test_minitest_unit.rb [plain text]
require 'pathname'
require 'minitest/metametameta'
module MyModule; end
class AnError < StandardError; include MyModule; end
class ImmutableString < String; def inspect; super.freeze; end; end
class TestMiniTestUnit < MetaMetaMetaTestCase
parallelize_me! if ENV["PARALLEL"]
pwd = Pathname.new File.expand_path Dir.pwd
basedir = Pathname.new(File.expand_path "lib/minitest") + 'mini'
basedir = basedir.relative_path_from(pwd).to_s
MINITEST_BASE_DIR = basedir[/\A\./] ? basedir : "./#{basedir}"
BT_MIDDLE = ["#{MINITEST_BASE_DIR}/test.rb:161:in `each'",
"#{MINITEST_BASE_DIR}/test.rb:158:in `each'",
"#{MINITEST_BASE_DIR}/test.rb:139:in `run'",
"#{MINITEST_BASE_DIR}/test.rb:106:in `run'"]
def test_wtf
$hook_value = nil
capture_io do MiniTest::Unit::TestCase.add_setup_hook do
$hook_value = 42
end
end
run_setup_hooks
assert_equal 42, $hook_value
assert_equal [Proc], MiniTest::Unit::TestCase.setup_hooks.map(&:class)
MiniTest::Unit::TestCase.reset_setup_teardown_hooks
assert_equal [], MiniTest::Unit::TestCase.setup_hooks.map(&:class)
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)
assert_match("method_name(SomeClass) [unhappy]", @tu.report.first)
end
def test_class_puke_with_assertion_failed_and_long_backtrace
bt = (["test/test_some_class.rb:615:in `method_name'",
"#{MINITEST_BASE_DIR}/unit.rb:140:in `assert_raises'",
"test/test_some_class.rb:615:in `each'",
"test/test_some_class.rb:614:in `test_method_name'",
"#{MINITEST_BASE_DIR}/test.rb:165:in `__send__'"] +
BT_MIDDLE +
["#{MINITEST_BASE_DIR}/test.rb:29"])
bt = util_expand_bt bt
ex_location = util_expand_bt(["test/test_some_class.rb:615"]).first
exception = MiniTest::Assertion.new "Oh no!"
exception.set_backtrace bt
assert_equal 'F', @tu.puke('TestSomeClass', 'test_method_name', exception)
assert_equal 1, @tu.failures
assert_match(/^Failure.*Oh no!/m, @tu.report.first)
assert_match("test_method_name(TestSomeClass) [#{ex_location}]", @tu.report.first)
end
def test_class_puke_with_assertion_failed_and_user_defined_assertions
bt = (["lib/test/my/util.rb:16:in `another_method_name'",
"#{MINITEST_BASE_DIR}/unit.rb:140:in `assert_raises'",
"lib/test/my/util.rb:15:in `block in assert_something'",
"lib/test/my/util.rb:14:in `each'",
"lib/test/my/util.rb:14:in `assert_something'",
"test/test_some_class.rb:615:in `each'",
"test/test_some_class.rb:614:in `test_method_name'",
"#{MINITEST_BASE_DIR}/test.rb:165:in `__send__'"] +
BT_MIDDLE +
["#{MINITEST_BASE_DIR}/test.rb:29"])
bt = util_expand_bt bt
ex_location = util_expand_bt(["test/test_some_class.rb:615"]).first
exception = MiniTest::Assertion.new "Oh no!"
exception.set_backtrace bt
assert_equal 'F', @tu.puke('TestSomeClass', 'test_method_name', exception)
assert_equal 1, @tu.failures
assert_match(/^Failure.*Oh no!/m, @tu.report.first)
assert_match("test_method_name(TestSomeClass) [#{ex_location}]", @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_flunk_and_user_defined_assertions
bt = (["lib/test/my/util.rb:16:in `flunk'",
"#{MINITEST_BASE_DIR}/unit.rb:140:in `assert_raises'",
"lib/test/my/util.rb:15:in `block in assert_something'",
"lib/test/my/util.rb:14:in `each'",
"lib/test/my/util.rb:14:in `assert_something'",
"test/test_some_class.rb:615:in `each'",
"test/test_some_class.rb:614:in `test_method_name'",
"#{MINITEST_BASE_DIR}/test.rb:165:in `__send__'"] +
BT_MIDDLE +
["#{MINITEST_BASE_DIR}/test.rb:29"])
bt = util_expand_bt bt
ex_location = util_expand_bt(["test/test_some_class.rb:615"]).first
exception = MiniTest::Assertion.new "Oh no!"
