Hello all. Thanks to subjects, custom matchers and fluent chaining I was able
to greatly simplify my spec. But now I want to DRY my custom matchers.
I have two custom matchers: 'have_text' and 'have_number' and both contain
exactly the same chains 'on_column' and 'on_columns'.
Is there a way to DRY this up?
module CustomColumnsMatchers
RSpec::Matchers.define(:have_text) do |expected_string|
chain(:on_column) do |colnumber|
@index = colnumber - 1
@width = 1
end
chain(:on_columns) do |range|
a = range.to_a
@index = Range.new( a[0]-1, a[-1]-1 )
@width = a[-1] - a[0] + 1
end
match do |line|
line[@index] == expected_string.ljust(@width)
end
end
RSpec::Matchers.define(:have_number) do |expected_number_string|
chain(:on_column) do |colnumber|
@index = colnumber - 1
@width = 1
end
chain(:on_columns) do |range|
a = range.to_a
@index = Range.new( a[0]-1, a[-1]-1 )
@width = a[-1] - a[0] + 1
end
match do |line|
line[@index] == expected_number_string.rjust(@width,'0')
end
end
end
Regards,
Gustavo Delfino
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