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minitest/test/minitest/test_minitest_assertions.rb

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# encoding: UTF-8
require "minitest/autorun"
if defined? Encoding then
e = Encoding.default_external
if e != Encoding::UTF_8 then
warn ""
warn ""
warn "NOTE: External encoding #{e} is not UTF-8. Tests WILL fail."
warn " Run tests with `RUBYOPT=-Eutf-8 rake` to avoid errors."
warn ""
warn ""
end
end
SomeError = Class.new Exception
unless defined? MyModule then
module MyModule; end
class AnError < StandardError; include MyModule; end
end
class TestMinitestAssertions < Minitest::Test
# do not call parallelize_me! - teardown accesses @tc._assertions
# which is not threadsafe. Nearly every method in here is an
# assertion test so it isn't worth splitting it out further.
RUBY18 = !defined? Encoding
# not included in JRuby
RE_LEVELS = /\(\d+ levels\) /
class DummyTest
include Minitest::Assertions
# include Minitest::Reportable # TODO: why do I really need this?
attr_accessor :assertions, :failure
def initialize
self.assertions = 0
self.failure = nil
end
end
def setup
super
Minitest::Test.reset
@tc = DummyTest.new
@zomg = "zomg ponies!" # TODO: const
@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}")
end
def assert_deprecated name
dep = /DEPRECATED: #{name}. From #{__FILE__}:\d+(?::.*)?/
dep = "" if $-w.nil?
assert_output nil, dep do
yield
end
end
def 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)")
msg.gsub!(/(\d\.\d{6})\d+/, '\1xxx') # normalize: ruby version, impl, platform
assert_msg = Regexp === expected ? :assert_match : :assert_equal
self.send assert_msg, expected, msg
end
def assert_unexpected expected
expected = Regexp.new expected if String === expected
assert_triggered expected, Minitest::UnexpectedError do
yield
end
end
def clean s
s.gsub(/^ {6,10}/, "")
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
assert_triggered "Expected false to be truthy." do
@tc.assert false
end
end
def test_assert__triggered_message
assert_triggered @zomg do
@tc.assert false, @zomg
end
end
def test_assert__triggered_lambda
assert_triggered "whoops" do
@tc.assert false, lambda { "whoops" }
end
end
def test_assert_empty
@assertion_count = 2
@tc.assert_empty []
end
def test_assert_empty_triggered
@assertion_count = 2
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(/^ +/, "")
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(/^ +/, "")
assert_triggered msg do
@tc.assert_equal h1, h2
end
end
def test_assert_equal_different_diff_deactivated
without_diff do
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_message
assert_triggered "whoops.\nExpected: 1\n Actual: 2" do
@tc.assert_equal 1, 2, message { "whoops" }
end
end
def test_assert_equal_different_lambda
assert_triggered "whoops.\nExpected: 1\n Actual: 2" do
@tc.assert_equal 1, 2, lambda { "whoops" }
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 = clean <<-EOS
--- expected
+++ actual
@@ -1 +1 @@
-#<#<Class:0xXXXXXX>:0xXXXXXX @name=\"a\">
+#<#<Class:0xXXXXXX>:0xXXXXXX @name=\"b\">
EOS
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(/^ +/, "")
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(/^ +/, "")
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(/^ +/, "")
assert_triggered msg do
o1 = "blah" * 10
o2 = "blah" * 10
def o1.== _
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(/^ +/, "")
assert_triggered msg do
o1 = "haha" * 10
o2 = "blah" * 10
@tc.assert_equal o1, o2, "message"
end
end
def test_assert_equal_different_short
assert_triggered util_msg(1, 2) do
@tc.assert_equal 1, 2
end
end
def test_assert_equal_different_short_msg
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"
assert_triggered msg do
@tc.assert_equal "a\nb", "a\nc"
end
end
def test_assert_equal_does_not_allow_lhs_nil
if Minitest::VERSION =~ /^6/ then
warn "Time to strip the MT5 test"
@assertion_count += 1
assert_triggered(/Use assert_nil if expecting nil/) do
@tc.assert_equal nil, nil
end
else
err_re = /Use assert_nil if expecting nil from .*test_minitest_\w+.rb/
err_re = "" if $-w.nil?