exception.set_backtrace bt
assert_equal 'F', @tu.puke('TestSomeClass', 'test_method_name', exception)
assert_equal 1, @tu.failures
assert_match(/^Failure.*Oh no!/m, @tu.report.first)
assert_match("test_method_name(TestSomeClass) [#{ex_location}]", @tu.report.first)
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_filter_backtrace
bt = (["lib/autotest.rb:571:in `add_exception'",
"test/test_autotest.rb:62:in `test_add_exception'",
"#{MINITEST_BASE_DIR}/test.rb:165:in `__send__'"] +
BT_MIDDLE +
["#{MINITEST_BASE_DIR}/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 test_filter_backtrace_all_unit
bt = (["#{MINITEST_BASE_DIR}/test.rb:165:in `__send__'"] +
BT_MIDDLE +
["#{MINITEST_BASE_DIR}/test.rb:29"])
ex = bt.clone
fu = MiniTest::filter_backtrace(bt)
assert_equal ex, fu
end
def test_filter_backtrace_unit_starts
bt = (["#{MINITEST_BASE_DIR}/test.rb:165:in `__send__'"] +
BT_MIDDLE +
["#{MINITEST_BASE_DIR}/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_default_runner_is_minitest_unit
assert_instance_of MiniTest::Unit, MiniTest::Unit.runner
end
def with_overridden_include
Class.class_eval do
def inherited_with_hacks klass
throw :inherited_hook
end
alias inherited_without_hacks inherited
alias inherited inherited_with_hacks
alias IGNORE_ME! inherited end
yield
ensure
Class.class_eval do
alias inherited inherited_without_hacks
undef_method :inherited_with_hacks
undef_method :inherited_without_hacks
end
refute_respond_to Class, :inherited_with_hacks
refute_respond_to Class, :inherited_without_hacks
end
def test_inherited_hook_plays_nice_with_others
with_overridden_include do
assert_throws :inherited_hook do
Class.new MiniTest::Unit::TestCase
end
end
end
def test_passed_eh_teardown_good
test_class = Class.new MiniTest::Unit::TestCase do
def teardown; assert true; end
def test_omg; assert true; end
end
test = test_class.new :test_omg
test.run @tu
assert test.passed?
end
def test_passed_eh_teardown_flunked
test_class = Class.new MiniTest::Unit::TestCase do
def teardown; flunk; end
def test_omg; assert true; end
end
test = test_class.new :test_omg
test.run @tu
refute test.passed?
end
def util_expand_bt bt
bt.map { |f| (f =~ /^\./) ? File.expand_path(f) : f }
end
end
class TestMiniTestRunner < MetaMetaMetaTestCase
def test_class_test_suites
@assertion_count = 0
tc = Class.new(MiniTest::Unit::TestCase)
assert_equal 1, MiniTest::Unit::TestCase.test_suites.size
assert_equal [tc], MiniTest::Unit::TestCase.test_suites
end
def test_run_test
Class.new MiniTest::Unit::TestCase do
attr_reader :foo
def run_test name
@foo = "hi mom!"
super
@foo = "okay"
end
def test_something
assert_equal "hi mom!", foo
end
end
expected = clean <<-EOM
.
Finished tests in 0.00
1 tests, 1 assertions, 0 failures, 0 errors, 0 skips
EOM
assert_report expected
end
def test_run_error
Class.new MiniTest::Unit::TestCase do
def test_something
assert true
end
def test_error
raise "unhandled exception"
end
end
expected = clean <<-EOM
E.
