diff options
| -rw-r--r-- | lib/minitest/mock.rb | 37 | ||||
| -rw-r--r-- | lib/minitest/spec.rb | 88 | ||||
| -rw-r--r-- | lib/minitest/unit.rb | 488 | ||||
| -rw-r--r-- | test/minitest/test_mini_mock.rb | 83 | ||||
| -rw-r--r-- | test/minitest/test_mini_spec.rb | 155 | ||||
| -rw-r--r-- | test/minitest/test_mini_test.rb | 835 |
6 files changed, 1686 insertions, 0 deletions
diff --git a/lib/minitest/mock.rb b/lib/minitest/mock.rb new file mode 100644 index 0000000000..54af28c453 --- /dev/null +++ b/lib/minitest/mock.rb @@ -0,0 +1,37 @@ +############################################################ +# This file is imported from a different project. +# DO NOT make modifications in this repo. +# File a patch instead and assign it to Ryan Davis +############################################################ + +class MockExpectationError < StandardError; end + +module MiniTest + class Mock + def initialize + @expected_calls = {} + @actual_calls = Hash.new {|h,k| h[k] = [] } + end + + def expect(name, retval, args=[]) + n, r, a = name, retval, args # for the closure below + @expected_calls[name] = { :retval => retval, :args => args } + self.class.__send__(:define_method, name) { |*x| + raise ArgumentError unless @expected_calls[n][:args].size == x.size + @actual_calls[n] << { :retval => r, :args => x } + retval + } + self + end + + def verify + @expected_calls.each_key do |name| + expected = @expected_calls[name] + msg = "expected #{name}, #{expected.inspect}" + raise MockExpectationError, msg unless + @actual_calls.has_key? name and @actual_calls[name].include?(expected) + end + true + end + end +end diff --git a/lib/minitest/spec.rb b/lib/minitest/spec.rb new file mode 100644 index 0000000000..130910ed85 --- /dev/null +++ b/lib/minitest/spec.rb @@ -0,0 +1,88 @@ +############################################################ +# This file is imported from a different project. +# DO NOT make modifications in this repo. +# File a patch instead and assign it to Ryan Davis +############################################################ + +#!/usr/bin/ruby -w + +require 'minitest/unit' + +class Module + def infect_with_assertions pos_prefix, neg_prefix, skip_re, map = {} + MiniTest::Assertions.public_instance_methods(false).each do |meth| + meth = meth.to_s + + new_name = case meth + when /^assert/ then + meth.sub(/^assert/, pos_prefix.to_s) + when /^refute/ then + meth.sub(/^refute/, neg_prefix.to_s) + end + next unless new_name + next if new_name =~ skip_re + + regexp, replacement = map.find { |re, _| new_name =~ re } + new_name.sub! regexp, replacement if replacement + + # warn "%-22p -> %p %p" % [meth, new_name, regexp] + self.class_eval <<-EOM + def #{new_name} *args, &block + return MiniTest::Spec.current.#{meth}(*args, &self) if Proc === self + return MiniTest::Spec.current.#{meth}(args.first, self) if args.size == 1 + return MiniTest::Spec.current.#{meth}(self, *args) + end + EOM + end + end +end + +Object.infect_with_assertions(:must, :wont, + /^(must|wont)$|wont_(throw)| + must_(block|not?_|nothing|raise$)/x, + /(must_throw)s/ => '\1', + /(?!not)_same/ => '_be_same_as', + /_in_/ => '_be_within_', + /_operator/ => '_be', + /_includes/ => '_include', + /(must|wont)_(.*_of|nil|empty)/ => '\1_be_\2', + /must_raises/ => 'must_raise') + +class Object + alias :must_be_close_to :must_be_within_delta + alias :wont_be_close_to :wont_be_within_delta +end + +module Kernel + def describe desc, &block + cls = Class.new(MiniTest::Spec) + Object.const_set desc.to_s.split(/\W+/).map { |s| s.capitalize }.join, cls + + cls.class_eval(&block) + end +end + +class MiniTest::Spec < MiniTest::Unit::TestCase + def self.current + @@current_spec + end + + def initialize name + super + @@current_spec = self + end + + def self.before(type = :each, &block) + raise "unsupported before type: #{type}" unless type == :each + define_method :setup, &block + end + + def self.after(type = :each, &block) + raise "unsupported after type: #{type}" unless type == :each + define_method :teardown, &block + end + + def self.it desc, &block + define_method "test_#{desc.gsub(/\W+/, '_').downcase}", &block + end +end diff --git a/lib/minitest/unit.rb b/lib/minitest/unit.rb new file mode 100644 index 0000000000..5ecd79567e --- /dev/null +++ b/lib/minitest/unit.rb @@ -0,0 +1,488 @@ +############################################################ +# This file is imported from a different project. +# DO NOT make modifications in this repo. +# File a patch instead and assign it to Ryan Davis +############################################################ + +## +# +# Totally minimal drop-in replacement for test-unit +# +# TODO: refute -> debunk, prove/rebut, show/deny... lots of possibilities + +module MiniTest + class Assertion < Exception; end + class Skip < Assertion; end + + file = if RUBY_VERSION =~ /^1\.9/ then # bt's expanded, but __FILE__ isn't :( + File.expand_path __FILE__ + elsif __FILE__ =~ /^[^\.]