Replace methods with more flexible endpoints

tests/ui/endpoint/async_state.rs

@@ -0,0 +1,12 @@
+#[macro_use]
+extern crate gotham_restful;
+use gotham_restful::State;
+
+#[derive(Resource)]
+#[resource(read_all)]
+struct FooResource;
+
+#[read_all]
+async fn read_all(state: &State) {}
+
+fn main() {}

tests/ui/endpoint/async_state.stderr

@@ -0,0 +1,5 @@
+error: Endpoint handler functions that are async must not take `&State` as an argument, consider taking `&mut State`
+  --> $DIR/async_state.rs:10:19
+   |
+10 | async fn read_all(state: &State) {}
+   |                   ^^^^^

tests/ui/endpoint/invalid_attribute.rs

@@ -0,0 +1,11 @@
+#[macro_use]
+extern crate gotham_restful;
+
+#[derive(Resource)]
+#[resource(read_all)]
+struct FooResource;
+
+#[read_all(FooResource)]
+fn read_all() {}
+
+fn main() {}

tests/ui/endpoint/invalid_attribute.stderr

@@ -0,0 +1,11 @@
+error: Invalid attribute syntax
+ --> $DIR/invalid_attribute.rs:8:12
+  |
+8 | #[read_all(FooResource)]
+  |            ^^^^^^^^^^^
+
+error[E0412]: cannot find type `read_all___gotham_restful_endpoint` in this scope
+ --> $DIR/invalid_attribute.rs:5:12
+  |
+5 | #[resource(read_all)]
+  |            ^^^^^^^^ not found in this scope

tests/ui/endpoint/self.rs

@@ -0,0 +1,11 @@
+#[macro_use]
+extern crate gotham_restful;
+
+#[derive(Resource)]
+#[resource(read_all)]
+struct FooResource;
+
+#[read_all]
+fn read_all(self) {}
+
+fn main() {}

tests/ui/endpoint/self.stderr

@@ -0,0 +1,19 @@
+error: Didn't expect self parameter
+ --> $DIR/self.rs:9:13
+  |
+9 | fn read_all(self) {}
+  |             ^^^^
+
+error: `self` parameter is only allowed in associated functions
+ --> $DIR/self.rs:9:13
+  |
+9 | fn read_all(self) {}
+  |             ^^^^ not semantically valid as function parameter
+  |
+  = note: associated functions are those in `impl` or `trait` definitions
+
+error[E0412]: cannot find type `read_all___gotham_restful_endpoint` in this scope
+ --> $DIR/self.rs:5:12
+  |
+5 | #[resource(read_all)]
+  |            ^^^^^^^^ not found in this scope

tests/ui/endpoint/too_few_args.rs

@@ -0,0 +1,11 @@
+#[macro_use]
+extern crate gotham_restful;
+
+#[derive(Resource)]
+#[resource(read)]
+struct FooResource;
+
+#[read]
+fn read() {}
+
+fn main() {}

tests/ui/endpoint/too_few_args.stderr

@@ -0,0 +1,11 @@
+error: Too few arguments
+ --> $DIR/too_few_args.rs:9:4
+  |
+9 | fn read() {}
+  |    ^^^^
+
+error[E0412]: cannot find type `read___gotham_restful_endpoint` in this scope
+ --> $DIR/too_few_args.rs:5:12
+  |
+5 | #[resource(read)]
+  |            ^^^^ not found in this scope

tests/ui/endpoint/too_many_args.rs

@@ -0,0 +1,11 @@
+#[macro_use]
+extern crate gotham_restful;
+
+#[derive(Resource)]
+#[resource(read_all)]
+struct FooResource;
+
+#[read_all]
+fn read_all(_id: u64) {}
+
+fn main() {}

tests/ui/endpoint/too_many_args.stderr

@@ -0,0 +1,11 @@
+error: Too many arguments
+ --> $DIR/too_many_args.rs:9:4
+  |
+9 | fn read_all(_id: u64) {}
+  |    ^^^^^^^^
+
+error[E0412]: cannot find type `read_all___gotham_restful_endpoint` in this scope
+ --> $DIR/too_many_args.rs:5:12
+  |
+5 | #[resource(read_all)]
+  |            ^^^^^^^^ not found in this scope

tests/ui/endpoint/unknown_attribute.rs

@@ -0,0 +1,11 @@
+#[macro_use]
+extern crate gotham_restful;
+
+#[derive(Resource)]
+#[resource(read_all)]
+struct FooResource;
+
+#[read_all(pineapple = "on pizza")]
+fn read_all() {}
+
+fn main() {}

tests/ui/endpoint/unknown_attribute.stderr

@@ -0,0 +1,11 @@
+error: Unknown attribute
+ --> $DIR/unknown_attribute.rs:8:12
+  |
+8 | #[read_all(pineapple = "on pizza")]
+  |            ^^^^^^^^^
+
+error[E0412]: cannot find type `read_all___gotham_restful_endpoint` in this scope
+ --> $DIR/unknown_attribute.rs:5:12
+  |
+5 | #[resource(read_all)]
+  |            ^^^^^^^^ not found in this scope

tests/ui/endpoint/unsafe.rs

@@ -0,0 +1,11 @@
+#[macro_use]
+extern crate gotham_restful;
+
+#[derive(Resource)]
+#[resource(read_all)]
+struct FooResource;
+
+#[read_all]
+unsafe fn read_all() {}
+
+fn main() {}

tests/ui/endpoint/unsafe.stderr

@@ -0,0 +1,11 @@
+error: Endpoint handler methods must not be unsafe
+ --> $DIR/unsafe.rs:9:1
+  |
+9 | unsafe fn read_all() {}
+  | ^^^^^^
+
+error[E0412]: cannot find type `read_all___gotham_restful_endpoint` in this scope
+ --> $DIR/unsafe.rs:5:12
+  |
+5 | #[resource(read_all)]
+  |            ^^^^^^^^ not found in this scope