Add test case with username

Author: zanieb

crates/uv/tests/pip_install.rs

@@ -732,7 +732,7 @@ fn install_git_public_https() {
 
 /// Install a package from a private GitHub repository using a PAT
 #[test]
-fn install_git_private_https_pat() {
+fn install_git_private_https_pat_no_username() {
     let context = TestContext::new("3.8");
 
     // This is a fine-grained token that only has read-only access to the `uv-private-pypackage` repository
@@ -755,6 +755,35 @@ fn install_git_private_https_pat() {
     context.assert_installed("uv_private_pypackage", "0.1.0");
 }
 
+/// Install a package from a private GitHub repository using a PAT
+#[test]
+fn install_git_private_https_pat() {
+    let context = TestContext::new("3.8");
+
+    // This is a fine-grained token that only has read-only access to the `uv-private-pypackage` repository
+    let token = "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";
+    let user = "astral-test-bot";
+
+    uv_snapshot!(command(&context)
+        .arg(format!("uv-private-pypackage @ git+https://{user}:{token}@github.com/astral-test/uv-private-pypackage"))
+        , @r###"
+    success: false
+    exit_code: 2
+    ----- stdout -----
+
+    ----- stderr -----
+    error: Failed to download and build: uv-private-pypackage @ git+https://astral-test-bot:github_pat_[SIZE]GIZA7Q0qxQCNd[SIZE]VVCf_8ZeenAddxUYnR82xy7geDJo5DsazrjdVjfh3TH[TIME][email protected]/astral-test/uv-private-pypackage
+      Caused by: Git operation failed
+      Caused by: failed to clone into: /private/var/folders/bc/qlsk3t6x7c9fhhbvvcg68k9c0000gp/T/.tmpijslxX/git-v0/db/732d1383ce6d692d
+      Caused by: failed to authenticate when downloading repository
+
+    * attempted to find username/password via git's `credential.helper` support, but failed
+      Caused by: failed to acquire username/password from local configuration
+    "###);
+
+    context.assert_installed("uv_private_pypackage", "0.1.0");
+}
+
 /// Install a package without using pre-built wheels.
 #[test]
 fn reinstall_no_binary() {