From 56349a530811bbf0657fed14912c7e02001b2c8a Mon Sep 17 00:00:00 2001 From: HampusM Date: Sun, 6 Nov 2022 19:03:56 +0100 Subject: test: split up cast unit tests into their respective modules --- src/libs/intertrait/cast/arc.rs | 50 +++++++++++++++++++ src/libs/intertrait/cast/box.rs | 49 +++++++++++++++++++ src/libs/intertrait/cast/rc.rs | 49 +++++++++++++++++++ src/libs/intertrait/mod.rs | 104 ++++------------------------------------ 4 files changed, 156 insertions(+), 96 deletions(-) (limited to 'src/libs/intertrait') diff --git a/src/libs/intertrait/cast/arc.rs b/src/libs/intertrait/cast/arc.rs index 135cf64..6d3867c 100644 --- a/src/libs/intertrait/cast/arc.rs +++ b/src/libs/intertrait/cast/arc.rs @@ -45,3 +45,53 @@ impl CastArc for CastFromSelf }) } } + +#[cfg(test)] +mod tests +{ + use std::any::Any; + use std::fmt::{Debug, Display}; + use std::sync::Arc; + + use super::*; + use crate::test_utils::subjects; + + #[test] + fn can_cast_arc() + { + let concrete_ninja = Arc::new(subjects::Ninja); + + let abstract_ninja: Arc = concrete_ninja; + + let debug_ninja_result = abstract_ninja.cast::(); + + assert!(debug_ninja_result.is_ok()); + } + + #[test] + fn cannot_cast_arc_wrong() + { + let concrete_ninja = Arc::new(subjects::Ninja); + + let abstract_ninja: Arc = concrete_ninja; + + let display_ninja_result = abstract_ninja.cast::(); + + assert!(matches!( + display_ninja_result, + Err(CastError::GetCasterFailed(_)) + )); + } + + #[test] + fn can_cast_arc_from_any() + { + let concrete_ninja = Arc::new(subjects::Ninja); + + let any_ninja: Arc = concrete_ninja; + + let debug_ninja_result = any_ninja.cast::(); + + assert!(debug_ninja_result.is_ok()); + } +} diff --git a/src/libs/intertrait/cast/box.rs b/src/libs/intertrait/cast/box.rs index 67fd949..0e160f4 100644 --- a/src/libs/intertrait/cast/box.rs +++ b/src/libs/intertrait/cast/box.rs @@ -40,3 +40,52 @@ impl CastBox for CastFromSelf }) } } + +#[cfg(test)] +mod tests +{ + use std::any::Any; + use std::fmt::{Debug, Display}; + + use super::*; + use crate::test_utils::subjects; + + #[test] + fn can_cast_box() + { + let concrete_ninja = Box::new(subjects::Ninja); + + let abstract_ninja: Box = concrete_ninja; + + let debug_ninja_result = abstract_ninja.cast::(); + + assert!(debug_ninja_result.is_ok()); + } + + #[test] + fn cannot_cast_box_wrong() + { + let concrete_ninja = Box::new(subjects::Ninja); + + let abstract_ninja: Box = concrete_ninja; + + let display_ninja_result = abstract_ninja.cast::(); + + assert!(matches!( + display_ninja_result, + Err(CastError::GetCasterFailed(_)) + )); + } + + #[test] + fn can_cast_box_from_any() + { + let concrete_ninja = Box::new(subjects::Ninja); + + let any_ninja: Box = concrete_ninja; + + let debug_ninja_result = any_ninja.cast::(); + + assert!(debug_ninja_result.is_ok()); + } +} diff --git a/src/libs/intertrait/cast/rc.rs b/src/libs/intertrait/cast/rc.rs index ec70544..906490d 100644 --- a/src/libs/intertrait/cast/rc.rs +++ b/src/libs/intertrait/cast/rc.rs @@ -40,3 +40,52 @@ impl CastRc for CastFromSelf }) } } + +#[cfg(test)] +mod tests +{ + use std::any::Any; + use std::fmt::{Debug, Display}; + + use super::*; + use crate::test_utils::subjects; + + #[test] + fn can_cast_rc() + { + let concrete_ninja = Rc::new(subjects::Ninja); + + let abstract_ninja: Rc = concrete_ninja; + + let debug_ninja_result = abstract_ninja.cast::(); + + assert!