Finished tests in 0.00
1) Error:
test_error( RuntimeError: unhandled exception
FILE:LINE:in `test_error'
2 tests, 1 assertions, 0 failures, 1 errors, 0 skips
EOM
assert_report expected
end
def test_run_error_teardown
Class.new MiniTest::Unit::TestCase do
def test_something
assert true
end
def teardown
raise "unhandled exception"
end
end
expected = clean <<-EOM
E
Finished tests in 0.00
1) Error:
test_something(#<Class:0xXXX>):
RuntimeError: unhandled exception
FILE:LINE:in `teardown'
1 tests, 1 assertions, 0 failures, 1 errors, 0 skips
EOM
assert_report expected
end
def test_run_failing
Class.new MiniTest::Unit::TestCase do
def test_something
assert true
end
def test_failure
assert false
end
end
expected = clean <<-EOM
F.
Finished tests in 0.00
1) Failure:
test_failure(#<Class:0xXXX>) [FILE:LINE]:
Failed assertion, no message given.
2 tests, 2 assertions, 1 failures, 0 errors, 0 skips
EOM
assert_report expected
end
def test_run_failing_filtered
Class.new MiniTest::Unit::TestCase do
def test_something
assert true
end
def test_failure
assert false
end
end
expected = clean <<-EOM
.
Finished tests in 0.00
1 tests, 1 assertions, 0 failures, 0 errors, 0 skips
EOM
assert_report expected, %w[--name /some|thing/ --seed 42]
end
def test_run_passing
Class.new MiniTest::Unit::TestCase do
def test_something
assert true
end
end
expected = clean <<-EOM
.
Finished tests in 0.00
1 tests, 1 assertions, 0 failures, 0 errors, 0 skips
EOM
assert_report expected
end
def test_run_skip
Class.new MiniTest::Unit::TestCase do
def test_something
assert true
end
def test_skip
skip "not yet"
end
end
expected = clean <<-EOM
S.
Finished tests in 0.00
2 tests, 1 assertions, 0 failures, 0 errors, 1 skips
EOM
assert_report expected
end
def test_run_skip_verbose
Class.new MiniTest::Unit::TestCase do
def test_something
assert true
end
def test_skip
skip "not yet"
end
end
expected = clean <<-EOM
#<Class:0xXXX>#test_skip = 0.00 s = S
#<Class:0xXXX>#test_something = 0.00 s = .
Finished tests in 0.00
1) Skipped:
test_skip(#<Class:0xXXX>) [FILE:LINE]:
not yet
2 tests, 1 assertions, 0 failures, 0 errors, 1 skips
EOM
assert_report expected, %w[--seed 42 --verbose]
end
def test_run_with_other_runner
MiniTest::Unit.runner = Class.new MiniTest::Unit do
def _run_suite suite, type
suite.before_suite # Run once before each suite
super suite, type
end
end.new
Class.new MiniTest::Unit::TestCase do
def self.name; "wacky!" end
def self.before_suite
MiniTest::Unit.output.puts "Running #{self.name} tests"
@@foo = 1
end
def test_something
assert_equal 1, @@foo
end
def test_something_else
assert_equal 1, @@foo
end
end
expected = clean <<-EOM
Running wacky! tests
..
Finished tests in 0.00
2 tests, 2 assertions, 0 failures, 0 errors, 0 skips
EOM
assert_report expected
end
require 'monitor'
class Latch
def initialize count = 1
@count = count
@lock = Monitor.new
@cv = @lock.new_cond
end
def release
@lock.synchronize do
@count -= 1 if @count > 0
@cv.broadcast if @count == 0
end
end
def await
@lock.synchronize { @cv.wait_while { @count > 0 } }
end
end
def test_run_parallel
test_count = 2
test_latch = Latch.new test_count
main_latch = Latch.new
thread = Thread.new {
Thread.current.abort_on_exception = true
# This latch waits until both test latches have been released. Both
# latches can't be released unless done in separate threads because
test_latch.await
main_latch.release
}
Class.new MiniTest::Unit::TestCase do
parallelize_me!
test_count.times do |i|
define_method :"test_wait_on_main_thread_#{i}" do
test_latch.release
main_latch.await
assert true
end
end
end
expected = clean <<-EOM
..
