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Move MiniTest::Assertions to Test::Unit::Assertions
This commit is contained in:
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git
2021-09-11 08:48:44 +09:00
4 changed files with 607 additions and 702 deletions
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@ -26,18 +26,15 @@ module Test
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module CoreAssertions
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require_relative 'envutil'
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if defined?(MiniTest)
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# for ruby core testing
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include MiniTest::Assertions
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else
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unless defined?(MiniTest)
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module MiniTest
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class Assertion < Exception; end
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class Skip < Assertion; end
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end
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end
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require 'pp'
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include Test::Unit::Assertions
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end
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def mu_pp(obj) #:nodoc:
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obj.pretty_inspect.chomp
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@ -733,6 +730,14 @@ eom
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end
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alias all_assertions assert_all_assertions
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def assert_all_assertions_foreach(msg = nil, *keys, &block)
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all = AllFailures.new
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all.foreach(*keys, &block)
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ensure
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assert(all.pass?, message(msg) {all.message.chomp(".")})
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end
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alias all_assertions_foreach assert_all_assertions_foreach
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def message(msg = nil, *args, &default) # :nodoc:
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if Proc === msg
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super(nil, *args) do
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@ -69,690 +69,6 @@ module MiniTest
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backtrace_filter.filter bt
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end
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##
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# MiniTest Assertions. All assertion methods accept a +msg+ which is
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# printed if the assertion fails.
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module Assertions
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##
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# Returns the diff command to use in #diff. Tries to intelligently
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# figure out what diff to use.
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def self.diff
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unless defined? @diff
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exe = RbConfig::CONFIG['EXEEXT']
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@diff = %W"gdiff#{exe} diff#{exe}".find do |diff|
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if system(diff, "-u", __FILE__, __FILE__)
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break "#{diff} -u"
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end
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end
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end
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@diff
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end
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##
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# Set the diff command to use in #diff.
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def self.diff= o
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@diff = o
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end
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##
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# Returns a diff between +exp+ and +act+. If there is no known
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# diff command or if it doesn't make sense to diff the output
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# (single line, short output), then it simply returns a basic
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# comparison between the two.
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def diff exp, act
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require "tempfile"
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expect = mu_pp_for_diff exp
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butwas = mu_pp_for_diff act
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result = nil
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need_to_diff =
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MiniTest::Assertions.diff &&
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(expect.include?("\n") ||
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butwas.include?("\n") ||
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expect.size > 30 ||
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butwas.size > 30 ||
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expect == butwas)
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return "Expected: #{mu_pp exp}\n Actual: #{mu_pp act}" unless
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need_to_diff
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tempfile_a = nil
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tempfile_b = nil
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Tempfile.open("expect") do |a|
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tempfile_a = a
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a.puts expect
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a.flush
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Tempfile.open("butwas") do |b|
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tempfile_b = b
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b.puts butwas
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b.flush
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result = `#{MiniTest::Assertions.diff} #{a.path} #{b.path}`
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result.sub!(/^\-\-\- .+/, "--- expected")
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result.sub!(/^\+\+\+ .+/, "+++ actual")
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if result.empty? then
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klass = exp.class
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result = [
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"No visible difference in the #{klass}#inspect output.\n",
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"You should look at the implementation of #== on ",
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"#{klass} or its members.\n",
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expect,
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].join
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end
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end
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end
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result
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ensure
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tempfile_a.close! if tempfile_a
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tempfile_b.close! if tempfile_b
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end
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##
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# This returns a human-readable version of +obj+. By default
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# #inspect is called. You can override this to use #pretty_print
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# if you want.
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def mu_pp obj
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s = obj.inspect
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s = s.encode Encoding.default_external if defined? Encoding
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s
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end
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##
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# This returns a diff-able human-readable version of +obj+. This
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# differs from the regular mu_pp because it expands escaped
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# newlines and makes hex-values generic (like object_ids). This
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# uses mu_pp to do the first pass and then cleans it up.
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def mu_pp_for_diff obj
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mu_pp(obj).gsub(/(?<!\\)(?:\\\\)*\K\\n/, "\n").gsub(/:0x[a-fA-F0-9]{4,}/m, ':0xXXXXXX')
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end
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def _assertions= n # :nodoc:
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@_assertions = n
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end
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alias assertions= _assertions=
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def _assertions # :nodoc:
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@_assertions ||= 0
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end
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alias assertions _assertions
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##
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# Fails unless +test+ is a true value.
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def assert test, msg = nil
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msg ||= "Failed assertion, no message given."
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self._assertions += 1
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unless test then
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msg = msg.call if Proc === msg
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raise MiniTest::Assertion, msg
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end
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true
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end
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##
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# Fails unless +obj+ is empty.
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def assert_empty obj, msg = nil
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msg = message(msg) { "Expected #{mu_pp(obj)} to be empty" }
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assert_respond_to obj, :empty?
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assert obj.empty?, msg
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end
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##
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# Fails unless <tt>exp == act</tt> printing the difference between
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# the two, if possible.
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#
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# If there is no visible difference but the assertion fails, you
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# should suspect that your #== is buggy, or your inspect output is
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# missing crucial details.
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#
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# For floats use assert_in_delta.
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#
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# See also: MiniTest::Assertions.diff
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def assert_equal exp, act, msg = nil
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msg = message(msg, "") { diff exp, act }
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assert exp == act, msg
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end
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##
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# For comparing Floats. Fails unless +exp+ and +act+ are within +delta+
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# of each other.
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#
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# assert_in_delta Math::PI, (22.0 / 7.0), 0.01
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def assert_in_delta exp, act, delta = 0.001, msg = nil
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n = (exp - act).abs
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msg = message(msg) {
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"Expected |#{exp} - #{act}| (#{n}) to be <= #{delta}"
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}
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assert delta >= n, msg
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end
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##
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# For comparing Floats. Fails unless +exp+ and +act+ have a relative
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# error less than +epsilon+.