assert_output "", err_re do
@tc.assert_equal nil, nil
end
end
end
def test_assert_equal_does_not_allow_lhs_nil_triggered
assert_triggered "Expected: nil\n Actual: false" do
@tc.assert_equal nil, false
end
end
def test_assert_equal_string_bug791
exp = <<-'EOF'.gsub(/^ {10}/, "") # note single quotes
--- expected
+++ actual
@@ -1,2 +1 @@
-"\\n
-"
+"\\\"
EOF
exp = "Expected: \"\\\\n\"\n Actual: \"\\\\\""
assert_triggered exp do
@tc.assert_equal "\\n", "\\"
end
end
def test_assert_equal_string_both_escaped_unescaped_newlines
msg = <<-EOM.gsub(/^ {10}/, "")
--- expected
+++ actual
@@ -1,2 +1 @@
-\"A\\n
-B\"
+\"A\\n\\\\nB\"
EOM
assert_triggered msg do
exp = "A\\nB"
act = "A\n\\nB"
@tc.assert_equal exp, act
end
end
def test_assert_equal_string_encodings
msg = <<-EOM.gsub(/^ {10}/, "")
--- expected
+++ actual
@@ -1,3 +1,3 @@
-# encoding: UTF-8
-# valid: false
+# encoding: #{Encoding::BINARY.name}
+# valid: true
"bad-utf8-\\xF1.txt"
EOM
assert_triggered msg do
x = "bad-utf8-\xF1.txt"
y = x.dup.force_encoding "binary" # TODO: switch to .b when 1.9 dropped
@tc.assert_equal x, y
end
end unless RUBY18
def test_assert_equal_string_encodings_both_different
msg = <<-EOM.gsub(/^ {10}/, "")
--- expected
+++ actual
@@ -1,3 +1,3 @@
-# encoding: US-ASCII
-# valid: false
+# encoding: #{Encoding::BINARY.name}
+# valid: true
"bad-utf8-\\xF1.txt"
EOM
assert_triggered msg do
x = "bad-utf8-\xF1.txt".force_encoding "ASCII"
y = x.dup.force_encoding "binary" # TODO: switch to .b when 1.9 dropped
@tc.assert_equal x, y
end
end unless RUBY18
def test_assert_equal_unescape_newlines
msg = <<-'EOM'.gsub(/^ {10}/, "") # NOTE single quotes on heredoc
--- expected
+++ actual
@@ -1,2 +1,2 @@
-"hello
+"hello\n
world"
EOM
assert_triggered msg do
exp = "hello\nworld"
act = 'hello\nworld' # notice single quotes
@tc.assert_equal exp, act
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
x = "1.0e-06"
assert_triggered "Expected |0.0 - 0.001| (0.001) to be <= #{x}." 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 10_000, 9991
@tc.assert_in_epsilon 9991, 10_000
@tc.assert_in_epsilon 1.0, 1.001
@tc.assert_in_epsilon 1.001, 1.0
@tc.assert_in_epsilon 10_000, 9999.1, 0.0001
@tc.assert_in_epsilon 9999.1, 10_000, 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(-10_000, -9991)
end
def test_assert_in_epsilon_triggered
assert_triggered "Expected |10000 - 9990| (10) to be <= 9.99." do
@tc.assert_in_epsilon 10_000, 9990
end
end
def test_assert_in_epsilon_triggered_negative_case
x = (RUBY18 and not maglev?) ? "0.1" : "0.100000xxx"
y = "0.1"
assert_triggered "Expected |-1.1 - -1| (#{x}) to be <= #{y}." 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
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
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
m = @tc.assert_match(/\w+/, "blah blah blah")
assert_kind_of MatchData, m
assert_equal "blah", m[0]
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_matcher_object
@assertion_count = 2
pattern = Object.new
def pattern.=~ _; true end
@tc.assert_match pattern, 5
end
def test_assert_match_object_triggered
@assertion_count = 2
pattern = Object.new
def pattern.=~ _; false end
def pattern.inspect; "[Object]" end
assert_triggered "Expected [Object] to match 5." do
@tc.assert_match pattern, 5
end
end
def test_assert_match_triggered
@assertion_count = 2
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
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.== _; true end
@tc.assert_operator bad, :equal?, bad
end
def test_assert_operator_triggered
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
# do nothing
end
end
def test_assert_output_out
@tc.assert_output "blah" do
print "blah"
end
end
def test_assert_output_triggered_both
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
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
assert_triggered util_msg("blah", "blah blah", "In stdout") do
@tc.assert_output "blah" do
print "blah blah"
end
end
end
def test_assert_output_no_block
assert_triggered "assert_output requires a block to capture output." do
@tc.assert_output "blah"
end
end
def test_assert_output_nested_assert_uncaught
@assertion_count = 1
assert_triggered "Epic Fail!" do
@tc.assert_output "blah\n" do
puts "blah"
@tc.flunk
end
end
end
def test_assert_output_nested_raise
@assertion_count = 2
@tc.assert_output "blah\n" do
@tc.assert_raises RuntimeError do
puts "blah"
raise "boom!"
