diff options
Diffstat (limited to 'tvix/nix-compat-derive-tests/tests/read_derive.rs')
| -rw-r--r-- | tvix/nix-compat-derive-tests/tests/read_derive.rs | 417 |
1 files changed, 417 insertions, 0 deletions
diff --git a/tvix/nix-compat-derive-tests/tests/read_derive.rs b/tvix/nix-compat-derive-tests/tests/read_derive.rs new file mode 100644 index 000000000000..055d70cf046e --- /dev/null +++ b/tvix/nix-compat-derive-tests/tests/read_derive.rs @@ -0,0 +1,417 @@ +use std::str::FromStr; + +use nix_compat::nix_daemon::de::mock::{Builder, Error}; +use nix_compat::nix_daemon::de::NixRead; +use nix_compat_derive::NixDeserialize; + +#[derive(Debug, PartialEq, Eq, NixDeserialize)] +pub struct UnitTest; + +#[derive(Debug, PartialEq, Eq, NixDeserialize)] +pub struct EmptyTupleTest(); + +#[derive(Debug, PartialEq, Eq, NixDeserialize)] +pub struct StructTest { + first: u64, + second: String, +} + +#[derive(Debug, PartialEq, Eq, NixDeserialize)] +pub struct TupleTest(u64, String); + +#[derive(Debug, PartialEq, Eq, NixDeserialize)] +pub struct StructVersionTest { + test: u64, + #[nix(version = "20..")] + hello: String, +} + +fn default_test() -> StructVersionTest { + StructVersionTest { + test: 89, + hello: String::from("klomp"), + } +} + +#[derive(Debug, PartialEq, Eq, NixDeserialize)] +pub struct TupleVersionTest(u64, #[nix(version = "25..")] String); + +#[derive(Debug, PartialEq, Eq, NixDeserialize)] +pub struct TupleVersionDefaultTest( + u64, + #[nix(version = "..25", default = "default_test")] StructVersionTest, +); + +#[tokio::test] +async fn read_unit() { + let mut mock = Builder::new().build(); + let v: UnitTest = mock.read_value().await.unwrap(); + assert_eq!(UnitTest, v); +} + +#[tokio::test] +async fn read_empty_tuple() { + let mut mock = Builder::new().build(); + let v: EmptyTupleTest = mock.read_value().await.unwrap(); + assert_eq!(EmptyTupleTest(), v); +} + +#[tokio::test] +async fn read_struct() { + let mut mock = Builder::new().read_number(89).read_slice(b"klomp").build(); + let v: StructTest = mock.read_value().await.unwrap(); + assert_eq!( + StructTest { + first: 89, + second: String::from("klomp"), + }, + v + ); +} + +#[tokio::test] +async fn read_tuple() { + let mut mock = Builder::new().read_number(89).read_slice(b"klomp").build(); + let v: TupleTest = mock.read_value().await.unwrap(); + assert_eq!(TupleTest(89, String::from("klomp")), v); +} + +#[tokio::test] +async fn read_struct_version() { + let mut mock = Builder::new() + .version((1, 20)) + .read_number(89) + .read_slice(b"klomp") + .build(); + let v: StructVersionTest = mock.read_value().await.unwrap(); + assert_eq!(default_test(), v); +} + +#[tokio::test] +async fn read_struct_without_version() { + let mut mock = Builder::new().version((1, 19)).read_number(89).build(); + let v: StructVersionTest = mock.read_value().await.unwrap(); + assert_eq!( + StructVersionTest { + test: 89, + hello: String::new(), + }, + v + ); +} + +#[tokio::test] +async fn read_tuple_version() { + let mut mock = Builder::new() + .version((1, 26)) + .read_number(89) + .read_slice(b"klomp") + .build(); + let v: TupleVersionTest = mock.read_value().await.unwrap(); + assert_eq!(TupleVersionTest(89, "klomp".into()), v); +} + +#[tokio::test] +async fn read_tuple_without_version() { + let mut mock = Builder::new().version((1, 19)).read_number(89).build(); + let v: TupleVersionTest = mock.read_value().await.unwrap(); + assert_eq!(TupleVersionTest(89, String::new()), v); +} + +#[tokio::test] +async fn read_complex_1() { + let mut mock = Builder::new() + .version((1, 19)) + .read_number(999) + .read_number(666) + .build(); + let v: TupleVersionDefaultTest = mock.read_value().await.unwrap(); + assert_eq!