1
0
Fork 0
mirror of https://github.com/ruby/ruby.git synced 2022-11-09 12:17:21 -05:00
ruby--ruby/test/minitest/test_minitest_spec.rb
ryan 17dde49326 Imported minitest 3.3.0 (r7676)
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@36747 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
2012-08-21 00:39:57 +00:00

726 lines
19 KiB
Ruby
Raw Blame History

This file contains ambiguous Unicode characters

This file contains Unicode characters that might be confused with other characters. If you think that this is intentional, you can safely ignore this warning. Use the Escape button to reveal them.

# encoding: utf-8
######################################################################
# 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.
######################################################################
# encoding: utf-8
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
def assert_triggered expected = "blah", klass = MiniTest::Assertion
@assertion_count += 2
e = assert_raises(klass) do
yield
end
msg = e.message.sub(/(---Backtrace---).*/m, '\1')
msg.gsub!(/\(oid=[-0-9]+\)/, '(oid=N)')
assert_equal expected, msg
end
before do
@assertion_count = 4
end
after do
self._assertions.must_equal @assertion_count
end
it "needs to be able to catch a MiniTest::Assertion exception" do
@assertion_count = 1
assert_triggered "Expected 1 to not be equal to 1." do
1.wont_equal 1
end
end
it "needs to be sensible about must_include order" do
@assertion_count += 3 # must_include is 2 assertions
[1, 2, 3].must_include(2).must_equal true
assert_triggered "Expected [1, 2, 3] to include 5." do
[1, 2, 3].must_include 5
end
assert_triggered "msg.\nExpected [1, 2, 3] to include 5." do
[1, 2, 3].must_include 5, "msg"
end
end
it "needs to be sensible about wont_include order" do
@assertion_count += 3 # wont_include is 2 assertions
[1, 2, 3].wont_include(5).must_equal false
assert_triggered "Expected [1, 2, 3] to not include 2." do
[1, 2, 3].wont_include 2
end
assert_triggered "msg.\nExpected [1, 2, 3] to not include 2." do
[1, 2, 3].wont_include 2, "msg"
end
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 # no positive
msg = <<-EOM.gsub(/^ {6}/, '').chomp
[RuntimeError] exception expected, not
Class: <MiniTest::Assertion>
Message: <\"MiniTest::Assertion\">
---Backtrace---
EOM
assert_triggered msg do
proc { raise MiniTest::Assertion }.must_raise RuntimeError
end
assert_triggered "msg.\n#{msg}" do
proc { raise MiniTest::Assertion }.must_raise RuntimeError, "msg"
end
end
it "needs to ensure silence" do
@assertion_count -= 1 # no msg
@assertion_count += 2 # assert_output is 2 assertions
proc { }.must_be_silent.must_equal true
assert_triggered "In stdout.\nExpected: \"\"\n Actual: \"xxx\"" do
proc { print "xxx" }.must_be_silent
end
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_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 raise if an expected exception is not raised" do
@assertion_count -= 2 # no positive test
assert_triggered "RuntimeError expected but nothing was raised." do
proc { 42 }.must_raise RuntimeError
end
assert_triggered "msg.\nRuntimeError expected but nothing was raised." do
proc { 42 }.must_raise RuntimeError, "msg"
end
end
it "needs to verify binary messages" do
42.wont_be(:<, 24).must_equal false
assert_triggered 'Expected 24 to not be < 42.' do
24.wont_be :<, 42
end
assert_triggered "msg.\nExpected 24 to not be < 42." do
24.wont_be :<, 42, "msg"
end
end
it "needs to verify emptyness" do
@assertion_count += 3 # empty is 2 assertions
[].must_be_empty.must_equal true
assert_triggered "Expected [42] to be empty." do
[42].must_be_empty
end
assert_triggered "msg.\nExpected [42] to be empty." do
[42].must_be_empty "msg"
end
end
it "needs to verify equality" do
(6 * 7).must_equal(42).must_equal true
assert_triggered "Expected: 42\n Actual: 54" do
(6 * 9).must_equal 42
end
assert_triggered "msg.\nExpected: 42\n Actual: 54" do
(6 * 9).must_equal 42, "msg"
end
end
it "needs to verify floats outside a delta" do
@assertion_count += 1 # extra test
24.wont_be_close_to(42).must_equal false
assert_triggered 'Expected |42 - 42.0| (0.0) to not be < 0.001.' do
(6 * 7.0).wont_be_close_to 42
end
assert_triggered 'Expected |42 - 42.0| (0.0) to not be < 1.0e-05.' do
