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# 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
# do not parallelize this suite... it just can't handle it.
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 if passed? and not skipped?
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
skip "float output is different in maglev" if maglev?
@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
skip "float output is different in maglev" if maglev?
@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
skip "float output is different in maglev" if maglev?
@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 TestMetaStatic < MiniTest::Unit::TestCase
def test_children
MiniTest::Spec.children.clear # prevents parallel run
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
end
class TestMeta < MiniTest::Unit::TestCase
parallelize_me!
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
MiniTest::Unit.runner = nil # protect the outer runner from the inner tests
with_output do
tc = z.new :test_0002_anonymous
tc.run @tu
end
assert_equal [1, 2, 3], before_list
assert_equal [3, 2, 1], after_list
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
def with_output # REFACTOR: dupe from metametameta
synchronize do
begin
@output = StringIO.new("")
MiniTest::Unit.output = @output
yield
ensure
MiniTest::Unit.output = STDOUT
end
end
end
end
require "minitest/metametameta"
class TestSpecInTestCase < MetaMetaMetaTestCase
def setup
super
@tc = MiniTest::Unit::TestCase.new 'fake tc'
@assertion_count = 1
end
def util_assert_triggered expected, klass = MiniTest::Assertion # REFACTOR
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
def teardown # REFACTOR
assert_equal(@assertion_count, @tc._assertions,
"expected #{@assertion_count} assertions to be fired during the test, not #{@tc._assertions}") if @tc.passed?
end
def test_expectation
@assertion_count = 2
@tc.assert_equal true, 1.must_equal(1)
end
def test_expectation_triggered
util_assert_triggered "Expected: 2\n Actual: 1" do
1.must_equal 2
end
end
def test_expectation_with_a_message
util_assert_triggered "Expected: 2\n Actual: 1" do
1.must_equal 2, ''
end
end
end
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