rust/e2e_tests/worker_test.rs

// Copyright 2026 Google LLC
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
//      http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.

use googletest::matchers;
use googletest::prelude::*;
use std::fs;
use std::process::Command;
use test_utils::EnvVars;

#[gtest]
fn get_binary_id_test(fixture: &EnvVars) {
    let binary_id_file = fixture.tmp_dir_path.join("binary_id.txt");

    let mut process = Command::new(&fixture.target_binary_path)
        .env(
            "CENTIPEDE_RUNNER_FLAGS",
            format!(":dump_binary_id:binary_id_output={}:", binary_id_file.display()),
        )
        .spawn()
        .expect("Failed to spawn binary");

    process.wait().expect("Should terminate");
    expect_that!(
        fs::read_to_string(binary_id_file).unwrap(),
        matchers::contains_substring(
            (fixture.target_binary_path.file_name()).unwrap().to_string_lossy()
        )
    );
}