diff --git a/substrate/.gitignore b/substrate/.gitignore
index d9ba8ac2b4..28885a4830 100644
--- a/substrate/.gitignore
+++ b/substrate/.gitignore
@@ -20,3 +20,4 @@ nohup.out
rls*.log
*.orig
*.rej
+**/wip/*.stderr
diff --git a/substrate/Cargo.lock b/substrate/Cargo.lock
index 3658699187..17bf92b259 100644
--- a/substrate/Cargo.lock
+++ b/substrate/Cargo.lock
@@ -1024,6 +1024,11 @@ name = "glob"
version = "0.2.11"
source = "registry+https://github.com/rust-lang/crates.io-index"
+[[package]]
+name = "glob"
+version = "0.3.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+
[[package]]
name = "globset"
version = "0.4.3"
@@ -3269,6 +3274,7 @@ dependencies = [
"substrate-state-machine 2.0.0",
"substrate-test-client 2.0.0",
"syn 0.15.32 (registry+https://github.com/rust-lang/crates.io-index)",
+ "trybuild 1.0.4 (registry+https://github.com/rust-lang/crates.io-index)",
]
[[package]]
@@ -5010,6 +5016,14 @@ dependencies = [
"serde 1.0.90 (registry+https://github.com/rust-lang/crates.io-index)",
]
+[[package]]
+name = "toml"
+version = "0.5.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "serde 1.0.90 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
[[package]]
name = "traitobject"
version = "0.1.0"
@@ -5065,6 +5079,19 @@ name = "try-lock"
version = "0.2.2"
source = "registry+https://github.com/rust-lang/crates.io-index"
+[[package]]
+name = "trybuild"
+version = "1.0.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "glob 0.3.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "lazy_static 1.3.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde 1.0.90 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde_json 1.0.39 (registry+https://github.com/rust-lang/crates.io-index)",
+ "termcolor 1.0.4 (registry+https://github.com/rust-lang/crates.io-index)",
+ "toml 0.5.0 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
[[package]]
name = "twofish"
version = "0.2.0"
@@ -5631,6 +5658,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
"checksum get_if_addrs 0.5.3 (registry+https://github.com/rust-lang/crates.io-index)" = "abddb55a898d32925f3148bd281174a68eeb68bbfd9a5938a57b18f506ee4ef7"
"checksum get_if_addrs-sys 0.1.1 (registry+https://github.com/rust-lang/crates.io-index)" = "0d04f9fb746cf36b191c00f3ede8bde9c8e64f9f4b05ae2694a9ccf5e3f5ab48"
"checksum glob 0.2.11 (registry+https://github.com/rust-lang/crates.io-index)" = "8be18de09a56b60ed0edf84bc9df007e30040691af7acd1c41874faac5895bfb"
+"checksum glob 0.3.0 (registry+https://github.com/rust-lang/crates.io-index)" = "9b919933a397b79c37e33b77bb2aa3dc8eb6e165ad809e58ff75bc7db2e34574"
"checksum globset 0.4.3 (registry+https://github.com/rust-lang/crates.io-index)" = "ef4feaabe24a0a658fd9cf4a9acf6ed284f045c77df0f49020ba3245cfb7b454"
"checksum h2 0.1.18 (registry+https://github.com/rust-lang/crates.io-index)" = "85ab6286db06040ddefb71641b50017c06874614001a134b423783e2db2920bd"
"checksum hash-db 0.12.2 (registry+https://github.com/rust-lang/crates.io-index)" = "ba7fb417e5c470acdd61068c79767d0e65962e70836cf6c9dfd2409f06345ce0"
@@ -5888,12 +5916,14 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
"checksum tokio-udp 0.1.3 (registry+https://github.com/rust-lang/crates.io-index)" = "66268575b80f4a4a710ef83d087fdfeeabdce9b74c797535fbac18a2cb906e92"
"checksum tokio-uds 0.2.5 (registry+https://github.com/rust-lang/crates.io-index)" = "037ffc3ba0e12a0ab4aca92e5234e0dedeb48fddf6ccd260f1f150a36a9f2445"
"checksum toml 0.4.10 (registry+https://github.com/rust-lang/crates.io-index)" = "758664fc71a3a69038656bee8b6be6477d2a6c315a6b81f7081f591bffa4111f"
+"checksum toml 0.5.0 (registry+https://github.com/rust-lang/crates.io-index)" = "87c5890a989fa47ecdc7bcb4c63a77a82c18f306714104b1decfd722db17b39e"
"checksum traitobject 0.1.0 (registry+https://github.com/rust-lang/crates.io-index)" = "efd1f82c56340fdf16f2a953d7bda4f8fdffba13d93b00844c25572110b26079"
"checksum trie-bench 0.12.2 (registry+https://github.com/rust-lang/crates.io-index)" = "ba20f7d9865497ea46511860b43e05a44f4ac9a76ee089d34cd80a839a690264"
"checksum trie-db 0.12.2 (registry+https://github.com/rust-lang/crates.io-index)" = "1ba73747fd3a64ab531274c04cb588dfa9d30d972d62990831e63fbce2cfec59"
"checksum trie-root 0.12.2 (registry+https://github.com/rust-lang/crates.io-index)" = "cfa2e20c4f1418ac2e71ddc418e35e1b56e34022e2146209ffdbf1b2de8b1bd9"
"checksum trie-standardmap 0.12.2 (registry+https://github.com/rust-lang/crates.io-index)" = "e4e24277af05f38f3aaf03ac78e3a154be83f13db9c8ef0cb95bb1aa764a477b"
"checksum try-lock 0.2.2 (registry+https://github.com/rust-lang/crates.io-index)" = "e604eb7b43c06650e854be16a2a03155743d3752dd1c943f6829e26b7a36e382"
