fix: add initial itests and dev artifacts

crates/uv/tests/it/common/mod.rs

@@ -777,6 +777,14 @@ impl TestContext {
         command
     }
 
+    /// Create a `uv license` command with options shared across scenarios.
+    pub fn license(&self) -> Command {
+        let mut command = self.new_command();
+        command.arg("license");
+        self.add_shared_args(&mut command, false);
+        command
+    }
+
     /// Create a `uv cache clean` command.
     pub fn clean(&self) -> Command {
         let mut command = self.new_command();

crates/uv/tests/it/license.rs

@@ -0,0 +1,152 @@
+use anyhow::Result;
+use assert_cmd::assert::OutputAssertExt;
+use assert_fs::prelude::*;
+use indoc::formatdoc;
+use url::Url;
+
+use crate::common::{uv_snapshot, TestContext};
+
+#[test]
+fn project_with_no_license() -> Result<()> {
+    let context = TestContext::new("3.12");
+
+    let pyproject_toml = context.temp_dir.child("pyproject.toml");
+    pyproject_toml.write_str(
+        r#"
+        [project]
+        name = "project"
+        version = "0.1.0"
+        requires-python = ">=3.12"
+    "#,
+    )?;
+
+    uv_snapshot!(context.filters(), context.license().arg("--universal"), @r###"
+    success: true
+    exit_code: 0
+    ----- stdout -----
+    project: 0.1.0, Unknown License
+
+    ----- stderr -----
+    Resolved 1 package in [TIME]
+    "###
+    );
+
+    // `uv tree` should update the lockfile
+    let lock = context.read("uv.lock");
+    assert!(!lock.is_empty());
+
+    Ok(())
+}
+
+#[test]
+fn project_with_trove_license() -> Result<()> {
+    let context = TestContext::new("3.12");
+
+    let pyproject_toml = context.temp_dir.child("pyproject.toml");
+    pyproject_toml.write_str(
+        r#"
+        [project]
+        name = "project"
+        version = "0.1.0"
+        requires-python = ">=3.12"
+        classifiers = [
+            "License :: Other/Proprietary License"
+        ]
+    "#,
+    )?;
+
+    uv_snapshot!(context.filters(), context.license().arg("--universal"), @r###"
+    success: true
+    exit_code: 0
+    ----- stdout -----
+    project: 0.1.0, Other/Proprietary License
+
+    ----- stderr -----
+    Resolved 1 package in [TIME]
+    "###
+    );
+
+    // `uv tree` should update the lockfile
+    let lock = context.read("uv.lock");
+    assert!(!lock.is_empty());
+
+    Ok(())
+}
+
+#[test]
+fn project_with_trove_osi_license() -> Result<()> {
+    let context = TestContext::new("3.12");
+
+    let pyproject_toml = context.temp_dir.child("pyproject.toml");
+    pyproject_toml.write_str(
+        r#"
+        [project]
+        name = "project"
+        version = "0.1.0"
+        requires-python = ">=3.12"
+        classifiers = [
+            "License :: OSI Approved"
+        ]
+    "#,
+    )?;
+
+    uv_snapshot!(context.filters(), context.license().arg("--universal"), @r###"
+    success: true
+    exit_code: 0
+    ----- stdout -----
+    project: 0.1.0, OSI Approved
+
+    ----- stderr -----
+    Resolved 1 package in [TIME]
+    "###
+    );
+
+    // `uv tree` should update the lockfile
+    let lock = context.read("uv.lock");
+    assert!(!lock.is_empty());
+
+    Ok(())
+}
+
+#[test]
+fn nested_dependencies() -> Result<()> {
+    let context = TestContext::new("3.12");
+
+    let pyproject_toml = context.temp_dir.child("pyproject.toml");
+    pyproject_toml.write_str(
+        r#"
+        [project]
+        name = "project"
+        version = "0.1.0"
+        requires-python = ">=3.12"
+        dependencies = [
+            "scikit-learn==1.4.1.post1"
+        ]
+        classifiers = [
+            "License :: OSI Approved :: MIT License"
+        ]
+    "#,
+    )?;
+
+    uv_snapshot!(context.filters(), context.license().arg("--universal"), @r###"
+    success: true
+    exit_code: 0
+    ----- stdout -----
+    project: 0.1.0, MIT License
+    scikit-learn: 1.4.1.post1, BSD License
+    joblib: 1.3.2, BSD License
+    numpy: 1.26.4, BSD License
+    scipy: 1.12.0, BSD License
+    threadpoolctl: 3.4.0, BSD License
+
+    ----- stderr -----
+    Resolved 6 packages in [TIME]
+    "###
+    );
+
+    // `uv tree` should update the lockfile
+    let lock = context.read("uv.lock");
+    assert!(!lock.is_empty());
+
+    Ok(())
+}

crates/uv/tests/it/main.rs

@@ -31,6 +31,9 @@ mod help;
 #[cfg(all(feature = "python", feature = "pypi"))]
 mod init;
 
+#[cfg(all(feature = "python", feature = "pypi"))]
+mod license;
+
 #[cfg(all(feature = "python", feature = "pypi"))]
 mod lock;