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def assert_in_epsilon a, b, epsilon = 0.001, msg = nil
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assert_in_delta a, b, [a.abs, b.abs].min * epsilon, msg
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end
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##
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# Fails unless +collection+ includes +obj+.
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def assert_includes collection, obj, msg = nil
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msg = message(msg) {
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"Expected #{mu_pp(collection)} to include #{mu_pp(obj)}"
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}
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assert_respond_to collection, :include?
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assert collection.include?(obj), msg
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end
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##
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# Fails unless +obj+ is an instance of +cls+.
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def assert_instance_of cls, obj, msg = nil
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msg = message(msg) {
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"Expected #{mu_pp(obj)} to be an instance of #{cls}, not #{obj.class}"
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}
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assert obj.instance_of?(cls), msg
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end
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##
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# Fails unless +obj+ is a kind of +cls+.
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def assert_kind_of cls, obj, msg = nil # TODO: merge with instance_of
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msg = message(msg) {
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"Expected #{mu_pp(obj)} to be a kind of #{cls}, not #{obj.class}" }
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assert obj.kind_of?(cls), msg
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end
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##
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# Fails unless +matcher+ <tt>=~</tt> +obj+.
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def assert_match matcher, obj, msg = nil
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msg = message(msg) { "Expected #{mu_pp matcher} to match #{mu_pp obj}" }
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assert_respond_to matcher, :"=~"
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matcher = Regexp.new Regexp.escape matcher if String === matcher
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assert matcher =~ obj, msg
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end
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##
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# Fails unless +obj+ is nil
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def assert_nil obj, msg = nil
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msg = message(msg) { "Expected #{mu_pp(obj)} to be nil" }
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assert obj.nil?, msg
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end
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##
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# For testing with binary operators.
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#
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# assert_operator 5, :<=, 4
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def assert_operator o1, op, o2 = (predicate = true; nil), msg = nil
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return assert_predicate o1, op, msg if predicate
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msg = message(msg) { "Expected #{mu_pp(o1)} to be #{op} #{mu_pp(o2)}" }
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assert o1.__send__(op, o2), msg
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end
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##
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# Fails if stdout or stderr do not output the expected results.
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# Pass in nil if you don't care about that streams output. Pass in
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# "" if you require it to be silent. Pass in a regexp if you want
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# to pattern match.
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#
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# NOTE: this uses #capture_io, not #capture_subprocess_io.
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#
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# See also: #assert_silent
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def assert_output stdout = nil, stderr = nil
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out, err = capture_io do
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yield
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end
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err_msg = Regexp === stderr ? :assert_match : :assert_equal if stderr
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out_msg = Regexp === stdout ? :assert_match : :assert_equal if stdout
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y = send err_msg, stderr, err, "In stderr" if err_msg
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x = send out_msg, stdout, out, "In stdout" if out_msg
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(!stdout || x) && (!stderr || y)
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end
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##
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# For testing with predicates.
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#
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# assert_predicate str, :empty?
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#
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# This is really meant for specs and is front-ended by assert_operator:
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#
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# str.must_be :empty?
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def assert_predicate o1, op, msg = nil
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msg = message(msg) { "Expected #{mu_pp(o1)} to be #{op}" }
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assert o1.__send__(op), msg
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end
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##
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# Fails unless the block raises one of +exp+. Returns the
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# exception matched so you can check the message, attributes, etc.
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def assert_raises *exp
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msg = "#{exp.pop}.\n" if String === exp.last
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begin
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yield
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rescue MiniTest::Skip => e
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return e if exp.include? MiniTest::Skip
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raise e
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rescue Exception => e
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expected = exp.any? { |ex|
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if ex.instance_of? Module then
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e.kind_of? ex
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else
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e.instance_of? ex
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end
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}
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assert expected, proc {
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exception_details(e, "#{msg}#{mu_pp(exp)} exception expected, not")
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}
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return e
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end
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exp = exp.first if exp.size == 1
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flunk "#{msg}#{mu_pp(exp)} expected but nothing was raised."
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end
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##
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# Fails unless +obj+ responds to +meth+.
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def assert_respond_to obj, meth, msg = nil
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msg = message(msg) {
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"Expected #{mu_pp(obj)} (#{obj.class}) to respond to ##{meth}"
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}
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assert obj.respond_to?(meth), msg
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end
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##
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# Fails unless +exp+ and +act+ are #equal?
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def assert_same exp, act, msg = nil
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msg = message(msg) {
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data = [mu_pp(act), act.object_id, mu_pp(exp), exp.object_id]
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"Expected %s (oid=%d) to be the same as %s (oid=%d)" % data
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}
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assert exp.equal?(act), msg
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end
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##
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# +send_ary+ is a receiver, message and arguments.
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#
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# Fails unless the call returns a true value
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# TODO: I should prolly remove this from specs
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def assert_send send_ary, m = nil
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recv, msg, *args = send_ary
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m = message(m) {
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"Expected #{mu_pp(recv)}.#{msg}(*#{mu_pp(args)}) to return true" }
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assert recv.__send__(msg, *args), m
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end
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##
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# Fails if the block outputs anything to stderr or stdout.
