test: add more unit tests

1 files changed, 201 insertions, 0 deletions

diff --git a/src/di_container/binding_map.rs b/src/di_container/binding_map.rs
index eb71ff7..6ecd34c 100644
--- a/src/di_container/binding_map.rs
+++ b/src/di_container/binding_map.rs
@@ -89,3 +89,204 @@ where
         self.bindings.len()
     }
 }
+
+#[cfg(test)]
+mod tests
+{
+    use super::*;
+
+    mod subjects
+    {
+        pub trait SomeProvider
+        {
+            fn get_id(&self) -> u8;
+        }
+
+        pub struct SomeProviderImpl
+        {
+            pub id: u8,
+        }
+
+        impl SomeProvider for SomeProviderImpl
+        {
+            fn get_id(&self) -> u8
+            {
+                self.id
+            }
+        }
+    }
+
+    #[test]
+    fn can_get()
+    {
+        type Interface = ();
+
+        let mut binding_map = DIContainerBindingMap::<dyn subjects::SomeProvider>::new();
+
+        binding_map.bindings.insert(
+            DIContainerBindingKey {
+                type_id: TypeId::of::<Interface>(),
+                name: None,
+            },
+            Box::new(subjects::SomeProviderImpl { id: 20 }),
+        );
+
+        assert!(binding_map
+            .get::<Interface>(None)
+            .map_or_else(|| false, |provider| provider.get_id() == 20));
+    }
+
+    #[test]
+    fn can_get_with_name()
+    {
+        type Interface = ();
+
+        let mut binding_map = DIContainerBindingMap::<dyn subjects::SomeProvider>::new();
+
+        binding_map.bindings.insert(
+            DIContainerBindingKey {
+                type_id: TypeId::of::<Interface>(),
+                name: Some("hello"),
+            },
+            Box::new(subjects::SomeProviderImpl { id: 11 }),
+        );
+
+        assert!(binding_map
+            .get::<Interface>(Some("hello"))
+            .map_or_else(|| false, |provider| provider.get_id() == 11));
+
+        assert!(binding_map.get::<Interface>(None).is_none());
+    }
+
+    #[test]
+    fn can_set()
+    {
+        type Interface = ();
+
+        let mut binding_map = DIContainerBindingMap::<dyn subjects::SomeProvider>::new();
+
+        binding_map
+            .set::<Interface>(None, Box::new(subjects::SomeProviderImpl { id: 65 }));
+
+        let expected_key = &DIContainerBindingKey {
+            type_id: TypeId::of::<Interface>(),
+            name: None,
+        };
+
+        assert!(binding_map.bindings.contains_key(expected_key));
+
+        assert_eq!(binding_map.bindings[expected_key].get_id(), 65);
+    }
+
+    #[test]
+    fn can_set_with_name()
+    {
+        type Interface = ();
+
+        let mut binding_map = DIContainerBindingMap::<dyn subjects::SomeProvider>::new();
+
+        binding_map.set::<Interface>(
+            Some("special"),
+            Box::new(subjects::SomeProviderImpl { id: 3 }),
+        );
+
+        let expected_key = &DIContainerBindingKey {
+            type_id: TypeId::of::<Interface>(),
+            name: Some("special"),
+        };
+
+        assert!(binding_map.bindings.contains_key(expected_key));
+
+        assert_eq!(binding_map.bindings[expected_key].get_id(), 3);
+    }
+
+    #[test]
+    fn can_remove()
+    {
+        type Interface = ();
+
+        let mut binding_map = DIContainerBindingMap::<dyn subjects::SomeProvider>::new();
+
+        binding_map.bindings.insert(
+            DIContainerBindingKey {
+                type_id: TypeId::of::<Interface>(),
+                name: None,
+            },
+            Box::new(subjects::SomeProviderImpl { id: 103 }),
+        );
+
+        binding_map.remove::<Interface>(None);
+
+        let expected_key = &DIContainerBindingKey {
+            type_id: TypeId::of::<Interface>(),
+            name: None,
+        };
+
+        assert!(!binding_map.bindings.contains_key(expected_key));
+    }
+
+    #[test]
+    fn can_remove_with_name()
+    {
+        type Interface = ();
+
+        let mut binding_map = DIContainerBindingMap::<dyn subjects::SomeProvider>::new();
+
+        binding_map.bindings.insert(
+            DIContainerBindingKey {
+                type_id: TypeId::of::<Interface>(),
+                name: Some("cool"),
+            },
+            Box::new(subjects::SomeProviderImpl { id: 42 }),
+        );
+
+        binding_map.remove::<Interface>(Some("cool"));
+
+        let expected_key = &DIContainerBindingKey {
+            type_id: TypeId::of::<Interface>(),
+            name: Some("cool"),
+        };
+
+        assert!(!binding_map.bindings.contains_key(expected_key));
+    }
+
+    #[test]
+    fn can_get_has()
+    {
+        type Interface = ();
+
+        let mut binding_map = DIContainerBindingMap::<dyn subjects::SomeProvider>::new();
+
+        assert!(!binding_map.has::<Interface>(None));
+
+        binding_map.bindings.insert(
+            DIContainerBindingKey {
+                type_id: TypeId::of::<Interface>(),
+                name: None,
+            },
+            Box::new(subjects::SomeProviderImpl { id: 103 }),
+        );
+
+        assert!(binding_map.has::<Interface>(None));
+    }
+
+    #[test]
+    fn can_get_has_with_name()
+    {
+        type Interface = ();
+
+        let mut binding_map = DIContainerBindingMap::<dyn subjects::SomeProvider>::new();
+
+        assert!(!binding_map.has::<Interface>(Some("awesome")));
+
+        binding_map.bindings.insert(
+            DIContainerBindingKey {
+                type_id: TypeId::of::<Interface>(),
+                name: Some("awesome"),
+            },
+            Box::new(subjects::SomeProviderImpl { id: 101 }),
+        );
+
+        assert!(binding_map.has::<Interface>(Some("awesome")));
+    }
+}