Finished tests in 0.00
2 tests, 2 assertions, 0 failures, 0 errors, 0 skips
EOM
assert_report expected
assert thread.join
end
end
class TestMiniTestUnitOrder < MetaMetaMetaTestCase
def test_before_setup
call_order = []
Class.new MiniTest::Unit::TestCase do
define_method :setup do
super()
call_order << :setup
end
define_method :before_setup do
call_order << :before_setup
end
def test_omg; assert true; end
end
with_output do
@tu.run %w[--seed 42]
end
expected = [:before_setup, :setup]
assert_equal expected, call_order
end
def test_after_teardown
call_order = []
Class.new MiniTest::Unit::TestCase do
define_method :teardown do
super()
call_order << :teardown
end
define_method :after_teardown do
call_order << :after_teardown
end
def test_omg; assert true; end
end
with_output do
@tu.run %w[--seed 42]
end
expected = [:teardown, :after_teardown]
assert_equal expected, call_order
end
def test_all_teardowns_are_guaranteed_to_run
call_order = []
Class.new MiniTest::Unit::TestCase do
define_method :after_teardown do
super()
call_order << :after_teardown
raise
end
define_method :teardown do
super()
call_order << :teardown
raise
end
define_method :before_teardown do
super()
call_order << :before_teardown
raise
end
def test_omg; assert true; end
end
with_output do
@tu.run %w[--seed 42]
end
expected = [:before_teardown, :teardown, :after_teardown]
assert_equal expected, call_order
end
def test_setup_and_teardown_survive_inheritance
call_order = []
parent = Class.new MiniTest::Spec do
before do
call_order << :setup_method
end
after do
call_order << :teardown_method
end
define_method :test_something do
call_order << :test
end
end
_ = Class.new parent
with_output do
@tu.run %w[--seed 42]
end
expected = [:setup_method, :test, :teardown_method] * 2
assert_equal expected, call_order
end
end
class TestMiniTestUnitTestCase < MiniTest::Unit::TestCase
parallelize_me! if ENV["PARALLEL"]
RUBY18 = ! defined? Encoding
def setup
super
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
end
def non_verbose
orig_verbose = $VERBOSE
$VERBOSE = false
yield
ensure
$VERBOSE = orig_verbose
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
exp = ["NOTE: MiniTest::Unit::TestCase#assert_block is deprecated,",
"use assert. It will be removed on 2013-01-01."].join " "
out, err = capture_io do
@tc.assert_block do
true
end
end
assert_equal "", out
assert_match exp, err
end
def test_assert_block_triggered
assert_output do
util_assert_triggered "blah.\nExpected block to return true value." do
@tc.assert_block "blah" do
false
end
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_collection_array_hex_invisible
object1 = Object.new
object2 = Object.new
msg = "No visible difference in the Array#inspect output.
You should look at the implementation of #== on Array or its members.
[#<Object:0xXXXXXX>]".gsub(/^ +/, "")
util_assert_triggered msg do
@tc.assert_equal [object1], [object2]
end
end
def test_assert_equal_different_collection_hash_hex_invisible
h1, h2 = {}, {}
h1[1] = Object.new
h2[1] = Object.new
msg = "No visible difference in the Hash#inspect output.
You should look at the implementation of #== on Hash or its members.
{1=>#<Object:0xXXXXXX>}".gsub(/^ +/, "")
util_assert_triggered msg do
@tc.assert_equal h1, h2
end
end
def test_assert_equal_different_diff_deactivated
without_diff do
util_assert_triggered util_msg("haha" * 10, "blah" * 10) do
o1 = "haha" * 10
o2 = "blah" * 10
@tc.assert_equal o1, o2
end
end
end
def test_assert_equal_different_hex
c = Class.new do
def initialize s; @name = s; end
end
o1 = c.new "a"
o2 = c.new "b"
msg = "--- expected
+++ actual
@@ -1 +1 @@
-#<#<Class:0xXXXXXX>:0xXXXXXX @name=\"a\">
+#<#<Class:0xXXXXXX>:0xXXXXXX @name=\"b\">
".gsub(/^ +/, "")
util_assert_triggered msg do
@tc.assert_equal o1, o2
end
end
def test_assert_equal_different_hex_invisible
o1 = Object.new
o2 = Object.new
msg = "No visible difference in the Object#inspect output.
You should look at the implementation of #== on Object or its members.