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#
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# See also: #assert_output
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def assert_silent
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assert_output "", "" do
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yield
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end
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end
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##
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# Fails unless the block throws +sym+
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def assert_throws sym, msg = nil
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default = "Expected #{mu_pp(sym)} to have been thrown"
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caught = true
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catch(sym) do
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begin
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yield
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rescue ThreadError => e # wtf?!? 1.8 + threads == suck
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default += ", not \:#{e.message[/uncaught throw \`(\w+?)\'/, 1]}"
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rescue ArgumentError => e # 1.9 exception
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default += ", not #{e.message.split(/ /).last}"
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rescue NameError => e # 1.8 exception
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default += ", not #{e.name.inspect}"
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end
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caught = false
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end
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assert caught, message(msg) { default }
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end
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def assert_path_exists(path, msg = nil)
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msg = message(msg) { "Expected path '#{path}' to exist" }
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assert File.exist?(path), msg
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end
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alias assert_path_exist assert_path_exists
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alias refute_path_not_exist assert_path_exists
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def refute_path_exists(path, msg = nil)
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msg = message(msg) { "Expected path '#{path}' to not exist" }
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refute File.exist?(path), msg
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end
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alias refute_path_exist refute_path_exists
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alias assert_path_not_exist refute_path_exists
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##
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# Captures $stdout and $stderr into strings:
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#
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# out, err = capture_io do
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# puts "Some info"
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# warn "You did a bad thing"
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# end
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#
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# assert_match %r%info%, out
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# assert_match %r%bad%, err
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#
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# NOTE: For efficiency, this method uses StringIO and does not
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# capture IO for subprocesses. Use #capture_subprocess_io for
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# that.
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def capture_io
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require 'stringio'
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captured_stdout, captured_stderr = StringIO.new, StringIO.new
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synchronize do
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orig_stdout, orig_stderr = $stdout, $stderr
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$stdout, $stderr = captured_stdout, captured_stderr
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begin
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yield
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ensure
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$stdout = orig_stdout
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$stderr = orig_stderr
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end
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end
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return captured_stdout.string, captured_stderr.string
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end
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alias capture_output capture_io
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##
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# Captures $stdout and $stderr into strings, using Tempfile to
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# ensure that subprocess IO is captured as well.
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#
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# out, err = capture_subprocess_io do
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# system "echo Some info"
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# system "echo You did a bad thing 1>&2"
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# end
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#
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# assert_match %r%info%, out
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# assert_match %r%bad%, err
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#
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# NOTE: This method is approximately 10x slower than #capture_io so
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# only use it when you need to test the output of a subprocess.
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def capture_subprocess_io
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require 'tempfile'
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captured_stdout, captured_stderr = Tempfile.new("out"), Tempfile.new("err")
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synchronize do
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orig_stdout, orig_stderr = $stdout.dup, $stderr.dup
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$stdout.reopen captured_stdout
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$stderr.reopen captured_stderr
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begin
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yield
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$stdout.rewind
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$stderr.rewind
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[captured_stdout.read, captured_stderr.read]
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ensure
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$stdout.reopen orig_stdout
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$stderr.reopen orig_stderr
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orig_stdout.close
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orig_stderr.close
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captured_stdout.close!
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captured_stderr.close!
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end
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end
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end
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##
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# Returns details for exception +e+
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||||
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def exception_details e, msg
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[
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"#{msg}",
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"Class: <#{e.class}>",
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"Message: <#{e.message.inspect}>",
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"---Backtrace---",
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"#{MiniTest::filter_backtrace(e.backtrace).join("\n")}",
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"---------------",
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].join "\n"
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end
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##
|
||||
# Fails with +msg+
|
||||
|
||||
def flunk msg = nil
|
||||
msg ||= "Epic Fail!"
|
||||
assert false, msg
|
||||
end
|
||||
|
||||
##
|
||||
# Returns a proc that will output +msg+ along with the default message.
|
||||
|
||||
def message msg = nil, ending = ".", &default
|
||||
proc {
|
||||
msg = msg.call.chomp(".") if Proc === msg
|
||||
custom_message = "#{msg}.\n" unless msg.nil? or msg.to_s.empty?
|
||||
"#{custom_message}#{default.call}#{ending}"
|
||||
}
|
||||
end
|
||||
|
||||
##
|
||||
# used for counting assertions
|
||||
|
||||
def pass msg = nil
|
||||
assert true
|
||||
end
|
||||
|
||||
##
|
||||
# Fails if +test+ is a true value
|
||||
|
||||
def refute test, msg = nil
|
||||
msg ||= "Failed refutation, no message given"
|
||||
not assert(! test, msg)
|
||||
end
|
||||
|
||||
##
|
||||
# Fails if +obj+ is empty.
|
||||
|
||||
def refute_empty obj, msg = nil
|
||||
msg = message(msg) { "Expected #{mu_pp(obj)} to not be empty" }
|
||||
assert_respond_to obj, :empty?
|
||||
refute obj.empty?, msg
|
||||
end
|
||||
|
||||
##
|
||||
# Fails if <tt>exp == act</tt>.
|
||||
#
|
||||
# For floats use refute_in_delta.
|
||||
|
||||
def refute_equal exp, act, msg = nil
|
||||
msg = message(msg) {
|
||||
"Expected #{mu_pp(act)} to not be equal to #{mu_pp(exp)}"
|
||||
}
|
||||
refute exp == act, msg
|
||||
end
|
||||
|
||||
##
|
||||
# For comparing Floats. Fails if +exp+ is within +delta+ of +act+.
|
||||
#
|
||||
# refute_in_delta Math::PI, (22.0 / 7.0)
|
||||
|
||||
def refute_in_delta exp, act, delta = 0.001, msg = nil
|
||||
n = (exp - act).abs
|
||||
msg = message(msg) {
|
||||
"Expected |#{exp} - #{act}| (#{n}) to not be <= #{delta}"
|
||||
}
|
||||
refute delta >= n, msg
|
||||
end
|
||||
|
||||
##
|
||||
# For comparing Floats. Fails if +exp+ and +act+ have a relative error
|
||||
# less than +epsilon+.
|
||||
|
||||
def refute_in_epsilon a, b, epsilon = 0.001, msg = nil
|
||||
refute_in_delta a, b, a * epsilon, msg
|
||||
end
|
||||
|
||||
##
|
||||
# Fails if +collection+ includes +obj+.
|
||||
|
||||
def refute_includes collection, obj, msg = nil
|
||||
msg = message(msg) {
|
||||
"Expected #{mu_pp(collection)} to not include #{mu_pp(obj)}"
|
||||
}
|
||||
assert_respond_to collection, :include?