(6 * 7.0).wont_be_close_to 42, 0.00001
end
assert_triggered "msg.\nExpected |42 - 42.0| (0.0) to not be < 1.0e-05." do
(6 * 7.0).wont_be_close_to 42, 0.00001, "msg"
end
end
it "needs to verify floats outside an epsilon" do
@assertion_count += 1 # extra test
24.wont_be_within_epsilon(42).must_equal false
assert_triggered 'Expected |42 - 42.0| (0.0) to not be < 0.042.' do
(6 * 7.0).wont_be_within_epsilon 42
end
assert_triggered 'Expected |42 - 42.0| (0.0) to not be < 0.00042.' do
(6 * 7.0).wont_be_within_epsilon 42, 0.00001
end
assert_triggered "msg.\nExpected |42 - 42.0| (0.0) to not be < 0.00042." do
(6 * 7.0).wont_be_within_epsilon 42, 0.00001, "msg"
end
end
it "needs to verify floats within a delta" do
@assertion_count += 1 # extra test
(6.0 * 7).must_be_close_to(42.0).must_equal true
assert_triggered 'Expected |0.0 - 0.01| (0.01) to be < 0.001.' do
(1.0 / 100).must_be_close_to 0.0
end
assert_triggered 'Expected |0.0 - 0.001| (0.001) to be < 1.0e-06.' do
(1.0 / 1000).must_be_close_to 0.0, 0.000001
end
assert_triggered "msg.\nExpected |0.0 - 0.001| (0.001) to be < 1.0e-06." do
(1.0 / 1000).must_be_close_to 0.0, 0.000001, "msg"
end
end
it "needs to verify floats within an epsilon" do
@assertion_count += 1 # extra test
(6.0 * 7).must_be_within_epsilon(42.0).must_equal true
assert_triggered 'Expected |0.0 - 0.01| (0.01) to be < 0.0.' do
(1.0 / 100).must_be_within_epsilon 0.0
end
assert_triggered 'Expected |0.0 - 0.001| (0.001) to be < 0.0.' do
(1.0 / 1000).must_be_within_epsilon 0.0, 0.000001
end
assert_triggered "msg.\nExpected |0.0 - 0.001| (0.001) to be < 0.0." do
(1.0 / 1000).must_be_within_epsilon 0.0, 0.000001, "msg"
end
end
it "needs to verify identity" do
1.must_be_same_as(1).must_equal true
assert_triggered "Expected 1 (oid=N) to be the same as 2 (oid=N)." do
1.must_be_same_as 2
end
assert_triggered "msg.\nExpected 1 (oid=N) to be the same as 2 (oid=N)." do
1.must_be_same_as 2, "msg"
end
end
it "needs to verify inequality" do
42.wont_equal(6 * 9).must_equal false
assert_triggered "Expected 1 to not be equal to 1." do
1.wont_equal 1
end
assert_triggered "msg.\nExpected 1 to not be equal to 1." do
1.wont_equal 1, "msg"
end
end
it "needs to verify instances of a class" do
42.wont_be_instance_of(String).must_equal false
assert_triggered 'Expected 42 to not be an instance of Fixnum.' do
42.wont_be_instance_of Fixnum
end
assert_triggered "msg.\nExpected 42 to not be an instance of Fixnum." do
42.wont_be_instance_of Fixnum, "msg"
end
end
it "needs to verify kinds of a class" do
42.wont_be_kind_of(String).must_equal false
assert_triggered 'Expected 42 to not be a kind of Integer.' do
42.wont_be_kind_of Integer
end
assert_triggered "msg.\nExpected 42 to not be a kind of Integer." do
42.wont_be_kind_of Integer, "msg"
end
end
it "needs to verify kinds of objects" do
@assertion_count += 2 # extra test
(6 * 7).must_be_kind_of(Fixnum).must_equal true
(6 * 7).must_be_kind_of(Numeric).must_equal true
assert_triggered "Expected 42 to be a kind of String, not Fixnum." do
(6 * 7).must_be_kind_of String
end
assert_triggered "msg.\nExpected 42 to be a kind of String, not Fixnum." do
(6 * 7).must_be_kind_of String, "msg"
end
end
it "needs to verify mismatch" do
@assertion_count += 3 # match is 2
"blah".wont_match(/\d+/).must_equal false
assert_triggered "Expected /\\w+/ to not match \"blah\"." do
"blah".wont_match(/\w+/)
end
assert_triggered "msg.\nExpected /\\w+/ to not match \"blah\"." do
"blah".wont_match(/\w+/, "msg")
end
end
it "needs to verify nil" do
nil.must_be_nil.must_equal true
assert_triggered "Expected 42 to be nil." do
42.must_be_nil
end
assert_triggered "msg.\nExpected 42 to be nil." do
42.must_be_nil "msg"
end
end
it "needs to verify non-emptyness" do
@assertion_count += 3 # empty is 2 assertions
['some item'].wont_be_empty.must_equal false
assert_triggered "Expected [] to not be empty." do
[].wont_be_empty
end
assert_triggered "msg.\nExpected [] to not be empty." do
[].wont_be_empty "msg"
end
end
it "needs to verify non-identity" do
1.wont_be_same_as(2).must_equal false
assert_triggered "Expected 1 (oid=N) to not be the same as 1 (oid=N)." do
1.wont_be_same_as 1
end
assert_triggered "msg.\nExpected 1 (oid=N) to not be the same as 1 (oid=N)." do