/ then # assume both relative + require 'pathname' + pwd = Pathname.new Dir.pwd + pn = Pathname.new File.expand_path(__FILE__) + pn = File.join(".", pn.relative_path_from(pwd)) unless pn.relative? + pn.to_s + else # assume both are expanded + __FILE__ + end + + # './lib' in project dir, or '/usr/local/blahblah' if installed + MINI_DIR = File.dirname(File.dirname(file)) + + def self.filter_backtrace bt + return ["No backtrace"] unless bt + + new_bt = [] + bt.each do |line| + break if line.rindex(MINI_DIR, 0) + new_bt << line + end + + new_bt = bt.reject { |line| line.rindex(MINI_DIR, 0) } if new_bt.empty? + new_bt = bt.dup if new_bt.empty? + new_bt + end + + module Assertions + def mu_pp(obj) + s = obj.inspect + s = s.force_encoding(Encoding.default_external) if defined? Encoding + s + end + + def _assertions= n + @_assertions = n + end + + def _assertions + @_assertions ||= 0 + end + + 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 + + def assert_block msg = nil + msg = message(msg) { "Expected block to return true value" } + assert yield, msg + end + + def assert_empty obj, msg = nil + msg = message(msg) { "Expected #{obj.inspect} to be empty" } + assert_respond_to obj, :empty? + assert obj.empty?, msg + end + + def assert_equal exp, act, msg = nil + msg = message(msg) { "Expected #{mu_pp(exp)}, not #{mu_pp(act)}" } + assert(exp == act, msg) + end + + 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 + + def assert_in_epsilon a, b, epsilon = 0.001, msg = nil + assert_in_delta a, b, [a, b].min * epsilon, msg + end + + 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 + + def assert_instance_of cls, obj, msg = nil + msg = message(msg) { "Expected #{mu_pp(obj)} to be an instance of #{cls}, not #{obj.class}" } + flip = (Module === obj) && ! (Module === cls) # HACK for specs + obj, cls = cls, obj if flip + assert cls === obj, msg + end + + 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}" } + flip = (Module === obj) && ! (Module === cls) # HACK for specs + obj, cls = cls, obj if flip + assert obj.kind_of?(cls), msg + end + + def assert_match exp, act, msg = nil + msg = message(msg) { "Expected #{mu_pp(act)} to match #{mu_pp(exp)}" } + assert_respond_to act, :"=~" + (exp = /#{exp}/) if String === exp && String === act + assert act =~ exp, msg + end + + def assert_nil obj, msg = nil + msg = message(msg) { "Expected #{mu_pp(obj)} to be nil" } + assert obj.nil?, msg + end + + def assert_operator o1, op, o2, msg = nil + msg = message(msg) { "Expected #{mu_pp(o1)} to be #{op} #{mu_pp(o2)}" } + assert o1.__send__(op, o2), msg + end + + def assert_raises *exp + msg = String === exp.last ? exp.pop : nil + should_raise = false + begin + yield + should_raise = true + rescue Exception => e + assert_includes(exp, e.class, exception_details(e, "<#{mu_pp(exp)}> exception expected, not")) + return e + end + + exp = exp.first if exp.size == 1 + flunk "#{mu_pp(exp)} expected but nothing was raised." if should_raise + end + + def assert_respond_to obj, meth, msg = nil + msg = message(msg) { + "Expected #{mu_pp(obj)} (#{obj.class}) to respond to ##{meth}" + } + flip = (Symbol === obj) && ! (Symbol === meth) # HACK for specs + obj, meth = meth, obj if flip + assert obj.respond_to?(meth), msg + end + + 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 (0x%x) to be the same as %s (0x%x)" % data + } + assert exp.equal?(act), msg + end + + def assert_send send_ary, m = nil + recv, msg, *args = send_ary + m = message(m) { + "Expected #{mu_pp(recv)}.#{msg}(*#{mu_pp(args)}) to return true" } + assert recv.__send__(msg, *args), m + end + + def assert_throws sym, msg = nil + default = "Expected #{mu_pp(sym)} to have been thrown" + caught = true + catch(sym) do + begin + yield + 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 capture_io + require 'stringio' + + orig_stdout, orig_stderr = $stdout.dup, $stderr.dup + captured_stdout, captured_stderr = StringIO.new, StringIO.new + $stdout, $stderr = captured_stdout, captured_stderr + + yield + + return captured_stdout.string, captured_stderr.string + ensure + $stdout = orig_stdout + $stderr = orig_stderr + end + + def exception_details e, msg + "#{msg}\nClass: <#{e.class}>\nMessage: <#{e.message.inspect}>\n---Backtrace---\n#{MiniTest::filter_backtrace(e.backtrace).join("\n")}\n---------------" + end + + def flunk msg = nil + msg ||= "Epic Fail!" + assert false, msg + end + + def message msg = nil, &default + proc { + if msg then + msg = msg.to_s unless String === msg + msg += '.' unless msg.empty? + msg += "\n#{default.call}." + msg.strip + else + "#{default.call}." + end + } + end + + # used for counting assertions + def pass msg = nil + assert true + end + + def refute test, msg = nil + msg ||= "Failed refutation, no message given" + not assert(! test, msg) + end + + def refute_empty obj, msg = nil + msg = message(msg) { "Expected #{obj.inspect} to not be empty" } + assert_respond_to obj, :empty? + refute obj.empty?, msg + end + + 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 + + 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 + + def refute_in_epsilon a, b, epsilon = 0.001, msg = nil + refute_in_delta a, b, a * epsilon, msg + end + + 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 + + def refute_instance_of cls, obj, msg = nil + msg = message(msg) { "Expected #{mu_pp(obj)} to not be an instance of #{cls}" } + flip = (Module === obj) && ! (Module === cls) # HACK for specs + obj, cls = cls, obj if flip + refute cls === obj, msg + end + + 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}" } + flip = (Module === obj) && ! (Module === cls) # HACK for specs + obj, cls = cls, obj if flip + refute obj.kind_of?