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-rw-r--r--src/errors/di_container.rs75
1 files changed, 51 insertions, 24 deletions
diff --git a/src/errors/di_container.rs b/src/errors/di_container.rs
index 127676f..ed05a5e 100644
--- a/src/errors/di_container.rs
+++ b/src/errors/di_container.rs
@@ -1,34 +1,61 @@
-//! Error types for the DI container.
+//! Error types for [`DIContainer`] and it's related structs.
+//!
+//! [`DIContainer`]: crate::di_container::DIContainer
-use std::fmt;
-use std::fmt::{Display, Formatter};
+use crate::errors::injectable::InjectableError;
-use error_stack::Context;
-
-/// Error for when the DI container fails to do something.
-#[derive(Debug)]
-pub struct DIContainerError;
-
-impl Display for DIContainerError
+/// Error type for [`DIContainer`].
+///
+/// [`DIContainer`]: crate::di_container::DIContainer
+#[derive(thiserror::Error, Debug)]
+pub enum DIContainerError
{
- fn fmt(&self, fmt: &mut Formatter<'_>) -> fmt::Result
+ /// Unable to cast a binding for a interface.
+ #[error("Unable to cast binding for interface '{0}'")]
+ CastFailed(&'static str),
+
+ /// Wrong binding type.
+ #[error("Wrong binding type for interface '{interface}'. Expected a {expected}. Found a {found}")]
+ WrongBindingType
{
- fmt.write_str("A DI container error has occurred")
- }
-}
+ /// The affected bound interface.
+ interface: &'static str,
-impl Context for DIContainerError {}
+ /// The expected binding type.
+ expected: &'static str,
-/// Error for when the binding builder fails to do something.
-#[derive(Debug)]
-pub struct BindingBuilderError;
+ /// The found binding type.
+ found: String,
+ },
-impl Display for BindingBuilderError
-{
- fn fmt(&self, fmt: &mut Formatter<'_>) -> fmt::Result
+ /// Failed to resolve a binding for a interface.
+ #[error("Failed to resolve binding for interface '{interface}'")]
+ BindingResolveFailed
{
- fmt.write_str("A binding builder error has occurred")
- }
+ /// The reason for the problem.
+ #[source]
+ reason: InjectableError,
+
+ /// The affected bound interface.
+ interface: &'static str,
+ },
+
+ /// No binding exists for a interface.
+ #[error("No binding exists for interface '{0}'")]
+ BindingNotFound(&'static str),
}
-impl Context for BindingBuilderError {}
+/// Error type for [`BindingBuilder`].
+///
+/// [`BindingBuilder`]: crate::di_container::BindingBuilder
+#[derive(thiserror::Error, Debug)]
+pub enum BindingBuilderError
+{
+ /// A binding already exists for a interface.
+ #[error("Binding already exists for interface '{0}'")]
+ BindingAlreadyExists(&'static str),
+
+ /// Resolving a singleton failed.
+ #[error("Resolving the given singleton failed")]
+ SingletonResolveFailed(#[from] InjectableError),
+}