+"checksum trybuild 1.0.4 (registry+https://github.com/rust-lang/crates.io-index)" = "0b0df728de48978b759da185ed7ef76676ef0c878ae4800c9e90024c998dc75b"
"checksum twofish 0.2.0 (registry+https://github.com/rust-lang/crates.io-index)" = "712d261e83e727c8e2dbb75dacac67c36e35db36a958ee504f2164fc052434e1"
"checksum twox-hash 1.2.0 (registry+https://github.com/rust-lang/crates.io-index)" = "09871da9f15424236082e0b220fd404a4eb6bebc7205c67653701229234ac64c"
"checksum typeable 0.1.2 (registry+https://github.com/rust-lang/crates.io-index)" = "1410f6f91f21d1612654e7cc69193b0334f909dcf2c790c4826254fbb86f8887"
diff --git a/substrate/core/sr-api-macros/Cargo.toml b/substrate/core/sr-api-macros/Cargo.toml
index 5aace4b62a..a87b53b732 100644
--- a/substrate/core/sr-api-macros/Cargo.toml
+++ b/substrate/core/sr-api-macros/Cargo.toml
@@ -24,6 +24,7 @@ substrate-primitives = { path = "../primitives" }
criterion = "0.2"
consensus_common = { package = "substrate-consensus-common", path = "../consensus/common" }
codec = { package = "parity-codec", version = "3.5.1" }
+trybuild = "1.0"
[[bench]]
name = "bench"
diff --git a/substrate/core/sr-api-macros/src/compile_fail_tests.rs b/substrate/core/sr-api-macros/src/compile_fail_tests.rs
deleted file mode 100644
index e562f8b2fe..0000000000
--- a/substrate/core/sr-api-macros/src/compile_fail_tests.rs
+++ /dev/null
@@ -1,412 +0,0 @@
-// Copyright 2018-2019 Parity Technologies (UK) Ltd.
-// This file is part of Substrate.
-
-// Substrate is free software: you can redistribute it and/or modify
-// it under the terms of the GNU General Public License as published by
-// the Free Software Foundation, either version 3 of the License, or
-// (at your option) any later version.
-
-// Substrate is distributed in the hope that it will be useful,
-// but WITHOUT ANY WARRANTY; without even the implied warranty of
-// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-// GNU General Public License for more details.
-
-// You should have received a copy of the GNU General Public License
-// along with Substrate. If not, see .
-
-//! Compile fail tests.
-
-mod declaring_own_block {
- /*!
- ```compile_fail
- #[macro_use]
- extern crate client;
- extern crate sr_primitives as runtime_primitives;
-
- use runtime_primitives::traits::Block as BlockT;
-
- decl_runtime_apis! {
- pub trait Api {
- fn test();
- }
- }
-
- fn main() {}
- ```
- */
-}
-
-mod declaring_own_block_with_different_name {
- /*!
- ```compile_fail
- #[macro_use]
- extern crate client;
- extern crate sr_primitives as runtime_primitives;
-
- use runtime_primitives::traits::Block as BlockT;
-
- decl_runtime_apis! {
- pub trait Api {
- fn test();
- }
- }
-
- fn main() {}
- ```
- */
-}
-
-mod adding_self_parameter {
- /*!
- ```compile_fail
- #[macro_use]
- extern crate client;
- extern crate sr_primitives as runtime_primitives;
-
- decl_runtime_apis! {
- pub trait Api {
- fn test(&self);
- }
- }
-
- fn main() {}
- ```
- */
-}
-
-mod adding_at_parameter {
- /*!
- ```compile_fail
- #[macro_use]
- extern crate client;
- extern crate sr_primitives as runtime_primitives;
-
- decl_runtime_apis! {
- pub trait Api {
- fn test(at: u64);
- }
- }
-
- fn main() {}
- ```
- */
-}
-
-mod invalid_api_version {
- /*!
- ```compile_fail
- #[macro_use]
- extern crate client;
- extern crate sr_primitives as runtime_primitives;
-
- decl_runtime_apis! {
- #[api_version]
- pub trait Api {
- fn test(data: u64);
- }
- }
-
- fn main() {}
- ```
- */
-}
-
-mod invalid_api_version_2 {
- /*!
- ```compile_fail
- #[macro_use]
- extern crate client;
- extern crate sr_primitives as runtime_primitives;
-
- decl_runtime_apis! {
- #[api_version("1")]
- pub trait Api {
- fn test(data: u64);
- }
- }
-
- fn main() {}
- ```
- */
-}
-
-mod invalid_api_version_3 {
- /*!
- ```compile_fail
- #[macro_use]
- extern crate client;
- extern crate sr_primitives as runtime_primitives;
-
- decl_runtime_apis! {
- #[api_version()]
- pub trait Api {
- fn test(data: u64);
- }
- }
-
- fn main() {}
- ```
- */
-}
-
-mod missing_block_generic_parameter {
- /*!
- ```compile_fail
- #[macro_use]
- extern crate client;
- extern crate substrate_test_client as test_client;
- extern crate sr_primitives as runtime_primitives;
- extern crate substrate_primitives as primitives;
-
- use runtime_primitives::traits::GetNodeBlockType;
- use test_client::runtime::Block;
-
- /// The declaration of the `Runtime` type and the implementation of the `GetNodeBlockType`
- /// trait are done by the `construct_runtime!` macro in a real runtime.