#<Object:0xXXXXXX>".gsub(/^ +/, "")
util_assert_triggered msg do
@tc.assert_equal o1, o2
end
end
def test_assert_equal_different_long
msg = "--- expected
+++ actual
@@ -1 +1 @@
-\"hahahahahahahahahahahahahahahahahahahaha\"
+\"blahblahblahblahblahblahblahblahblahblah\"
".gsub(/^ +/, "")
util_assert_triggered msg do
o1 = "haha" * 10
o2 = "blah" * 10
@tc.assert_equal o1, o2
end
end
def test_assert_equal_different_long_invisible
msg = "No visible difference in the String#inspect output.
You should look at the implementation of #== on String or its members.
\"blahblahblahblahblahblahblahblahblahblah\"".gsub(/^ +/, "")
util_assert_triggered msg do
o1 = "blah" * 10
o2 = "blah" * 10
def o1.== o
false
end
@tc.assert_equal o1, o2
end
end
def test_assert_equal_different_long_msg
msg = "message.
--- expected
+++ actual
@@ -1 +1 @@
-\"hahahahahahahahahahahahahahahahahahahaha\"
+\"blahblahblahblahblahblahblahblahblahblah\"
".gsub(/^ +/, "")
util_assert_triggered msg do
o1 = "haha" * 10
o2 = "blah" * 10
@tc.assert_equal o1, o2, "message"
end
end
def test_assert_equal_different_short
util_assert_triggered util_msg(1, 2) do
@tc.assert_equal 1, 2
end
end
def test_assert_equal_different_short_msg
util_assert_triggered util_msg(1, 2, "message") do
@tc.assert_equal 1, 2, "message"
end
end
def test_assert_equal_different_short_multiline
msg = "--- expected\n+++ actual\n@@ -1,2 +1,2 @@\n \"a\n-b\"\n+c\"\n"
util_assert_triggered msg do
@tc.assert_equal "a\nb", "a\nc"
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 = 10
@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
@tc.assert_in_epsilon(-1, -1)
@tc.assert_in_epsilon(-10000, -9991)
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_in_epsilon_triggered_negative_case
x = RUBY18 ? "0.1" : "0.10000000000000009"
util_assert_triggered "Expected |-1.1 - -1| (#{x}) to be < 0.1." do
@tc.assert_in_epsilon(-1.1, -1, 0.1)
end
end
def test_assert_includes
@assertion_count = 2
@tc.assert_includes [true], true
end
def test_assert_includes_triggered
@assertion_count = 3
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(/\w+/, "blah blah blah")
end
def test_assert_match_matcher_object
@assertion_count = 2
pattern = Object.new
def pattern.=~(other) true end
@tc.assert_match pattern, 5
end
def test_assert_match_matchee_to_str
@assertion_count = 2
obj = Object.new
def obj.to_str; "blah" end
@tc.assert_match "blah", obj
end
def test_assert_match_object_triggered
@assertion_count = 2
pattern = Object.new
def pattern.=~(other) false end
def pattern.inspect; "[Object]" end
util_assert_triggered 'Expected [Object] to match 5.' do
@tc.assert_match pattern, 5
end
end
def test_assert_match_triggered
@assertion_count = 2
util_assert_triggered 'Expected /\d+/ to match "blah blah blah".' do
@tc.assert_match(/\d+/, "blah blah blah")
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_bad_object
bad = Object.new
def bad.==(other) true end
@tc.assert_operator bad, :equal?, bad
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_output_both
@assertion_count = 2
@tc.assert_output "yay", "blah" do
print "yay"
$stderr.print "blah"
end
end
def test_assert_output_both_regexps
@assertion_count = 4
@tc.assert_output(/y.y/, /bl.h/) do
print "yay"
$stderr.print "blah"
end
end
def test_assert_output_err
@tc.assert_output nil, "blah" do
$stderr.print "blah"
end
end
def test_assert_output_neither
@assertion_count = 0
@tc.assert_output do
end
end
def test_assert_output_out
@tc.assert_output "blah" do
print "blah"
end
end
def test_assert_output_triggered_both
util_assert_triggered util_msg("blah", "blah blah", "In stderr") do
@tc.assert_output "yay", "blah" do
print "boo"
$stderr.print "blah blah"
end
end
end
def test_assert_output_triggered_err
util_assert_triggered util_msg("blah", "blah blah", "In stderr") do
@tc.assert_output nil, "blah" do
$stderr.print "blah blah"
end
end
end
def test_assert_output_triggered_out
util_assert_triggered util_msg("blah", "blah blah", "In stdout") do
@tc.assert_output "blah" do
print "blah blah"
end
end
end
def test_assert_predicate
@tc.assert_predicate "", :empty?