|
||||
refute collection.include?(obj), msg
|
||||
end
|
||||
|
||||
##
|
||||
# Fails if +obj+ is an instance of +cls+.
|
||||
|
||||
def refute_instance_of cls, obj, msg = nil
|
||||
msg = message(msg) {
|
||||
"Expected #{mu_pp(obj)} to not be an instance of #{cls}"
|
||||
}
|
||||
refute obj.instance_of?(cls), msg
|
||||
end
|
||||
|
||||
##
|
||||
# Fails if +obj+ is a kind of +cls+.
|
||||
|
||||
def refute_kind_of cls, obj, msg = nil # TODO: merge with instance_of
|
||||
msg = message(msg) { "Expected #{mu_pp(obj)} to not be a kind of #{cls}" }
|
||||
refute obj.kind_of?(cls), msg
|
||||
end
|
||||
|
||||
##
|
||||
# Fails if +matcher+ <tt>=~</tt> +obj+.
|
||||
|
||||
def refute_match matcher, obj, msg = nil
|
||||
msg = message(msg) {"Expected #{mu_pp matcher} to not match #{mu_pp obj}"}
|
||||
assert_respond_to matcher, :"=~"
|
||||
matcher = Regexp.new Regexp.escape matcher if String === matcher
|
||||
refute matcher =~ obj, msg
|
||||
end
|
||||
|
||||
##
|
||||
# Fails if +obj+ is nil.
|
||||
|
||||
def refute_nil obj, msg = nil
|
||||
msg = message(msg) { "Expected #{mu_pp(obj)} to not be nil" }
|
||||
refute obj.nil?, msg
|
||||
end
|
||||
|
||||
##
|
||||
# Fails if +o1+ is not +op+ +o2+. Eg:
|
||||
#
|
||||
# refute_operator 1, :>, 2 #=> pass
|
||||
# refute_operator 1, :<, 2 #=> fail
|
||||
|
||||
def refute_operator o1, op, o2 = (predicate = true; nil), msg = nil
|
||||
return refute_predicate o1, op, msg if predicate
|
||||
msg = message(msg) { "Expected #{mu_pp(o1)} to not be #{op} #{mu_pp(o2)}"}
|
||||
refute o1.__send__(op, o2), msg
|
||||
end
|
||||
|
||||
##
|
||||
# For testing with predicates.
|
||||
#
|
||||
# refute_predicate str, :empty?
|
||||
#
|
||||
# This is really meant for specs and is front-ended by refute_operator:
|
||||
#
|
||||
# str.wont_be :empty?
|
||||
|
||||
def refute_predicate o1, op, msg = nil
|
||||
msg = message(msg) { "Expected #{mu_pp(o1)} to not be #{op}" }
|
||||
refute o1.__send__(op), msg
|
||||
end
|
||||
|
||||
##
|
||||
# Fails if +obj+ responds to the message +meth+.
|
||||
|
||||
def refute_respond_to obj, meth, msg = nil
|
||||
msg = message(msg) { "Expected #{mu_pp(obj)} to not respond to #{meth}" }
|
||||
|
||||
refute obj.respond_to?(meth), msg
|
||||
end
|
||||
|
||||
##
|
||||
# Fails if +exp+ is the same (by object identity) as +act+.
|
||||
|
||||
def refute_same exp, act, msg = nil
|
||||
msg = message(msg) {
|
||||
data = [mu_pp(act), act.object_id, mu_pp(exp), exp.object_id]
|
||||
"Expected %s (oid=%d) to not be the same as %s (oid=%d)" % data
|
||||
}
|
||||
refute exp.equal?(act), msg
|
||||
end
|
||||
|
||||
##
|
||||
# Skips the current test. Gets listed at the end of the run but
|
||||
# doesn't cause a failure exit code.
|
||||
|
||||
def skip msg = nil, bt = caller
|
||||
msg ||= "Skipped, no message given"
|
||||
@skip = true
|
||||
raise MiniTest::Skip, msg, bt
|
||||
end
|
||||
|
||||
alias omit skip
|
||||
|
||||
##
|
||||
# Was this testcase skipped? Meant for #teardown.
|
||||
|
||||
def skipped?
|
||||
defined?(@skip) and @skip
|
||||
end
|
||||
|
||||
##
|
||||
# Takes a block and wraps it with the runner's shared mutex.
|
||||
|
||||
def synchronize
|
||||
Minitest::Unit.runner.synchronize do
|
||||
yield
|
||||
end
|
||||
end
|
||||
end
|
||||
|
||||
class Unit # :nodoc:
|
||||
VERSION = "4.7.5" # :nodoc:
|
||||
|
||||
|
@ -1469,7 +785,6 @@ module MiniTest
|
|||
|
||||
def teardown; end
|
||||
|
||||
include MiniTest::Assertions
|
||||
end # class TestCase
|
||||
end # class Unit
|
||||
|
||||
|
|
|
@ -6,7 +6,600 @@ require 'pp'
|
|||
module Test
|
||||
module Unit
|
||||
module Assertions
|
||||
include Test::Unit::CoreAssertions
|
||||
|
||||
##
|
||||
# Returns the diff command to use in #diff. Tries to intelligently
|
||||
# figure out what diff to use.
|
||||
|
||||
def self.diff
|
||||
unless defined? @diff
|
||||
exe = RbConfig::CONFIG['EXEEXT']
|
||||
@diff = %W"gdiff#{exe} diff#{exe}".find do |diff|
|
||||
if system(diff, "-u", __FILE__, __FILE__)
|
||||
break "#{diff} -u"