- struct Runtime {}
- impl GetNodeBlockType for Runtime {
- type NodeBlock = Block;
- }
-
- decl_runtime_apis! {
- pub trait Api {
- fn test(data: u64);
- }
- }
-
- impl_runtime_apis! {
- impl self::Api for Runtime {
- fn test(data: u64) {
- unimplemented!()
- }
- }
- }
-
- fn main() {}
- ```
- */
-}
-
-mod missing_path_for_trait {
- /*!
- ```compile_fail
- #[macro_use]
- extern crate client;
- extern crate substrate_test_client as test_client;
- extern crate sr_primitives as runtime_primitives;
- extern crate substrate_primitives as primitives;
-
- use runtime_primitives::traits::GetNodeBlockType;
- use test_client::runtime::Block;
-
- /// The declaration of the `Runtime` type and the implementation of the `GetNodeBlockType`
- /// trait are done by the `construct_runtime!` macro in a real runtime.
- struct Runtime {}
- impl GetNodeBlockType for Runtime {
- type NodeBlock = Block;
- }
-
- decl_runtime_apis! {
- pub trait Api {
- fn test(data: u64);
- }
- }
-
- impl_runtime_apis! {
- impl Api for Runtime {
- fn test(data: u64) {
- unimplemented!()
- }
- }
- }
-
- fn main() {}
- ```
- */
-}
-
-mod empty_impl_runtime_apis_call {
- /*!
- ```compile_fail
- #[macro_use]
- extern crate client;
- extern crate substrate_test_client as test_client;
- extern crate sr_primitives as runtime_primitives;
- extern crate substrate_primitives as primitives;
-
- use runtime_primitives::traits::GetNodeBlockType;
- use test_client::runtime::Block;
-
- /// The declaration of the `Runtime` type and the implementation of the `GetNodeBlockType`
- /// trait are done by the `construct_runtime!` macro in a real runtime.
- struct Runtime {}
- impl GetNodeBlockType for Runtime {
- type NodeBlock = Block;
- }
-
- decl_runtime_apis! {
- pub trait Api {
- fn test(data: u64);
- }
- }
-
- impl_runtime_apis! {}
-
- fn main() {}
- ```
- */
-}
-
-mod type_reference_in_impl_runtime_apis_call {
- /*!
- ```compile_fail
- #[macro_use]
- extern crate client;
- extern crate substrate_test_client as test_client;
- extern crate sr_primitives as runtime_primitives;
- extern crate substrate_primitives as primitives;
-
- use runtime_primitives::traits::GetNodeBlockType;
- use test_client::runtime::Block;
-
- /// The declaration of the `Runtime` type and the implementation of the `GetNodeBlockType`
- /// trait are done by the `construct_runtime!` macro in a real runtime.
- struct Runtime {}
- impl GetNodeBlockType for Runtime {
- type NodeBlock = Block;
- }
-
- decl_runtime_apis! {
- pub trait Api {
- fn test(data: u64);
- }
- }
-
- impl_runtime_apis! {
- impl self::Api for Runtime {
- fn test(data: &u64) {
- unimplemented!()
- }
- }
- }
-
- fn main() {}
- ```
- */
-}
-
-mod impl_incorrect_method_signature {
- /*!
- ```compile_fail
- #[macro_use]
- extern crate client;
- extern crate substrate_test_client as test_client;
- extern crate sr_primitives as runtime_primitives;
- extern crate substrate_primitives as primitives;
-
- use runtime_primitives::traits::GetNodeBlockType;
- use test_client::runtime::Block;
-
- /// The declaration of the `Runtime` type and the implementation of the `GetNodeBlockType`
- /// trait are done by the `construct_runtime!` macro in a real runtime.
- struct Runtime {}
- impl GetNodeBlockType for Runtime {
- type NodeBlock = Block;
- }
-
- decl_runtime_apis! {
- pub trait Api {
- fn test(data: u64);
- }
- }
-
- impl_runtime_apis! {
- impl self::Api for Runtime {
- fn test(data: String) {}
- }
- }
-
- fn main() {}
- ```
- */
-}
-
-mod impl_two_traits_with_same_name {
- /*!
- ```compile_fail
- #[macro_use]
- extern crate client;
- extern crate substrate_test_client as test_client;
- extern crate sr_primitives as runtime_primitives;
- extern crate substrate_primitives as primitives;
-
- use runtime_primitives::traits::GetNodeBlockType;
- use test_client::runtime::Block;
-
- /// The declaration of the `Runtime` type and the implementation of the `GetNodeBlockType`
- /// trait are done by the `construct_runtime!` macro in a real runtime.
- struct Runtime {}
- impl GetNodeBlockType for Runtime {
- type NodeBlock = Block;
- }
-
- decl_runtime_apis! {
- pub trait Api {
- fn test(data: u64);
- }
- }
-
- mod second {
- decl_runtime_apis! {
- pub trait Api {
- fn test2(data: u64);
- }
- }
- }
-
- impl_runtime_apis! {
- impl self::Api for Runtime {
- fn test(data: u64) {}
- }
-
- impl second::Api for Runtime {
- fn test2(data: u64) {}
- }
- }
-
- fn main() {}
- ```
- */
-}
-
-mod changed_at_unknown_version {
- /*!