end
def test_assert_predicate_triggered
util_assert_triggered 'Expected "blah" to be empty?.' do
@tc.assert_predicate "blah", :empty?
end
end
def test_assert_raises
@tc.assert_raises RuntimeError do
raise "blah"
end
end
def test_assert_raises_module
@tc.assert_raises MyModule do
raise AnError
end
end
def test_assert_raises_skip
@assertion_count = 0
util_assert_triggered "skipped", MiniTest::Skip do
@tc.assert_raises ArgumentError do
begin
raise "blah"
rescue
skip "skipped"
end
end
end
end
def test_assert_raises_triggered_different
e = assert_raises MiniTest::Assertion do
@tc.assert_raises RuntimeError do
raise SyntaxError, "icky"
end
end
expected = clean <<-EOM.chomp
[RuntimeError] exception expected, not
Class: <SyntaxError>
Message: <\"icky\">
---Backtrace---
FILE:LINE:in `test_assert_raises_triggered_different'
---------------
EOM
actual = e.message.gsub(/^.+:\d+/, 'FILE:LINE')
actual.gsub!(/block \(\d+ levels\) in /, '') if RUBY_VERSION >= '1.9.0'
assert_equal expected, actual
end
def test_assert_raises_triggered_different_msg
e = assert_raises MiniTest::Assertion do
@tc.assert_raises RuntimeError, "XXX" do
raise SyntaxError, "icky"
end
end
expected = clean <<-EOM
XXX.
[RuntimeError] exception expected, not
Class: <SyntaxError>
Message: <\"icky\">
---Backtrace---
FILE:LINE:in `test_assert_raises_triggered_different_msg'
---------------
EOM
actual = e.message.gsub(/^.+:\d+/, 'FILE:LINE')
actual.gsub!(/block \(\d+ levels\) in /, '') if RUBY_VERSION >= '1.9.0'
assert_equal expected.chomp, actual
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_raises_triggered_none_msg
e = assert_raises MiniTest::Assertion do
@tc.assert_raises MiniTest::Assertion, "XXX" do
# do nothing
end
end
expected = "XXX.\nMiniTest::Assertion expected but nothing was raised."
assert_equal expected, e.message
end
def test_assert_raises_triggered_subclass
e = assert_raises MiniTest::Assertion do
@tc.assert_raises StandardError do
raise AnError
end
end
expected = clean <<-EOM.chomp
[StandardError] exception expected, not
Class: <AnError>
Message: <\"AnError\">
---Backtrace---
FILE:LINE:in `test_assert_raises_triggered_subclass'
---------------
EOM
actual = e.message.gsub(/^.+:\d+/, 'FILE:LINE')
actual.gsub!(/block \(\d+ levels\) in /, '') if RUBY_VERSION >= '1.9.0'
assert_equal expected, actual
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 (oid=N) to be the same as 1 (oid=N).' do
@tc.assert_same 1, 2
end
s1 = "blah"
s2 = "blah"
util_assert_triggered 'Expected "blah" (oid=N) to be the same as "blah" (oid=N).' 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_silent
@assertion_count = 2
@tc.assert_silent do
end
end
def test_assert_silent_triggered_err
util_assert_triggered util_msg("", "blah blah", "In stderr") do
@tc.assert_silent do
$stderr.print "blah blah"
end
end
end
def test_assert_silent_triggered_out
@assertion_count = 2
util_assert_triggered util_msg("", "blah blah", "In stdout") do
@tc.assert_silent do
print "blah blah"
end
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
end
end
end
def test_capture_io
@assertion_count = 0
non_verbose do
out, err = capture_io do
puts 'hi'
warn 'bye!'
