Rails 5 Test Prescriptions

Advanced Cucumber

This section could be titled “Things Cucumber lets you do that are probably bad ideas.” Cucumber allows for a lot of flexibility in how steps match with step definitions. By and large, the Cucumber-using community has come to the conclusion that most of these things should be used sparingly, if at all.

Earlier I alluded to the idea that step definitions were regular expressions and not strings. This allows you to have the same step definition apply to multiple strings. More to the point, you can use regular-expression groups to capture those matches. The parts of the string that are in groups are then passed as block variables to the block part of the step definition. This allows you to treat a Cucumber step as a method call ...