end
end
end
def test_assert_output_nested_raise_bad
@assertion_count = 0
assert_unexpected "boom!" do
@tc.assert_raises do # 2) bypassed via UnexpectedError
@tc.assert_output "blah\n" do # 1) captures and raises UnexpectedError
puts "not_blah"
raise "boom!"
end
end
end
end
def test_assert_output_nested_raise_mismatch
# this test is redundant, but illustrative
@assertion_count = 0
assert_unexpected "boom!" do
@tc.assert_raises RuntimeError do # 2) bypassed via UnexpectedError
@tc.assert_output "blah\n" do # 1) captures and raises UnexpectedError
puts "not_blah"
raise ArgumentError, "boom!"
end
end
end
end
def test_assert_output_nested_throw_caught
@assertion_count = 2
@tc.assert_output "blah\n" do
@tc.assert_throws :boom! do
puts "blah"
throw :boom!
end
end
end
def test_assert_output_nested_throw_caught_bad
@assertion_count = 1 # want 0; can't prevent throw from escaping :(
@tc.assert_throws :boom! do # 2) captured via catch
@tc.assert_output "blah\n" do # 1) bypassed via throw
puts "not_blah"
throw :boom!
end
end
end
def test_assert_output_nested_throw_mismatch
@assertion_count = 0
assert_unexpected "uncaught throw :boom!" do
@tc.assert_throws :not_boom! do # 2) captured via assert_throws+rescue
@tc.assert_output "blah\n" do # 1) bypassed via throw
puts "not_blah"
throw :boom!
end
end
end
end
def test_assert_output_uncaught_raise
@assertion_count = 0
assert_unexpected "RuntimeError: boom!" do
@tc.assert_output "blah\n" do
puts "not_blah"
raise "boom!"
end
end
end
def test_assert_output_uncaught_throw
@assertion_count = 0
assert_unexpected "uncaught throw :boom!" do
@tc.assert_output "blah\n" do
puts "not_blah"
throw :boom!
end
end
end
def test_assert_predicate
@tc.assert_predicate "", :empty?
end
def test_assert_predicate_triggered
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_default
@tc.assert_raises do
raise StandardError, "blah"
end
end
def test_assert_raises_default_triggered
e = assert_raises Minitest::Assertion do
@tc.assert_raises do
raise SomeError, "blah"
end
end
expected = clean <<-EOM.chomp
[StandardError] exception expected, not
Class: <SomeError>
Message: <\"blah\">
---Backtrace---
FILE:LINE:in \`block in test_assert_raises_default_triggered\'
---------------
EOM
actual = e.message.gsub(/^.+:\d+/, "FILE:LINE")
actual.gsub!(RE_LEVELS, "") unless jruby?
assert_equal expected, actual
end
def test_assert_raises_exit
@tc.assert_raises SystemExit do
exit 1
end
end
def test_assert_raises_module
@tc.assert_raises MyModule do
raise AnError
end
end
def test_assert_raises_signals
@tc.assert_raises SignalException do
raise SignalException, :INT
end
end
def test_assert_raises_throw_nested_bad
@assertion_count = 0
assert_unexpected "RuntimeError: boom!" do
@tc.assert_raises do
@tc.assert_throws :blah do
raise "boom!"
throw :not_blah
end
end
end
end
##
# *sigh* This is quite an odd scenario, but it is from real (albeit
# ugly) test code in ruby-core:
# https://svn.ruby-lang.org/cgi-bin/viewvc.cgi?view=rev&revision=29259
def test_assert_raises_skip
@assertion_count = 0
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_subclass
@tc.assert_raises StandardError do
raise AnError
end
end
def test_assert_raises_subclass_triggered
e = assert_raises Minitest::Assertion do
@tc.assert_raises SomeError do
raise AnError, "some message"
end
end
expected = clean <<-EOM
[SomeError] exception expected, not
Class: <AnError>
Message: <\"some message\">
---Backtrace---
FILE:LINE:in \`block in test_assert_raises_subclass_triggered\'
---------------
EOM
actual = e.message.gsub(/^.+:\d+/, "FILE:LINE")
actual.gsub!(RE_LEVELS, "") unless jruby?
assert_equal expected.chomp, actual
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 \`block in test_assert_raises_triggered_different\'
---------------
EOM
actual = e.message.gsub(/^.+:\d+/, "FILE:LINE")
actual.gsub!(RE_LEVELS, "") unless jruby?