(cls), msg + end + + def refute_match exp, act, msg = nil + msg = message(msg) { "Expected #{mu_pp(act)} to not match #{mu_pp(exp)}" } + refute act =~ exp, msg + end + + def refute_nil obj, msg = nil + msg = message(msg) { "Expected #{mu_pp(obj)} to not be nil" } + refute obj.nil?, msg + end + + def refute_operator o1, op, o2, msg = nil + msg = message(msg) { "Expected #{mu_pp(o1)} to not be #{op} #{mu_pp(o2)}" } + refute o1.__send__(op, o2), msg + end + + def refute_respond_to obj, meth, msg = nil + msg = message(msg) { "Expected #{mu_pp(obj)} to not respond to #{meth}" } + flip = (Symbol === obj) && ! (Symbol === meth) # HACK for specs + obj, meth = meth, obj if flip + refute obj.respond_to?(meth), msg + end + + def refute_same exp, act, msg = nil + msg = message(msg) { "Expected #{mu_pp(act)} to not be the same as #{mu_pp(exp)}" } + refute exp.equal?(act), msg + end + + def skip msg = nil + msg ||= "Skipped, no message given" + raise MiniTest::Skip, msg + end + end + + class Unit + VERSION = "1.3.0" + + attr_accessor :report, :failures, :errors, :skips + attr_accessor :test_count, :assertion_count + + @@installed_at_exit ||= false + @@out = $stdout + + def self.autorun + at_exit { + exit_code = MiniTest::Unit.new.run(ARGV) + exit false if exit_code && exit_code != 0 + } unless @@installed_at_exit + @@installed_at_exit = true + end + + def self.output= stream + @@out = stream + end + + def location e + e.backtrace.find { |s| + s !~ /in .(assert|refute|flunk|pass|fail|raise)/ + }.sub(/:in .*$/, '') + end + + def puke klass, meth, e + e = case e + when MiniTest::Skip then + @skips += 1 + "Skipped:\n#{meth}(#{klass}) [#{location e}]:\n#{e.message}\n" + when MiniTest::Assertion then + @failures += 1 + "Failure:\n#{meth}(#{klass}) [#{location e}]:\n#{e.message}\n" + else + @errors += 1 + bt = MiniTest::filter_backtrace(e.backtrace).join("\n ") + "Error:\n#{meth}(#{klass}):\n#{e.class}: #{e.message}\n #{bt}\n" + end + @report << e + e[0, 1] + end + + def initialize + @report = [] + @errors = @failures = @skips = 0 + @verbose = false + end + + ## + # Top level driver, controls all output and filtering. + + def run args = [] + @verbose = args.delete('-v') + + filter = if args.first =~ /^(-n|--name)$/ then + args.shift + arg = args.shift + arg =~ /\/(.*)\// ? Regexp.new($1) : arg + else + /./ # anything - ^test_ already filtered by #tests + end + + @@out.puts "Loaded suite #{$0.sub(/\.rb$/, '')}\nStarted" + + start = Time.now + run_test_suites filter + + @@out.puts + @@out.puts "Finished in #{'%.6f' % (Time.now - start)} seconds." + + @report.each_with_index do |msg, i| + @@out.puts "\n%3d) %s" % [i + 1, msg] + end + + @@out.puts + + format = "%d tests, %d assertions, %d failures, %d errors, %d skips" + @@out.puts format % [test_count, assertion_count, failures, errors, skips] + + return failures + errors if @test_count > 0 # or return nil... + end + + def run_test_suites filter = /./ + @test_count, @assertion_count = 0, 0 + old_sync, @@out.sync = @@out.sync, true if @@out.respond_to? :sync= + TestCase.test_suites.each do |suite| + suite.test_methods.grep(filter).each do |test| + inst = suite.new test + inst._assertions = 0 + @@out.print "#{suite}##{test}: " if @verbose + + t = Time.now if @verbose + result = inst.run(self) + + @@out.print "%.2f s: " % (Time.now - t) if @verbose + @@out.print result + @@out.puts if @verbose + @test_count += 1 + @assertion_count += inst._assertions + end + end + @@out.sync = old_sync if @@out.respond_to? :sync= + [@test_count, @assertion_count] + end + + class TestCase + attr_reader :name + + def run runner + result = '.' + begin + @passed = nil + self.setup + self.