( + TupleVersionDefaultTest( + 999, + StructVersionTest { + test: 666, + hello: String::new() + } + ), + v + ); +} + +#[tokio::test] +async fn read_complex_2() { + let mut mock = Builder::new() + .version((1, 20)) + .read_number(999) + .read_number(666) + .read_slice(b"The quick brown \xF0\x9F\xA6\x8A jumps over 13 lazy \xF0\x9F\x90\xB6.") + .build(); + let v: TupleVersionDefaultTest = mock.read_value().await.unwrap(); + assert_eq!( + TupleVersionDefaultTest( + 999, + StructVersionTest { + test: 666, + hello: String::from("The quick brown 🦊 jumps over 13 lazy 🐶.") + } + ), + v + ); +} + +#[tokio::test] +async fn read_complex_3() { + let mut mock = Builder::new().version((1, 25)).read_number(999).build(); + let v: TupleVersionDefaultTest = mock.read_value().await.unwrap(); + assert_eq!( + TupleVersionDefaultTest( + 999, + StructVersionTest { + test: 89, + hello: String::from("klomp") + } + ), + v + ); +} + +#[tokio::test] +async fn read_complex_4() { + let mut mock = Builder::new().version((1, 26)).read_number(999).build(); + let v: TupleVersionDefaultTest = mock.read_value().await.unwrap(); + assert_eq!( + TupleVersionDefaultTest( + 999, + StructVersionTest { + test: 89, + hello: String::from("klomp") + } + ), + v + ); +} + +#[tokio::test] +async fn read_field_invalid_data() { + let mut mock = Builder::new() + .read_number(666) + .read_slice(b"The quick brown \xED\xA0\x80 jumped.") + .build(); + let err = mock.read_value::<StructTest>().await.unwrap_err(); + assert_eq!( + Error::InvalidData("invalid utf-8 sequence of 1 bytes from index 16".into()), + err + ); +} + +#[tokio::test] +async fn read_field_missing_data() { + let mut mock = Builder::new().read_number(666).build(); + let err = mock.read_value::<StructTest>().await.unwrap_err(); + assert_eq!(Error::MissingData("unexpected end-of-file".into()), err); +} + +#[tokio::test] +async fn read_field_no_data() { + let mut mock = Builder::new().build(); + let err = mock.read_value::<StructTest>().await.unwrap_err(); + assert_eq!(Error::MissingData("unexpected end-of-file".into()), err); +} + +#[tokio::test] +async fn read_field_reader_error_first() { + let mut mock = Builder::new() + .read_number_error(Error::InvalidData("Bad reader".into())) + .build(); + let err = mock.read_value::<StructTest>().await.unwrap_err(); + assert_eq!(Error::InvalidData("Bad reader".into()), err); +} + +#[tokio::test] +async fn read_field_reader_error_later() { + let mut mock = Builder::new() + .read_number(999) + .read_bytes_error(Error::InvalidData("Bad reader".into())) + .build(); + let err = mock.read_value::<StructTest>().await.unwrap_err(); + assert_eq!(Error::InvalidData("Bad reader".into()), err); +} + +#[derive(Debug, PartialEq, Eq, NixDeserialize)] +#[nix(from_str)] +struct TestFromStr; + +impl FromStr for TestFromStr { + type Err = String; + + fn from_str(s: &str) -> Result<Self, Self::Err> { + if s == "test" { + Ok(TestFromStr) + } else { + Err(s.into()) + } + } +} + +#[tokio::test] +async fn read_from_str() { + let mut mock = Builder::new().read_slice(b"test").build(); + let value = mock.read_value::<TestFromStr>().await.unwrap(); + assert_eq!(TestFromStr, value); +} + +#[tokio::test] +async fn read_from_str_invalid_data() { + let mut mock = Builder::new().read_slice(b"wrong string").build(); + let err = mock.read_value::<TestFromStr>().await.unwrap_err(); + assert_eq!(Error::InvalidData("wrong string".into()), err); +} + +#[tokio::test] +async fn read_from_str_invalid_string() { + let mut mock = Builder::new() + .read_slice(b"The quick brown \xED\xA0\x80 jumped.") + .build(); + let err = mock.read_value::<TestFromStr>().await.unwrap_err(); + assert_eq!