mirror of
https://github.com/EasyTier/EasyTier.git
synced 2026-05-13 17:35:37 +00:00
feat(core): Support environment variable parsing in config files (#1640)
This commit is contained in:
@@ -19,6 +19,8 @@ use crate::{
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tunnel::generate_digest_from_str,
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};
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use super::env_parser;
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pub type Flags = crate::proto::common::FlagsInConfig;
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pub fn gen_default_flags() -> Flags {
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@@ -948,6 +950,7 @@ impl ConfigFileControl {
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pub async fn load_config_from_file(
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config_file: &PathBuf,
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config_dir: Option<&PathBuf>,
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disable_env_parsing: bool,
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) -> Result<(TomlConfigLoader, ConfigFileControl), anyhow::Error> {
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if config_file.as_os_str() == "-" {
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let mut stdin = String::new();
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@@ -958,10 +961,44 @@ pub async fn load_config_from_file(
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let config = TomlConfigLoader::new_from_str(&stdin)?;
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return Ok((config, ConfigFileControl::STATIC_CONFIG));
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}
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let config = TomlConfigLoader::new(config_file)
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let config_str = tokio::fs::read_to_string(config_file)
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.await
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.with_context(|| format!("failed to read config file: {:?}", config_file))?;
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let (expanded_config_str, uses_env_vars) = if disable_env_parsing {
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(config_str.clone(), false)
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} else {
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env_parser::expand_env_vars(&config_str)
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};
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if disable_env_parsing {
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tracing::info!(
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"Environment variable parsing is disabled for config file: {:?}",
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config_file
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);
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}
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if uses_env_vars {
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tracing::info!(
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"Environment variables detected and expanded in config file: {:?}",
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config_file
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);
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}
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let config = TomlConfigLoader::new_from_str(&expanded_config_str)
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.with_context(|| format!("failed to load config file: {:?}", config_file))?;
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let mut control = ConfigFileControl::from_path(config_file.clone()).await;
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if control.is_read_only() {
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if uses_env_vars {
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control.set_read_only(true);
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control.set_no_delete(true);
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tracing::info!(
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"Config file {:?} uses environment variables, marked as READ_ONLY and NO_DELETE",
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config_file
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);
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} else if control.is_read_only() {
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control.set_no_delete(true);
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} else if let Some(config_dir) = config_dir {
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if let Some(config_file_dir) = config_file.parent() {
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@@ -985,6 +1022,9 @@ pub async fn load_config_from_file(
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#[cfg(test)]
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pub mod tests {
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use super::*;
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use std::io::Write;
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use std::path::PathBuf;
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use tempfile::NamedTempFile;
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#[test]
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fn test_stun_servers_config() {
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@@ -1088,4 +1128,564 @@ proto = "tcp"
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);
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println!("{}", ret.dump());
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}
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/// 配置文件环境变量解析功能的集成测试
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///
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/// 测试范围:
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/// 1. 配置加载功能测试(环境变量替换、权限标记)
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/// 2. RPC API 安全测试(只读配置保护)
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/// 3. CLI 参数测试(--disable-env-parsing 开关)
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/// 4. 多实例隔离测试
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/// 5. 实际配置字段测试(network_secret、peer.uri 等)
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/// 配置加载功能测试(环境变量替换、权限标记)
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///
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/// 验证:
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/// - 环境变量能正确替换到配置中
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/// - 包含环境变量的配置文件自动标记为只读和禁止删除
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#[tokio::test]
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async fn test_env_var_expansion_and_readonly_flag() {
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// 设置测试环境变量
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std::env::set_var("TEST_SECRET", "my-test-secret-123");
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std::env::set_var("TEST_NETWORK", "test-network");
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// 创建临时配置文件,包含环境变量占位符
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let mut temp_file = NamedTempFile::new().unwrap();
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let config_content = r#"
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instance_name = "test-instance"
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[network_identity]
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network_name = "${TEST_NETWORK}"
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network_secret = "${TEST_SECRET}"
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"#;
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temp_file.write_all(config_content.as_bytes()).unwrap();
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temp_file.flush().unwrap();
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let config_path = PathBuf::from(temp_file.path());
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// 加载配置(启用环境变量解析)
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let (config, control) = load_config_from_file(&config_path, None, false)
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.await
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.unwrap();
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// 验证环境变量已被替换
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let network_identity = config.get_network_identity();
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assert_eq!(network_identity.network_name, "test-network");
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assert_eq!(
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network_identity.network_secret.as_ref().unwrap(),
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"my-test-secret-123"
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);
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// 验证权限标记:包含环境变量的配置应被标记为只读和禁止删除
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assert!(
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control.is_read_only(),
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"Config with env vars should be marked as READ_ONLY"
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);
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assert!(
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control.is_no_delete(),
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"Config with env vars should be marked as NO_DELETE"
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);
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// 清理环境变量
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std::env::remove_var("TEST_SECRET");
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std::env::remove_var("TEST_NETWORK");
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}
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/// RPC API 安全测试(只读配置保护)
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///
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/// 验证:
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/// - 只读配置不会通过 RPC API 暴露给远程调用
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/// - 这需要测试 get_network_instance_config 拒绝返回只读配置
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///
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/// 注:这个测试验证权限标记的正确设置,实际的 RPC API 保护已在
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/// `easytier/src/rpc_service/instance_manage.rs` 中实现
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#[tokio::test]
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async fn test_readonly_config_api_protection() {
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std::env::set_var("API_TEST_SECRET", "secret-value");
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// 创建包含环境变量的配置
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let mut temp_file = NamedTempFile::new().unwrap();
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let config_content = r#"
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instance_name = "api-test"
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[network_identity]
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network_name = "api-network"
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network_secret = "${API_TEST_SECRET}"
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"#;
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temp_file.write_all(config_content.as_bytes()).unwrap();
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temp_file.flush().unwrap();
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let config_path = PathBuf::from(temp_file.path());
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// 加载配置
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let (_config, control) = load_config_from_file(&config_path, None, false)
