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ruby--ruby/test/minitest/test_minitest_unit.rb
ryan 9b3e7967ab Imported minitest 2.2.2 (r6281)
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@31899 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
2011-06-01 22:34:09 +00:00

1305 lines
31 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 'stringio'
require 'pathname'
require 'minitest/unit'
MiniTest::Unit.autorun
module MyModule; end
class AnError < StandardError; include MyModule; end
class TestMiniTestUnit < MiniTest::Unit::TestCase
pwd = Pathname.new(File.expand_path(Dir.pwd))
basedir = Pathname.new(File.expand_path(MiniTest::MINI_DIR)) + '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 assert_report expected = nil
expected ||= "Run options: --seed 42
# Running tests:
.
Finished tests in 0.00
1 tests, 1 assertions, 0 failures, 0 errors, 0 skips
"
output = @output.string.sub(/Finished tests in .*/, "Finished tests in 0.00")
output.sub!(/Loaded suite .*/, 'Loaded suite blah')
output.sub!(/^(\s+)(?:#{Regexp.union(__FILE__, File.expand_path(__FILE__))}):\d+:/o, '\1FILE:LINE:')
output.sub!(/\[(?:#{Regexp.union(__FILE__, File.expand_path(__FILE__))}):\d+\]/o, '[FILE:LINE]')
assert_equal(expected, output)
end
def setup
srand 42
MiniTest::Unit::TestCase.reset
@tu = MiniTest::Unit.new
@output = StringIO.new("")
MiniTest::Unit.output = @output
end
def teardown
MiniTest::Unit.output = $stdout
MiniTest::Unit.runner = nil
Object.send :remove_const, :ATestCase if defined? ATestCase
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
# 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'",
"#{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_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 %w[--seed 42]
expected = "Run options: --seed 42
# Running tests:
E.
Finished tests 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
"
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 %w[--seed 42]
expected = "Run options: --seed 42
# Running tests:
E
Finished tests 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
"
assert_report expected
end
def test_run_failing
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[--seed 42]
expected = "Run options: --seed 42
# Running tests:
F.
Finished tests 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
"
assert_report expected
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[--name /some|thing/ --seed 42]
expected = "Run options: --name \"/some|thing/\" --seed 42
# Running tests:
.
Finished tests in 0.00
1 tests, 1 assertions, 0 failures, 0 errors, 0 skips
"
assert_report expected
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 %w[--seed 42]
assert_report
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 %w[--seed 42]
expected = "Run options: --seed 42
# Running tests:
S.
Finished tests in 0.00
2 tests, 1 assertions, 0 failures, 0 errors, 1 skips
"
assert_report expected
end
def test_run_skip_verbose
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 %w[--seed 42 --verbose]
expected = "Run options: --seed 42 --verbose
# Running tests:
ATestCase#test_skip = 0.00 s = S
ATestCase#test_something = 0.00 s = .
Finished tests in 0.00
1) Skipped:
test_skip(ATestCase) [FILE:LINE]:
not yet
2 tests, 1 assertions, 0 failures, 0 errors, 1 skips
"
assert_report expected
end
def test_default_runner_is_minitest_unit
assert_instance_of MiniTest::Unit, MiniTest::Unit.runner
end
def test_run_with_other_runner
runner = Class.new(MiniTest::Unit) do
# Run once before each suite
def _run_suite(suite, type)
begin
suite.before_suite
super(suite, type)
end
end
end
tc = Class.new(MiniTest::Unit::TestCase) do
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
Object.const_set(:ATestCase, tc)
MiniTest::Unit.runner = runner.new
@tu.run %w[--seed 42]
# We should only see 'running ATestCase tests' once
expected = "Run options: --seed 42
# Running tests:
Running ATestCase tests
..
Finished tests in 0.00
2 tests, 2 assertions, 0 failures, 0 errors, 0 skips
"
assert_report expected
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
end
class TestMiniTestUnitTestCase < 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_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 "blah.\nExpected block to return true value." do
@tc.assert_block "blah" 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_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.
You should look at your implementation of Object#==.
#<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.
You should look at your implementation of String#==.
\"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 = 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 = 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_object
@assertion_count = 2
pattern = Object.new
def pattern.=~(other) true end
@tc.assert_match pattern, 5
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_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_err
@tc.assert_output nil, "blah" do
$stderr.print "blah"
end
end
def test_assert_output_neither
@assertion_count = 0
@tc.assert_output do
# do nothing
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("yay", "boo", "In stdout") 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_raises
@tc.assert_raises RuntimeError do
raise "blah"
end
end
##
# *sigh* This is quite an odd scenario, but it is from real (albeit
# ugly) test code in ruby-core:
#
# http://svn.ruby-lang.org/cgi-bin/viewvc.cgi?view=rev&revision=29259
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_module
@tc.assert_raises MyModule do
raise AnError
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 = "[RuntimeError] exception expected, not
Class: <SyntaxError>
Message: <\"icky\">
---Backtrace---
FILE:LINE:in `test_assert_raises_triggered_different'
---------------"
actual = e.message.gsub(/^.+:\d+/, 'FILE:LINE')
actual.gsub!(/block \(\d+ levels\) in /, '') if RUBY_VERSION =~ /^1\.9/
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 = "XXX
[RuntimeError] exception expected, not
Class: <SyntaxError>
Message: <\"icky\">
---Backtrace---
FILE:LINE:in `test_assert_raises_triggered_different_msg'
---------------"
actual = e.message.gsub(/^.+:\d+/, 'FILE:LINE')
actual.gsub!(/block \(\d+ levels\) in /, '') if RUBY_VERSION =~ /^1\.9/
assert_equal expected, 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 = "[StandardError] exception expected, not
Class: <AnError>
Message: <\"AnError\">
---Backtrace---
FILE:LINE:in `test_assert_raises_triggered_subclass'
---------------"
actual = e.message.gsub(/^.+:\d+/, 'FILE:LINE')
actual.gsub!(/block \(\d+ levels\) in /, '') if RUBY_VERSION =~ /^1\.9/
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
# do nothing
end
end
def test_assert_silent_triggered_err
@assertion_count = 2
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
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
# do nothing
end
end
end
def test_capture_io
@assertion_count = 0
orig_verbose = $VERBOSE
$VERBOSE = false
out, err = capture_io do
puts 'hi'
warn 'bye!'
end
assert_equal "hi\n", out
assert_equal "bye!\n", err
ensure
$VERBOSE = orig_verbose
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_raised
assert_nothing_thrown assert_output assert_raise
assert_raises assert_send assert_silent assert_throws)
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_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_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_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_object
@assertion_count = 2
@tc.refute_match Object.new, 5 # default #=~ returns false
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_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
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 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 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