- ```compile_fail
- #[macro_use]
- extern crate client;
- extern crate substrate_test_client as test_client;
- extern crate sr_primitives as runtime_primitives;
- extern crate substrate_primitives as primitives;
-
- use runtime_primitives::traits::GetNodeBlockType;
- use test_client::runtime::Block;
-
- /// The declaration of the `Runtime` type and the implementation of the `GetNodeBlockType`
- /// trait are done by the `construct_runtime!` macro in a real runtime.
- struct Runtime {}
- impl GetNodeBlockType for Runtime {
- type NodeBlock = Block;
- }
-
- decl_runtime_apis! {
- pub trait Api {
- #[changed_in(2)]
- fn test(data: u64);
- fn test(data: u64);
- }
- }
-
- fn main() {}
- ```
- */
-}
diff --git a/substrate/core/sr-api-macros/src/lib.rs b/substrate/core/sr-api-macros/src/lib.rs
index 72e143eb1a..c5f8941002 100644
--- a/substrate/core/sr-api-macros/src/lib.rs
+++ b/substrate/core/sr-api-macros/src/lib.rs
@@ -24,7 +24,6 @@ use proc_macro::TokenStream;
mod impl_runtime_apis;
mod decl_runtime_apis;
mod utils;
-mod compile_fail_tests;
/// Tags given trait implementations as runtime apis.
///
diff --git a/substrate/core/sr-api-macros/tests/trybuild.rs b/substrate/core/sr-api-macros/tests/trybuild.rs
new file mode 100644
index 0000000000..e04c67737a
--- /dev/null
+++ b/substrate/core/sr-api-macros/tests/trybuild.rs
@@ -0,0 +1,5 @@
+#[test]
+fn ui() {
+ let t = trybuild::TestCases::new();
+ t.compile_fail("tests/ui/*.rs");
+}
diff --git a/substrate/core/sr-api-macros/tests/ui/adding_at_parameter.rs b/substrate/core/sr-api-macros/tests/ui/adding_at_parameter.rs
new file mode 100644
index 0000000000..d4757e256f
--- /dev/null
+++ b/substrate/core/sr-api-macros/tests/ui/adding_at_parameter.rs
@@ -0,0 +1,9 @@
+use client::decl_runtime_apis;
+
+decl_runtime_apis! {
+ pub trait Api {
+ fn test(at: u64);
+ }
+}
+
+fn main() {}
diff --git a/substrate/core/sr-api-macros/tests/ui/adding_at_parameter.stderr b/substrate/core/sr-api-macros/tests/ui/adding_at_parameter.stderr
new file mode 100644
index 0000000000..1c7e07a418
--- /dev/null
+++ b/substrate/core/sr-api-macros/tests/ui/adding_at_parameter.stderr
@@ -0,0 +1,5 @@
+error: `decl_runtime_apis!` adds automatically a parameter `at: &BlockId`. Please rename/remove your parameter.
+ --> $DIR/adding_at_parameter.rs:5:11
+ |
+5 | fn test(at: u64);
+ | ^^
diff --git a/substrate/core/sr-api-macros/tests/ui/adding_self_parameter.rs b/substrate/core/sr-api-macros/tests/ui/adding_self_parameter.rs
new file mode 100644
index 0000000000..fb048211ad
--- /dev/null
+++ b/substrate/core/sr-api-macros/tests/ui/adding_self_parameter.rs
@@ -0,0 +1,9 @@
+use client::decl_runtime_apis;
+
+decl_runtime_apis! {
+ pub trait Api {
+ fn test(&self);
+ }
+}
+
+fn main() {}
diff --git a/substrate/core/sr-api-macros/tests/ui/adding_self_parameter.stderr b/substrate/core/sr-api-macros/tests/ui/adding_self_parameter.stderr
new file mode 100644
index 0000000000..e7249e9f73
--- /dev/null
+++ b/substrate/core/sr-api-macros/tests/ui/adding_self_parameter.stderr
@@ -0,0 +1,5 @@
+error: Self values are not supported.
+ --> $DIR/adding_self_parameter.rs:5:11
+ |
+5 | fn test(&self);
+ | ^
diff --git a/substrate/core/sr-api-macros/tests/ui/changed_in_unknown_version.rs b/substrate/core/sr-api-macros/tests/ui/changed_in_unknown_version.rs
new file mode 100644
index 0000000000..27aa60c624
--- /dev/null
+++ b/substrate/core/sr-api-macros/tests/ui/changed_in_unknown_version.rs
@@ -0,0 +1,20 @@
+use runtime_primitives::traits::GetNodeBlockType;
+use test_client::runtime::Block;
+use client::decl_runtime_apis;
+
+/// The declaration of the `Runtime` type and the implementation of the `GetNodeBlockType`
+/// trait are done by the `construct_runtime!` macro in a real runtime.