|
||||
end
|
||||
end
|
||||
end
|
||||
|
||||
@diff
|
||||
end
|
||||
|
||||
##
|
||||
# Set the diff command to use in #diff.
|
||||
|
||||
def self.diff= o
|
||||
@diff = o
|
||||
end
|
||||
|
||||
##
|
||||
# Returns a diff between +exp+ and +act+. If there is no known
|
||||
# diff command or if it doesn't make sense to diff the output
|
||||
# (single line, short output), then it simply returns a basic
|
||||
# comparison between the two.
|
||||
|
||||
def diff exp, act
|
||||
require "tempfile"
|
||||
|
||||
expect = mu_pp_for_diff exp
|
||||
butwas = mu_pp_for_diff act
|
||||
result = nil
|
||||
|
||||
need_to_diff =
|
||||
MiniTest::Assertions.diff &&
|
||||
(expect.include?("\n") ||
|
||||
butwas.include?("\n") ||
|
||||
expect.size > 30 ||
|
||||
butwas.size > 30 ||
|
||||
expect == butwas)
|
||||
|
||||
return "Expected: #{mu_pp exp}\n Actual: #{mu_pp act}" unless
|
||||
need_to_diff
|
||||
|
||||
tempfile_a = nil
|
||||
tempfile_b = nil
|
||||
|
||||
Tempfile.open("expect") do |a|
|
||||
tempfile_a = a
|
||||
a.puts expect
|
||||
a.flush
|
||||
|
||||
Tempfile.open("butwas") do |b|
|
||||
tempfile_b = b
|
||||
b.puts butwas
|
||||
b.flush
|
||||
|
||||
result = `#{MiniTest::Assertions.diff} #{a.path} #{b.path}`
|
||||
result.sub!(/^\-\-\- .+/, "--- expected")
|
||||
result.sub!(/^\+\+\+ .+/, "+++ actual")
|
||||
|
||||
if result.empty? then
|
||||
klass = exp.class
|
||||
result = [
|
||||
"No visible difference in the #{klass}#inspect output.\n",
|
||||
"You should look at the implementation of #== on ",
|
||||
"#{klass} or its members.\n",
|
||||
expect,
|
||||
].join
|
||||
end
|
||||
end
|
||||
end
|
||||
|
||||
result
|
||||
ensure
|
||||
tempfile_a.close! if tempfile_a
|
||||
tempfile_b.close! if tempfile_b
|
||||
end
|
||||
|
||||
##
|
||||
# This returns a human-readable version of +obj+. By default
|
||||
# #inspect is called. You can override this to use #pretty_print
|
||||
# if you want.
|
||||
|
||||
def mu_pp obj
|
||||
s = obj.inspect
|
||||
s = s.encode Encoding.default_external if defined? Encoding
|
||||
s
|
||||
end
|
||||
|
||||
##
|
||||
# This returns a diff-able human-readable version of +obj+. This
|
||||
# differs from the regular mu_pp because it expands escaped
|
||||
# newlines and makes hex-values generic (like object_ids). This
|
||||
# uses mu_pp to do the first pass and then cleans it up.
|
||||
|
||||
def mu_pp_for_diff obj
|
||||
mu_pp(obj).gsub(/(?<!\\)(?:\\\\)*\K\\n/, "\n").gsub(/:0x[a-fA-F0-9]{4,}/m, ':0xXXXXXX')
|
||||
end
|
||||
|
||||
##
|
||||
# Fails unless +test+ is a true value.
|
||||
|
||||
def assert test, msg = nil
|
||||
msg ||= "Failed assertion, no message given."
|
||||
self._assertions += 1
|
||||
unless test then
|
||||
msg = msg.call if Proc === msg
|
||||
raise MiniTest::Assertion, msg
|
||||
end
|
||||
true
|
||||
end
|
||||
|
||||
##
|
||||
# Fails unless +obj+ is empty.
|
||||
|
||||
def assert_empty obj, msg = nil
|
||||
msg = message(msg) { "Expected #{mu_pp(obj)} to be empty" }
|
||||
assert_respond_to obj, :empty?
|
||||
assert obj.empty?, msg
|
||||
end
|
||||
|
||||
##
|
||||
# For comparing Floats. Fails unless +exp+ and +act+ are within +delta+
|
||||
# of each other.
|
||||
#
|
||||
# assert_in_delta Math::PI, (22.0 / 7.0), 0.01
|
||||
|
||||
def assert_in_delta exp, act, delta = 0.001, msg = nil
|
||||
n = (exp - act).abs
|
||||
msg = message(msg) {
|
||||
"Expected |#{exp} - #{act}| (#{n}) to be <= #{delta}"
|
||||
}
|
||||
assert delta >= n, msg
|
||||
end
|
||||
|
||||
##
|
||||
# For comparing Floats. Fails unless +exp+ and +act+ have a relative
|
||||
# error less than +epsilon+.
|
||||
|
||||
def assert_in_epsilon a, b, epsilon = 0.001, msg = nil
|
||||
assert_in_delta a, b, [a.abs, b.abs].min * epsilon, msg
|
||||
end
|
||||
|
||||
##
|
||||
# Fails unless +collection+ includes +obj+.
|
||||
|
||||
def assert_includes collection, obj, msg = nil
|
||||
msg = message(msg) {
|
||||
"Expected #{mu_pp(collection)} to include #{mu_pp(obj)}"
|
||||
}
|
||||
assert_respond_to collection, :include?