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.await
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.unwrap();
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// 验证只读标记已设置(这是 RPC API 保护的前提)
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assert!(
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control.is_read_only(),
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"Config should be marked as READ_ONLY for RPC protection"
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);
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assert!(
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control.permission.has_flag(ConfigFilePermission::READ_ONLY),
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"Permission flag should be set correctly"
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);
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std::env::remove_var("API_TEST_SECRET");
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}
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/// CLI 参数测试(--disable-env-parsing 开关)
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///
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/// 验证:
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/// - disable_env_parsing = true 时,环境变量不会被替换
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/// - 配置不会被标记为只读
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#[tokio::test]
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async fn test_disable_env_parsing_flag() {
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std::env::set_var("DISABLED_TEST_VAR", "should-not-expand");
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// 创建包含环境变量占位符的配置
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let mut temp_file = NamedTempFile::new().unwrap();
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let config_content = r#"
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instance_name = "disable-test"
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[network_identity]
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network_name = "test"
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network_secret = "${DISABLED_TEST_VAR}"
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"#;
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temp_file.write_all(config_content.as_bytes()).unwrap();
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temp_file.flush().unwrap();
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let config_path = PathBuf::from(temp_file.path());
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// 以 disable_env_parsing = true 加载配置
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let (config, control) = load_config_from_file(&config_path, None, true)
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.await
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.unwrap();
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// 验证环境变量未被替换(保持原样)
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let network_identity = config.get_network_identity();
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assert_eq!(
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network_identity.network_secret.as_ref().unwrap(),
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"${DISABLED_TEST_VAR}",
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"Env var should not be expanded when parsing is disabled"
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);
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// 验证配置不因环境变量而被标记为只读
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// 注:文件系统权限可能使其只读,但不应因环境变量而只读
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// 这里我们主要验证 NO_DELETE 标记的逻辑
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// 由于没有 config_dir,文件会被标记为 NO_DELETE,但不是因为环境变量
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assert!(
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control.is_no_delete(),
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"Config should be NO_DELETE due to no config_dir, not env vars"
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);
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std::env::remove_var("DISABLED_TEST_VAR");
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}
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/// 多实例隔离测试
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///
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/// 验证:
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/// - 不同实例可以使用不同的环境变量值
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/// - 环境变量在运行时被解析,支持动态切换
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#[tokio::test]
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async fn test_multiple_instances_with_different_env_vars() {
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// 实例1:使用第一组环境变量
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std::env::set_var("INSTANCE_SECRET", "instance1-secret");
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std::env::set_var("INSTANCE_NAME", "instance-one");
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let mut temp_file1 = NamedTempFile::new().unwrap();
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let config_content = r#"
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instance_name = "${INSTANCE_NAME}"
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[network_identity]
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network_name = "multi-test"
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network_secret = "${INSTANCE_SECRET}"
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"#;
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temp_file1.write_all(config_content.as_bytes()).unwrap();
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temp_file1.flush().unwrap();
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let config_path1 = PathBuf::from(temp_file1.path());
