module MiniTest::Assertions
Public Instance Methods
assert_count(value, list)
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# File lib/minitest_rails_tools/expectations.rb, line 5 def assert_count(value, list) size = list.size assert_equal value, size, "Expected size to be #{value}, but was #{size}" end
assert_difference(expression, difference = 1, message = nil) { || ... }
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# File lib/minitest_rails_tools/expectations.rb, line 17 def assert_difference(expression, difference = 1, message = nil, &block) expressions = Array.wrap expression exps = expressions.collect do |e| e.respond_to?(:call) ? e : lambda { eval(e, block.binding) } end before = exps.collect(&:call) yield expressions.zip(exps).each_with_index do |(code, e), i| error = "#{code.inspect} didn't change by #{difference}" error = "#{message}.\n#{error}" if message assert_equal(before[i] + difference, e.call, error) end end
assert_same_elements(value, list)
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# File lib/minitest_rails_tools/expectations.rb, line 10 def assert_same_elements(value, list) assert_equal( list.sort, value.sort, "Expected #{list} to have the same elements as #{value}" ) end