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assert.rb
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404 lines (362 loc) · 10.7 KB
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$undefined = Object.new
$ok_test = 0
$ko_test = 0
$kill_test = 0
$warning_test = 0
$skip_test = 0
$asserts = []
$test_start = Time.now if Object.const_defined?(:Time)
# For bintest on Ruby
unless RUBY_ENGINE == "mruby"
def t_print(*args)
print(*args)
$stdout.flush
nil
end
def _str_match?(pattern, str)
File.fnmatch?(pattern, str, File::FNM_EXTGLOB|File::FNM_DOTMATCH)
end
end
class Array
def _assertion_join
join("-")
end
end
class String
def _assertion_indent(indent)
indent = indent.to_s
off = 0
str = self
while nl = index("\n", off)
nl += 1
nl += 1 while slice(nl) == "\n"
break if nl >= size
str = indent.dup if off == 0
str += slice(off, nl - off) + indent
off = nl
end
if off == 0
str = indent + self
else
str += slice(off..-1)
end
str
end
end
##
# Create the assertion in a readable way
def assertion_string(err, str, iso=nil, e=nil, bt=nil)
msg = "#{err}#{str}"
msg += " [#{iso}]" if iso && !iso.empty?
msg += " => #{e}" if e && !e.to_s.empty?
if Object.const_defined?(:GEMNAME)
msg += " (#{GEMNAME == 'mruby-test' ? 'core' : "mrbgems: #{GEMNAME}"})"
end
if $mrbtest_assert
$mrbtest_assert.each do |idx, assert_msg, diff|
msg += "\n - Assertion[#{idx}]"
msg += " #{assert_msg}." if assert_msg && !assert_msg.empty?
msg += "\n#{diff}" if diff && !diff.empty?
end
end
msg += "\nbacktrace:\n #{bt.join("\n ")}" if bt && !bt.empty?
msg
end
##
# Verify a code block.
#
# str : A remark which will be printed in case
# this assertion fails
# iso : The ISO reference code of the feature
# which will be tested by this
# assertion
def assert(str = 'assert', iso = '')
t_print(str, (iso != '' ? " [#{iso}]" : ''), ' : ') if $mrbtest_verbose
begin
$mrbtest_child_noassert ||= [0]
$mrbtest_child_noassert << 0
parent_asserts = $asserts
$asserts = []
parent_mrbtest_assert = $mrbtest_assert
$mrbtest_assert = []
if $mrbtest_assert_idx && !$mrbtest_assert_idx.empty?
$mrbtest_assert_idx[-1] += 1
$mrbtest_assert_idx << 0
else
$mrbtest_assert_idx = [0]
class << $mrbtest_assert_idx
alias to_s _assertion_join
end
end
yield
if $mrbtest_assert.size > 0
if $mrbtest_assert.size == $mrbtest_child_noassert[-1]
$asserts.push(assertion_string('Skip: ', str, iso))
$mrbtest_child_noassert[-2] += 1
$skip_test += 1
t_print('?')
else
$asserts.push(assertion_string('Fail: ', str, iso))
$ko_test += 1
t_print('F')
end
elsif $mrbtest_assert_idx[-1] == 0
$asserts.push(assertion_string('Warn: ', str, iso, 'no assertion'))
$warning_test += 1
t_print('W')
else
$ok_test += 1
t_print('.')
end
rescue MRubyTestSkip => e
$asserts.push(assertion_string('Skip: ', str, iso, e))
$skip_test += 1
$mrbtest_child_noassert[-2] += 1
t_print('?')
rescue Exception => e
$asserts.push(assertion_string("#{e.class}: ", str, iso, e, e.backtrace))
$kill_test += 1
t_print('X')
ensure
if $mrbtest_assert_idx.size > 1
$asserts.each do |mesg|
idx = $mrbtest_assert_idx[0..-2]._assertion_join
mesg = mesg._assertion_indent(" ")
# Give `mesg` as a `diff` argument to avoid adding extra periods.
parent_mrbtest_assert << [idx, nil, mesg]
end
else
parent_asserts.concat $asserts
end
$asserts = parent_asserts
$mrbtest_assert = parent_mrbtest_assert
$mrbtest_assert_idx.pop
$mrbtest_assert_idx = nil if $mrbtest_assert_idx.empty?