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let (config1, _) = load_config_from_file(&config_path1, None, false)
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.await
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.unwrap();
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// 验证实例1的配置
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assert_eq!(config1.get_inst_name(), "instance-one");
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assert_eq!(
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config1
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.get_network_identity()
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.network_secret
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.as_ref()
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.unwrap(),
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"instance1-secret"
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);
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// 实例2:修改环境变量后加载同一模板
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std::env::set_var("INSTANCE_SECRET", "instance2-secret");
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std::env::set_var("INSTANCE_NAME", "instance-two");
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let mut temp_file2 = NamedTempFile::new().unwrap();
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temp_file2.write_all(config_content.as_bytes()).unwrap();
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temp_file2.flush().unwrap();
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let config_path2 = PathBuf::from(temp_file2.path());
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let (config2, _) = load_config_from_file(&config_path2, None, false)
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.await
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.unwrap();
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// 验证实例2使用了不同的环境变量值
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assert_eq!(config2.get_inst_name(), "instance-two");
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assert_eq!(
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config2
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.get_network_identity()
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.network_secret
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.as_ref()
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.unwrap(),
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"instance2-secret"
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);
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// 验证两个实例的配置确实不同
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assert_ne!(config1.get_inst_name(), config2.get_inst_name());
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assert_ne!(
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config1.get_network_identity().network_secret,
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config2.get_network_identity().network_secret
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);
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// 清理
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std::env::remove_var("INSTANCE_SECRET");
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std::env::remove_var("INSTANCE_NAME");
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}
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/// 实际配置字段测试(network_secret、peer.uri 等)
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///
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/// 验证:
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/// - network_secret 字段支持环境变量
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/// - peer.uri 字段支持环境变量
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/// - listeners 字段支持环境变量
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/// - 其他实际使用的配置字段
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#[tokio::test]
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async fn test_real_config_fields_expansion() {
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// 设置各种实际场景的环境变量
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std::env::set_var("ET_SECRET", "production-secret-key");
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std::env::set_var("PEER_HOST", "peer.example.com");
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std::env::set_var("PEER_PORT", "11011");
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std::env::set_var("LISTEN_PORT", "11010");
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std::env::set_var("NETWORK_NAME", "prod-network");
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// 创建包含多个实际字段的完整配置
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let mut temp_file = NamedTempFile::new().unwrap();
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let config_content = r#"
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instance_name = "production"
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ipv4 = "10.144.144.1"
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listeners = ["tcp://0.0.0.0:${LISTEN_PORT}"]
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[network_identity]
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network_name = "${NETWORK_NAME}"
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network_secret = "${ET_SECRET}"
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[[peer]]
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uri = "tcp://${PEER_HOST}:${PEER_PORT}"
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"#;
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temp_file.write_all(config_content.as_bytes()).unwrap();
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temp_file.flush().unwrap();
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let config_path = PathBuf::from(temp_file.path());
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let (config, control) = load_config_from_file(&config_path, None, false)
