ruby test::unit assert总结
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assert(boolean, message="") # 若boolean为真则pass
assert_equal(expected, actual, message=nil)#若expected == actual则pass
assert_not_equal(expected, actual, message="")#若expected != actual则pass
assert_instance_of(klass, object, message="")#若klass == object.class为真则pass
assert_nil(object, message="")#若object.nil?则pass
assert_not_nil(object, message="")#若!object.nil?则pass
assert_kind_of(klass, object, message="")#若object.kind_of?(klass)为真则pass
assert_respond_to(object, method, message="")#若object.respond_to?(method)为真则pass
assert_match(pattern, string, message="")#若string =~ pattern为真则pass
assert_no_match(regexp, string, message="")#若regexp !~ string为真则pass
assert_same(expected, actual, message="")#若actual.equal?(expected) 为真则 pass
assert_not_same(expected, actual, message="")#若!actual.equal?(expected) 为真则 pass
assert_operator(object1, operator, object2, message="")#若object1.send(operator, object2) 为真则 pass
assert_raises(expected_exception_klass, message="")#{ ... }执行块的内容引发异常, 若该异常属于expected_exception_klass类则pass
assert_nothing_raised(*args) { ... }#执行块的内容,若没有引发异常则pass
flunk(message="")通常会失败
assert_throws(expected_symbol, message="") { ... }#执行块的内容,若:expected_symbol被throw了,则pass
assert_nothing_thrown(message="") { ... }#执行块的内容, 若没有发生throw则pass
assert_in_delta(expected_float, actual_float, delta,message="")若(expected_float.to_f - actual_float.to_f).abs <=delta.to_f 为真则 pass,delta必须是正数。
assert_send(send_array, message="")#若send_array[0].__send__(send_array[1], *send_array[2..-1])为真则 pass
assert_block(message="") { ... }#若block的结果为真则 pass
各assertion的最后一个参数message表示测试失败时显示的消息
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