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 \`block in test_assert_raises_triggered_different_msg\'
---------------
EOM
actual = e.message.gsub(/^.+:\d+/, "FILE:LINE")
actual.gsub!(RE_LEVELS, "") unless jruby?
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_without_block
assert_triggered "assert_raises requires a block to capture errors." do
@tc.assert_raises StandardError
end
end
def test_assert_respond_to
@tc.assert_respond_to "blah", :empty?
end
def test_assert_respond_to_triggered
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
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"
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
assert_deprecated :assert_send do
@tc.assert_send [1, :<, 2]
end
end
def test_assert_send_bad
assert_deprecated :assert_send do
assert_triggered "Expected 1.>(*[2]) to return true." do
@tc.assert_send [1, :>, 2]
end
end
end
def test_assert_silent
@assertion_count = 2
@tc.assert_silent do
# do nothing
end
end
def test_assert_silent_triggered_err
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
assert_triggered util_msg("", "blah blah", "In stdout") do
@tc.assert_silent do
print "blah blah"
end
end
end
def test_assert_throws
v = @tc.assert_throws :blah do
throw :blah
end
assert_nil v
end
def test_assert_throws_value
v = @tc.assert_throws :blah do
throw :blah, 42
end
assert_equal 42, v
end
def test_assert_throws_argument_exception
@assertion_count = 0
assert_unexpected "ArgumentError" do
@tc.assert_throws :blah do
raise ArgumentError
end
end
end
def test_assert_throws_different
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_name_error
@assertion_count = 0
assert_unexpected "NameError" do
@tc.assert_throws :blah do
raise NameError
end
end
end
def test_assert_throws_unthrown
assert_triggered "Expected :blah to have been thrown." do
@tc.assert_throws :blah do
# do nothing
end
end
end
def test_assert_path_exists
@tc.assert_path_exists __FILE__
end
def test_assert_path_exists_triggered
assert_triggered "Expected path 'blah' to exist." do
@tc.assert_path_exists "blah"
end
end
def test_capture_io
@assertion_count = 0
non_verbose do
out, err = capture_io do
puts "hi"
$stderr.puts "bye!"
end
assert_equal "hi\n", out
assert_equal "bye!\n", err
end
end
def test_capture_subprocess_io
@assertion_count = 0
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!", err.strip
end
end
def test_class_asserts_match_refutes
@assertion_count = 0
methods = Minitest::Assertions.public_instance_methods
methods.map!(&:to_s) if Symbol === methods.first
# These don't have corresponding refutes _on purpose_. They're
# useless and will never be added, so don't bother.
ignores = %w[assert_output assert_raises assert_send
assert_silent assert_throws assert_mock]
# These are test/unit methods. I'm not actually sure why they're still here
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_delta_consistency
@assertion_count = 2
@tc.assert_in_delta 0, 1, 1
assert_triggered "Expected |0 - 1| (1) to not be <= 1." do
@tc.refute_in_delta 0, 1, 1
end
end
def test_epsilon_consistency
@assertion_count = 2
@tc.assert_in_epsilon 1.0, 1.001
msg = "Expected |1.0 - 1.001| (0.000999xxx) to not be <= 0.001."