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.await
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.unwrap();
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// 验证 network_identity 字段
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let identity = config.get_network_identity();
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assert_eq!(identity.network_name, "prod-network");
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assert_eq!(
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identity.network_secret.as_ref().unwrap(),
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"production-secret-key"
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);
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// 验证 listeners 字段
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let listeners = config.get_listener_uris();
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assert_eq!(listeners.len(), 1);
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assert_eq!(listeners[0].to_string(), "tcp://0.0.0.0:11010");
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// 验证 peer 字段
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let peers = config.get_peers();
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assert_eq!(peers.len(), 1);
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assert_eq!(peers[0].uri.to_string(), "tcp://peer.example.com:11011");
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// 验证配置被正确标记
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assert!(control.is_read_only());
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assert!(control.is_no_delete());
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|
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// 清理环境变量
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std::env::remove_var("ET_SECRET");
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std::env::remove_var("PEER_HOST");
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std::env::remove_var("PEER_PORT");
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std::env::remove_var("LISTEN_PORT");
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std::env::remove_var("NETWORK_NAME");
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}
|
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|
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/// 带默认值的环境变量
|
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///
|
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/// 验证:
|
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/// - ${VAR:-default} 语法在变量未定义时使用默认值
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#[tokio::test]
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async fn test_env_var_with_default_value() {
|
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// 确保变量未定义
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std::env::remove_var("UNDEFINED_PORT");
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std::env::remove_var("UNDEFINED_SECRET");
|
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|
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let mut temp_file = NamedTempFile::new().unwrap();
|
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let config_content = r#"
|
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instance_name = "default-test"
|
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listeners = ["tcp://0.0.0.0:${UNDEFINED_PORT:-11010}"]
|
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|
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[network_identity]
|
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network_name = "test"
|
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network_secret = "${UNDEFINED_SECRET:-default-secret}"
|
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"#;
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temp_file.write_all(config_content.as_bytes()).unwrap();
|
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temp_file.flush().unwrap();
|
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|
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let config_path = PathBuf::from(temp_file.path());
|
||||
|
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let (config, _) = load_config_from_file(&config_path, None, false)
|
||||
.await
|
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.unwrap();
|
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|
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// 验证使用了默认值
|
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assert_eq!(
|
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config
|
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.get_network_identity()
|
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.network_secret
|
||||
.as_ref()
|
||||
.unwrap(),
|
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"default-secret"
|
||||
);
|
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assert_eq!(
|
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config.get_listener_uris()[0].to_string(),
|
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"tcp://0.0.0.0:11010"
|
||||
);
|
||||
}
|
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|
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/// 环境变量未定义且无默认值的情况
|
||||
///
|
||||
/// 验证:
|
||||
/// - 未定义的环境变量保持原样(shellexpand 的默认行为)
|
||||
#[tokio::test]
|
||||
async fn test_undefined_env_var_without_default() {
|
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std::env::remove_var("COMPLETELY_UNDEFINED");
|
||||
|
||||
let mut temp_file = NamedTempFile::new().unwrap();
|
||||
let config_content = r#"
|
||||
instance_name = "undefined-test"
|
||||
|
||||
[network_identity]
|
||||
network_name = "test"
|
||||
network_secret = "${COMPLETELY_UNDEFINED}"
|
||||
"#;
|
||||
temp_file.write_all(config_content.as_bytes()).unwrap();
|
||||
temp_file.flush().unwrap();
|
||||
|
||||
let config_path = PathBuf::from(temp_file.path());
|
||||
let (config, control) = load_config_from_file(&config_path, None, false)
