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Update generated code build test

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Use absolute paths for the test project, add roto-tonic and other
dependencies, and capture build output on failure.
This commit is contained in:
charles
2026-05-15 10:49:56 -07:00
parent a9fef01950
commit cc82e990ba
1 changed files with 17 additions and 10 deletions
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codegen/tests/build_generated_code.rs
+17 -10
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@@ -37,8 +37,9 @@ fn test_generated_code_builds() {
); );
// 2. Setup a temporary Cargo project to verify the code builds // 2. Setup a temporary Cargo project to verify the code builds
let root = std::env::current_dir().expect("Failed to get current directory"); let codegen_root = std::path::PathBuf::from(env!("CARGO_MANIFEST_DIR"));
let temp_project_dir = root.join("test_gen_project"); let project_root = codegen_root.parent().expect("Failed to get project root");
let temp_project_dir = std::path::PathBuf::from("/tmp/roto_test_gen_project");
// Clean up previous runs // Clean up previous runs
if temp_project_dir.exists() { if temp_project_dir.exists() {
@@ -47,8 +48,7 @@ fn test_generated_code_builds() {
// Create new library project // Create new library project
let status = Command::new("cargo") let status = Command::new("cargo")
.args(["new", "--lib", "test_gen_project"]) .args(["new", "--lib", temp_project_dir.to_str().expect("Invalid path")])
.current_dir(&root)
.status() .status()
.expect("Failed to run cargo new"); .expect("Failed to run cargo new");
assert!(status.success(), "cargo new failed"); assert!(status.success(), "cargo new failed");
@@ -58,8 +58,11 @@ fn test_generated_code_builds() {
let cargo_toml_content = let cargo_toml_content =
fs::read_to_string(&cargo_toml_path).expect("Failed to read Cargo.toml"); fs::read_to_string(&cargo_toml_path).expect("Failed to read Cargo.toml");
let updated_cargo_toml = format!( let updated_cargo_toml = format!(
"{}\n\nroto-codegen = {{ path = \"..\" }}\nroto-runtime = {{ path = \"../../runtime\" }}\nbytes = \"1.7\"\ntonic = \"0.12\"\ntokio-stream = \"0.1\"\n\n[workspace]\n", "{}\n\nroto-codegen = {{ path = \"{}\" }}\nroto-runtime = {{ path = \"{}\" }}\nroto-tonic = {{ path = \"{}\" }}\nbytes = \"1.7\"\ntonic = \"0.12\"\ntokio-stream = \"0.1\"\ntower = \"0.4\"\nfutures-util = \"0.3\"\nhttp-body-util = \"0.1\"\nhttp-body = \"1.0\"\n\n[workspace]\n",
cargo_toml_content cargo_toml_content,
codegen_root.to_string_lossy(),
project_root.join("runtime").to_string_lossy(),
project_root.join("roto-tonic").to_string_lossy()
); );
fs::write(cargo_toml_path, updated_cargo_toml).expect("Failed to write Cargo.toml"); fs::write(cargo_toml_path, updated_cargo_toml).expect("Failed to write Cargo.toml");
@@ -75,14 +78,18 @@ fn test_generated_code_builds() {
fs::write(lib_path, all_code).expect("Failed to write generated code to src/lib.rs"); fs::write(lib_path, all_code).expect("Failed to write generated code to src/lib.rs");
// 5. Attempt to build the project // 5. Attempt to build the project
let build_status = Command::new("cargo") let build_output = Command::new("cargo")
.args(["--offline", "build"]) .args(["build"])
.current_dir(&temp_project_dir) .current_dir(&temp_project_dir)
.status() .output()
.expect("Failed to run cargo build"); .expect("Failed to run cargo build");
if !build_output.status.success() {
eprintln!("Cargo build failed output:\n{}", String::from_utf8_lossy(&build_output.stderr));
}
assert!( assert!(
build_status.success(), build_output.status.success(),
"The generated Rust code failed to build in a standalone project!" "The generated Rust code failed to build in a standalone project!"
); );
} }