assert_triggered msg do
@tc.refute_in_epsilon 1.0, 1.001
end
end
def assert_fail_after t
@tc.fail_after t.year, t.month, t.day, "remove the deprecations"
end
def test_fail_after
d0 = Time.now
d1 = d0 + 86_400 # I am an idiot
assert_silent do
assert_fail_after d1
end
assert_triggered "remove the deprecations" do
assert_fail_after d0
end
end
def test_flunk
assert_triggered "Epic Fail!" do
@tc.flunk
end
end
def test_flunk_message
assert_triggered @zomg do
@tc.flunk @zomg
end
end
def test_pass
@tc.pass
end
def test_refute
@assertion_count = 2
@tc.assert_equal true, @tc.refute(false), "returns true on success"
end
def test_refute_empty
@assertion_count = 2
@tc.refute_empty [1]
end
def test_refute_empty_triggered
@assertion_count = 2
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
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
x = "0.1"
assert_triggered "Expected |0.0 - 0.001| (0.001) to not be <= #{x}." do
@tc.refute_in_delta 0.0, 1.0 / 1000, 0.1
end
end
def test_refute_in_epsilon
@tc.refute_in_epsilon 10_000, 9990-1
end
def test_refute_in_epsilon_triggered
assert_triggered "Expected |10000 - 9990| (10) to not be <= 10.0." do
@tc.refute_in_epsilon 10_000, 9990
flunk
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
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
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
pattern = Object.new
def pattern.=~ _; false end
@tc.refute_match pattern, 5
end
def test_refute_match_object_triggered
@assertion_count = 2
pattern = Object.new
def pattern.=~ _; true end
def pattern.inspect; "[Object]" end
assert_triggered "Expected [Object] to not match 5." do
@tc.refute_match pattern, 5
end
end
def test_refute_match_triggered
@assertion_count = 2
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
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_bad_object
bad = Object.new
def bad.== _; true end
@tc.refute_operator true, :equal?, bad
end
def test_refute_operator_triggered
assert_triggered "Expected 2 to not be > 1." do
@tc.refute_operator 2, :>, 1
end
end
def test_refute_predicate
@tc.refute_predicate "42", :empty?
end
def test_refute_predicate_triggered
assert_triggered 'Expected "" to not be empty?.' do
@tc.refute_predicate "", :empty?
end
end
def test_refute_respond_to
@tc.refute_respond_to "blah", :rawr!
end
def test_refute_respond_to_triggered
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
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_refute_path_exists
@tc.refute_path_exists "blah"
end
def test_refute_path_exists_triggered
assert_triggered "Expected path '#{__FILE__}' to not exist." do
@tc.refute_path_exists __FILE__
end
end
def test_skip
@assertion_count = 0
assert_triggered "haha!", Minitest::Skip do
@tc.skip "haha!"
end
end
def assert_skip_until t, msg
@tc.skip_until t.year, t.month, t.day, msg
end
def test_skip_until
@assertion_count = 0
d0 = Time.now
d1 = d0 + 86_400 # I am an idiot
assert_output "", /Stale skip_until \"not yet\" at .*?:\d+$/ do
assert_skip_until d0, "not yet"
end
assert_triggered "not ready yet", Minitest::Skip do
assert_skip_until d1, "not ready yet"
end
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 TestMinitestAssertionHelpers < Minitest::Test
def assert_mu_pp exp, input, raw = false
act = mu_pp input
if String === input && !raw then
assert_equal "\"#{exp}\"", act
else
assert_equal exp, act
end
end
def assert_mu_pp_for_diff exp, input, raw = false
act = mu_pp_for_diff input
if String === input && !raw then
assert_equal "\"#{exp}\"", act
else
assert_equal exp, act
end
end
def test_diff_equal
msg = "No visible difference in the String#inspect output.
You should look at the implementation of #== on String or its members.
\"blahblahblahblahblahblahblahblahblahblah\"".gsub(/^ +/, "")
o1 = "blah" * 10