(debug_ninja_result.is_ok()); + } + + #[test] + fn cannot_cast_rc_wrong() + { + let concrete_ninja = Rc::new(subjects::Ninja); + + let abstract_ninja: Rc = concrete_ninja; + + let display_ninja_result = abstract_ninja.cast::(); + + assert!(matches!( + display_ninja_result, + Err(CastError::GetCasterFailed(_)) + )); + } + + #[test] + fn can_cast_rc_from_any() + { + let concrete_ninja = Rc::new(subjects::Ninja); + + let any_ninja: Rc = concrete_ninja; + + let debug_ninja_result = any_ninja.cast::(); + + assert!(debug_ninja_result.is_ok()); + } +} diff --git a/src/libs/intertrait/mod.rs b/src/libs/intertrait/mod.rs index 78f98b1..4a9322f 100644 --- a/src/libs/intertrait/mod.rs +++ b/src/libs/intertrait/mod.rs @@ -244,46 +244,39 @@ impl CastFromSync for dyn Any + Sync + Send + 'static #[cfg(test)] mod tests { - use std::any::{Any, TypeId}; - use std::fmt::{Debug, Display}; + use std::any::TypeId; + use std::fmt::Debug; use linkme::distributed_slice; - #[allow(clippy::wildcard_imports)] - use super::cast::*; use super::*; + use crate::test_utils::subjects; #[distributed_slice(super::CASTERS)] static TEST_CASTER: fn() -> (TypeId, BoxedCaster) = create_test_caster; - #[derive(Debug)] - struct TestStruct; - - trait SourceTrait: CastFromSync {} - - impl SourceTrait for TestStruct {} - fn create_test_caster() -> (TypeId, BoxedCaster) { - let type_id = TypeId::of::(); + let type_id = TypeId::of::(); + let caster = Box::new(Caster:: { cast_box: |from| { let concrete = from - .downcast::() + .downcast::() .map_err(|_| CasterError::CastBoxFailed)?; Ok(concrete as Box) }, cast_rc: |from| { let concrete = from - .downcast::() + .downcast::() .map_err(|_| CasterError::CastRcFailed)?; Ok(concrete as Rc) }, opt_cast_arc: Some(|from| { let concrete = from - .downcast::() + .downcast::() .map_err(|_| CasterError::CastArcFailed)?; Ok(concrete as Arc) @@ -291,85 +284,4 @@ mod tests }); (type_id, caster) } - - #[test] - fn cast_box() - { - let ts = Box::new(TestStruct); - let st: Box = ts; - let debug = st.cast::(); - assert!(debug.is_ok()); - } - - #[test] - fn cast_rc() - { - let ts = Rc::new(TestStruct); - let st: Rc = ts; - let debug = st.cast::(); - assert!(debug.is_ok()); - } - - #[test] - fn cast_arc() - { - let ts = Arc::new(TestStruct); - let st: Arc = ts; - let debug = st.cast::(); - assert!(debug.is_ok()); - } - - #[test] - fn cast_box_wrong() - { - let ts = Box::new(TestStruct); - let st: Box = ts; - let display = st.cast::(); - assert!(display.is_err()); - } - - #[test] - fn cast_rc_wrong() - { - let ts = Rc::new(TestStruct); - let st: Rc = ts; - let display = st.cast::(); - assert!(display.is_err()); - } - - #[test] - fn cast_arc_wrong() - { - let ts = Arc::new(TestStruct); - let st: Arc = ts; - let display = st.cast::(); - assert!(display.is_err()); - } - - #[test] - fn cast_box_from_any() - { - let ts = Box::new(TestStruct); - let st: Box = ts; - let debug = st.cast::(); - assert!(debug.is_ok()); - } - - #[test] - fn cast_rc_from_any() - { - let ts = Rc::new(TestStruct); - let st: Rc = ts; - let debug = st.cast::(); - assert!(debug.is_ok()); - } - - #[test] - fn cast_arc_from_any() - { - let ts = Arc::new(TestStruct); - let st: Arc = ts; - let debug = st.cast::(); - assert!(debug.is_ok()); - } } -- cgit v1.2.3-18-g5258