339 lines
7.1 KiB
Rust
339 lines
7.1 KiB
Rust
use std::env;
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#[macro_use]
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extern crate itconfig;
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#[test]
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#[should_panic(expected = "Cannot read \"MISS_VARIABLE\" environment variable")]
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fn should_panic_if_miss_env_variable() {
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config! {
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MISS_VARIABLE: bool,
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}
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cfg::init();
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}
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#[test]
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fn one_variable() {
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env::set_var("DEBUG", "t");
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config! {
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DEBUG: bool,
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}
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cfg::init();
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assert_eq!(cfg::DEBUG(), true);
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env::remove_var("DEBUG");
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}
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#[test]
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fn one_variable_with_default_value() {
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config! {
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DEBUG: bool => true,
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}
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cfg::init();
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assert_eq!(cfg::DEBUG(), true);
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}
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#[test]
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fn few_variables_with_default_value() {
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config! {
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FOO: bool => true,
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BAR: bool => false,
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}
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cfg::init();
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assert_eq!(cfg::FOO(), true);
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assert_eq!(cfg::BAR(), false);
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}
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#[test]
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fn different_types_with_default_value() {
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config! {
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NUMBER: i32 => 30,
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BOOL: bool => true,
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STRING: String => "string".to_string(),
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}
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cfg::init();
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assert_eq!(cfg::NUMBER(), 30);
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assert_eq!(cfg::BOOL(), true);
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assert_eq!(cfg::STRING(), "string");
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}
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#[test]
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fn convert_bool_type_value_from_env() {
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env::set_var("T_BOOL", "t");
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env::set_var("TRUE_BOOL", "true");
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env::set_var("NUM_BOOL", "1");
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env::set_var("ON_BOOL", "on");
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env::set_var("CAMEL_CASE", "True");
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env::set_var("FALSE_BOOL", "false");
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config! {
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T_BOOL: bool,
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TRUE_BOOL: bool,
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NUM_BOOL: bool,
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ON_BOOL: bool,
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CAMEL_CASE: bool,
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FALSE_BOOL: bool,
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}
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cfg::init();
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assert_eq!(cfg::T_BOOL(), true);
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assert_eq!(cfg::TRUE_BOOL(), true);
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assert_eq!(cfg::NUM_BOOL(), true);
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assert_eq!(cfg::ON_BOOL(), true);
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assert_eq!(cfg::CAMEL_CASE(), true);
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assert_eq!(cfg::FALSE_BOOL(), false);
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}
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#[test]
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fn convert_number_type_value_from_env() {
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env::set_var("I8", "10");
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env::set_var("I16", "10");
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env::set_var("I32", "10");
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env::set_var("I64", "10");
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env::set_var("I128", "10");
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env::set_var("ISIZE","10");
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env::set_var("U8", "10");
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env::set_var("U16", "10");
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env::set_var("U32", "10");
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env::set_var("U64", "10");
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env::set_var("U128", "10");
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env::set_var("USIZE","10");
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env::set_var("F32", "10");
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env::set_var("F64","10");
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config! {
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I8: i8,
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I16: i16,
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I32: i32,
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I64: i64,
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I128: i128,
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ISIZE: isize,
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U8: u8,
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U16: u16,
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U32: u32,
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U64: u64,
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U128: u128,
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USIZE: usize,
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F32: f32,
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F64: f64,
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}
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cfg::init();
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assert_eq!(cfg::I8(), 10);
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assert_eq!(cfg::I16(), 10);
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assert_eq!(cfg::I32(), 10);
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assert_eq!(cfg::I64(), 10);
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assert_eq!(cfg::ISIZE(), 10);
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assert_eq!(cfg::U8(), 10);
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assert_eq!(cfg::U16(), 10);
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assert_eq!(cfg::U32(), 10);
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assert_eq!(cfg::U64(), 10);
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assert_eq!(cfg::USIZE(), 10);
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assert_eq!(cfg::F32(), 10.0);
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assert_eq!(cfg::F64(), 10.0);
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}
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#[test]
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fn change_configuration_module_name() {
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config! {
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#![mod_name = custom_config_name]
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DEBUG: bool => true,
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}
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custom_config_name::init();
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assert_eq!(custom_config_name::DEBUG(), true);
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}
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#[test]
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fn configuration_with_namespace() {
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env::set_var("DB_HOST", "t");
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config! {
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DEBUG: bool => true,
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DB {
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HOST: bool,
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PORT: bool => true,
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USERNAME: bool => true,
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}
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APP {}