__send__ self.name + @passed = true + rescue Exception => e + @passed = false + result = runner.puke(self.class, self.name, e) + ensure + begin + self.teardown + rescue Exception => e + result = runner.puke(self.class, self.name, e) + end + end + result + end + + def initialize name + @name = name + @passed = nil + end + + def self.reset + @@test_suites = {} + end + + reset + + def self.inherited klass + @@test_suites[klass] = true + end + + def self.test_order + :random + end + + def self.test_suites + @@test_suites.keys.sort_by { |ts| ts.name } + end + + def self.test_methods + methods = public_instance_methods(true).grep(/^test/).map { |m| + m.to_s + }.sort + + if self.test_order == :random then + max = methods.size + methods = methods.sort_by { rand(max) } + end + + methods + end + + def setup; end + def teardown; end + + def passed? + @passed + end + + include MiniTest::Assertions + end # class TestCase + end # class Test +end # module Mini diff --git a/test/minitest/test_mini_mock.rb b/test/minitest/test_mini_mock.rb new file mode 100644 index 0000000000..0f16ae930e --- /dev/null +++ b/test/minitest/test_mini_mock.rb @@ -0,0 +1,83 @@ +############################################################ +# This file is imported from a different project. +# DO NOT make modifications in this repo. +# File a patch instead and assign it to Ryan Davis +############################################################ + +require 'minitest/mock' +require 'minitest/unit' + +MiniTest::Unit.autorun + +class TestMiniMock < MiniTest::Unit::TestCase + def setup + @mock = MiniTest::Mock.new.expect(:foo, nil) + @mock.expect(:meaning_of_life, 42) + end + + def test_should_create_stub_method + assert_nil @mock.foo + end + + def test_should_allow_return_value_specification + assert_equal 42, @mock.meaning_of_life + end + + def test_should_blow_up_if_not_called + @mock.foo + + util_verify_bad + end + + def test_should_not_blow_up_if_everything_called + @mock.foo + @mock.meaning_of_life + + assert @mock.verify + end + + def test_should_allow_expectations_to_be_added_after_creation + @mock.expect(:bar, true) + assert @mock.bar + end + + def test_should_not_verify_if_new_expected_method_is_not_called + @mock.foo + @mock.meaning_of_life + @mock.expect(:bar, true) + + util_verify_bad + end + + def test_should_not_verify_if_unexpected_method_is_called + assert_raises NoMethodError do + @mock.unexpected + end + end + + def test_should_blow_up_on_wrong_number_of_arguments + @mock.foo + @mock.meaning_of_life + @mock.expect(:sum, 3, [1, 2]) + + assert_raises ArgumentError do + @mock.sum + end + end + + def test_should_blow_up_on_wrong_arguments + @mock.foo + @mock.meaning_of_life + @mock.expect(:sum, 3, [1, 2]) + + @mock.sum(2, 4) + + util_verify_bad + end + + def util_verify_bad + assert_raises MockExpectationError do + @mock.verify + end + end +end diff --git a/test/minitest/test_mini_spec.rb b/test/minitest/test_mini_spec.rb new file mode 100644 index 0000000000..fd7be50dac --- /dev/null +++ b/test/minitest/test_mini_spec.rb @@ -0,0 +1,155 @@ +############################################################ +# This file is imported from a different project. +# DO NOT make modifications in this repo. +# File a patch instead and assign it to Ryan Davis +############################################################ + +require 'minitest/spec' + +MiniTest::Unit.autorun + +describe MiniTest::Spec do + before do + @assertion_count = 5 + end + + after do + self._assertions.must_equal @assertion_count + end + + it "needs to have all methods named well" do + @assertion_count = 2 + + methods = Object.public_instance_methods.find_all { |n| n =~ /^must|^wont/ } + methods.map! { |m| m.to_s } if Symbol === methods.first + + musts, wonts = methods.sort.partition { |m| m =~ /^must/ } + + expected_musts = %w(must_be + must_be_close_to + must_be_empty + must_be_instance_of + must_be_kind_of + must_be_nil + must_be_same_as + must_be_within_delta + must_be_within_epsilon + must_equal + must_include + must_match + must_raise + must_respond_to + must_send + must_throw) + + expected_wonts = expected_musts.map { |m| m.sub(/^must/, 'wont') } + expected_wonts.reject! { |m| m =~ /wont_(not|raise|throw|send)/ } + + musts.must_equal expected_musts + wonts.must_equal expected_wonts + end + + it "needs to verify equality" do + (6 * 7).must_equal(42).must_equal true + proc { (6 * 9).must_equal(42) }.must_raise MiniTest::Assertion + end + + it "needs to verify floats within a delta" do + (6.0 * 7).must_be_close_to(42.0).must_equal true + proc { 42.002.must_be_close_to 42.0 }.must_raise MiniTest::Assertion + end + + it "needs to verify types of objects" do + (6 * 7).must_be_instance_of(Fixnum).must_equal true + proc { (6 * 7).must_be_instance_of String }.must_raise MiniTest::Assertion + end + + it "needs to verify kinds of objects" do + @assertion_count = 7 + + (6 * 7).must_be_kind_of(Fixnum).must_equal true + (6 * 7).must_be_kind_of(Numeric).must_equal true + proc { (6 * 7).must_be_kind_of String }.must_raise MiniTest::Assertion + end + + it "needs to verify regexp matches" do + @assertion_count = 7 + "blah".must_match(/\w+/).must_equal true + proc { "blah".must_match(/\d+/) }.must_raise MiniTest::Assertion + end + + it "needs to verify nil" do + nil.must_be_nil.must_equal true + proc { 42.must_be_nil }.must_raise MiniTest::Assertion + end + + it "needs to verify using any operator" do + 41.must_be(:<, 42).must_equal true + proc { 42.must_be(:<, 41) }.must_raise MiniTest::Assertion + end + + it "needs to catch an expected exception" do + @assertion_count = 4 + + proc { raise "blah" }.must_raise RuntimeError + proc { raise MiniTest::Assertion }.must_raise MiniTest::Assertion + end + + it "needs to catch