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ruby--ruby/test/minitest/test_minitest_spec.rb
ryan 9bec8ef50c Imported minitest 2.6.2 (r6712)
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@33487 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
2011-10-19 20:34:21 +00:00

412 lines
11 KiB
Ruby

######################################################################
# This file is imported from the minitest project.
# DO NOT make modifications in this repo. They _will_ be reverted!
# File a patch instead and assign it to Ryan Davis.
######################################################################
require 'minitest/autorun'
require 'stringio'
class MiniSpecA < MiniTest::Spec; end
class MiniSpecB < MiniTest::Spec; end
class ExampleA; end
class ExampleB < ExampleA; end
describe MiniTest::Spec do
before do
@assertion_count = 4
end
after do
self._assertions.must_equal @assertion_count
end
# TODO: figure out how the hell to write a test for this
# it "will skip if there is no block"
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_silent
must_be_within_delta
must_be_within_epsilon
must_equal
must_include
must_match
must_output
must_raise
must_respond_to
must_send
must_throw)
bad = %w[not raise throw send output be_silent]
expected_wonts = expected_musts.map { |m| m.sub(/^must/, 'wont') }
expected_wonts.reject! { |m| m =~ /wont_#{Regexp.union(*bad)}/ }
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 = 6
(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 = 6
"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 binary operator" do
41.must_be(:<, 42).must_equal true
proc { 42.must_be(:<, 41) }.must_raise MiniTest::Assertion
end
it "needs to verify using any predicate" do
"".must_be(:empty?).must_equal true
proc { "blah".must_be(:empty?) }.must_raise MiniTest::Assertion
end
it "needs to catch an expected exception" do
@assertion_count = 2
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 = 2
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 = 2
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 = 2
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 = 6
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
@assertion_count = 6
"blah".wont_match(/\d+/).must_equal false
proc { "blah".wont_match(/\w+/) }.must_raise MiniTest::Assertion
end
it "needs to verify using any (negative) predicate" do
"blah".wont_be(:empty?).must_equal false
proc { "".wont_be(:empty?) }.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
it "needs to verify output in stdout" do
proc { print "blah" }.must_output("blah").must_equal true
proc {
proc { print "xxx" }.must_output("blah")
}.must_raise MiniTest::Assertion
end
it "needs to verify output in stderr" do
proc { $stderr.print "blah" }.must_output(nil, "blah").must_equal true
proc {
proc { $stderr.print "xxx" }.must_output(nil, "blah")
}.must_raise MiniTest::Assertion
end
it "needs to ensure silence" do
@assertion_count = 5
proc { }.must_be_silent.must_equal true
proc {
proc { print "xxx" }.must_be_silent
}.must_raise MiniTest::Assertion
end
it "needs to be sensible about must_include order" do
@assertion_count = 6
[1, 2, 3].must_include(2).must_equal true
proc { [1, 2, 3].must_include 5 }.must_raise MiniTest::Assertion
end
it "needs to be sensible about wont_include order" do
@assertion_count = 6
[1, 2, 3].wont_include(5).must_equal false
proc { [1, 2, 3].wont_include 2 }.must_raise MiniTest::Assertion
end
end
describe MiniTest::Spec, :let do
i_suck_and_my_tests_are_order_dependent!
