Support multiple extras in universal pip compile output (#8960)

## Summary We were making some incorrect assumptions in the extra-merging code for universal `pip compile`. This PR corrects those assumptions and adds a bunch of additional tests. Closes https://github.com/astral-sh/uv/issues/8915.
2024-11-08 18:22:29 -05:00
parent f399a52719
commit 75c26229a2
3 changed files with 479 additions and 52 deletions
@@ -5,7 +5,9 @@ use petgraph::visit::EdgeRef;
 use petgraph::Direction;
 use rustc_hash::{FxBuildHasher, FxHashMap};

-use uv_distribution_types::{DistributionMetadata, Name, SourceAnnotation, SourceAnnotations};
+use uv_distribution_types::{
+    DistributionMetadata, Name, SourceAnnotation, SourceAnnotations, VersionId,
+};
 use uv_normalize::PackageName;
 use uv_pep508::MarkerTree;

@@ -44,15 +46,6 @@ enum DisplayResolutionGraphNode<'dist> {
    Dist(RequirementsTxtDist<'dist>),
 }

-impl DisplayResolutionGraphNode<'_> {
-    fn markers(&self) -> &MarkerTree {
-        match self {
-            DisplayResolutionGraphNode::Root => &MarkerTree::TRUE,
-            DisplayResolutionGraphNode::Dist(dist) => dist.markers,
-        }
-    }
-}
-
 impl<'a> DisplayResolutionGraph<'a> {
    /// Create a new [`DisplayResolutionGraph`] for the given graph.
    #[allow(clippy::fn_params_excessive_bools)]
@@ -156,9 +149,12 @@ impl std::fmt::Display for DisplayResolutionGraph<'_> {
            |_index, _edge| (),
        );

-        // Reduce the graph, such that all nodes for a single package are combined, regardless of
-        // the extras.
-        let petgraph = combine_extras(&petgraph);
+        // Reduce the graph, removing or combining extras for a given package.
+        let petgraph = if self.include_extras {
+            combine_extras(&petgraph)
+        } else {
+            strip_extras(&petgraph)
+        };

        // Collect all packages.
        let mut nodes = petgraph
@@ -181,11 +177,7 @@ impl std::fmt::Display for DisplayResolutionGraph<'_> {
        for (index, node) in nodes {
            // Display the node itself.
            let mut line = node
-                .to_requirements_txt(
-                    &self.resolution.requires_python,
-                    self.include_extras,
-                    self.include_markers,
-                )
+                .to_requirements_txt(&self.resolution.requires_python, self.include_markers)
                .to_string();

            // Display the distribution hashes, if any.
@@ -320,13 +312,22 @@ type RequirementsTxtGraph<'dist> =
    petgraph::graph::Graph<RequirementsTxtDist<'dist>, (), petgraph::Directed>;

 /// Reduce the graph, such that all nodes for a single package are combined, regardless of
-/// the extras.
+/// the extras, as long as they have the same version and markers.
 ///
 /// For example, `flask` and `flask[dotenv]` should be reduced into a single `flask[dotenv]`
 /// node.
 ///
+/// If the extras have different markers, they'll be treated as separate nodes. For example,
+/// `flask[dotenv] ; sys_platform == "win32"` and `flask[async] ; sys_platform == "linux"`
+/// would _not_ be combined.
+///
 /// We also remove the root node, to simplify the graph structure.
 fn combine_extras<'dist>(graph: &IntermediatePetGraph<'dist>) -> RequirementsTxtGraph<'dist> {
+    /// Return the key for a node.
+    fn version_marker(dist: &RequirementsTxtDist) -> (VersionId, MarkerTree) {
+        (dist.version_id(), dist.markers.clone())
+    }
+
    let mut next = RequirementsTxtGraph::with_capacity(graph.node_count(), graph.edge_count());
    let mut inverse = FxHashMap::with_capacity_and_hasher(graph.node_count(), FxBuildHasher);

@@ -338,40 +339,68 @@ fn combine_extras<'dist>(graph: &IntermediatePetGraph<'dist>) -> RequirementsTxt

