Fix #3995: Automatically imply *_school_uniform -> school_uniform.

app/models/tag_implication.rb

@@ -28,8 +28,10 @@ class TagImplication < TagRelationship
       end
 
       def automatic_tags_for(names)
-        tags = names.grep(/\A(.+)_\(cosplay\)\Z/) { "char:#{TagAlias.to_aliased([$1]).first}" }
+        tags = []
-        tags << "cosplay" if tags.present?
+        tags += names.grep(/\A(.+)_\(cosplay\)\z/i) { "char:#{TagAlias.to_aliased([$1]).first}" }
+        tags << "cosplay" if names.any?(/_\(cosplay\)\z/i)
+        tags << "school_uniform" if names.any?(/_school_uniform\z/i)
         tags.uniq
       end
     end

test/unit/post_test.rb

@@ -731,9 +731,9 @@ class PostTest < ActiveSupport::TestCase
           end
         end
 
-        context "for a cosplay tag" do
+        context "for a wildcard implication" do
           setup do
-            @post = FactoryBot.create(:post, tag_string: "char:someone_(cosplay)")
+            @post = FactoryBot.create(:post, tag_string: "char:someone_(cosplay) test_school_uniform")
             @tags = @post.tag_array
           end
 
@@ -741,10 +741,15 @@ class PostTest < ActiveSupport::TestCase
             assert(@tags.include?("cosplay"))
           end
 
+          should "add the school_uniform tag" do
+            assert(@tags.include?("school_uniform"))
+          end
+
           should "create the tag" do
             assert(Tag.where(name: "someone_(cosplay)").exists?, "expected 'someone_(cosplay)' tag to be created")
             assert(Tag.where(name: "someone_(cosplay)", category: 4).exists?, "expected 'someone_(cosplay)' tag to be created as character")
             assert(Tag.where(name: "someone", category: 4).exists?, "expected 'someone' tag to be created")
+            assert(Tag.where(name: "school_uniform", category: 0).exists?, "expected 'school_uniform' tag to be created")
           end
 
           should "apply aliases when the character tag is added" do