$mrbtest_child_noassert.pop
nil
end
t_print("\n") if $mrbtest_verbose
end
def assertion_diff(exp, act)
" Expected: #{exp.inspect}\n" \
" Actual: #{act.inspect}"
end
def assert_true(obj, msg = nil, diff = nil)
if $mrbtest_assert_idx && $mrbtest_assert_idx.size > 0
$mrbtest_assert_idx[-1] += 1
unless obj == true
diff ||= " Expected #{obj.inspect} to be true."
$mrbtest_assert.push([$mrbtest_assert_idx.to_s, msg, diff])
end
end
obj
end
def assert_false(obj, msg = nil, diff = nil)
unless obj == false
diff ||= " Expected #{obj.inspect} to be false."
end
assert_true(!obj, msg, diff)
end
def assert_equal(exp, act_or_msg = nil, msg = nil, &block)
ret, exp, act, msg = _eval_assertion(:==, exp, act_or_msg, msg, block)
unless ret
diff = assertion_diff(exp, act)
end
assert_true(ret, msg, diff)
end
def assert_not_equal(exp, act_or_msg = nil, msg = nil, &block)
ret, exp, act, msg = _eval_assertion(:==, exp, act_or_msg, msg, block)
if ret
diff = " Expected #{act.inspect} to not be equal to #{exp.inspect}."
end
assert_true(!ret, msg, diff)
end
def assert_same(*args); _assert_same(true, *args) end
def assert_not_same(*args); _assert_same(false, *args) end
def _assert_same(affirmed, exp, act, msg = nil)
unless ret = exp.equal?(act) == affirmed
exp_str, act_str = [exp, act].map do |o|
"#{o.inspect} (class=#{o.class}, oid=#{o.__id__})"
end
diff = " Expected #{act_str} to #{'not ' unless affirmed}be the same as #{exp_str}."
end
assert_true(ret, msg, diff)
end
def assert_nil(obj, msg = nil)
unless ret = obj.nil?
diff = " Expected #{obj.inspect} to be nil."
end
assert_true(ret, msg, diff)
end
def assert_not_nil(obj, msg = nil)
if ret = obj.nil?
diff = " Expected #{obj.inspect} to not be nil."
end
assert_false(ret, msg, diff)
end
def assert_include(*args); _assert_include(true, *args) end
def assert_not_include(*args); _assert_include(false, *args) end
def _assert_include(affirmed, collection, obj, msg = nil)
unless ret = collection.include?(obj) == affirmed
diff = " Expected #{collection.inspect} to #{'not ' unless affirmed}include #{obj.inspect}."
end
assert_true(ret, msg, diff)
end
def assert_predicate(*args); _assert_predicate(true, *args) end
def assert_not_predicate(*args); _assert_predicate(false, *args) end
def _assert_predicate(affirmed, obj, op, msg = nil)
unless ret = obj.__send__(op) == affirmed
diff = " Expected #{obj.inspect} to #{'not ' unless affirmed}be #{op}."
end
assert_true(ret, msg, diff)
end
def assert_operator(*args); _assert_operator(true, *args) end
def assert_not_operator(*args); _assert_operator(false, *args) end
def _assert_operator(affirmed, obj1, op, obj2 = $undefined, msg = nil)
return _assert_predicate(affirmed, obj1, op, msg) if $undefined.equal?(obj2)
unless ret = obj1.__send__(op, obj2) == affirmed
diff = " Expected #{obj1.inspect} to #{'not ' unless affirmed}be #{op} #{obj2.inspect}."
end
assert_true(ret, msg, diff)
end
##
# Fail unless `str` matches against `pattern`.
#
# `pattern` is interpreted as pattern for File.fnmatch?. It may contain the
# following metacharacters:
#
# `*` ::
# Matches any string.
#
# `?` ::
# Matches any one character.
#
# `[_SET_]`, `[^_SET_]` (`[!_SET_]`) ::
# Matches any one character in _SET_. Behaves like character sets in
# Regexp, including set negation (`[^a-z]`).
#
# `{_A_,_B_}` ::
# Matches pattern _A_ or pattern _B_.
#
# ` \ ` ::
# Escapes the next character.
def assert_match(*args); _assert_match(true, *args) end
def assert_not_match(*args); _assert_match(false, *args) end
def _assert_match(affirmed, pattern, str, msg = nil)
unless ret = _str_match?(pattern, str) == affirmed
diff = " Expected #{pattern.inspect} to #{'not ' unless affirmed}match #{str.inspect}."