end
assert_equal "hi\n", out
assert_equal "bye!\n", err
end
end
def test_capture_subprocess_io
@assertion_count = 0
skip "Dunno why but the parallel run of this fails"
non_verbose do
out, err = capture_subprocess_io do
system("echo 'hi'")
system("echo 'bye!' 1>&2")
end
assert_equal "hi\n", out
assert_equal "bye!\n", err
end
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_output assert_raises assert_send
assert_silent assert_throws]
ignores += %w[assert_no_match assert_not_equal assert_not_nil
assert_not_same assert_nothing_raised
assert_nothing_thrown assert_raise]
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_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
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
assert_equal "blah1.\nblah2.", @tc.message("blah1") { "blah2" }.call
end
def test_pass
@tc.pass
end
def test_prints
printer = Class.new { extend MiniTest::Assertions }
@tc.assert_equal '"test"', printer.mu_pp(ImmutableString.new 'test')
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 = 3
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
@assertion_count = 2
@tc.refute_match(/\d+/, "blah blah blah")
end
def test_refute_match_matcher_object
@assertion_count = 2
@tc.refute_match Object.new, 5 end
def test_refute_match_object_triggered
@assertion_count = 2
pattern = Object.new
def pattern.=~(other) true end
def pattern.inspect; "[Object]" end
util_assert_triggered 'Expected [Object] to not match 5.' do
@tc.refute_match pattern, 5
end
end
def test_refute_match_triggered
@assertion_count = 2
util_assert_triggered 'Expected /\w+/ to not match "blah blah blah".' do
@tc.refute_match(/\w+/, "blah blah blah")
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_predicate
@tc.refute_predicate "42", :empty?
end
def test_refute_predicate_triggered
util_assert_triggered 'Expected "" to not be empty?.' do
@tc.refute_predicate "", :empty?
end
end
def test_refute_operator
@tc.refute_operator 2, :<, 1
end
def test_refute_operator_bad_object
bad = Object.new
def bad.==(other) true end
@tc.refute_operator true, :equal?, bad
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
def test_refute_same_triggered
util_assert_triggered 'Expected 1 (oid=N) to not be the same as 1 (oid=N).' 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 test_test_methods_random
@assertion_count = 0
sample_test_case = Class.new MiniTest::Unit::TestCase do
def self.test_order; :random; end
def test_test1; assert "does not matter" end
def test_test2; assert "does not matter" end
def test_test3; assert "does not matter" end
end
srand 42
expected = %w(test_test2 test_test1 test_test3)
assert_equal expected, sample_test_case.test_methods
end
def test_test_methods_sorted
@assertion_count = 0
sample_test_case = Class.new MiniTest::Unit::TestCase do
def self.test_order; :sorted end
def test_test3; assert "does not matter" end
def test_test2; assert "does not matter" end
def test_test1; 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_i_suck_and_my_tests_are_order_dependent_bang_sets_test_order_alpha
@assertion_count = 0
shitty_test_case = Class.new MiniTest::Unit::TestCase
shitty_test_case.i_suck_and_my_tests_are_order_dependent!
assert_equal :alpha, shitty_test_case.test_order
end
def test_i_suck_and_my_tests_are_order_dependent_bang_does_not_warn
@assertion_count = 0
shitty_test_case = Class.new MiniTest::Unit::TestCase
def shitty_test_case.test_order ; :lol end
assert_silent do
shitty_test_case.i_suck_and_my_tests_are_order_dependent!
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!(/\(oid=[-0-9]+\)/, '(oid=N)')
assert_equal expected, msg
end
def util_msg exp, act, msg = nil
s = "Expected: #{exp.inspect}\n Actual: #{act.inspect}"
s = "#{msg}.\n#{s}" if msg
s
end
def without_diff
old_diff = MiniTest::Assertions.diff
MiniTest::Assertions.diff = nil
yield
ensure
MiniTest::Assertions.diff = old_diff
end
end
class TestMiniTestGuard < MiniTest::Unit::TestCase
parallelize_me! if ENV["PARALLEL"]
def test_mri_eh
assert self.class.mri? "ruby blah"
assert self.mri? "ruby blah"
end
def test_jruby_eh
assert self.class.jruby? "java"
assert self.jruby? "java"
end
def test_rubinius_eh
assert self.class.rubinius? "rbx"
assert self.rubinius? "rbx"
end
def test_windows_eh
assert self.class.windows? "mswin"
assert self.windows? "mswin"
end
end