
 ) -> Result<WheelFilename, Error> {
     let contents = fs_err::read_to_string(source_tree.join("pyproject.toml"))?;
     let pyproject_toml = PyProjectToml::parse(&contents)?;
-    pyproject_toml.check_build_system();
+    pyproject_toml.check_build_system("1.0.0+test");
 
     check_metadata_directory(source_tree, metadata_directory, &pyproject_toml)?;
 
@@ -329,18 +330,27 @@ pub fn build(
     }
 
     debug!("Adding metadata files to {}", wheel_path.user_display());
-    let dist_info_dir =
-        write_dist_info(&mut wheel_writer, &pyproject_toml, &filename, source_tree)?;
+    let dist_info_dir = write_dist_info(
+        &mut wheel_writer,
+        &pyproject_toml,
+        &filename,
+        source_tree,
+        uv_version,
+    )?;
     wheel_writer.close(&dist_info_dir)?;
 
     Ok(filename)
 }
 
 /// Write the dist-info directory to the output directory without building the wheel.
-pub fn metadata(source_tree: &Path, metadata_directory: &Path) -> Result<String, Error> {
+pub fn metadata(
+    source_tree: &Path,
+    metadata_directory: &Path,
+    uv_version: &str,
+) -> Result<String, Error> {
     let contents = fs_err::read_to_string(source_tree.join("pyproject.toml"))?;
     let pyproject_toml = PyProjectToml::parse(&contents)?;
-    pyproject_toml.check_build_system();
+    pyproject_toml.check_build_system("1.0.0+test");
 
     let filename = WheelFilename {
         name: pyproject_toml.name().clone(),
@@ -356,8 +366,13 @@ pub fn metadata(source_tree: &Path, metadata_directory: &Path) -> Result<String,
         metadata_directory.user_display()
     );
     let mut wheel_writer = FilesystemWrite::new(metadata_directory);
-    let dist_info_dir =
-        write_dist_info(&mut wheel_writer, &pyproject_toml, &filename, source_tree)?;
+    let dist_info_dir = write_dist_info(
+        &mut wheel_writer,
+        &pyproject_toml,
+        &filename,
+        source_tree,
+        uv_version,
+    )?;
     wheel_writer.close(&dist_info_dir)?;
 
     Ok(dist_info_dir)
@@ -419,6 +434,7 @@ fn write_dist_info(
     pyproject_toml: &PyProjectToml,
     filename: &WheelFilename,
     root: &Path,
+    uv_version: &str,
 ) -> Result<String, Error> {
     let dist_info_dir = format!(
         "{}-{}.dist-info",
@@ -429,7 +445,7 @@ fn write_dist_info(
     writer.write_directory(&dist_info_dir)?;
 
     // Add `WHEEL`.
-    let wheel_info = wheel_info(filename);
+    let wheel_info = wheel_info(filename, uv_version);
     writer.write_bytes(&format!("{dist_info_dir}/WHEEL"), wheel_info.as_bytes())?;
 
     // Add `entry_points.txt`.
@@ -450,11 +466,11 @@ fn write_dist_info(
 }
 
 /// Returns the `WHEEL` file contents.
-fn wheel_info(filename: &WheelFilename) -> String {
+fn wheel_info(filename: &WheelFilename, uv_version: &str) -> String {
     // https://packaging.python.org/en/latest/specifications/binary-distribution-format/#file-contents
     let mut wheel_info = vec![
         ("Wheel-Version", "1.0".to_string()),
-        ("Generator", format!("uv {}", uv_version::version())),
+        ("Generator", format!("uv {uv_version}")),
         ("Root-Is-Purelib", "true".to_string()),
     ];
     for python_tag in &filename.python_tag {

crates/uv-build-backend/src/metadata.rs

@@ -85,7 +85,7 @@ impl PyProjectToml {
     /// ```
     ///
     /// Returns whether all checks passed.
-    pub(crate) fn check_build_system(&self) -> bool {
+    pub(crate) fn check_build_system(&self, uv_version: &str) -> bool {
         let mut passed = true;
         if self.build_system.build_backend.as_deref() != Some("uv") {
             warn_user_once!(
@@ -95,8 +95,8 @@ impl PyProjectToml {
             passed = false;
         }
 
-        let uv_version = Version::from_str(uv_version::version())
-            .expect("uv's own version is not PEP 440 compliant");
+        let uv_version =
+            Version::from_str(uv_version).expect("uv's own version is not PEP 440 compliant");
         let next_minor = uv_version.release().get(1).copied().unwrap_or_default() + 1;
         let next_breaking = Version::new([0, next_minor]);
 
@@ -131,8 +131,7 @@ impl PyProjectToml {
                     // This is allowed to happen when testing prereleases, but we should still warn.
                     warn_user_once!(
                         r#"`build_system.requires = ["{uv_requirement}"]` does not contain the
-                        current uv version {}"#,
-                        uv_version::version()
+                        current uv version {uv_version}"#,
                     );
                     passed = false;
                 }

crates/uv-build-backend/src/metadata/tests.rs

@@ -151,7 +151,7 @@ fn valid() {
 fn build_system_valid() {
     let contents = extend_project("");
     let pyproject_toml = PyProjectToml::parse(&contents).unwrap();
-    assert!(pyproject_toml.check_build_system());
+    assert!(pyproject_toml.check_build_system("1.0.0+test"));
 }
 