def _count
$let_count ||= 0
end
let :count do
$let_count += 1
$let_count
end
it "is evaluated once per example" do
_count.must_equal 0
count.must_equal 1
count.must_equal 1
_count.must_equal 1
end
it "is REALLY evaluated once per example" do
_count.must_equal 1
count.must_equal 2
count.must_equal 2
_count.must_equal 2
end
end
describe MiniTest::Spec, :subject do
attr_reader :subject_evaluation_count
subject do
@subject_evaluation_count ||= 0
@subject_evaluation_count += 1
@subject_evaluation_count
end
it "is evaluated once per example" do
subject.must_equal 1
subject.must_equal 1
subject_evaluation_count.must_equal 1
end
end
class TestMeta < MiniTest::Unit::TestCase
def test_setup
srand 42
MiniTest::Unit::TestCase.reset
end
def util_structure
x = y = z = nil
before_list = []
after_list = []
x = describe "top-level thingy" do
before { before_list << 1 }
after { after_list << 1 }
it "top-level-it" do end
y = describe "inner thingy" do
before { before_list << 2 }
after { after_list << 2 }
it "inner-it" do end
z = describe "very inner thingy" do
before { before_list << 3 }
after { after_list << 3 }
it "inner-it" do end
it {} # ignore me
specify {} # anonymous it
end
end
end
return x, y, z, before_list, after_list
end
def test_register_spec_type
original_types = MiniTest::Spec::TYPES.dup
assert_equal [[//, MiniTest::Spec]], MiniTest::Spec::TYPES
MiniTest::Spec.register_spec_type(/woot/, TestMeta)
p = lambda do |x| true end
MiniTest::Spec.register_spec_type TestMeta, &p
keys = MiniTest::Spec::TYPES.map(&:first)
assert_includes keys, /woot/
assert_includes keys, p
ensure
MiniTest::Spec::TYPES.replace original_types
end
def test_spec_type
original_types = MiniTest::Spec::TYPES.dup
MiniTest::Spec.register_spec_type(/A$/, MiniSpecA)
MiniTest::Spec.register_spec_type MiniSpecB do |desc|
desc.superclass == ExampleA
end
assert_equal MiniSpecA, MiniTest::Spec.spec_type(ExampleA)
assert_equal MiniSpecB, MiniTest::Spec.spec_type(ExampleB)
ensure
MiniTest::Spec::TYPES.replace original_types
end
def test_structure
x, y, z, * = util_structure
assert_equal "top-level thingy", x.to_s
assert_equal "top-level thingy::inner thingy", y.to_s
assert_equal "top-level thingy::inner thingy::very inner thingy", z.to_s
assert_equal "top-level thingy", x.desc
assert_equal "inner thingy", y.desc
assert_equal "very inner thingy", z.desc
top_methods = %w(test_0001_top_level_it)
inner_methods1 = %w(test_0001_inner_it)
inner_methods2 = inner_methods1 +
%w(test_0002_anonymous test_0003_anonymous)
assert_equal top_methods, x.instance_methods(false).sort.map(&:to_s)
assert_equal inner_methods1, y.instance_methods(false).sort.map(&:to_s)
assert_equal inner_methods2, z.instance_methods(false).sort.map(&:to_s)
end
def test_setup_teardown_behavior
_, _, z, before_list, after_list = util_structure
tc = z.new(nil)
tc.run_setup_hooks
tc.run_teardown_hooks
assert_equal [1, 2, 3], before_list
assert_equal [3, 2, 1], after_list
end
def test_children
MiniTest::Spec.children.clear
x = y = z = nil
x = describe "top-level thingy" do
y = describe "first thingy" do end
it "top-level-it" do end
z = describe "second thingy" do end
end
assert_equal [x], MiniTest::Spec.children
assert_equal [y, z], x.children
assert_equal [], y.children
assert_equal [], z.children
end
def test_describe_first_structure
x = y = z = nil
x = describe "top-level thingy" do
y = describe "first thingy" do end
it "top-level-it" do end
z = describe "second thingy" do end
end
assert_equal ['test_0001_top_level_it'],
x.instance_methods.grep(/^test/).map {|o| o.to_s}
assert_equal [], y.instance_methods.grep(/^test/)
assert_equal [], z.instance_methods.grep(/^test/)
end
def test_structure_subclasses
z = nil
x = Class.new MiniTest::Spec do
def xyz; end
end
y = Class.new x do
z = describe("inner") {}
end
assert_respond_to x.new(nil), "xyz"
assert_respond_to y.new(nil), "xyz"
assert_respond_to z.new(nil), "xyz"
end
end