|
||||
assert collection.include?(obj), msg
|
||||
end
|
||||
|
||||
##
|
||||
# Fails unless +obj+ is an instance of +cls+.
|
||||
|
||||
def assert_instance_of cls, obj, msg = nil
|
||||
msg = message(msg) {
|
||||
"Expected #{mu_pp(obj)} to be an instance of #{cls}, not #{obj.class}"
|
||||
}
|
||||
|
||||
assert obj.instance_of?(cls), msg
|
||||
end
|
||||
|
||||
##
|
||||
# Fails unless +obj+ is a kind of +cls+.
|
||||
|
||||
def assert_kind_of cls, obj, msg = nil # TODO: merge with instance_of
|
||||
msg = message(msg) {
|
||||
"Expected #{mu_pp(obj)} to be a kind of #{cls}, not #{obj.class}" }
|
||||
|
||||
assert obj.kind_of?(cls), msg
|
||||
end
|
||||
|
||||
##
|
||||
# Fails unless +matcher+ <tt>=~</tt> +obj+.
|
||||
|
||||
def assert_match matcher, obj, msg = nil
|
||||
msg = message(msg) { "Expected #{mu_pp matcher} to match #{mu_pp obj}" }
|
||||
assert_respond_to matcher, :"=~"
|
||||
matcher = Regexp.new Regexp.escape matcher if String === matcher
|
||||
assert matcher =~ obj, msg
|
||||
end
|
||||
|
||||
##
|
||||
# Fails unless +obj+ is nil
|
||||
|
||||
def assert_nil obj, msg = nil
|
||||
msg = message(msg) { "Expected #{mu_pp(obj)} to be nil" }
|
||||
assert obj.nil?, msg
|
||||
end
|
||||
|
||||
##
|
||||
# For testing with binary operators.
|
||||
#
|
||||
# assert_operator 5, :<=, 4
|
||||
|
||||
def assert_operator o1, op, o2 = (predicate = true; nil), msg = nil
|
||||
return assert_predicate o1, op, msg if predicate
|
||||
msg = message(msg) { "Expected #{mu_pp(o1)} to be #{op} #{mu_pp(o2)}" }
|
||||
assert o1.__send__(op, o2), msg
|
||||
end
|
||||
|
||||
##
|
||||
# Fails if stdout or stderr do not output the expected results.
|
||||
# Pass in nil if you don't care about that streams output. Pass in
|
||||
# "" if you require it to be silent. Pass in a regexp if you want
|
||||
# to pattern match.
|
||||
#
|
||||
# NOTE: this uses #capture_io, not #capture_subprocess_io.
|
||||
#
|
||||
# See also: #assert_silent
|
||||
|
||||
def assert_output stdout = nil, stderr = nil
|
||||
out, err = capture_io do
|
||||
yield
|
||||
end
|
||||
|
||||
err_msg = Regexp === stderr ? :assert_match : :assert_equal if stderr
|
||||
out_msg = Regexp === stdout ? :assert_match : :assert_equal if stdout
|
||||
|
||||
y = send err_msg, stderr, err, "In stderr" if err_msg
|
||||
x = send out_msg, stdout, out, "In stdout" if out_msg
|
||||
|
||||
(!stdout || x) && (!stderr || y)
|
||||
end
|
||||
|
||||
##
|
||||
# For testing with predicates.
|
||||
#
|
||||
# assert_predicate str, :empty?
|
||||
#
|
||||
# This is really meant for specs and is front-ended by assert_operator:
|
||||
#
|
||||
# str.must_be :empty?
|
||||
|
||||
def assert_predicate o1, op, msg = nil
|
||||
msg = message(msg) { "Expected #{mu_pp(o1)} to be #{op}" }
|
||||
assert o1.__send__(op), msg
|
||||
end
|
||||
|
||||
##
|
||||
# Fails unless +obj+ responds to +meth+.
|
||||
|
||||
def assert_respond_to obj, meth, msg = nil
|
||||
msg = message(msg) {
|
||||
"Expected #{mu_pp(obj)} (#{obj.class}) to respond to ##{meth}"
|
||||
}
|
||||
assert obj.respond_to?(meth), msg
|
||||
end
|
||||
|
||||
##
|
||||
# Fails unless +exp+ and +act+ are #equal?
|
||||
|
||||
def assert_same exp, act, msg = nil
|
||||
msg = message(msg) {
|
||||
data = [mu_pp(act), act.object_id, mu_pp(exp), exp.object_id]
|
||||
"Expected %s (oid=%d) to be the same as %s (oid=%d)" % data
|
||||
}
|
||||
assert exp.equal?(act), msg
|
||||
end
|
||||
|
||||
##
|
||||
# Fails if the block outputs anything to stderr or stdout.
|
||||
#
|
||||
# See also: #assert_output
|
||||
|
||||
def assert_silent
|
||||
assert_output "", "" do
|
||||
yield
|
||||
end
|
||||
end
|
||||
|
||||
##
|
||||
# Fails unless the block throws +sym+
|
||||
|
||||
def assert_throws sym, msg = nil
|
||||
default = "Expected #{mu_pp(sym)} to have been thrown"
|
||||
caught = true
|
||||
catch(sym) do
|
||||
begin
|
||||
yield
|
||||
rescue ThreadError => e # wtf?!? 1.8 + threads == suck
|
||||
default += ", not \:#{e.message[/uncaught throw \`(\w+?)\'/, 1]}"
|
||||
rescue ArgumentError => e # 1.9 exception
|
||||
default += ", not #{e.message.split(/ /).last}"
|
||||
rescue NameError => e # 1.8 exception
|
||||
default += ", not #{e.name.inspect}"
|
||||
end
|
||||
caught = false
|
||||
end
|
||||
|
||||
assert caught, message(msg) { default }
|
||||
end
|
||||
|
||||
def assert_path_exists(path, msg = nil)
|
||||
msg = message(msg) { "Expected path '#{path}' to exist" }
|
||||
assert File.exist?(path), msg
|
||||
end
|
||||
alias assert_path_exist assert_path_exists
|
||||
alias refute_path_not_exist assert_path_exists
|
||||
|
||||
def refute_path_exists(path, msg = nil)