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}
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cfg::init();
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assert_eq!(cfg::DEBUG(), true);
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assert_eq!(cfg::DB::HOST(), true);
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}
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#[test]
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fn configuration_variables_and_namespace_in_lowercase() {
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env::set_var("TESTING", "t");
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env::set_var("NAMESPACE_FOO", "t");
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config! {
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testing: bool,
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namespace {
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foo: bool,
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}
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}
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cfg::init();
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assert_eq!(cfg::testing(), true);
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assert_eq!(cfg::namespace::foo(), true);
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}
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#[test]
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fn custom_environment_name_for_variable() {
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env::set_var("MY_CUSTOM_NAME", "95");
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config! {
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#[env_name = "MY_CUSTOM_NAME"]
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PER_PAGE: i32,
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APP {
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#[env_name = "MY_CUSTOM_NAME"]
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RECIPES_PER_PAGE: i32,
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}
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}
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cfg::init();
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assert_eq!(cfg::PER_PAGE(), 95);
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assert_eq!(cfg::APP::RECIPES_PER_PAGE(), 95);
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}
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#[test]
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fn stranger_meta_data() {
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env::set_var("MY_CUSTOM_NAME", "95");
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config! {
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#[cfg(feature = "postgres")]
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#[env_name = "MY_CUSTOM_NAME"]
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DATABASE_URL: String,
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#[cfg(not(feature = "postgres"))]
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#[env_name = "MY_CUSTOM_NAME"]
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DATABASE_URL: i32,
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}
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cfg::init();
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#[cfg(not(feature = "postgres"))]
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assert_eq!(cfg::DATABASE_URL(), 95);
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#[cfg(feature = "postgres")]
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assert_eq!(cfg::DATABASE_URL(), "95");
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}
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#[test]
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fn setting_default_env_variable() {
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config! {
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DEFAULT_ENV_STRING: String => "localhost".to_string(),
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DEFAULT_ENV_BOOLEAN: bool => true,
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DEFAULT_ENV_UINT: u32 => 40,
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DEFAULT_ENV_FLOAT: f64 => 40.9,
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}
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cfg::init();
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assert_eq!(env::var("DEFAULT_ENV_STRING"), Ok("localhost".to_string()));
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assert_eq!(env::var("DEFAULT_ENV_BOOLEAN"), Ok("true".to_string()));
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assert_eq!(env::var("DEFAULT_ENV_UINT"), Ok("40".to_string()));
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assert_eq!(env::var("DEFAULT_ENV_FLOAT"), Ok("40.9".to_string()));
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}
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#[test]
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fn concatenate_environment_variables() {
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env::set_var("POSTGRES_USERNAME", "user");
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env::set_var("POSTGRES_PASSWORD", "pass");
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env::set_var("POSTGRES_HOST", "localhost");
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env::set_var("POSTGRES_DB", "test");
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config! {
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DATABASE_URL < (
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"postgres://",
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POSTGRES_USERNAME,
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":",
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POSTGRES_PASSWORD,
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"@",
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POSTGRES_HOST,
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"/",
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POSTGRES_DB,
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),
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}
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cfg::init();
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assert_eq!(cfg::DATABASE_URL(), String::from("postgres://user:pass@localhost/test"));
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}
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#[test]
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fn setting_default_concat_env_variable() {
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env::set_var("SETTING_DEFAULT_CONCAT_ENV_VARIABLE", "custom");
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config! {
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DEFAULT_CONCAT_ENV < (
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"string",
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"/",
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SETTING_DEFAULT_CONCAT_ENV_VARIABLE,
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),
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}
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cfg::init();
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assert_eq!(env::var("DEFAULT_CONCAT_ENV"), Ok("string/custom".to_string()));
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}
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#[test]
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#[should_panic(expected = "Cannot read \"PG_USERNAME\" environment variable")]
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fn concatenate_not_defined_environment_variables() {
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config! {
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DATABASE_URL < (
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"postgres://",
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PG_USERNAME,
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":",
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PG_PASSWORD,
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"@",
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PG_HOST,
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"/",
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PG_DB,
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),
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}
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cfg::init();
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}
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#[test]
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fn default_value_for_concatenate_env_parameter() {
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config! {
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CONCATENATED_DATABASE_URL < (
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"postgres://",
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NOT_DEFINED_PG_USERNAME => "user".to_string(),
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":",
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NOT_DEFINED_PG_PASSWORD => "pass".to_string(),
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"@",
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NOT_DEFINED_PG_HOST => "localhost:5432".to_string(),
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"/",
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NOT_DEFINED_PG_DB => "test".to_string(),
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),
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}
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cfg::init();
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assert_eq!(
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env::var("CONCATENATED_DATABASE_URL"),
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Ok("postgres://user:pass@localhost:5432/test".to_string())
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);
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}
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