Add test

crates/uv/tests/pip_compile.rs

@@ -7374,9 +7374,48 @@ fn emit_index_annotation_pypi_org_simple() -> Result<()> {
     Ok(())
 }
 
+/// Ensure that `--emit-index-annotation` plays nicely with `--no-annotate`.
+///
+/// For now, `--no-annotate` doesn't affect `--emit-index-annotation`, in that we still emit the
+/// index annotation, and leave `--no-annotate` to only affect the package _source_ annotations.
+#[test]
+fn emit_index_annotation_no_annotate() -> Result<()> {
+    let context = TestContext::new("3.12");
+
+    let requirements_in = context.temp_dir.child("requirements.in");
+    requirements_in.write_str("requests")?;
+
+    uv_snapshot!(context.compile()
+        .arg("requirements.in")
+        .arg("--emit-index-annotation")
+        .arg("--no-annotate"), @r###"
+    success: true
+    exit_code: 0
+    ----- stdout -----
+    # This file was autogenerated by uv via the following command:
+    #    uv pip compile --cache-dir [CACHE_DIR] --exclude-newer 2024-03-25T00:00:00Z requirements.in --emit-index-annotation --no-annotate
+    certifi==2024.2.2
+        # from https://pypi.org/simple
+    charset-normalizer==3.3.2
+        # from https://pypi.org/simple
+    idna==3.6
+        # from https://pypi.org/simple
+    requests==2.31.0
+        # from https://pypi.org/simple
+    urllib3==2.2.1
+        # from https://pypi.org/simple
+
+    ----- stderr -----
+    Resolved 5 packages in [TIME]
+    "###
+    );
+
+    Ok(())
+}
+
 /// Ensure that `--emit-index-annotation` plays nicely with `--annotation-style=line`.
 #[test]
-fn emit_index_annotation_pypi_org_line() -> Result<()> {
+fn emit_index_annotation_line() -> Result<()> {
     let context = TestContext::new("3.12");
 
     let requirements_in = context.temp_dir.child("requirements.in");