require_relative 'test_helper' class BlobModelTest < ActiveSupport::TestCase setup do blob_data = 'Hello blob world!' @blob = GemTestBlob.new data: blob_data, id: GemTestBlob.id_for('blob_data') end test 'setup' do assert @blob.valid?, @blob.errors end test 'requires an id' do @blob.id = nil assert !@blob.valid? end test 'requires data' do @blob.data = nil assert !@blob.valid? end end