an unexpected exception" do + @assertion_count = 4 + + proc { + proc { raise MiniTest::Assertion }.must_raise(RuntimeError) + }.must_raise MiniTest::Assertion + end + + it "needs raise if an expected exception is not raised" do + @assertion_count = 3 + + proc { proc { 42 }.must_raise(RuntimeError) }.must_raise MiniTest::Assertion + end + + it "needs to be able to catch a MiniTest::Assertion exception" do + @assertion_count = 3 + + proc { 1.wont_equal 1 }.must_raise MiniTest::Assertion + end + + it "needs to verify using respond_to" do + 42.must_respond_to(:+).must_equal true + proc { 42.must_respond_to(:clear) }.must_raise MiniTest::Assertion + end + + it "needs to verify identity" do + 1.must_be_same_as(1).must_equal true + proc { 1.must_be_same_as 2 }.must_raise MiniTest::Assertion + end + + it "needs to verify throw" do + @assertion_count = 8 + + proc { throw :blah }.must_throw(:blah).must_equal true + proc { proc { }.must_throw(:blah) }.must_raise MiniTest::Assertion + proc { proc { throw :xxx }.must_throw(:blah) }.must_raise MiniTest::Assertion + end + + it "needs to verify inequality" do + 42.wont_equal(6 * 9).must_equal false + proc { 1.wont_equal 1 }.must_raise MiniTest::Assertion + end + + it "needs to verify mismatch" do + "blah".wont_match(/\d+/).must_equal false + proc { "blah".wont_match(/\w+/) }.must_raise MiniTest::Assertion + end + + it "needs to verify non-nil" do + 42.wont_be_nil.must_equal false + proc { nil.wont_be_nil }.must_raise MiniTest::Assertion + end + + it "needs to verify non-identity" do + 1.wont_be_same_as(2).must_equal false + proc { 1.wont_be_same_as 1 }.must_raise MiniTest::Assertion + end +end diff --git a/test/minitest/test_mini_test.rb b/test/minitest/test_mini_test.rb new file mode 100644 index 0000000000..f5a48cb535 --- /dev/null +++ b/test/minitest/test_mini_test.rb @@ -0,0 +1,835 @@ +############################################################ +# This file is imported from a different project. +# DO NOT make modifications in this repo. +# File a patch instead and assign it to Ryan Davis +############################################################ + +require 'stringio' +require 'minitest/unit' + +MiniTest::Unit.autorun + +class TestMiniTest < MiniTest::Unit::TestCase + + def setup + srand 42 + MiniTest::Unit::TestCase.reset + @tu = MiniTest::Unit.new + @output = StringIO.new("") + MiniTest::Unit.output = @output + assert_equal [0, 0], @tu.run_test_suites + end + + def teardown + MiniTest::Unit.output = $stdout + Object.send :remove_const, :ATestCase if defined? ATestCase + end + + BT_MIDDLE = ["./lib/mini/test.rb:165:in `run_test_suites'", + "./lib/mini/test.rb:161:in `each'", + "./lib/mini/test.rb:161:in `run_test_suites'", + "./lib/mini/test.rb:158:in `each'", + "./lib/mini/test.rb:158:in `run_test_suites'", + "./lib/mini/test.rb:139:in `run'", + "./lib/mini/test.rb:106:in `run'"] + + def test_filter_backtrace + # this is a semi-lame mix of relative paths. + # I cheated by making the autotest parts not have ./ + bt = (["lib/autotest.rb:571:in `add_exception'", + "test/test_autotest.rb:62:in `test_add_exception'", + "./lib/mini/test.rb:165:in `__send__'"] + + BT_MIDDLE + + ["./lib/mini/test.rb:29", + "test/test_autotest.rb:422"]) + bt = util_expand_bt bt + + ex = ["lib/autotest.rb:571:in `add_exception'", + "test/test_autotest.rb:62:in `test_add_exception'"] + ex = util_expand_bt ex + + fu = MiniTest::filter_backtrace(bt) + + assert_equal ex, fu + end + + def util_expand_bt bt + if RUBY_VERSION =~ /^1\.9/ then + bt.map { |f| (f =~ /^\./) ? File.expand_path(f) : f } + else + bt + end + end + + def test_filter_backtrace_all_unit + bt = (["./lib/mini/test.rb:165:in `__send__'"] + + BT_MIDDLE + + ["./lib/mini/test.rb:29"]) + ex = bt.clone + fu = MiniTest::filter_backtrace(bt) + assert_equal ex, fu + end + + def test_filter_backtrace_unit_starts + bt = (["./lib/mini/test.rb:165:in `__send__'"] + + BT_MIDDLE + + ["./lib/mini/test.rb:29", + "-e:1"]) + + bt = util_expand_bt bt + + ex = ["-e:1"] + fu = MiniTest::filter_backtrace(bt) + assert_equal ex, fu + end + + def test_class_puke_with_assertion_failed + exception = MiniTest::Assertion.new "Oh no!" + exception.set_backtrace ["unhappy"] + assert_equal 'F', @tu.puke('SomeClass', 'method_name', exception) + assert_equal 1, @tu.failures + assert_match(/^Failure.*Oh no!/m, @tu.report.first) + end + + def test_class_puke_with_failure_and_flunk_in_backtrace + exception = begin + MiniTest::Unit::TestCase.new('fake tc').flunk + rescue MiniTest::Assertion => failure + failure + end + assert_equal 'F', @tu.puke('SomeClass', 'method_name', exception) + refute @tu.report.any?{|line| line =~ /in .flunk/} + end + + def test_class_puke_with_non_failure_exception + exception = Exception.new("Oh no again!") + assert_equal 'E', @tu.puke('SomeClass', 'method_name', exception) + assert_equal 1, @tu.errors + assert_match(/^Exception.*Oh no again!