        // In the `requirements.txt` output, we want a flat installation list, so we need to use
        // the reachability markers instead of the edge markers.
-        // We use the markers of the base package: We know that each virtual extra package has an
-        // edge to the base package, so we know that base package markers are more general than the
-        // extra package markers (the extra package markers are a subset of the base package
-        // markers).
-        if let Some(index) = inverse.get(&dist.version_id()) {
-            let node: &mut RequirementsTxtDist = &mut next[*index];
-            node.extras.extend(dist.extras.iter().cloned());
-            node.extras.sort_unstable();
-            node.extras.dedup();
-        } else {
-            let version_id = dist.version_id();
-            let dist = dist.clone();
-            let index = next.add_node(dist);
-            inverse.insert(version_id, index);
+        match inverse.entry(version_marker(dist)) {
+            std::collections::hash_map::Entry::Occupied(entry) => {
+                let index = *entry.get();
+                let node: &mut RequirementsTxtDist = &mut next[index];
+                node.extras.extend(dist.extras.iter().cloned());
+                node.extras.sort_unstable();
+                node.extras.dedup();
+            }
+            std::collections::hash_map::Entry::Vacant(entry) => {
+                let index = next.add_node(dist.clone());
+                entry.insert(index);
+            }
        }
    }

-    // Verify that the package markers are more general than the extra markers.
-    if cfg!(debug_assertions) {
-        for index in graph.node_indices() {
-            let DisplayResolutionGraphNode::Dist(dist) = &graph[index] else {
-                continue;
-            };
-            let combined_markers = next[inverse[&dist.version_id()]].markers.clone();
-            let mut package_markers = combined_markers.clone();
-            package_markers.or(graph[index].markers().clone());
-            assert_eq!(
-                package_markers,
-                combined_markers,
-                "{} {:?} {:?}",
-                dist.version_id(),
-                dist.extras,
-                dist.markers.try_to_string()
-            );
+    // Re-add the edges to the reduced graph.
+    for edge in graph.edge_indices() {
+        let (source, target) = graph.edge_endpoints(edge).unwrap();
+        let DisplayResolutionGraphNode::Dist(source_node) = &graph[source] else {
+            continue;
+        };
+        let DisplayResolutionGraphNode::Dist(target_node) = &graph[target] else {
+            continue;
+        };
+        let source = inverse[&version_marker(source_node)];
+        let target = inverse[&version_marker(target_node)];
+
+        next.update_edge(source, target, ());
+    }
+
+    next
+}
+
+/// Reduce the graph, such that all nodes for a single package are combined, with extras
+/// removed.
+///
+/// For example, `flask`, `flask[async]`, and `flask[dotenv]` should be reduced into a single
+/// `flask` node, with a conjunction of their markers.
+///
+/// We also remove the root node, to simplify the graph structure.
+fn strip_extras<'dist>(graph: &IntermediatePetGraph<'dist>) -> RequirementsTxtGraph<'dist> {
+    let mut next = RequirementsTxtGraph::with_capacity(graph.node_count(), graph.edge_count());
+    let mut inverse = FxHashMap::with_capacity_and_hasher(graph.node_count(), FxBuildHasher);
+
+    // Re-add the nodes to the reduced graph.
+    for index in graph.node_indices() {
+        let DisplayResolutionGraphNode::Dist(dist) = &graph[index] else {
+            continue;
+        };
+
+        // In the `requirements.txt` output, we want a flat installation list, so we need to use
+        // the reachability markers instead of the edge markers.
+        match inverse.entry(dist.version_id()) {
+            std::collections::hash_map::Entry::Occupied(entry) => {
+                let index = *entry.get();
+                let node: &mut RequirementsTxtDist = &mut next[index];
+                node.extras.clear();
+            }
+            std::collections::hash_map::Entry::Vacant(entry) => {
+                let index = next.add_node(dist.clone());
+                entry.insert(index);
+            }
        }
    }

@@ -35,7 +35,6 @@ impl<'dist> RequirementsTxtDist<'dist> {
    pub(crate) fn to_requirements_txt(
        &self,
        requires_python: &RequiresPython,
-        include_extras: bool,
        include_markers: bool,
    ) -> Cow<str> {
        // If the URL is editable, write it as an editable requirement.
@@ -106,7 +105,7 @@ impl<'dist> RequirementsTxtDist<'dist> {
            }
        }

-        if self.extras.is_empty() || !include_extras {
+        if self.extras.is_empty() {
            if let Some(markers) = SimplifiedMarkerTree::new(requires_python, self.markers.clone())
                .try_to_string()
                .filter(|_| include_markers)
@@ -141,6 +140,8 @@ impl<'dist> RequirementsTxtDist<'dist> {
        }
    }

