Sha256: 5608435343cabddd215be9f82d9554b6b153c32f0c8ddb88ca3f9c5e083592ad
Contents?: true
Size: 1.44 KB
Versions: 216
Compression:
Stored size: 1.44 KB
Contents
module Generator
class ExerciseCase
module Assertion
# generates assertions of the form
#
# assert whatever
# refute whatever
#
# depending on whether 'expected' is true or false
#
# call as
#
# "#{assert} Luhn.valid?(#{input.inspect})"
#
def assert
canonical.expected ? 'assert' : 'refute'
end
# generates assertions of the form
#
# assert_nil whatever
# assert_equal expected, whatever
#
# depending on whether 'expected' is nil or not
#
# call as
#
# assert_equal { "PigLatin.translate(#{input.inspect})" }
#
def assert_equal
assertion = canonical.expected.nil? ? 'assert_nil' :
"assert_equal #{canonical.expected.inspect},"
"#{assertion} #{yield}"
end
# a helper function, used to build statements such as
#
# if raises_error?
# assert_raises(ArgumentError) { test_case }
# else
# assert_equal { test_case }
# end
#
def raises_error?
canonical.expected.to_i == -1
end
# generates assertions of the form
#
# assert_raises(SomeError) { whatever }
#
# call as
#
# assert_raises(ArgumentError) { test_case }
#
def assert_raises(error)
"assert_raises(#{error}) { #{yield} }"
end
end
end
end
Version data entries
216 entries across 216 versions & 1 rubygems