/m, @tu.report.first) + end + + def test_class_run_test_suites + tc = Class.new(MiniTest::Unit::TestCase) do + def test_something + assert true + end + end + + Object.const_set(:ATestCase, tc) + + assert_equal [1, 1], @tu.run_test_suites + end + + def test_run_failing # TODO: add error test + tc = Class.new(MiniTest::Unit::TestCase) do + def test_something + assert true + end + + def test_failure + assert false + end + end + + Object.const_set(:ATestCase, tc) + + @tu.run + + expected = "Loaded suite blah +Started +F. +Finished in 0.00 + + 1) Failure: +test_failure(ATestCase) [FILE:LINE]: +Failed assertion, no message given. + +2 tests, 2 assertions, 1 failures, 0 errors, 0 skips +" + util_assert_report expected + end + + def test_run_error + tc = Class.new(MiniTest::Unit::TestCase) do + def test_something + assert true + end + + def test_error + raise "unhandled exception" + end + end + + Object.const_set(:ATestCase, tc) + + @tu.run + + expected = "Loaded suite blah +Started +E. +Finished in 0.00 + + 1) Error: +test_error(ATestCase): +RuntimeError: unhandled exception + FILE:LINE:in `test_error' + +2 tests, 1 assertions, 0 failures, 1 errors, 0 skips +" + util_assert_report expected + end + + def test_run_error_teardown + tc = Class.new(MiniTest::Unit::TestCase) do + def test_something + assert true + end + + def teardown + raise "unhandled exception" + end + end + + Object.const_set(:ATestCase, tc) + + @tu.run + + expected = "Loaded suite blah +Started +E +Finished in 0.00 + + 1) Error: +test_something(ATestCase): +RuntimeError: unhandled exception + FILE:LINE:in `teardown' + +1 tests, 1 assertions, 0 failures, 1 errors, 0 skips +" + util_assert_report expected + end + + def test_run_skip + tc = Class.new(MiniTest::Unit::TestCase) do + def test_something + assert true + end + + def test_skip + skip "not yet" + end + end + + Object.const_set(:ATestCase, tc) + + @tu.run + + expected = "Loaded suite blah +Started +S. +Finished in 0.00 + + 1) Skipped: +test_skip(ATestCase) [FILE:LINE]: +not yet + +2 tests, 1 assertions, 0 failures, 0 errors, 1 skips +" + util_assert_report expected + end + + def util_assert_report expected = nil + expected ||= "Loaded suite blah +Started +. +Finished in 0.00 + +1 tests, 1 assertions, 0 failures, 0 errors, 0 skips +" + output = @output.string.sub(/Finished in .*/, "Finished in 0.00") + output.sub!(/Loaded suite .*/, 'Loaded suite blah') + output.sub!(/[\w\/\.]+:\d+/, 'FILE:LINE') + assert_equal(expected, output) + end + + def test_run_failing_filtered + tc = Class.new(MiniTest::Unit::TestCase) do + def test_something + assert true + end + + def test_failure + assert false + end + end + + Object.const_set(:ATestCase, tc) + + @tu.run(%w(-n /something/)) + + util_assert_report + end + + def test_run_passing + tc = Class.new(MiniTest::Unit::TestCase) do + def test_something + assert true + end + end + + Object.const_set(:ATestCase, tc) + + @tu.run + + util_assert_report + end +end + +class TestMiniTestTestCase < MiniTest::Unit::TestCase + def setup + MiniTest::Unit::TestCase.reset + + @tc = MiniTest::Unit::TestCase.new 'fake tc' + @zomg = "zomg ponies!" + @assertion_count = 1 + end + + def teardown + assert_equal(@assertion_count, @tc._assertions, + "expected #{@assertion_count} assertions to be fired during the test, not #{@tc._assertions}") if @tc._assertions + Object.send :remove_const, :ATestCase if defined? ATestCase + end + + def test_class_inherited + @assertion_count = 0 + + Object.const_set(:ATestCase, Class.new(MiniTest::Unit::TestCase)) + + assert_equal [ATestCase], MiniTest::Unit::TestCase.test_suites + end + + def test_class_test_suites + @assertion_count = 0 + + Object.const_set(:ATestCase, Class.new(MiniTest::Unit::TestCase)) + + assert_equal 1, MiniTest::Unit::TestCase.test_suites.size + assert_equal [ATestCase], MiniTest::Unit::TestCase.test_suites + end + + def test_class_asserts_match_refutes + @assertion_count = 0 + + methods = MiniTest::Assertions.public_instance_methods + methods.map! { |m| m.to_s } if Symbol === methods.first + + ignores = %w(assert_block assert_no_match assert_not_equal assert_not_nil + assert_not_same assert_nothing_thrown assert_raise + assert_nothing_raised assert_raises assert_throws assert_send) + asserts = methods.grep(/^assert/).sort - ignores + refutes = methods.grep(/^refute/).sort - ignores + + assert_empty refutes.map { |n| n.sub(/^refute/, 'assert') } - asserts + assert_empty asserts.map { |n| n.sub(/^assert/, 'refute') } - refutes + end + + def test_assert + @assertion_count = 2 + + @tc.assert_equal true, @tc.assert(true), "returns true on success" + end + + def test_assert__triggered + util_assert_triggered "Failed assertion, no message given." do + @tc.assert false + end + end + + def test_assert__triggered_message + util_assert_triggered @zomg do + @tc.assert false, @zomg + end + end + + def test_assert_block + @tc.assert_block do + true + end + end + + def test_assert_block_triggered + util_assert_triggered 'Expected block to return true value.' do + @tc.assert_block do + false + end + end + end + + def test_assert_empty + @assertion_count = 2 + + @tc.assert_empty [] + end + + def test_assert_empty_triggered + @assertion_count = 2 + + util_assert_triggered "Expected [1] to be empty." do + @tc.assert_empty [1] + end + end + + def test_assert_equal + @tc.assert_equal 1, 1 + end + + def test_assert_equal_different + util_assert_triggered "Expected 1, not 2." do + @tc.assert_equal 1, 2 + end + end + + def test_assert_in_delta + @tc.assert_in_delta 0.0, 1.0 / 1000, 0.1 + end + + def test_assert_in_delta_triggered + util_assert_triggered 'Expected 0.0 - 0.001 (0.001) to be < 1.0e-06.' do + @tc.assert_in_delta 0.0, 1.0 / 1000, 0.000001 + end + end + + def test_assert_in_epsilon + @assertion_count = 8 + + @tc.assert_in_epsilon 10000, 9991 + @tc.assert_in_epsilon 9991, 10000 + @tc.assert_in_epsilon 1.0, 1.001 + @tc.assert_in_epsilon 1.001, 1.0 + + @tc.assert_in_epsilon 10000, 9999.1, 0.0001 + @tc.assert_in_epsilon 9999.1, 10000, 0.0001 + @tc.assert_in_epsilon 1.0, 1.0001, 0.0001 + @tc.assert_in_epsilon 1.0001, 1.0, 0.0001 + end + + def test_assert_in_epsilon_triggered + util_assert_triggered 'Expected 10000 - 9990 (10) to be < 9.99.' do + @tc.assert_in_epsilon 10000, 9990 + end + end + + def test_assert_includes + @assertion_count = 2 + + @tc.assert_includes [true], true + end + + def test_assert_includes_triggered + @assertion_count = 4 + + e = @tc.assert_raises MiniTest::Assertion do + @tc.assert_includes [true], false + end + + expected = "Expected [true] to include false." + assert_equal expected, e.message + end + + def test_assert_instance_of + @tc.assert_instance_of String, "blah" + end + + def test_assert_instance_of_triggered + util_assert_triggered 'Expected "blah" to be an instance of Array, not String.' do + @tc.assert_instance_of Array, "blah" + end + end + + def test_assert_kind_of + @tc.assert_kind_of String, "blah" + end + + def test_assert_kind_of_triggered + util_assert_triggered 'Expected "blah" to be a kind of Array, not String.' do + @tc.assert_kind_of Array, "blah" + end + end + + def test_assert_match + @assertion_count = 2 + @tc.assert_match "blah blah blah", /\w+/ + end + + def test_assert_match_triggered + @assertion_count = 2 + util_assert_triggered 'Expected /\d+/ to match "blah blah blah".' do + @tc.assert_match "blah blah blah", /\d+/ + end + end + + def test_assert_nil + @tc.assert_nil nil + end + + def test_assert_nil_triggered + util_assert_triggered 'Expected 42 to be nil.' do + @tc.assert_nil 42 + end + end + + def test_assert_operator + @tc.assert_operator 2, :>, 1 + end + + def test_assert_operator_triggered + util_assert_triggered "Expected 2 to be < 1." do + @tc.assert_operator 2, :<, 1 + end + end + + def test_assert_raises + @assertion_count = 2 + + @tc.assert_raises RuntimeError do + raise "blah" + end + end + + def test_assert_raises_triggered_different + @assertion_count = 2 + + e = assert_raises MiniTest::Assertion do + @tc.assert_raises RuntimeError do + raise SyntaxError, "icky" + end + end + + expected = "<[RuntimeError]> exception expected, not +Class: <SyntaxError> +Message: <\"icky\"> +---Backtrace--- +FILE:LINE:in `test_assert_raises_triggered_different' +---------------. +Expected [RuntimeError] to include SyntaxError." + + assert_equal expected, expected.gsub(/[\w\/\.]+:\d+/, 'FILE:LINE') + end + + def test_assert_raises_triggered_none + e = assert_raises MiniTest::Assertion do + @tc.assert_raises MiniTest::Assertion do + # do nothing + end + end + + expected = "MiniTest::Assertion expected but nothing was raised." + + assert_equal expected, e.message + end + + def test_assert_respond_to + @tc.assert_respond_to "blah", :empty? + end + + def test_assert_respond_to_triggered + util_assert_triggered 'Expected "blah" (String) to respond to #rawr!.' do + @tc.assert_respond_to "blah", :rawr! + end + end + + def test_assert_same + @assertion_count = 3 + + o = "blah" + @tc.assert_same 1, 1 + @tc.assert_same :blah, :blah + @tc.assert_same o, o + end + + def test_assert_same_triggered + @assertion_count = 2 + + util_assert_triggered 'Expected 2 (0xXXX) to be the same as 1 (0xXXX).' do + @tc.assert_same 1, 2 + end + + s1 = "blah" + s2 = "blah" + + util_assert_triggered 'Expected "blah" (0xXXX) to be the same as "blah" (0xXXX).' do + @tc.assert_same s1, s2 + end + end + + def test_assert_send + @tc.assert_send [1, :<, 2] + end + + def test_assert_send_bad + util_assert_triggered "Expected 1.>(*[2]) to return true." do + @tc.assert_send [1, :>, 2] + end + end + + def test_assert_throws + @tc.assert_throws(:blah) do + throw :blah + end + end + + def test_assert_throws_different + util_assert_triggered 'Expected :blah to have been thrown, not :not_blah.' do + @tc.assert_throws(:blah) do + throw :not_blah + end + end + end + + def test_assert_throws_unthrown + util_assert_triggered 'Expected :blah to have been thrown.' do + @tc.assert_throws(:blah) do + # do nothing + end + end + end + + def test_capture_io + @assertion_count = 0 + + out, err = capture_io do + puts 'hi' + warn 'bye!' + end + + assert_equal "hi\n", out + assert_equal "bye!