o2 = "blah" * 10
def o1.== _
false
end
assert_equal msg, diff(o1, o2)
end
def test_diff_str_mixed
msg = <<-'EOM'.gsub(/^ {10}/, "") # NOTE single quotes on heredoc
--- expected
+++ actual
@@ -1 +1 @@
-"A\\n\nB"
+"A\n\\nB"
EOM
exp = "A\\n\nB"
act = "A\n\\nB"
assert_equal msg, diff(exp, act)
end
def test_diff_str_multiline
msg = <<-'EOM'.gsub(/^ {10}/, "") # NOTE single quotes on heredoc
--- expected
+++ actual
@@ -1,2 +1,2 @@
"A
-B"
+C"
EOM
exp = "A\nB"
act = "A\nC"
assert_equal msg, diff(exp, act)
end
def test_diff_str_simple
msg = <<-'EOM'.gsub(/^ {10}/, "").chomp # NOTE single quotes on heredoc
Expected: "A"
Actual: "B"
EOM
exp = "A"
act = "B"
assert_equal msg, diff(exp, act)
end
def test_message
assert_equal "blah2.", message { "blah2" }.call
assert_equal "blah2.", message("") { "blah2" }.call
assert_equal "blah1.\nblah2.", message(:blah1) { "blah2" }.call
assert_equal "blah1.\nblah2.", message("blah1") { "blah2" }.call
message = proc { "blah1" }
assert_equal "blah1.\nblah2.", message(message) { "blah2" }.call
message = message { "blah1" }
assert_equal "blah1.\nblah2.", message(message) { "blah2" }.call
end
def test_message_deferred
var = nil
msg = message { var = "blah" }
assert_nil var
msg.call
assert_equal "blah", var
end
def test_mu_pp
assert_mu_pp 42.inspect, 42
assert_mu_pp %w[a b c].inspect, %w[a b c]
assert_mu_pp "A B", "A B"
assert_mu_pp "A\\nB", "A\nB"
assert_mu_pp "A\\\\nB", 'A\nB' # notice single quotes
end
def test_mu_pp_for_diff
assert_mu_pp_for_diff "#<Object:0xXXXXXX>", Object.new
assert_mu_pp_for_diff "A B", "A B"
assert_mu_pp_for_diff [1, 2, 3].inspect, [1, 2, 3]
assert_mu_pp_for_diff "A\nB", "A\nB"
end
def test_mu_pp_for_diff_str_bad_encoding
str = "\666".force_encoding Encoding::UTF_8
exp = "# encoding: UTF-8\n# valid: false\n\"\\xB6\""
assert_mu_pp_for_diff exp, str, :raw
end
def test_mu_pp_for_diff_str_bad_encoding_both
str = "\666A\\n\nB".force_encoding Encoding::UTF_8
exp = "# encoding: UTF-8\n# valid: false\n\"\\xB6A\\\\n\\nB\""
assert_mu_pp_for_diff exp, str, :raw
end
def test_mu_pp_for_diff_str_encoding
str = "A\nB".b
exp = "# encoding: #{Encoding::BINARY.name}\n# valid: true\n\"A\nB\""
assert_mu_pp_for_diff exp, str, :raw
end
def test_mu_pp_for_diff_str_encoding_both
str = "A\\n\nB".b
exp = "# encoding: #{Encoding::BINARY.name}\n# valid: true\n\"A\\\\n\\nB\""
assert_mu_pp_for_diff exp, str, :raw
end
def test_mu_pp_for_diff_str_nerd
assert_mu_pp_for_diff "A\\nB\\\\nC", "A\nB\\nC"
assert_mu_pp_for_diff "\\nB\\\\nC", "\nB\\nC"
assert_mu_pp_for_diff "\\nB\\\\n", "\nB\\n"
assert_mu_pp_for_diff "\\n\\\\n", "\n\\n"
assert_mu_pp_for_diff "\\\\n\\n", "\\n\n"
assert_mu_pp_for_diff "\\\\nB\\n", "\\nB\n"
assert_mu_pp_for_diff "\\\\nB\\nC", "\\nB\nC"
assert_mu_pp_for_diff "A\\\\n\\nB", "A\\n\nB"
assert_mu_pp_for_diff "A\\n\\\\nB", "A\n\\nB"
assert_mu_pp_for_diff "\\\\n\\n", "\\n\n"
assert_mu_pp_for_diff "\\n\\\\n", "\n\\n"
end
def test_mu_pp_for_diff_str_normal
assert_mu_pp_for_diff "", ""
assert_mu_pp_for_diff "A\\n\n", "A\\n"
assert_mu_pp_for_diff "A\\n\nB", "A\\nB"
assert_mu_pp_for_diff "A\n", "A\n"
assert_mu_pp_for_diff "A\nB", "A\nB"
assert_mu_pp_for_diff "\\n\n", "\\n"
assert_mu_pp_for_diff "\n", "\n"
assert_mu_pp_for_diff "\\n\nA", "\\nA"
assert_mu_pp_for_diff "\nA", "\nA"
end
def test_mu_pp_str_bad_encoding
str = "\666".force_encoding Encoding::UTF_8
exp = "# encoding: UTF-8\n# valid: false\n\"\\xB6\""
assert_mu_pp exp, str, :raw
end
def test_mu_pp_str_encoding
str = "A\nB".b
exp = "# encoding: #{Encoding::BINARY.name}\n# valid: true\n\"A\\nB\""
assert_mu_pp exp, str, :raw
end
def test_mu_pp_str_immutable
printer = Class.new { extend Minitest::Assertions }
str = "test".freeze
assert_equal '"test"', printer.mu_pp(str)
end
end
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