1.wont_be_same_as 1, "msg"
end
end
it "needs to verify non-nil" do
42.wont_be_nil.must_equal false
assert_triggered "Expected nil to not be nil." do
nil.wont_be_nil
end
assert_triggered "msg.\nExpected nil to not be nil." do
nil.wont_be_nil "msg"
end
end
it "needs to verify objects not responding to a message" do
"".wont_respond_to(:woot!).must_equal false
assert_triggered 'Expected "" to not respond to to_s.' do
"".wont_respond_to :to_s
end
assert_triggered "msg.\nExpected \"\" to not respond to to_s." do
"".wont_respond_to :to_s, "msg"
end
end
it "needs to verify output in stderr" do
@assertion_count -= 1 # no msg
proc { $stderr.print "blah" }.must_output(nil, "blah").must_equal true
assert_triggered "In stderr.\nExpected: \"blah\"\n Actual: \"xxx\"" do
proc { $stderr.print "xxx" }.must_output(nil, "blah")
end
end
it "needs to verify output in stdout" do
@assertion_count -= 1 # no msg
proc { print "blah" }.must_output("blah").must_equal true
assert_triggered "In stdout.\nExpected: \"blah\"\n Actual: \"xxx\"" do
proc { print "xxx" }.must_output("blah")
end
end
it "needs to verify regexp matches" do
@assertion_count += 3 # must_match is 2 assertions
"blah".must_match(/\w+/).must_equal true
assert_triggered "Expected /\\d+/ to match \"blah\"." do
"blah".must_match(/\d+/)
end
assert_triggered "msg.\nExpected /\\d+/ to match \"blah\"." do
"blah".must_match(/\d+/, "msg")
end
end
it "needs to verify throw" do
@assertion_count += 2 # 2 extra tests
proc { throw :blah }.must_throw(:blah).must_equal true
assert_triggered "Expected :blah to have been thrown." do
proc { }.must_throw :blah
end
assert_triggered "Expected :blah to have been thrown, not :xxx." do
proc { throw :xxx }.must_throw :blah
end
assert_triggered "msg.\nExpected :blah to have been thrown." do
proc { }.must_throw :blah, "msg"
end
assert_triggered "msg.\nExpected :blah to have been thrown, not :xxx." do
proc { throw :xxx }.must_throw :blah, "msg"
end
end
it "needs to verify types of objects" do
(6 * 7).must_be_instance_of(Fixnum).must_equal true
exp = "Expected 42 to be an instance of String, not Fixnum."
assert_triggered exp do
(6 * 7).must_be_instance_of String
end
assert_triggered "msg.\n#{exp}" do
(6 * 7).must_be_instance_of String, "msg"
end
end
it "needs to verify using any (negative) predicate" do
@assertion_count -= 1 # doesn't take a message
"blah".wont_be(:empty?).must_equal false
assert_triggered "Expected \"\" to not be empty?." do
"".wont_be :empty?
end
end
it "needs to verify using any binary operator" do
@assertion_count -= 1 # no msg
41.must_be(:<, 42).must_equal true
assert_triggered "Expected 42 to be < 41." do
42.must_be(:<, 41)
end
end
it "needs to verify using any predicate" do
@assertion_count -= 1 # no msg
"".must_be(:empty?).must_equal true
assert_triggered "Expected \"blah\" to be empty?." do
"blah".must_be :empty?
end
end
it "needs to verify using respond_to" do
42.must_respond_to(:+).must_equal true
assert_triggered "Expected 42 (Fixnum) to respond to #clear." do
42.must_respond_to :clear
end
assert_triggered "msg.\nExpected 42 (Fixnum) to respond to #clear." do
42.must_respond_to :clear, "msg"
end
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(setup teardown test_0001_top-level-it)
inner_methods1 = %w(setup teardown 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
@tu = MiniTest::Unit.new
@output = StringIO.new("")
MiniTest::Unit.runner = nil # protect the outer runner from the inner tests
MiniTest::Unit.output = @output
tc = z.new :test_0002_anonymous
tc.run @tu
assert_equal [1, 2, 3], before_list
assert_equal [3, 2, 1], after_list
ensure
MiniTest::Unit.output = $stdout
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 = x1 = x2 = y = z = nil
x = describe "top-level thingy" do
y = describe "first thingy" do end
x1 = it "top level it" do end
x2 = it "не латинские буквы-и-спецсимволы&いった α, β, γ, δ, ε hello!!! world" do end
z = describe "second thingy" do end
end
test_methods = ['test_0001_top level it', 'test_0002_не латинские буквы-и-спецсимволы&いった α, β, γ, δ, ε hello!!! world'].sort
assert_equal test_methods, [x1, x2]
assert_equal test_methods,
x.instance_methods.grep(/^test/).map {|o| o.to_s}.sort
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