use std::fs;
use crate::common::{run_rsconstruct, run_rsconstruct_with_env, require_tool};
use tempfile::TempDir;
fn setup_protobuf_project() -> TempDir {
let temp_dir = TempDir::new().expect("Failed to create temp dir");
fs::create_dir_all(temp_dir.path().join("proto")).expect("Failed to create proto dir");
fs::write(
temp_dir.path().join("rsconstruct.toml"),
"[processor.protobuf]\nsrc_dirs = [\"proto\"]\n"
).expect("Failed to write rsconstruct.toml");
temp_dir
}
#[test]
fn protobuf_basic_compile() {
require_tool("protoc");
let temp_dir = setup_protobuf_project();
let project_path = temp_dir.path();
fs::write(
project_path.join("proto/hello.proto"),
r#"syntax = "proto3";
message Hello {
string name = 1;
}
"#
).unwrap();
let output = run_rsconstruct_with_env(project_path, &["build"], &[("NO_COLOR", "1")]);
assert!(output.status.success(), "rsconstruct build failed: {}", String::from_utf8_lossy(&output.stderr));
let output_file = project_path.join("out/protobuf/hello.pb.cc");
assert!(output_file.exists(), "Output protobuf C++ file was not created");
}
#[test]
fn protobuf_incremental_build() {
require_tool("protoc");
let temp_dir = setup_protobuf_project();
let project_path = temp_dir.path();
fs::write(
project_path.join("proto/test.proto"),
r#"syntax = "proto3";
message Test {
int32 id = 1;
}
"#
).unwrap();
let output1 = run_rsconstruct_with_env(project_path, &["build", "-v"], &[("NO_COLOR", "1")]);
assert!(output1.status.success());
let output2 = run_rsconstruct_with_env(project_path, &["build", "--verbose"], &[("NO_COLOR", "1")]);
assert!(output2.status.success());
let stdout2 = String::from_utf8_lossy(&output2.stdout);
assert!(stdout2.contains("Skipping (unchanged):"), "Expected skip message in incremental build: {}", stdout2);
}
#[test]
fn protobuf_clean() {
require_tool("protoc");
let temp_dir = setup_protobuf_project();
let project_path = temp_dir.path();
fs::write(
project_path.join("proto/clean.proto"),
r#"syntax = "proto3";
message Clean {
string value = 1;
}
"#
).unwrap();
let output = run_rsconstruct(project_path, &["build"]);
assert!(output.status.success());
assert!(project_path.join("out/protobuf/clean.pb.cc").exists());
let output = run_rsconstruct(project_path, &["clean", "outputs"]);
assert!(output.status.success());
assert!(!project_path.join("out/protobuf/clean.pb.cc").exists());
}
#[test]
fn protobuf_no_files_discovered() {
require_tool("protoc");
let temp_dir = setup_protobuf_project();
let project_path = temp_dir.path();
let output = run_rsconstruct_with_env(project_path, &["build"], &[("NO_COLOR", "1")]);
assert!(output.status.success());
let stdout = String::from_utf8_lossy(&output.stdout);
assert!(
stdout.contains("0 products"),
"Should discover 0 products: {}",
stdout
);
}