( + Error::InvalidData("invalid utf-8 sequence of 1 bytes from index 16".into()), + err + ); +} + +#[tokio::test] +async fn read_from_str_reader_error() { + let mut mock = Builder::new() + .read_bytes_error(Error::InvalidData("Bad reader".into())) + .build(); + let err = mock.read_value::<TestFromStr>().await.unwrap_err(); + assert_eq!(Error::InvalidData("Bad reader".into()), err); +} + +#[derive(Debug, PartialEq, Eq, NixDeserialize)] +#[nix(try_from = "u64")] +struct TestTryFromU64; + +impl TryFrom<u64> for TestTryFromU64 { + type Error = u64; + + fn try_from(value: u64) -> Result<TestTryFromU64, Self::Error> { + if value == 42 { + Ok(TestTryFromU64) + } else { + Err(value) + } + } +} + +#[tokio::test] +async fn read_try_from_u64() { + let mut mock = Builder::new().read_number(42).build(); + let value = mock.read_value::<TestTryFromU64>().await.unwrap(); + assert_eq!(TestTryFromU64, value); +} + +#[tokio::test] +async fn read_try_from_u64_invalid_data() { + let mut mock = Builder::new().read_number(666).build(); + let err = mock.read_value::<TestTryFromU64>().await.unwrap_err(); + assert_eq!(Error::InvalidData("666".into()), err); +} + +#[tokio::test] +async fn read_try_from_u64_reader_error() { + let mut mock = Builder::new() + .read_number_error(Error::InvalidData("Bad reader".into())) + .build(); + let err = mock.read_value::<TestTryFromU64>().await.unwrap_err(); + assert_eq!(Error::InvalidData("Bad reader".into()), err); +} + +#[derive(Debug, PartialEq, Eq, NixDeserialize)] +#[nix(from = "u64")] +struct TestFromU64; + +impl From<u64> for TestFromU64 { + fn from(_value: u64) -> TestFromU64 { + TestFromU64 + } +} + +#[tokio::test] +async fn read_from_u64() { + let mut mock = Builder::new().read_number(42).build(); + let value = mock.read_value::<TestFromU64>().await.unwrap(); + assert_eq!(TestFromU64, value); +} + +#[tokio::test] +async fn read_from_u64_reader_error() { + let mut mock = Builder::new() + .read_number_error(Error::InvalidData("Bad reader".into())) + .build(); + let err = mock.read_value::<TestFromU64>().await.unwrap_err(); + assert_eq!(Error::InvalidData("Bad reader".into()), err); +} + +#[derive(Debug, PartialEq, Eq, NixDeserialize)] +enum TestEnum { + #[nix(version = "..=19")] + Pre20(TestTryFromU64), + #[nix(version = "20..")] + Post20(StructVersionTest), +} + +#[tokio::test] +async fn read_enum_19() { + let mut mock = Builder::new().version((1, 19)).read_number(42).build(); + let value = mock.read_value::<TestEnum>().await.unwrap(); + assert_eq!(TestEnum::Pre20(TestTryFromU64), value); +} + +#[tokio::test] +async fn read_enum_20() { + let mut mock = Builder::new() + .version((1, 20)) + .read_number(42) + .read_slice(b"klomp") + .build(); + let value = mock.read_value::<TestEnum>().await.unwrap(); + assert_eq!( + TestEnum::Post20(StructVersionTest { + test: 42, + hello: "klomp".into(), + }), + value + ); +} + +#[tokio::test] +async fn read_enum_reader_error() { + let mut mock = Builder::new() + .version((1, 19)) + .read_number_error(Error::InvalidData("Bad reader".into())) + .build(); + let err = mock.read_value::<TestEnum>().await.unwrap_err(); + assert_eq!(Error::InvalidData("Bad reader".into()), err); +} + +#[tokio::test] +async fn read_enum_invalid_data_19() { + let mut mock = Builder::new().version((1, 19)).read_number(666).build(); + let err = mock.read_value::<TestEnum>().await.unwrap_err(); + assert_eq!(Error::InvalidData("666".into()), err); +} + +#[tokio::test] +async fn read_enum_invalid_data_20() { + let mut mock = Builder::new() + .version((1, 20)) + .read_number(666) + .read_slice(b"The quick brown \xED\xA0\x80 jumped.") + .build(); + let err = mock.read_value::<TestEnum>().await.unwrap_err(); + assert_eq!( + Error::InvalidData("invalid utf-8 sequence of 1 bytes from index 16".into()), + err + ); +} |