+    /// Convert the [`RequirementsTxtDist`] to a comparator that can be used to sort the requirements
+    /// in a `requirements.txt` file.
    pub(crate) fn to_comparator(&self) -> RequirementsTxtComparator {
        if self.dist.is_editable() {
            if let VersionOrUrlRef::Url(url) = self.dist.version_or_url() {
@@ -153,12 +154,14 @@ impl<'dist> RequirementsTxtDist<'dist> {
                name: self.name(),
                version: self.version,
                url: Some(url.verbatim()),
+                extras: &self.extras,
            }
        } else {
            RequirementsTxtComparator::Name {
                name: self.name(),
                version: self.version,
                url: None,
+                extras: &self.extras,
            }
        }
    }
@@ -178,8 +181,10 @@ impl<'dist> RequirementsTxtDist<'dist> {
    }
 }

+/// A comparator for sorting requirements in a `requirements.txt` file.
 #[derive(Debug, Clone, PartialEq, Eq, PartialOrd, Ord)]
 pub(crate) enum RequirementsTxtComparator<'a> {
+    /// Sort by URL for editable requirements.
    Url(Cow<'a, str>),
    /// In universal mode, we can have multiple versions for a package, so we track the version and
    /// the URL (for non-index packages) to have a stable sort for those, too.
@@ -187,6 +192,7 @@ pub(crate) enum RequirementsTxtComparator<'a> {
        name: &'a PackageName,
        version: &'a Version,
        url: Option<Cow<'a, str>>,
+        extras: &'a [ExtraName],
    },
 }

@@ -8560,6 +8560,398 @@ fn universal_marker_propagation() -> Result<()> {
    Ok(())
 }