|
||||
msg = message(msg) { "Expected path '#{path}' to not exist" }
|
||||
refute File.exist?(path), msg
|
||||
end
|
||||
alias refute_path_exist refute_path_exists
|
||||
alias assert_path_not_exist refute_path_exists
|
||||
|
||||
##
|
||||
# Captures $stdout and $stderr into strings:
|
||||
#
|
||||
# out, err = capture_io do
|
||||
# puts "Some info"
|
||||
# warn "You did a bad thing"
|
||||
# end
|
||||
#
|
||||
# assert_match %r%info%, out
|
||||
# assert_match %r%bad%, err
|
||||
#
|
||||
# NOTE: For efficiency, this method uses StringIO and does not
|
||||
# capture IO for subprocesses. Use #capture_subprocess_io for
|
||||
# that.
|
||||
|
||||
def capture_io
|
||||
require 'stringio'
|
||||
|
||||
captured_stdout, captured_stderr = StringIO.new, StringIO.new
|
||||
|
||||
synchronize do
|
||||
orig_stdout, orig_stderr = $stdout, $stderr
|
||||
$stdout, $stderr = captured_stdout, captured_stderr
|
||||
|
||||
begin
|
||||
yield
|
||||
ensure
|
||||
$stdout = orig_stdout
|
||||
$stderr = orig_stderr
|
||||
end
|
||||
end
|
||||
|
||||
return captured_stdout.string, captured_stderr.string
|
||||
end
|
||||
alias capture_output capture_io
|
||||
|
||||
##
|
||||
# Captures $stdout and $stderr into strings, using Tempfile to
|
||||
# ensure that subprocess IO is captured as well.
|
||||
#
|
||||
# out, err = capture_subprocess_io do
|
||||
# system "echo Some info"
|
||||
# system "echo You did a bad thing 1>&2"
|
||||
# end
|
||||
#
|
||||
# assert_match %r%info%, out
|
||||
# assert_match %r%bad%, err
|
||||
#
|
||||
# NOTE: This method is approximately 10x slower than #capture_io so
|
||||
# only use it when you need to test the output of a subprocess.
|
||||
|
||||
def capture_subprocess_io
|
||||
require 'tempfile'
|
||||
|
||||
captured_stdout, captured_stderr = Tempfile.new("out"), Tempfile.new("err")
|
||||
|
||||
synchronize do
|
||||
orig_stdout, orig_stderr = $stdout.dup, $stderr.dup
|
||||
$stdout.reopen captured_stdout
|
||||
$stderr.reopen captured_stderr
|
||||
|
||||
begin
|
||||
yield
|
||||
|
||||
$stdout.rewind
|
||||
$stderr.rewind
|
||||
|
||||
[captured_stdout.read, captured_stderr.read]
|
||||
ensure
|
||||
$stdout.reopen orig_stdout
|
||||
$stderr.reopen orig_stderr
|
||||
orig_stdout.close
|
||||
orig_stderr.close
|
||||
captured_stdout.close!
|
||||
captured_stderr.close!
|
||||
end
|
||||
end
|
||||
end
|
||||
|
||||
##
|
||||
# Returns details for exception +e+
|
||||
|
||||
def exception_details e, msg
|
||||
[
|
||||
"#{msg}",
|
||||
"Class: <#{e.class}>",
|
||||
"Message: <#{e.message.inspect}>",
|
||||
"---Backtrace---",
|
||||
"#{MiniTest::filter_backtrace(e.backtrace).join("\n")}",
|
||||
"---------------",
|
||||
].join "\n"
|
||||
end
|
||||
|
||||
##
|
||||
# Fails with +msg+
|
||||
|
||||
def flunk msg = nil
|
||||
msg ||= "Epic Fail!"
|
||||
assert false, msg
|
||||
end
|
||||
|
||||
##
|
||||
# used for counting assertions
|
||||
|
||||
def pass msg = nil
|
||||
assert true
|
||||
end
|
||||
|
||||
##
|
||||
# Fails if +test+ is a true value
|
||||
|
||||
def refute test, msg = nil
|
||||
msg ||= "Failed refutation, no message given"
|
||||
not assert(! test, msg)
|
||||
end
|
||||
|
||||
##
|
||||
# Fails if +obj+ is empty.
|
||||
|
||||
def refute_empty obj, msg = nil
|
||||
msg = message(msg) { "Expected #{mu_pp(obj)} to not be empty" }
|
||||
assert_respond_to obj, :empty?
|
||||
refute obj.empty?, msg
|
||||
end
|
||||
|
||||
##
|
||||
# Fails if <tt>exp == act</tt>.
|
||||
#
|
||||
# For floats use refute_in_delta.
|
||||
|
||||
def refute_equal exp, act, msg = nil
|
||||
msg = message(msg) {
|
||||
"Expected #{mu_pp(act)} to not be equal to #{mu_pp(exp)}"
|
||||
}
|
||||
refute exp == act, msg
|
||||
end
|
||||
|
||||
##
|
||||
# For comparing Floats. Fails if +exp+ is within +delta+ of +act+.
|
||||
#
|
||||
# refute_in_delta Math::PI, (22.0 / 7.0)
|
||||
|
||||
def refute_in_delta exp, act, delta = 0.001, msg = nil
|
||||
n = (exp - act).abs
|
||||
msg = message(msg) {
|
||||
"Expected |#{exp} - #{act}| (#{n}) to not be <= #{delta}"
|
||||
}
|
||||
refute delta >= n, msg
|
||||
end
|
||||
|
||||
##
|
||||
# For comparing Floats. Fails if +exp+ and +act+ have a relative error
|
||||
# less than +epsilon+.
|
||||
|
||||
def refute_in_epsilon a, b, epsilon = 0.001, msg = nil
|
||||
refute_in_delta a, b, a * epsilon, msg
|
||||
end
|
||||
|
||||
##
|
||||
# Fails if +collection+ includes +obj+.
|
||||
|
||||
def refute_includes collection, obj, msg = nil
|
||||
msg = message(msg) {
|
||||
"Expected #{mu_pp(collection)} to not include #{mu_pp(obj)}"
|
||||
}
|
||||
assert_respond_to collection, :include?