+struct Runtime {}
+impl GetNodeBlockType for Runtime {
+ type NodeBlock = Block;
+}
+
+decl_runtime_apis! {
+ pub trait Api {
+ #[changed_in(2)]
+ fn test(data: u64);
+ fn test(data: u64);
+ }
+}
+
+fn main() {}
diff --git a/substrate/core/sr-api-macros/tests/ui/changed_in_unknown_version.stderr b/substrate/core/sr-api-macros/tests/ui/changed_in_unknown_version.stderr
new file mode 100644
index 0000000000..c62befbab3
--- /dev/null
+++ b/substrate/core/sr-api-macros/tests/ui/changed_in_unknown_version.stderr
@@ -0,0 +1,5 @@
+error: `changed_in` version can not be greater than the `api_version`
+ --> $DIR/changed_in_unknown_version.rs:15:3
+ |
+15 | fn test(data: u64);
+ | ^^
diff --git a/substrate/core/sr-api-macros/tests/ui/declaring_old_block.rs b/substrate/core/sr-api-macros/tests/ui/declaring_old_block.rs
new file mode 100644
index 0000000000..6b7f380ef2
--- /dev/null
+++ b/substrate/core/sr-api-macros/tests/ui/declaring_old_block.rs
@@ -0,0 +1,10 @@
+use runtime_primitives::traits::Block as BlockT;
+use client::decl_runtime_apis;
+
+decl_runtime_apis! {
+ pub trait Api {
+ fn test();
+ }
+}
+
+fn main() {}
diff --git a/substrate/core/sr-api-macros/tests/ui/declaring_old_block.stderr b/substrate/core/sr-api-macros/tests/ui/declaring_old_block.stderr
new file mode 100644
index 0000000000..2ab1cc675d
--- /dev/null
+++ b/substrate/core/sr-api-macros/tests/ui/declaring_old_block.stderr
@@ -0,0 +1,19 @@
+error: `Block: BlockT` generic parameter will be added automatically by the `decl_runtime_apis!` macro!
+ --> $DIR/declaring_old_block.rs:5:16
+ |
+5 | pub trait Api {
+ | ^^^^^
+
+error: `Block: BlockT` generic parameter will be added automatically by the `decl_runtime_apis!` macro! If you try to use a different trait than the substrate `Block` trait, please rename it locally.
+ --> $DIR/declaring_old_block.rs:5:23
+ |
+5 | pub trait Api {
+ | ^^^^^^
+
+warning: unused import: `runtime_primitives::traits::Block as BlockT`
+ --> $DIR/declaring_old_block.rs:1:5
+ |
+1 | use runtime_primitives::traits::Block as BlockT;
+ | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
+ |
+ = note: #[warn(unused_imports)] on by default
diff --git a/substrate/core/sr-api-macros/tests/ui/declaring_own_block_with_different_name.rs b/substrate/core/sr-api-macros/tests/ui/declaring_own_block_with_different_name.rs
new file mode 100644
index 0000000000..1371295cc0
--- /dev/null
+++ b/substrate/core/sr-api-macros/tests/ui/declaring_own_block_with_different_name.rs
@@ -0,0 +1,10 @@
+use runtime_primitives::traits::Block as BlockT;
+use client::decl_runtime_apis;
+
+decl_runtime_apis! {
+ pub trait Api {
+ fn test();
+ }
+}
+
+fn main() {}
diff --git a/substrate/core/sr-api-macros/tests/ui/declaring_own_block_with_different_name.stderr b/substrate/core/sr-api-macros/tests/ui/declaring_own_block_with_different_name.stderr
new file mode 100644
index 0000000000..cf5fe0f53f
--- /dev/null
+++ b/substrate/core/sr-api-macros/tests/ui/declaring_own_block_with_different_name.stderr
@@ -0,0 +1,13 @@
+error: `Block: BlockT` generic parameter will be added automatically by the `decl_runtime_apis!` macro! If you try to use a different trait than the substrate `Block` trait, please rename it locally.
+ --> $DIR/declaring_own_block_with_different_name.rs:5:19
+ |
+5 | pub trait Api {
+ | ^^^^^^
+
+warning: unused import: `runtime_primitives::traits::Block as BlockT`
+ --> $DIR/declaring_own_block_with_different_name.rs:1:5
+ |
+1 | use runtime_primitives::traits::Block as BlockT;
+ | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
+ |
+ = note: #[warn(unused_imports)] on by default
diff --git a/substrate/core/sr-api-macros/tests/ui/empty_impl_runtime_apis_call.rs b/substrate/core/sr-api-macros/tests/ui/empty_impl_runtime_apis_call.rs
new file mode 100644
index 0000000000..4cf56bf54b
--- /dev/null
+++ b/substrate/core/sr-api-macros/tests/ui/empty_impl_runtime_apis_call.rs
@@ -0,0 +1,20 @@
+use runtime_primitives::traits::GetNodeBlockType;
+use test_client::runtime::Block;
+use client::{decl_runtime_apis, impl_runtime_apis};
+
+/// The declaration of the `Runtime` type and the implementation of the `GetNodeBlockType`
+/// trait are done by the `construct_runtime!` macro in a real runtime.
+struct Runtime {}
+impl GetNodeBlockType for Runtime {
+ type NodeBlock = Block;
+}
+
+decl_runtime_apis! {
+ pub trait Api {
+ fn test(data: u64);
+ }
+}
+
+impl_runtime_apis! {}
+
+fn main() {}
diff --git a/substrate/core/sr-api-macros/tests/ui/empty_impl_runtime_apis_call.stderr b/substrate/core/sr-api-macros/tests/ui/empty_impl_runtime_apis_call.stderr
new file mode 100644
index 0000000000..61527a3480
--- /dev/null
+++ b/substrate/core/sr-api-macros/tests/ui/empty_impl_runtime_apis_call.stderr
@@ -0,0 +1,5 @@
+error: No api implementation given!
