Add a compile test to verify that the it's not possible to mix serial…

…ize_as + embed
diesel-rs · Aug 28, 2024 · 456aefc · 456aefc
1 parent 9c68a8a
commit 456aefc
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Showing 3 changed files with 23 additions and 1 deletion.
diff --git a/diesel_compile_tests/Cargo.lock b/diesel_compile_tests/Cargo.lock
diff --git a/diesel_compile_tests/tests/fail/derive/embed_and_serialize_as_cannot_be_mixed.rs b/diesel_compile_tests/tests/fail/derive/embed_and_serialize_as_cannot_be_mixed.rs
@@ -9,7 +9,7 @@ table! {
     }
 }
 
-#[derive(Insertable)]
+#[derive(Insertable, AsChangeset)]
 #[diesel(table_name = users)]
 struct NameAndHairColor<'a> {
     name: &'a str,
@@ -24,4 +24,13 @@ struct User<'a> {
     name_and_hair_color: NameAndHairColor<'a>,
 }
 
+#[derive(AsChangeset)]
+#[diesel(table_name = users)]
+struct UserChangeSet<'a> {
+    id: i32,
+    #[diesel(embed, serialize_as = SomeType)]
+    // to test the compile error, this type doesn't need to exist
+    name_and_hair_color: NameAndHairColor<'a>,
+}
+
 fn main() {}
diff --git a/diesel_compile_tests/tests/fail/derive/embed_and_serialize_as_cannot_be_mixed.stderr b/diesel_compile_tests/tests/fail/derive/embed_and_serialize_as_cannot_be_mixed.stderr
@@ -3,3 +3,9 @@ error: `#[diesel(embed)]` cannot be combined with `#[diesel(serialize_as)]`
    |
 22 |     #[diesel(embed, serialize_as = SomeType)]
    |       ^^^^^^
+
+error: `#[diesel(embed)]` cannot be combined with `#[diesel(serialize_as)]`
+  --> tests/fail/derive/embed_and_serialize_as_cannot_be_mixed.rs:31:7
+   |
+31 |     #[diesel(embed, serialize_as = SomeType)]
+   |       ^^^^^^