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Contents
require 'exercise_cases'
class WordyCase < OpenStruct
def test_name
'test_%s' % description.downcase.tr(' ', '_')
end
def workload
[
"question = '#{input}'",
indent(4, assertion),
].join("\n")
end
def skipped
index.zero? ? '# skip' : 'skip'
end
private
def indent(size, lines)
lines.lines.each_with_object('') { |line, obj| obj << ' ' * size + line }
end
def assertion
return error_assertion unless expected
return message_assertion if message
"assert_equal(#{expected}, WordProblem.new(question).answer)"
end
def error_assertion
[
'assert_raises ArgumentError do',
indent(2, 'WordProblem.new(question).answer'),
'end',
].join("\n")
end
def message_assertion
[
'answer = WordProblem.new(question).answer',
"message = \"#{message % '#{answer}'}\"",
"assert_equal(#{expected}, answer, message)",
].join("\n")
end
end
class WordyCase::PreProcessor
class << self
def call(row)
row.merge('message' => message_for(row))
end
private
def message_for(row)
return unless row['input'] == 'What is -3 plus 7 multiplied by -2?'
'You should ignore order of precedence. -3 + 7 * -2 = -8, not %s'
end
end
end
WordyCases = proc do |data|
JSON.parse(data)['cases'].map.with_index do |row, i|
WordyCase.new(WordyCase::PreProcessor.call(row).merge(index: i))
end
end
Version data entries
90 entries across 90 versions & 1 rubygems