end
assert_true(ret, msg, diff)
end
##
# Fails unless `obj` is a kind of `cls`.
def assert_kind_of(cls, obj, msg = nil)
unless ret = obj.kind_of?(cls)
diff = " Expected #{obj.inspect} to be a kind of #{cls}, not #{obj.class}."
end
assert_true(ret, msg, diff)
end
##
# Fails unless `exp` is equal to `act` in terms of a Float
def assert_float(exp, act, msg = nil)
e, a = exp.to_f, act.to_f
if e.finite? && a.finite? && (n = (e - a).abs) > Mrbtest::FLOAT_TOLERANCE
flunk(msg, " Expected |#{exp} - #{act}| (#{n}) to be <= #{Mrbtest::FLOAT_TOLERANCE}.")
elsif (e.infinite? || a.infinite?) && e != a ||
e.nan? && !a.nan? || !e.nan? && a.nan?
flunk(msg, " Expected #{act} to be #{exp}.")
else
pass
end
end
def assert_raise(*exc)
msg = (exc.last.is_a? String) ? exc.pop : nil
exc = exc.empty? ? StandardError : exc.size == 1 ? exc[0] : exc
begin
yield
rescue *exc => e
pass
e
rescue Exception => e
diff = " #{exc} exception expected, not\n" \
" Class: <#{e.class}>\n" \
" Message: <#{e}>"
flunk(msg, diff)
else
diff = " #{exc} expected but nothing was raised."
flunk(msg, diff)
end
end
def assert_nothing_raised(msg = nil)
begin
yield
rescue Exception => e
diff = " Exception raised:\n" \
" Class: <#{e.class}>\n" \
" Message: <#{e}>"
flunk(msg, diff)
else
pass
end
end
def assert_raise_with_message(*args, &block)
_assert_raise_with_message(:plain, *args, &block)
end
def assert_raise_with_message_pattern(*args, &block)
_assert_raise_with_message(:pattern, *args, &block)
end
def _assert_raise_with_message(type, exc, exp_msg, msg = nil, &block)
e = msg ? assert_raise(exc, msg, &block) : assert_raise(exc, &block)
e ? ($mrbtest_assert_idx[-1]-=1) : (return e)
err_msg = e.message
unless ret = type == :pattern ? _str_match?(exp_msg, err_msg) : exp_msg == err_msg
diff = " Expected Exception(#{exc}) was raised, but the message doesn't match.\n"
if type == :pattern
diff += " Expected #{exp_msg.inspect} to match #{err_msg.inspect}."
else
diff += assertion_diff(exp_msg, err_msg)
end
end
assert_true(ret, msg, diff)
end
def pass
assert_true(true)
end
def flunk(msg = "Epic Fail!", diff = "")
assert_true(false, msg, diff)
end
##
# Report the test result and print all assertions
# which were reported broken.
def report
t_print("\n")
$asserts.each do |msg|
t_print("#{msg}\n")
end
$total_test = $ok_test + $ko_test + $kill_test + $warning_test + $skip_test
t_print(" Total: #{$total_test}\n")
t_print(" OK: #{$ok_test}\n")
t_print(" KO: #{$ko_test}\n")
t_print(" Crash: #{$kill_test}\n")
t_print("Warning: #{$warning_test}\n")
t_print(" Skip: #{$skip_test}\n")
if Object.const_defined?(:Time)
t_time = Time.now - $test_start
t_print(" Time: #{t_time.round(2)} seconds\n")
end
$ko_test == 0 && $kill_test == 0
end
def _eval_assertion(meth, exp, act_or_msg, msg, block)
if block
exp, act, msg = exp, block.call, act_or_msg
else
exp, act, msg = exp, act_or_msg, msg
end
return exp.__send__(meth, act), exp, act, msg
end
##
# Skip the test
class MRubyTestSkip < NotImplementedError; end
def skip(cause = "")
raise MRubyTestSkip.new(cause)
end