|
||||
refute collection.include?(obj), msg
|
||||
end
|
||||
|
||||
##
|
||||
# Fails if +obj+ is an instance of +cls+.
|
||||
|
||||
def refute_instance_of cls, obj, msg = nil
|
||||
msg = message(msg) {
|
||||
"Expected #{mu_pp(obj)} to not be an instance of #{cls}"
|
||||
}
|
||||
refute obj.instance_of?(cls), msg
|
||||
end
|
||||
|
||||
##
|
||||
# Fails if +obj+ is a kind of +cls+.
|
||||
|
||||
def refute_kind_of cls, obj, msg = nil # TODO: merge with instance_of
|
||||
msg = message(msg) { "Expected #{mu_pp(obj)} to not be a kind of #{cls}" }
|
||||
refute obj.kind_of?(cls), msg
|
||||
end
|
||||
|
||||
##
|
||||
# Fails if +matcher+ <tt>=~</tt> +obj+.
|
||||
|
||||
def refute_match matcher, obj, msg = nil
|
||||
msg = message(msg) {"Expected #{mu_pp matcher} to not match #{mu_pp obj}"}
|
||||
assert_respond_to matcher, :"=~"
|
||||
matcher = Regexp.new Regexp.escape matcher if String === matcher
|
||||
refute matcher =~ obj, msg
|
||||
end
|
||||
|
||||
##
|
||||
# Fails if +obj+ is nil.
|
||||
|
||||
def refute_nil obj, msg = nil
|
||||
msg = message(msg) { "Expected #{mu_pp(obj)} to not be nil" }
|
||||
refute obj.nil?, msg
|
||||
end
|
||||
|
||||
##
|
||||
# Fails if +o1+ is not +op+ +o2+. Eg:
|
||||
#
|
||||
# refute_operator 1, :>, 2 #=> pass
|
||||
# refute_operator 1, :<, 2 #=> fail
|
||||
|
||||
def refute_operator o1, op, o2 = (predicate = true; nil), msg = nil
|
||||
return refute_predicate o1, op, msg if predicate
|
||||
msg = message(msg) { "Expected #{mu_pp(o1)} to not be #{op} #{mu_pp(o2)}"}
|
||||
refute o1.__send__(op, o2), msg
|
||||
end
|
||||
|
||||
##
|
||||
# For testing with predicates.
|
||||
#
|
||||
# refute_predicate str, :empty?
|
||||
#
|
||||
# This is really meant for specs and is front-ended by refute_operator:
|
||||
#
|
||||
# str.wont_be :empty?
|
||||
|
||||
def refute_predicate o1, op, msg = nil
|
||||
msg = message(msg) { "Expected #{mu_pp(o1)} to not be #{op}" }
|
||||
refute o1.__send__(op), msg
|
||||
end
|
||||
|
||||
##
|
||||
# Fails if +obj+ responds to the message +meth+.
|
||||
|
||||
def refute_respond_to obj, meth, msg = nil
|
||||
msg = message(msg) { "Expected #{mu_pp(obj)} to not respond to #{meth}" }
|
||||
|
||||
refute obj.respond_to?(meth), msg
|
||||
end
|
||||
|
||||
##
|
||||
# Fails if +exp+ is the same (by object identity) as +act+.
|
||||
|
||||
def refute_same exp, act, msg = nil
|
||||
msg = message(msg) {
|
||||
data = [mu_pp(act), act.object_id, mu_pp(exp), exp.object_id]
|
||||
"Expected %s (oid=%d) to not be the same as %s (oid=%d)" % data
|
||||
}
|
||||
refute exp.equal?(act), msg
|
||||
end
|
||||
|
||||
##
|
||||
# Skips the current test. Gets listed at the end of the run but
|
||||
# doesn't cause a failure exit code.
|
||||
|
||||
def skip msg = nil, bt = caller
|
||||
msg ||= "Skipped, no message given"
|
||||
@skip = true
|
||||
raise MiniTest::Skip, msg, bt
|
||||
end
|
||||
|
||||
alias omit skip
|
||||
|
||||
##
|
||||
# Was this testcase skipped? Meant for #teardown.
|
||||
|
||||
def skipped?
|
||||
defined?(@skip) and @skip
|
||||
end
|
||||
|
||||
##
|
||||
# Takes a block and wraps it with the runner's shared mutex.
|
||||
|
||||
def synchronize
|
||||
Minitest::Unit.runner.synchronize do
|
||||
yield
|
||||
end
|
||||
end
|
||||
|
||||
# :call-seq:
|
||||
# assert_block( failure_message = nil )
|
||||
|
@ -290,14 +883,6 @@ EOT
|
|||
assert(1.0/f == -Float::INFINITY, "#{f} is not -0.0")
|
||||
end
|
||||
|
||||
def assert_all_assertions_foreach(msg = nil, *keys, &block)
|
||||
all = AllFailures.new
|
||||
all.foreach(*keys, &block)
|
||||
ensure
|
||||
assert(all.pass?, message(msg) {all.message.chomp(".")})
|
||||
end
|
||||
alias all_assertions_foreach assert_all_assertions_foreach
|
||||
|
||||
def build_message(head, template=nil, *arguments) #:nodoc:
|
||||
template &&= template.chomp
|
||||
template.gsub(/\G((?:[^\\]|\\.)*?)(\\)?\?/) { $1 + ($2 ? "?" : mu_pp(arguments.shift)) }
|
||||
|
|
|
@ -7,7 +7,7 @@ module Test
|
|||
remove_const(:TestCase) if defined?(self::TestCase)
|
||||
|
||||
class TestCase < MiniTest::Unit::TestCase # :nodoc: all
|
||||
include Assertions
|
||||
include CoreAssertions
|
||||
|
||||
def on_parallel_worker?
|
||||
false
|
||||
|
|
Loading…
Reference in a new issue