|
||||
.await
|
||||
.unwrap();
|
||||
|
||||
// 验证变量保持原样
|
||||
assert_eq!(
|
||||
config
|
||||
.get_network_identity()
|
||||
.network_secret
|
||||
.as_ref()
|
||||
.unwrap(),
|
||||
"${COMPLETELY_UNDEFINED}"
|
||||
);
|
||||
|
||||
// 注意:由于没有实际替换发生,控制标记不应因环境变量而设置
|
||||
// 但会因为其他原因(如没有 config_dir)被标记为 NO_DELETE
|
||||
assert!(control.is_no_delete());
|
||||
}
|
||||
|
||||
/// 布尔类型环境变量
|
||||
///
|
||||
/// 验证:
|
||||
/// - 布尔类型的环境变量能正确解析和反序列化
|
||||
/// - TOML 解析器能将字符串 "true"/"false" 转换为布尔值
|
||||
#[tokio::test]
|
||||
async fn test_boolean_type_env_vars() {
|
||||
// 设置布尔类型的环境变量
|
||||
std::env::set_var("ENABLE_DHCP", "true");
|
||||
std::env::set_var("ENABLE_ENCRYPTION", "false");
|
||||
std::env::set_var("ENABLE_IPV6", "true");
|
||||
|
||||
let mut temp_file = NamedTempFile::new().unwrap();
|
||||
let config_content = r#"
|
||||
instance_name = "bool-test"
|
||||
dhcp = ${ENABLE_DHCP}
|
||||
|
||||
[network_identity]
|
||||
network_name = "test"
|
||||
network_secret = "secret"
|
||||
|
||||
[flags]
|
||||
enable_encryption = ${ENABLE_ENCRYPTION}
|
||||
enable_ipv6 = ${ENABLE_IPV6}
|
||||
"#;
|
||||
temp_file.write_all(config_content.as_bytes()).unwrap();
|
||||
temp_file.flush().unwrap();
|
||||
|
||||
let config_path = PathBuf::from(temp_file.path());
|
||||
let (config, control) = load_config_from_file(&config_path, None, false)
|
||||
.await
|
||||
.unwrap();
|
||||
|
||||
// 验证布尔值被正确解析
|
||||
assert!(config.get_dhcp(), "dhcp should be true");
|
||||
|
||||
let flags = config.get_flags();
|
||||
assert!(
|
||||
!flags.enable_encryption,
|
||||
"enable_encryption should be false"
|
||||
);
|
||||
assert!(flags.enable_ipv6, "enable_ipv6 should be true");
|
||||
|
||||
// 验证使用环境变量的配置被标记为只读
|
||||
assert!(control.is_read_only());
|
||||
assert!(control.is_no_delete());
|
||||
|
||||
// 清理
|
||||
std::env::remove_var("ENABLE_DHCP");
|
||||
std::env::remove_var("ENABLE_ENCRYPTION");
|
||||
std::env::remove_var("ENABLE_IPV6");
|
||||
}
|
||||
|
||||
/// 数字类型环境变量
|
||||
///
|
||||
/// 验证:
|
||||
/// - 数字类型(整数、端口号)的环境变量能正确解析和反序列化
|
||||
/// - TOML 解析器能将字符串 "1380" 转换为整数
|
||||
#[tokio::test]
|
||||
async fn test_numeric_type_env_vars() {
|
||||
// 设置数字类型的环境变量
|
||||
std::env::set_var("MTU_VALUE", "1400");
|
||||
std::env::set_var("QUIC_PORT", "8080");
|
||||
std::env::set_var("THREAD_COUNT", "4");
|
||||
|
||||
let mut temp_file = NamedTempFile::new().unwrap();
|
||||
let config_content = r#"
|
||||
instance_name = "numeric-test"
|
||||
|
||||
[network_identity]
|
||||
network_name = "test"
|
||||
network_secret = "secret"
|
||||
|
||||
[flags]
|
||||
mtu = ${MTU_VALUE}
|
||||
quic_listen_port = ${QUIC_PORT}
|
||||
multi_thread_count = ${THREAD_COUNT}
|
||||
"#;
|
||||
temp_file.write_all(config_content.as_bytes()).unwrap();
|
||||
temp_file.flush().unwrap();
|
||||
|
||||
let config_path = PathBuf::from(temp_file.path());
|
||||
let (config, control) = load_config_from_file(&config_path, None, false)
|
||||
.await
|
||||
.unwrap();
|
||||
|
||||
// 验证数字值被正确解析
|
||||
let flags = config.get_flags();
|
||||
assert_eq!(flags.mtu, 1400, "mtu should be 1400");
|
||||
assert_eq!(
|
||||
flags.quic_listen_port, 8080,
|
||||
"quic_listen_port should be 8080"
|
||||
);
|
||||
assert_eq!(
|
||||
flags.multi_thread_count, 4,
|
||||
"multi_thread_count should be 4"
|
||||
);
|
||||
|
||||
// 验证使用环境变量的配置被标记为只读
|
||||
assert!(control.is_read_only());
|
||||
assert!(control.is_no_delete());
|
||||
|
||||
// 清理
|
||||
std::env::remove_var("MTU_VALUE");
|
||||
std::env::remove_var("QUIC_PORT");
|
||||
std::env::remove_var("THREAD_COUNT");
|
||||
}
|
||||
|
||||
/// 混合类型环境变量
|
||||
///
|
||||
/// 验证:
|
||||
/// - 字符串、布尔、数字类型的环境变量可以同时使用
|
||||
/// - 所有类型都能正确解析和反序列化
|
||||
/// - 模拟真实的复杂配置场景
|
||||
#[tokio::test]
|
||||
async fn test_mixed_type_env_vars() {
|
||||
// 设置不同类型的环境变量
|
||||
std::env::set_var("MIXED_SECRET", "mixed-secret-key");
|
||||
std::env::set_var("MIXED_NETWORK", "production");
|
||||
std::env::set_var("MIXED_DHCP", "true");
|
||||
std::env::set_var("MIXED_MTU", "1500");
|
||||
std::env::set_var("MIXED_ENCRYPTION", "false");
|
||||
std::env::set_var("MIXED_LISTEN_PORT", "12345");
|
||||
|
||||
let mut temp_file = NamedTempFile::new().unwrap();
|
||||
let config_content = r#"
|
||||
instance_name = "mixed-test"
|
||||
ipv4 = "10.0.0.1"
|
||||
dhcp = ${MIXED_DHCP}
|
||||
listeners = ["tcp://0.0.0.0:${MIXED_LISTEN_PORT}"]
|
||||
|
||||
[network_identity]
|
||||
network_name = "${MIXED_NETWORK}"
|
||||
network_secret = "${MIXED_SECRET}"
|
||||
|
||||
[flags]
|
||||
mtu = ${MIXED_MTU}
|
||||
enable_encryption = ${MIXED_ENCRYPTION}
|
||||
"#;
|
||||
temp_file.write_all(config_content.as_bytes()).unwrap();
|
||||
temp_file.flush().unwrap();
|
||||
|
||||
let config_path = PathBuf::from(temp_file.path());
|
||||
let (config, control) = load_config_from_file(&config_path, None, false)
|
||||
.await
|
||||
.unwrap();
|
||||
|
||||
// 验证字符串类型
|
||||
let identity = config.get_network_identity();
|
||||
assert_eq!(identity.network_name, "production");
|
||||
assert_eq!(
|
||||
identity.network_secret.as_ref().unwrap(),
|
||||
"mixed-secret-key"
|
||||
);
|
||||
|
||||
// 验证布尔类型
|
||||
assert!(config.get_dhcp());
|
||||
|
||||
let flags = config.get_flags();
|
||||
assert!(!flags.enable_encryption);
|
||||
|
||||
// 验证数字类型
|
||||
assert_eq!(flags.mtu, 1500);
|
||||
|
||||
// 验证 URL 中的端口号(数字)
|
||||
let listeners = config.get_listener_uris();
|
||||
assert_eq!(listeners.len(), 1);
|
||||
assert_eq!(listeners[0].to_string(), "tcp://0.0.0.0:12345");
|
||||
|
||||
// 验证配置被标记为只读
|
||||
assert!(control.is_read_only());
|
||||
assert!(control.is_no_delete());
|
||||
|
||||
// 清理
|
||||
std::env::remove_var("MIXED_SECRET");
|
||||
std::env::remove_var("MIXED_NETWORK");
|
||||
std::env::remove_var("MIXED_DHCP");
|
||||
std::env::remove_var("MIXED_MTU");
|
||||
std::env::remove_var("MIXED_ENCRYPTION");
|
||||
std::env::remove_var("MIXED_LISTEN_PORT");
|
||||
}
|
||||
}
|
||||
|
||||
Reference in New Issue
Block a user