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-rw-r--r--activerecord/test/cases/comment_test.rb25
1 files changed, 25 insertions, 0 deletions
diff --git a/activerecord/test/cases/comment_test.rb b/activerecord/test/cases/comment_test.rb
index 584e03d196..25e2f20676 100644
--- a/activerecord/test/cases/comment_test.rb
+++ b/activerecord/test/cases/comment_test.rb
@@ -14,6 +14,9 @@ if ActiveRecord::Base.connection.supports_comments?
class BlankComment < ActiveRecord::Base
end
+ class PkCommented < ActiveRecord::Base
+ end
+
setup do
@connection = ActiveRecord::Base.connection
@@ -35,8 +38,13 @@ if ActiveRecord::Base.connection.supports_comments?
t.index :absent_comment
end
+ @connection.create_table("pk_commenteds", comment: "Table comment", id: false, force: true) do |t|
+ t.integer :id, comment: "Primary key comment", primary_key: true
+ end
+
Commented.reset_column_information
BlankComment.reset_column_information
+ PkCommented.reset_column_information
end
teardown do
@@ -44,6 +52,11 @@ if ActiveRecord::Base.connection.supports_comments?
@connection.drop_table "blank_comments", if_exists: true
end
+ def test_default_primary_key_comment
+ column = Commented.columns_hash["id"]
+ assert_nil column.comment
+ end
+
def test_column_created_in_block
column = Commented.columns_hash["name"]
assert_equal :string, column.type
@@ -164,5 +177,17 @@ if ActiveRecord::Base.connection.supports_comments?
column = Commented.columns_hash["name"]
assert_nil column.comment
end
+
+ def test_comment_on_primary_key
+ column = PkCommented.columns_hash["id"]
+ assert_equal "Primary key comment", column.comment
+ assert_equal "Table comment", @connection.table_comment("pk_commenteds")
+ end
+
+ def test_schema_dump_with_primary_key_comment
+ output = dump_table_schema "pk_commenteds"
+ assert_match %r[create_table "pk_commenteds",.*\s+comment: "Table comment"], output
+ assert_no_match %r[create_table "pk_commenteds",.*\s+comment: "Primary key comment"], output
+ end
end
end