+#[test]
+fn universal_disjoint_extra() -> Result<()> {
+    let context = TestContext::new("3.12");
+    let requirements_in = context.temp_dir.child("requirements.in");
+    requirements_in.write_str(indoc::indoc! {r"
+        flask[async]; sys_platform == 'linux'
+        flask[dotenv]; sys_platform == 'darwin'
+    "})?;
+
+    uv_snapshot!(context.filters(), windows_filters=false, context.pip_compile()
+            .arg("requirements.in")
+            .arg("--universal"), @r###"
+    success: true
+    exit_code: 0
+    ----- stdout -----
+    # This file was autogenerated by uv via the following command:
+    #    uv pip compile --cache-dir [CACHE_DIR] requirements.in --universal
+    asgiref==3.8.1 ; sys_platform == 'linux'
+        # via flask
+    blinker==1.7.0 ; sys_platform == 'darwin' or sys_platform == 'linux'
+        # via flask
+    click==8.1.7 ; sys_platform == 'darwin' or sys_platform == 'linux'
+        # via flask
+    colorama==0.4.6 ; (platform_system == 'Windows' and sys_platform == 'darwin') or (platform_system == 'Windows' and sys_platform == 'linux')
+        # via click
+    flask==3.0.2 ; sys_platform == 'linux'
+        # via -r requirements.in
+    itsdangerous==2.1.2 ; sys_platform == 'darwin' or sys_platform == 'linux'
+        # via flask
+    jinja2==3.1.3 ; sys_platform == 'darwin' or sys_platform == 'linux'
+        # via flask
+    markupsafe==2.1.5 ; sys_platform == 'darwin' or sys_platform == 'linux'
+        # via
+        #   jinja2
+        #   werkzeug
+    python-dotenv==1.0.1 ; sys_platform == 'darwin'
+        # via flask
+    werkzeug==3.0.1 ; sys_platform == 'darwin' or sys_platform == 'linux'
+        # via flask
+
+    ----- stderr -----
+    Resolved 10 packages in [TIME]
+    "###
+    );
+
+    Ok(())
+}
+
+#[test]
+fn universal_disjoint_extra_no_strip() -> Result<()> {
+    let context = TestContext::new("3.12");
+    let requirements_in = context.temp_dir.child("requirements.in");
+    requirements_in.write_str(indoc::indoc! {r"
+        flask[async]; sys_platform == 'linux'
+        flask[dotenv]; sys_platform == 'darwin'
+    "})?;
+
+    uv_snapshot!(context.filters(), windows_filters=false, context.pip_compile()
+            .arg("requirements.in")
+            .arg("--universal")
+            .arg("--no-strip-extras"), @r###"
+    success: true
+    exit_code: 0
+    ----- stdout -----
+    # This file was autogenerated by uv via the following command:
+    #    uv pip compile --cache-dir [CACHE_DIR] requirements.in --universal --no-strip-extras
+    asgiref==3.8.1 ; sys_platform == 'linux'
+        # via flask
+    blinker==1.7.0 ; sys_platform == 'darwin' or sys_platform == 'linux'
+        # via flask
+    click==8.1.7 ; sys_platform == 'darwin' or sys_platform == 'linux'
+        # via flask
+    colorama==0.4.6 ; (platform_system == 'Windows' and sys_platform == 'darwin') or (platform_system == 'Windows' and sys_platform == 'linux')
+        # via click
+    flask==3.0.2 ; sys_platform == 'darwin' or sys_platform == 'linux'
+        # via -r requirements.in
+    flask[async]==3.0.2 ; sys_platform == 'linux'
+        # via -r requirements.in
+    flask[dotenv]==3.0.2 ; sys_platform == 'darwin'
+        # via -r requirements.in
+    itsdangerous==2.1.2 ; sys_platform == 'darwin' or sys_platform == 'linux'
+        # via flask
+    jinja2==3.1.3 ; sys_platform == 'darwin' or sys_platform == 'linux'
+        # via flask
+    markupsafe==2.1.5 ; sys_platform == 'darwin' or sys_platform == 'linux'
+        # via
+        #   jinja2
+        #   werkzeug
+    python-dotenv==1.0.1 ; sys_platform == 'darwin'
+        # via flask
+    werkzeug==3.0.1 ; sys_platform == 'darwin' or sys_platform == 'linux'
+        # via flask
+
+    ----- stderr -----
+    Resolved 10 packages in [TIME]
+    "###
+    );
+
+    Ok(())
+}
+
+#[test]
+fn universal_overlap_extra_base() -> Result<()> {
+    let context = TestContext::new("3.12");
+    let requirements_in = context.temp_dir.child("requirements.in");
+    requirements_in.write_str(indoc::indoc! {r"
+        flask
+        flask[dotenv]; sys_platform == 'darwin'
+    "})?;
+
+    uv_snapshot!(context.filters(), windows_filters=false, context.pip_compile()
+            .arg("requirements.in")
+            .arg("--universal"), @r###"
+    success: true
+    exit_code: 0
+    ----- stdout -----
+    # This file was autogenerated by uv via the following command:
+    #    uv pip compile --cache-dir [CACHE_DIR] requirements.in --universal
+    blinker==1.7.0
+        # via flask
+    click==8.1.7
+        # via flask