+ --> $DIR/empty_impl_runtime_apis_call.rs:18:1
+ |
+18 | impl_runtime_apis! {}
+ | ^^^^^^^^^^^^^^^^^^^^^
diff --git a/substrate/core/sr-api-macros/tests/ui/impl_incorrect_method_signature.rs b/substrate/core/sr-api-macros/tests/ui/impl_incorrect_method_signature.rs
new file mode 100644
index 0000000000..91ffdd798a
--- /dev/null
+++ b/substrate/core/sr-api-macros/tests/ui/impl_incorrect_method_signature.rs
@@ -0,0 +1,24 @@
+use runtime_primitives::traits::GetNodeBlockType;
+use test_client::runtime::Block;
+use client::{decl_runtime_apis, impl_runtime_apis};
+
+/// The declaration of the `Runtime` type and the implementation of the `GetNodeBlockType`
+/// trait are done by the `construct_runtime!` macro in a real runtime.
+struct Runtime {}
+impl GetNodeBlockType for Runtime {
+ type NodeBlock = Block;
+}
+
+decl_runtime_apis! {
+ pub trait Api {
+ fn test(data: u64);
+ }
+}
+
+impl_runtime_apis! {
+ impl self::Api for Runtime {
+ fn test(data: String) {}
+ }
+}
+
+fn main() {}
diff --git a/substrate/core/sr-api-macros/tests/ui/impl_incorrect_method_signature.stderr b/substrate/core/sr-api-macros/tests/ui/impl_incorrect_method_signature.stderr
new file mode 100644
index 0000000000..6d5d484efe
--- /dev/null
+++ b/substrate/core/sr-api-macros/tests/ui/impl_incorrect_method_signature.stderr
@@ -0,0 +1,13 @@
+error[E0053]: method `test` has an incompatible type for trait
+ --> $DIR/impl_incorrect_method_signature.rs:20:17
+ |
+14 | fn test(data: u64);
+ | --- type in trait
+...
+20 | fn test(data: String) {}
+ | ^^^^^^ expected u64, found struct `std::string::String`
+ |
+ = note: expected type `fn(u64)`
+ found type `fn(std::string::String)`
+
+For more information about this error, try `rustc --explain E0053`.
diff --git a/substrate/core/sr-api-macros/tests/ui/impl_two_traits_with_same_name.rs b/substrate/core/sr-api-macros/tests/ui/impl_two_traits_with_same_name.rs
new file mode 100644
index 0000000000..0871b0ff33
--- /dev/null
+++ b/substrate/core/sr-api-macros/tests/ui/impl_two_traits_with_same_name.rs
@@ -0,0 +1,36 @@
+use runtime_primitives::traits::GetNodeBlockType;
+use test_client::runtime::Block;
+use client::{decl_runtime_apis, impl_runtime_apis};
+
+/// The declaration of the `Runtime` type and the implementation of the `GetNodeBlockType`
+/// trait are done by the `construct_runtime!` macro in a real runtime.
+struct Runtime {}
+impl GetNodeBlockType for Runtime {
+ type NodeBlock = Block;
+}
+
+decl_runtime_apis! {
+ pub trait Api {
+ fn test(data: u64);
+ }
+}
+
+mod second {
+ decl_runtime_apis! {
+ pub trait Api {
+ fn test2(data: u64);
+ }
+ }
+}
+
+impl_runtime_apis! {
+ impl self::Api for Runtime {
+ fn test(data: u64) {}
+ }
+
+ impl second::Api for Runtime {
+ fn test2(data: u64) {}
+ }
+}
+
+fn main() {}
diff --git a/substrate/core/sr-api-macros/tests/ui/impl_two_traits_with_same_name.stderr b/substrate/core/sr-api-macros/tests/ui/impl_two_traits_with_same_name.stderr
new file mode 100644
index 0000000000..355db2864b
--- /dev/null
+++ b/substrate/core/sr-api-macros/tests/ui/impl_two_traits_with_same_name.stderr
@@ -0,0 +1,25 @@
+error: Two traits with the same name detected! The trait name is used to generate its ID. Please rename one trait at the declaration!
+ --> $DIR/impl_two_traits_with_same_name.rs:31:15
+ |
+31 | impl second::Api for Runtime {
+ | ^^^
+
+error: cannot find macro `decl_runtime_apis!` in this scope
+ --> $DIR/impl_two_traits_with_same_name.rs:19:2
+ |
+19 | decl_runtime_apis! {
+ | ^^^^^^^^^^^^^^^^^
+
+error[E0433]: failed to resolve: could not find `runtime_decl_for_Api` in `second`
+ --> $DIR/impl_two_traits_with_same_name.rs:26:1
+ |
+26 | / impl_runtime_apis! {
+27 | | impl self::Api for Runtime {
+28 | | fn test(data: u64) {}
+29 | | }
+... |
+33 | | }
+34 | | }
+ | |_^ could not find `runtime_decl_for_Api` in `second`
+
+For more information about this error, try `rustc --explain E0433`.
