debian-mirror-gitlab/spec/support/matchers/db_schema_matchers.rb

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2019-12-26 22:10:19 +05:30
# frozen_string_literal: true
EXPECTED_SMALLINT_LIMIT = 2
RSpec::Matchers.define :use_smallint_for_enums do |enums|
match do |actual|
@failing_enums = enums.select do |enum|
enum_type = actual.type_for_attribute(enum)
actual_limit = enum_type.send(:subtype).limit
actual_limit != EXPECTED_SMALLINT_LIMIT
end
@failing_enums.empty?
end
failure_message do
<<~FAILURE_MESSAGE
Expected #{actual.name} enums: #{failing_enums.join(', ')} to use the smallint type.
The smallint type is 2 bytes which is more than sufficient for an enum.
Using the smallint type would help us save space in the database.
To fix this, please add `limit: 2` in the migration file, for example:
def change
add_column :ci_job_artifacts, :file_format, :integer, limit: 2
end
FAILURE_MESSAGE
end
def failing_enums
@failing_enums ||= []
end
end