\n", err + end + + def test_flunk + util_assert_triggered 'Epic Fail!' do + @tc.flunk + end + end + + def test_flunk_message + util_assert_triggered @zomg do + @tc.flunk @zomg + end + end + + def test_message + @assertion_count = 0 + + assert_equal "blah2.", @tc.message { "blah2" }.call + assert_equal "blah2.", @tc.message("") { "blah2" }.call + assert_equal "blah1.\nblah2.", @tc.message("blah1") { "blah2" }.call + end + + def test_pass + @tc.pass + end + + def test_test_methods_sorted + @assertion_count = 0 + + sample_test_case = Class.new(MiniTest::Unit::TestCase) + + class << sample_test_case + def test_order; :sorted end + end + + sample_test_case.instance_eval do + define_method :test_test3 do assert "does not matter" end + define_method :test_test2 do assert "does not matter" end + define_method :test_test1 do assert "does not matter" end + end + + expected = %w(test_test1 test_test2 test_test3) + assert_equal expected, sample_test_case.test_methods + end + + def test_test_methods_random + @assertion_count = 0 + + sample_test_case = Class.new(MiniTest::Unit::TestCase) + + class << sample_test_case + def test_order; :random end + end + + sample_test_case.instance_eval do + define_method :test_test1 do assert "does not matter" end + define_method :test_test2 do assert "does not matter" end + define_method :test_test3 do assert "does not matter" end + end + + srand 42 + expected = %w(test_test1 test_test2 test_test3) + max = expected.size + expected = expected.sort_by { rand(max) } + + srand 42 + result = sample_test_case.test_methods + + assert_equal expected, result + end + + def test_refute + @assertion_count = 2 + + @tc.assert_equal false, @tc.refute(false), "returns false on success" + end + + def test_refute_empty + @assertion_count = 2 + + @tc.refute_empty [1] + end + + def test_refute_empty_triggered + @assertion_count = 2 + + util_assert_triggered "Expected [] to not be empty." do + @tc.refute_empty [] + end + end + + def test_refute_equal + @tc.refute_equal "blah", "yay" + end + + def test_refute_equal_triggered + util_assert_triggered 'Expected "blah" to not be equal to "blah".' do + @tc.refute_equal "blah", "blah" + end + end + + def test_refute_in_delta + @tc.refute_in_delta 0.0, 1.0 / 1000, 0.000001 + end + + def test_refute_in_delta_triggered + util_assert_triggered 'Expected 0.0 - 0.001 (0.001) to not be < 0.1.' do + @tc.refute_in_delta 0.0, 1.0 / 1000, 0.1 + end + end + + def test_refute_in_epsilon + @tc.refute_in_epsilon 10000, 9990 + end + + def test_refute_in_epsilon_triggered + util_assert_triggered 'Expected 10000 - 9991 (9) to not be < 10.0.' do + @tc.refute_in_epsilon 10000, 9991 + fail + end + end + + def test_refute_includes + @assertion_count = 2 + + @tc.refute_includes [true], false + end + + def test_refute_includes_triggered + @assertion_count = 4 + + e = @tc.assert_raises MiniTest::Assertion do + @tc.refute_includes [true], true + end + + expected = "Expected [true] to not include true." + assert_equal expected, e.message + end + + def test_refute_instance_of + @tc.refute_instance_of Array, "blah" + end + + def test_refute_instance_of_triggered + util_assert_triggered 'Expected "blah" to not be an instance of String.' do + @tc.refute_instance_of String, "blah" + end + end + + def test_refute_kind_of + @tc.refute_kind_of Array, "blah" + end + + def test_refute_kind_of_triggered + util_assert_triggered 'Expected "blah" to not be a kind of String.' do + @tc.refute_kind_of String, "blah" + end + end + + def test_refute_match + @tc.refute_match "blah blah blah", /\d+/ + end + + def test_refute_match_triggered + util_assert_triggered 'Expected /\w+/ to not match "blah blah blah".' do + @tc.refute_match "blah blah blah", /\w+/ + end + end + + def test_refute_nil + @tc.refute_nil 42 + end + + def test_refute_nil_triggered + util_assert_triggered 'Expected nil to not be nil.' do + @tc.refute_nil nil + end + end + + def test_refute_operator + @tc.refute_operator 2, :<, 1 + end + + def test_refute_operator_triggered + util_assert_triggered "Expected 2 to not be > 1." do + @tc.refute_operator 2, :>, 1 + end + end + + def test_refute_respond_to + @tc.refute_respond_to "blah", :rawr! + end + + def test_refute_respond_to_triggered + util_assert_triggered 'Expected "blah" to not respond to empty?.' do + @tc.refute_respond_to "blah", :empty? + end + end + + def test_refute_same + @tc.refute_same 1, 2 + end + + # TODO: "with id <id>" crap from assertions.rb + def test_refute_same_triggered + util_assert_triggered 'Expected 1 to not be the same as 1.' do + @tc.refute_same 1, 1 + end + end + + def test_skip + @assertion_count = 0 + + util_assert_triggered "haha!", MiniTest::Skip do + @tc.skip "haha!" + end + end + + def util_assert_triggered expected, klass = MiniTest::Assertion + e = assert_raises(klass) do + yield + end + + msg = e.message.sub(/(---Backtrace---).*/m, '\1') + msg.gsub!(/\(0x[0-9a-f]+\)/, '(0xXXX)') + + assert_equal expected, msg + end +end |