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-rw-r--r--activerecord/test/cases/invertible_migration_test.rb59
1 files changed, 59 insertions, 0 deletions
diff --git a/activerecord/test/cases/invertible_migration_test.rb b/activerecord/test/cases/invertible_migration_test.rb
index d68cc40107..7f67b945f0 100644
--- a/activerecord/test/cases/invertible_migration_test.rb
+++ b/activerecord/test/cases/invertible_migration_test.rb
@@ -103,6 +103,32 @@ module ActiveRecord
end
end
+ class ChangeColumnComment1 < SilentMigration
+ def change
+ create_table("horses") do |t|
+ t.column :name, :string, comment: "Sekitoba"
+ end
+ end
+ end
+
+ class ChangeColumnComment2 < SilentMigration
+ def change
+ change_column_comment :horses, :name, from: "Sekitoba", to: "Diomed"
+ end
+ end
+
+ class ChangeTableComment1 < SilentMigration
+ def change
+ create_table("horses", comment: "Sekitoba")
+ end
+ end
+
+ class ChangeTableComment2 < SilentMigration
+ def change
+ change_table_comment :horses, from: "Sekitoba", to: "Diomed"
+ end
+ end
+
class DisableExtension1 < SilentMigration
def change
enable_extension "hstore"
@@ -290,6 +316,7 @@ module ActiveRecord
def test_migrate_revert_change_column_default
migration1 = ChangeColumnDefault1.new
migration1.migrate(:up)
+ Horse.reset_column_information
assert_equal "Sekitoba", Horse.new.name
migration2 = ChangeColumnDefault2.new
@@ -302,6 +329,38 @@ module ActiveRecord
assert_equal "Sekitoba", Horse.new.name
end
+ if ActiveRecord::Base.connection.supports_comments?
+ def test_migrate_revert_change_column_comment
+ migration1 = ChangeColumnComment1.new
+ migration1.migrate(:up)
+ Horse.reset_column_information
+ assert_equal "Sekitoba", Horse.columns_hash["name"].comment
+
+ migration2 = ChangeColumnComment2.new
+ migration2.migrate(:up)
+ Horse.reset_column_information
+ assert_equal "Diomed", Horse.columns_hash["name"].comment
+
+ migration2.migrate(:down)
+ Horse.reset_column_information
+ assert_equal "Sekitoba", Horse.columns_hash["name"].comment
+ end
+
+ def test_migrate_revert_change_table_comment
+ connection = ActiveRecord::Base.connection
+ migration1 = ChangeTableComment1.new
+ migration1.migrate(:up)
+ assert_equal "Sekitoba", connection.table_comment("horses")
+
+ migration2 = ChangeTableComment2.new
+ migration2.migrate(:up)
+ assert_equal "Diomed", connection.table_comment("horses")
+
+ migration2.migrate(:down)
+ assert_equal "Sekitoba", connection.table_comment("horses")
+ end
+ end
+
if current_adapter?(:PostgreSQLAdapter)
def test_migrate_enable_and_disable_extension
migration1 = InvertibleMigration.new