diff --git a/substrate/core/sr-api-macros/tests/ui/invalid_api_version.rs b/substrate/core/sr-api-macros/tests/ui/invalid_api_version.rs
new file mode 100644
index 0000000000..b5afa1d699
--- /dev/null
+++ b/substrate/core/sr-api-macros/tests/ui/invalid_api_version.rs
@@ -0,0 +1,10 @@
+use client::decl_runtime_apis;
+
+decl_runtime_apis! {
+ #[api_version]
+ pub trait Api {
+ fn test(data: u64);
+ }
+}
+
+fn main() {}
diff --git a/substrate/core/sr-api-macros/tests/ui/invalid_api_version.stderr b/substrate/core/sr-api-macros/tests/ui/invalid_api_version.stderr
new file mode 100644
index 0000000000..e7d6aa0ed1
--- /dev/null
+++ b/substrate/core/sr-api-macros/tests/ui/invalid_api_version.stderr
@@ -0,0 +1,29 @@
+error: can't qualify macro invocation with `pub`
+ --> $DIR/invalid_api_version.rs:3:1
+ |
+3 | / decl_runtime_apis! {
+4 | | #[api_version]
+5 | | pub trait Api {
+6 | | fn test(data: u64);
+7 | | }
+8 | | }
+ | |_^
+ |
+ = help: try adjusting the macro to put `pub` inside the invocation
+
+error: Unexpected `api_version` attribute. The supported format is `api_version(1)`
+ --> $DIR/invalid_api_version.rs:3:1
+ |
+3 | / decl_runtime_apis! {
+4 | | #[api_version]
+5 | | pub trait Api {
+6 | | fn test(data: u64);
+7 | | }
+8 | | }
+ | |_^
+
+error: Unexpected `api_version` attribute. The supported format is `api_version(1)`
+ --> $DIR/invalid_api_version.rs:4:4
+ |
+4 | #[api_version]
+ | ^^^^^^^^^^^
diff --git a/substrate/core/sr-api-macros/tests/ui/invalid_api_version_2.rs b/substrate/core/sr-api-macros/tests/ui/invalid_api_version_2.rs
new file mode 100644
index 0000000000..7158630793
--- /dev/null
+++ b/substrate/core/sr-api-macros/tests/ui/invalid_api_version_2.rs
@@ -0,0 +1,11 @@
+use client::decl_runtime_apis;
+
+decl_runtime_apis! {
+ #[api_version("1")]
+ pub trait Api {
+ fn test(data: u64);
+ }
+}
+
+fn main() {}
+
diff --git a/substrate/core/sr-api-macros/tests/ui/invalid_api_version_2.stderr b/substrate/core/sr-api-macros/tests/ui/invalid_api_version_2.stderr
new file mode 100644
index 0000000000..3e46efb258
--- /dev/null
+++ b/substrate/core/sr-api-macros/tests/ui/invalid_api_version_2.stderr
@@ -0,0 +1,29 @@
+error: can't qualify macro invocation with `pub`
+ --> $DIR/invalid_api_version_2.rs:3:1
+ |
+3 | / decl_runtime_apis! {
+4 | | #[api_version("1")]
+5 | | pub trait Api {
+6 | | fn test(data: u64);
+7 | | }
+8 | | }
+ | |_^
+ |
+ = help: try adjusting the macro to put `pub` inside the invocation
+
+error: Unexpected `api_version` attribute. The supported format is `api_version(1)`
+ --> $DIR/invalid_api_version_2.rs:3:1
+ |
+3 | / decl_runtime_apis! {
+4 | | #[api_version("1")]
+5 | | pub trait Api {
+6 | | fn test(data: u64);
+7 | | }
+8 | | }
+ | |_^
+
+error: Unexpected `api_version` attribute. The supported format is `api_version(1)`
+ --> $DIR/invalid_api_version_2.rs:4:4
+ |
+4 | #[api_version("1")]
+ | ^^^^^^^^^^^
diff --git a/substrate/core/sr-api-macros/tests/ui/invalid_api_version_3.rs b/substrate/core/sr-api-macros/tests/ui/invalid_api_version_3.rs
new file mode 100644
index 0000000000..6f365b146b
--- /dev/null
+++ b/substrate/core/sr-api-macros/tests/ui/invalid_api_version_3.rs
@@ -0,0 +1,10 @@
+use client::decl_runtime_apis;
+
+decl_runtime_apis! {
+ #[api_version()]
+ pub trait Api {
+ fn test(data: u64);
+ }
+}
+
+fn main() {}
diff --git a/substrate/core/sr-api-macros/tests/ui/invalid_api_version_3.stderr b/substrate/core/sr-api-macros/tests/ui/invalid_api_version_3.stderr
new file mode 100644
index 0000000000..661221f28e
--- /dev/null
+++ b/substrate/core/sr-api-macros/tests/ui/invalid_api_version_3.stderr
@@ -0,0 +1,29 @@
+error: can't qualify macro invocation with `pub`
+ --> $DIR/invalid_api_version_3.rs:3:1
+ |
+3 | / decl_runtime_apis! {
+4 | | #[api_version()]
+5 | | pub trait Api {
+6 | | fn test(data: u64);
+7 | | }
+8 | | }
+ | |_^
+ |
+ = help: try adjusting the macro to put `pub` inside the invocation
+
+error: Unexpected `api_version` attribute. The supported format is `api_version(1)`
+ --> $DIR/invalid_api_version_3.rs:3:1
+ |
+3 | / decl_runtime_apis! {
+4 | | #[api_version()]
+5 | | pub trait Api {
+6 | | fn test(data: u64);
+7 | | }
+8 | | }
+ | |_^
+
+error: Unexpected `api_version` attribute. The supported format is `api_version(1)`
+ --> $DIR/invalid_api_version_3.rs:4:4
+ |
+4 | #[api_version()]
+ | ^^^^^^^^^^^
diff --git a/substrate/core/sr-api-macros/tests/ui/missing_block_generic_parameter.rs b/substrate/core/sr-api-macros/tests/ui/missing_block_generic_parameter.rs
new file mode 100644
index 0000000000..eafe53e23b
--- /dev/null
+++ b/substrate/core/sr-api-macros/tests/ui/missing_block_generic_parameter.rs
@@ -0,0 +1,26 @@
+use runtime_primitives::traits::GetNodeBlockType;
+use test_client::runtime::Block;
+use client::{decl_runtime_apis, impl_runtime_apis};
+
+/// The declaration of the `Runtime` type and the implementation of the `GetNodeBlockType`
+/// trait are done by the `construct_runtime!` macro in a real runtime.