+    colorama==0.4.6 ; platform_system == 'Windows'
+        # via click
+    flask==3.0.2
+        # via -r requirements.in
+    itsdangerous==2.1.2
+        # via flask
+    jinja2==3.1.3
+        # via flask
+    markupsafe==2.1.5
+        # via
+        #   jinja2
+        #   werkzeug
+    python-dotenv==1.0.1 ; sys_platform == 'darwin'
+        # via flask
+    werkzeug==3.0.1
+        # via flask
+
+    ----- stderr -----
+    Resolved 9 packages in [TIME]
+    "###
+    );
+
+    Ok(())
+}
+
+#[test]
+fn universal_overlap_extra_base_no_strip() -> Result<()> {
+    let context = TestContext::new("3.12");
+    let requirements_in = context.temp_dir.child("requirements.in");
+    requirements_in.write_str(indoc::indoc! {r"
+        flask
+        flask[dotenv]; sys_platform == 'darwin'
+    "})?;
+
+    uv_snapshot!(context.filters(), windows_filters=false, context.pip_compile()
+            .arg("requirements.in")
+            .arg("--universal")
+            .arg("--no-strip-extras"), @r###"
+    success: true
+    exit_code: 0
+    ----- stdout -----
+    # This file was autogenerated by uv via the following command:
+    #    uv pip compile --cache-dir [CACHE_DIR] requirements.in --universal --no-strip-extras
+    blinker==1.7.0
+        # via flask
+    click==8.1.7
+        # via flask
+    colorama==0.4.6 ; platform_system == 'Windows'
+        # via click
+    flask==3.0.2
+        # via -r requirements.in
+    flask[dotenv]==3.0.2 ; sys_platform == 'darwin'
+        # via -r requirements.in
+    itsdangerous==2.1.2
+        # via flask
+    jinja2==3.1.3
+        # via flask
+    markupsafe==2.1.5
+        # via
+        #   jinja2
+        #   werkzeug
+    python-dotenv==1.0.1 ; sys_platform == 'darwin'
+        # via flask
+    werkzeug==3.0.1
+        # via flask
+
+    ----- stderr -----
+    Resolved 9 packages in [TIME]
+    "###
+    );
+
+    Ok(())
+}
+
+#[test]
+fn universal_overlap_extras() -> Result<()> {
+    let context = TestContext::new("3.12");
+    let requirements_in = context.temp_dir.child("requirements.in");
+    requirements_in.write_str(indoc::indoc! {r"
+        flask[async]; sys_platform == 'linux' or sys_platform == 'darwin'
+        flask[dotenv]; sys_platform == 'darwin'
+    "})?;
+
+    uv_snapshot!(context.filters(), windows_filters=false, context.pip_compile()
+            .arg("requirements.in")
+            .arg("--universal"), @r###"
+    success: true
+    exit_code: 0
+    ----- stdout -----
+    # This file was autogenerated by uv via the following command:
+    #    uv pip compile --cache-dir [CACHE_DIR] requirements.in --universal
+    asgiref==3.8.1 ; sys_platform == 'darwin' or sys_platform == 'linux'
+        # via flask
+    blinker==1.7.0 ; sys_platform == 'darwin' or sys_platform == 'linux'
+        # via flask
+    click==8.1.7 ; sys_platform == 'darwin' or sys_platform == 'linux'
+        # via flask
+    colorama==0.4.6 ; (platform_system == 'Windows' and sys_platform == 'darwin') or (platform_system == 'Windows' and sys_platform == 'linux')
+        # via click
+    flask==3.0.2 ; sys_platform == 'darwin' or sys_platform == 'linux'
+        # via -r requirements.in
+    itsdangerous==2.1.2 ; sys_platform == 'darwin' or sys_platform == 'linux'
+        # via flask
+    jinja2==3.1.3 ; sys_platform == 'darwin' or sys_platform == 'linux'
+        # via flask
+    markupsafe==2.1.5 ; sys_platform == 'darwin' or sys_platform == 'linux'
+        # via
+        #   jinja2
+        #   werkzeug
+    python-dotenv==1.0.1 ; sys_platform == 'darwin'
+        # via flask
+    werkzeug==3.0.1 ; sys_platform == 'darwin' or sys_platform == 'linux'
+        # via flask
+
+    ----- stderr -----
+    Resolved 10 packages in [TIME]
+    "###
+    );
+
+    Ok(())
+}
+
+#[test]
+fn universal_overlap_extras_no_strip() -> Result<()> {
+    let context = TestContext::new("3.12");
+    let requirements_in = context.temp_dir.child("requirements.in");
+    requirements_in.write_str(indoc::indoc! {r"
+        flask[async]; sys_platform == 'linux' or sys_platform == 'darwin'
+        flask[dotenv]; sys_platform == 'darwin'
+    "})?;
+
+    uv_snapshot!(context.filters(), windows_filters=false, context.pip_compile()
+            .arg("requirements.in")
+            .arg("--universal")
+            .arg("--no-strip-extras"), @r###"
+    success: true
+    exit_code: 0
+    ----- stdout -----
+    # This file was autogenerated by uv via the following command:
+    #    uv pip compile --cache-dir [CACHE_DIR] requirements.in --universal --no-strip-extras
