From 02e96d6ab77c8b95676e14c901eb019b74a0b233 Mon Sep 17 00:00:00 2001
From: Mateusz Kowalski <mateusz.kowalski@swmansion.com>
Date: Mon, 14 Oct 2024 11:44:36 +0200
Subject: [PATCH] Add error test for doc diagnostics

---
 extensions/scarb-doc/tests/diagnostics.rs | 137 ++++++++++++++++++++++
 1 file changed, 137 insertions(+)

diff --git a/extensions/scarb-doc/tests/diagnostics.rs b/extensions/scarb-doc/tests/diagnostics.rs
index de0fdebe9..04d040100 100644
--- a/extensions/scarb-doc/tests/diagnostics.rs
+++ b/extensions/scarb-doc/tests/diagnostics.rs
@@ -92,3 +92,140 @@ fn test_diagnostics_not_allowed_warnings() {
         .assert()
         .success();
 }
+
+#[test]
+fn test_diagnostics_error() {
+    let t = TempDir::new().unwrap();
+
+    ProjectBuilder::start()
+        .name("hello_world")
+        .lib_cairo(indoc! {r#"
+            #[starknet::contract]
+            pub(crate) mod DualCaseERC20Mock {
+                use starknet::ContractAddress;
+
+                component!(path: ERC20Component, storage: erc20, event: ERC20Event);
+
+                #[storage]
+                pub struct Storage {
+                    #[substorage(v0)]
+                    pub erc20: ERC20Component::Storage
+                }
+
+                #[event]
+                enum Event {
+                    #[flat]
+                    ERC20Event: ERC20Component::Event
+                }
+            }
+          }
+        "#})
+        .build(&t);
+
+    let snapbox = Scarb::quick_snapbox()
+        .arg("doc")
+        .current_dir(&t)
+        .assert()
+        .failure();
+
+    #[cfg(windows)]
+      snapbox.stdout_matches(indoc! {r#"
+      error: Skipped tokens. Expected: Const/Enum/ExternFunction/ExternType/Function/Impl/InlineMacro/Module/Struct/Trait/TypeAlias/Use or an attribute.
+     --> [..]
+    }
+    ^
+
+    error: Identifier not found.
+     --> [..]
+              ERC20Event: ERC20Component::Event
+                          ^************^
+
+    error: Identifier not found.
+     --> [..]
+              pub erc20: ERC20Component::Storage
+                         ^************^
+
+    error: Type annotations needed. Failed to infer ?0.
+     --> [..]
+          #[storage]
+          ^********^
+
+    error: Invalid drop trait implementation, Trait `core::traits::Drop::<<missing>>` has multiple implementations, in: `hello_world::DualCaseERC20Mock::ContractStateDrop`, `hello_world::DualCaseERC20Mock::StorageStorageBaseDrop`
+     --> [..]
+          #[storage]
+          ^********^
+
+    error: Trait has no implementation in context: core::starknet::event::Event::<hello_world::DualCaseERC20Mock::Event>.
+     --> [..]
+      #[starknet::contract]
+      ^*******************^
+
+    error: Identifier not found.
+     --> [..]
+          component!(path: ERC20Component, storage: erc20, event: ERC20Event);
+                           ^************^
+
+    error: Invalid drop trait implementation, Candidate impl core::starknet::storage::storage_base::FlattenedStorageDrop::<?0> has an unused generic parameter.
+     --> [..]
+          #[storage]
+          ^********^
+
+    error: Invalid copy trait implementation, Candidate impl core::starknet::storage::storage_base::FlattenedStorageCopy::<?0> has an unused generic parameter.
+     --> [..]
+          #[storage]
+          ^********^
+
+    error: Compilation failed.
+      error: process did not exit successfully: exit code: 1
+      "#});
+
+    #[cfg(not(windows))]
+    snapbox.stdout_matches(indoc! {r#"
+    error: Skipped tokens. Expected: Const/Enum/ExternFunction/ExternType/Function/Impl/InlineMacro/Module/Struct/Trait/TypeAlias/Use or an attribute.
+     --> [..]
+    }
+    ^
+
+    error: Identifier not found.
+     --> [..]
+              ERC20Event: ERC20Component::Event
+                          ^************^
+
+    error: Identifier not found.
+     --> [..]
+              pub erc20: ERC20Component::Storage
+                         ^************^
+
+    error: Type annotations needed. Failed to infer ?0.
+     --> [..]
+          #[storage]
+          ^********^
+
+    error: Invalid drop trait implementation, Trait `core::traits::Drop::<<missing>>` has multiple implementations, in: `hello_world::DualCaseERC20Mock::ContractStateDrop`, `hello_world::DualCaseERC20Mock::StorageStorageBaseDrop`
+     --> [..]
+          #[storage]
+          ^********^
+
+    error: Trait has no implementation in context: core::starknet::event::Event::<hello_world::DualCaseERC20Mock::Event>.
+     --> [..]
+      #[starknet::contract]
+      ^*******************^
+
+    error: Identifier not found.
+     --> [..]
+          component!(path: ERC20Component, storage: erc20, event: ERC20Event);
+                           ^************^
+
+    error: Invalid drop trait implementation, Candidate impl core::starknet::storage::storage_base::FlattenedStorageDrop::<?0> has an unused generic parameter.
+     --> [..]
+          #[storage]
+          ^********^
+
+    error: Invalid copy trait implementation, Candidate impl core::starknet::storage::storage_base::FlattenedStorageCopy::<?0> has an unused generic parameter.
+     --> [..]
+          #[storage]
+          ^********^
+
+    error: Compilation failed.
+  "#});
+}