+struct Runtime {}
+impl GetNodeBlockType for Runtime {
+ type NodeBlock = Block;
+}
+
+decl_runtime_apis! {
+ pub trait Api {
+ fn test(data: u64);
+ }
+}
+
+impl_runtime_apis! {
+ impl self::Api for Runtime {
+ fn test(data: u64) {
+ unimplemented!()
+ }
+ }
+}
+
+fn main() {}
diff --git a/substrate/core/sr-api-macros/tests/ui/missing_block_generic_parameter.stderr b/substrate/core/sr-api-macros/tests/ui/missing_block_generic_parameter.stderr
new file mode 100644
index 0000000000..5c8563a8b8
--- /dev/null
+++ b/substrate/core/sr-api-macros/tests/ui/missing_block_generic_parameter.stderr
@@ -0,0 +1,13 @@
+error: Missing `Block` generic parameter.
+ --> $DIR/missing_block_generic_parameter.rs:19:13
+ |
+19 | impl self::Api for Runtime {
+ | ^^^
+
+error[E0107]: wrong number of type arguments: expected 1, found 0
+ --> $DIR/missing_block_generic_parameter.rs:19:7
+ |
+19 | impl self::Api for Runtime {
+ | ^^^^^^^^^ expected 1 type argument
+
+For more information about this error, try `rustc --explain E0107`.
diff --git a/substrate/core/sr-api-macros/tests/ui/missing_path_for_trait.rs b/substrate/core/sr-api-macros/tests/ui/missing_path_for_trait.rs
new file mode 100644
index 0000000000..cbf339e73b
--- /dev/null
+++ b/substrate/core/sr-api-macros/tests/ui/missing_path_for_trait.rs
@@ -0,0 +1,26 @@
+use runtime_primitives::traits::GetNodeBlockType;
+use test_client::runtime::Block;
+use client::{decl_runtime_apis, impl_runtime_apis};
+
+/// The declaration of the `Runtime` type and the implementation of the `GetNodeBlockType`
+/// trait are done by the `construct_runtime!` macro in a real runtime.
+struct Runtime {}
+impl GetNodeBlockType for Runtime {
+ type NodeBlock = Block;
+}
+
+decl_runtime_apis! {
+ pub trait Api {
+ fn test(data: u64);
+ }
+}
+
+impl_runtime_apis! {
+ impl Api for Runtime {
+ fn test(data: u64) {
+ unimplemented!()
+ }
+ }
+}
+
+fn main() {}
diff --git a/substrate/core/sr-api-macros/tests/ui/missing_path_for_trait.stderr b/substrate/core/sr-api-macros/tests/ui/missing_path_for_trait.stderr
new file mode 100644
index 0000000000..4018712e3f
--- /dev/null
+++ b/substrate/core/sr-api-macros/tests/ui/missing_path_for_trait.stderr
@@ -0,0 +1,5 @@
+error: The implemented trait has to be referenced with a path, e.g. `impl client::Core for Runtime`.
+ --> $DIR/missing_path_for_trait.rs:19:7
+ |
+19 | impl Api for Runtime {
+ | ^^^
diff --git a/substrate/core/sr-api-macros/tests/ui/type_reference_in_impl_runtime_apis_call.rs b/substrate/core/sr-api-macros/tests/ui/type_reference_in_impl_runtime_apis_call.rs
new file mode 100644
index 0000000000..014b7bd1e8
--- /dev/null
+++ b/substrate/core/sr-api-macros/tests/ui/type_reference_in_impl_runtime_apis_call.rs
@@ -0,0 +1,26 @@
+use runtime_primitives::traits::GetNodeBlockType;
+use test_client::runtime::Block;
+use client::{decl_runtime_apis, impl_runtime_apis};
+
+/// The declaration of the `Runtime` type and the implementation of the `GetNodeBlockType`
+/// trait are done by the `construct_runtime!` macro in a real runtime.
+struct Runtime {}
+impl GetNodeBlockType for Runtime {
+ type NodeBlock = Block;
+}
+
+decl_runtime_apis! {
+ pub trait Api {
+ fn test(data: u64);
+ }
+}
+
+impl_runtime_apis! {
+ impl self::Api for Runtime {
+ fn test(data: &u64) {
+ unimplemented!()
+ }
+ }
+}
+
+fn main() {}
diff --git a/substrate/core/sr-api-macros/tests/ui/type_reference_in_impl_runtime_apis_call.stderr b/substrate/core/sr-api-macros/tests/ui/type_reference_in_impl_runtime_apis_call.stderr
new file mode 100644
index 0000000000..12ec399972
--- /dev/null
+++ b/substrate/core/sr-api-macros/tests/ui/type_reference_in_impl_runtime_apis_call.stderr
@@ -0,0 +1,13 @@
+error[E0053]: method `test` has an incompatible type for trait
+ --> $DIR/type_reference_in_impl_runtime_apis_call.rs:20:17
+ |
+14 | fn test(data: u64);
+ | --- type in trait
+...
+20 | fn test(data: &u64) {
+ | ^^^^ expected u64, found &u64
+ |
+ = note: expected type `fn(u64)`
+ found type `fn(&u64)`
+
+For more information about this error, try `rustc --explain E0053`.