+    asgiref==3.8.1 ; sys_platform == 'darwin' or sys_platform == 'linux'
+        # via flask
+    blinker==1.7.0 ; sys_platform == 'darwin' or sys_platform == 'linux'
+        # via flask
+    click==8.1.7 ; sys_platform == 'darwin' or sys_platform == 'linux'
+        # via flask
+    colorama==0.4.6 ; (platform_system == 'Windows' and sys_platform == 'darwin') or (platform_system == 'Windows' and sys_platform == 'linux')
+        # via click
+    flask[async]==3.0.2 ; sys_platform == 'darwin' or sys_platform == 'linux'
+        # via -r requirements.in
+    flask[dotenv]==3.0.2 ; sys_platform == 'darwin'
+        # via -r requirements.in
+    itsdangerous==2.1.2 ; sys_platform == 'darwin' or sys_platform == 'linux'
+        # via flask
+    jinja2==3.1.3 ; sys_platform == 'darwin' or sys_platform == 'linux'
+        # via flask
+    markupsafe==2.1.5 ; sys_platform == 'darwin' or sys_platform == 'linux'
+        # via
+        #   jinja2
+        #   werkzeug
+    python-dotenv==1.0.1 ; sys_platform == 'darwin'
+        # via flask
+    werkzeug==3.0.1 ; sys_platform == 'darwin' or sys_platform == 'linux'
+        # via flask
+
+    ----- stderr -----
+    Resolved 10 packages in [TIME]
+    "###
+    );
+
+    Ok(())
+}
+
+#[test]
+fn universal_identical_extras() -> Result<()> {
+    let context = TestContext::new("3.12");
+    let requirements_in = context.temp_dir.child("requirements.in");
+    requirements_in.write_str(indoc::indoc! {r"
+        flask[async]; sys_platform == 'darwin'
+        flask[dotenv]; sys_platform == 'darwin'
+    "})?;
+
+    uv_snapshot!(context.filters(), windows_filters=false, context.pip_compile()
+            .arg("requirements.in")
+            .arg("--universal"), @r###"
+    success: true
+    exit_code: 0
+    ----- stdout -----
+    # This file was autogenerated by uv via the following command:
+    #    uv pip compile --cache-dir [CACHE_DIR] requirements.in --universal
+    asgiref==3.8.1 ; sys_platform == 'darwin'
+        # via flask
+    blinker==1.7.0 ; sys_platform == 'darwin'
+        # via flask
+    click==8.1.7 ; sys_platform == 'darwin'
+        # via flask
+    colorama==0.4.6 ; platform_system == 'Windows' and sys_platform == 'darwin'
+        # via click
+    flask==3.0.2 ; sys_platform == 'darwin'
+        # via -r requirements.in
+    itsdangerous==2.1.2 ; sys_platform == 'darwin'
+        # via flask
+    jinja2==3.1.3 ; sys_platform == 'darwin'
+        # via flask
+    markupsafe==2.1.5 ; sys_platform == 'darwin'
+        # via
+        #   jinja2
+        #   werkzeug
+    python-dotenv==1.0.1 ; sys_platform == 'darwin'
+        # via flask
+    werkzeug==3.0.1 ; sys_platform == 'darwin'
+        # via flask
+
+    ----- stderr -----
+    Resolved 10 packages in [TIME]
+    "###
+    );
+
+    Ok(())
+}
+
+#[test]
+fn universal_identical_extras_no_strip() -> Result<()> {
+    let context = TestContext::new("3.12");
+    let requirements_in = context.temp_dir.child("requirements.in");
+    requirements_in.write_str(indoc::indoc! {r"
+        flask[async]; sys_platform == 'darwin'
+        flask[dotenv]; sys_platform == 'darwin'
+    "})?;
+
+    uv_snapshot!(context.filters(), windows_filters=false, context.pip_compile()
+            .arg("requirements.in")
+            .arg("--universal")
+            .arg("--no-strip-extras"), @r###"
+    success: true
+    exit_code: 0
+    ----- stdout -----
+    # This file was autogenerated by uv via the following command:
+    #    uv pip compile --cache-dir [CACHE_DIR] requirements.in --universal --no-strip-extras
+    asgiref==3.8.1 ; sys_platform == 'darwin'
+        # via flask
+    blinker==1.7.0 ; sys_platform == 'darwin'
+        # via flask
+    click==8.1.7 ; sys_platform == 'darwin'
+        # via flask
+    colorama==0.4.6 ; platform_system == 'Windows' and sys_platform == 'darwin'
+        # via click
+    flask[async, dotenv]==3.0.2 ; sys_platform == 'darwin'
+        # via -r requirements.in
+    itsdangerous==2.1.2 ; sys_platform == 'darwin'
+        # via flask
+    jinja2==3.1.3 ; sys_platform == 'darwin'
+        # via flask
+    markupsafe==2.1.5 ; sys_platform == 'darwin'
+        # via
+        #   jinja2
+        #   werkzeug
+    python-dotenv==1.0.1 ; sys_platform == 'darwin'
+        # via flask
+    werkzeug==3.0.1 ; sys_platform == 'darwin'
+        # via flask
+
+    ----- stderr -----
+    Resolved 10 packages in [TIME]
+    "###
+    );
+
+    Ok(())
+}
+
 /// Resolve a package from a `requirements.in` file, with a `constraints.txt` file pinning one of
 /// its transitive dependencies to a specific version.
 #[test]