 #[test]
@@ -166,7 +166,7 @@ fn build_system_no_bound() {
             build-backend = "uv"
         "#};
     let pyproject_toml = PyProjectToml::parse(contents).unwrap();
-    assert!(!pyproject_toml.check_build_system());
+    assert!(!pyproject_toml.check_build_system("1.0.0+test"));
 }
 
 #[test]
@@ -181,7 +181,7 @@ fn build_system_multiple_packages() {
             build-backend = "uv"
         "#};
     let pyproject_toml = PyProjectToml::parse(contents).unwrap();
-    assert!(!pyproject_toml.check_build_system());
+    assert!(!pyproject_toml.check_build_system("1.0.0+test"));
 }
 
 #[test]
@@ -196,7 +196,7 @@ fn build_system_no_requires_uv() {
             build-backend = "uv"
         "#};
     let pyproject_toml = PyProjectToml::parse(contents).unwrap();
-    assert!(!pyproject_toml.check_build_system());
+    assert!(!pyproject_toml.check_build_system("1.0.0+test"));
 }
 
 #[test]
@@ -211,7 +211,7 @@ fn build_system_not_uv() {
             build-backend = "setuptools"
         "#};
     let pyproject_toml = PyProjectToml::parse(contents).unwrap();
-    assert!(!pyproject_toml.check_build_system());
+    assert!(!pyproject_toml.check_build_system("1.0.0+test"));
 }
 
 #[test]

crates/uv-build-backend/src/tests.rs

@@ -1,5 +1,5 @@
 use super::*;
-use insta::{assert_snapshot, with_settings};
+use insta::assert_snapshot;
 use std::str::FromStr;
 use tempfile::TempDir;
 use uv_normalize::PackageName;
@@ -16,17 +16,13 @@ fn test_wheel() {
         platform_tag: vec!["any".to_string()],
     };
 
-    with_settings!({
-        filters => [(uv_version::version(), "[VERSION]")],
-    }, {
-        assert_snapshot!(wheel_info(&filename), @r"
-                Wheel-Version: 1.0
-                Generator: uv [VERSION]
-                Root-Is-Purelib: true
-                Tag: py2-none-any
-                Tag: py3-none-any
-            ");
-    });
+    assert_snapshot!(wheel_info(&filename, "1.0.0+test"), @r"
+        Wheel-Version: 1.0
+        Generator: uv 1.0.0+test
+        Root-Is-Purelib: true
+        Tag: py2-none-any
+        Tag: py3-none-any
+    ");
 }
 
 #[test]
@@ -50,7 +46,7 @@ fn test_record() {
 fn test_determinism() {
     let temp1 = TempDir::new().unwrap();
     let uv_backend = Path::new("../../scripts/packages/uv_backend");
-    build(uv_backend, temp1.path(), None).unwrap();
+    build(uv_backend, temp1.path(), None, "1.0.0+test").unwrap();
 
     // Touch the file to check that we don't serialize the last modified date.
     fs_err::write(
@@ -60,7 +56,7 @@ fn test_determinism() {
     .unwrap();
 
     let temp2 = TempDir::new().unwrap();
-    build(uv_backend, temp2.path(), None).unwrap();
+    build(uv_backend, temp2.path(), None, "1.0.0+test").unwrap();
 
     let wheel_filename = "uv_backend-0.1.0-py3-none-any.whl";
     assert_eq!(
@@ -74,7 +70,7 @@ fn test_determinism() {
 fn test_prepare_metadata() {
     let metadata_dir = TempDir::new().unwrap();
     let uv_backend = Path::new("../../scripts/packages/uv_backend");
-    metadata(uv_backend, metadata_dir.path()).unwrap();
+    metadata(uv_backend, metadata_dir.path(), "1.0.0+test").unwrap();
 
     let mut files: Vec<_> = WalkDir::new(metadata_dir.path())
         .into_iter()
@@ -117,21 +113,16 @@ fn test_prepare_metadata() {
         .path()
         .join("uv_backend-0.1.0.dist-info/RECORD");
     assert_snapshot!(fs_err::read_to_string(record_file).unwrap(), @r###"
-    uv_backend-0.1.0.dist-info/WHEEL,sha256=1889a32410898a395359e85de53e3063be35d9113130eaf23659cb84740c0c6c,79
+    uv_backend-0.1.0.dist-info/WHEEL,sha256=3da1bfa0e8fd1b6cc246aa0b2b44a35815596c600cb485c39a6f8c106c3d5a8d,83
     uv_backend-0.1.0.dist-info/METADATA,sha256=e4a0d390317d7182f65ea978254c71ed283e0a4242150cf1c99a694b113ff68d,224
     uv_backend-0.1.0.dist-info/RECORD,,
     "###);
 
     let wheel_file = metadata_dir.path().join("uv_backend-0.1.0.dist-info/WHEEL");
-    let filters = vec![(uv_version::version(), "[VERSION]")];
-    with_settings!({
-        filters => filters
-    }, {
-        assert_snapshot!(fs_err::read_to_string(wheel_file).unwrap(), @r###"
-                Wheel-Version: 1.0
-                Generator: uv [VERSION]
-                Root-Is-Purelib: true
-                Tag: py3-none-any
-            "###);
-    });
+    assert_snapshot!(fs_err::read_to_string(wheel_file).unwrap(), @r###"
+        Wheel-Version: 1.0
+        Generator: uv 1.0.0+test
+        Root-Is-Purelib: true
+        Tag: py3-none-any
+    "###);
 }