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|
$ok_test = 0
$ko_test = 0
$kill_test = 0
$asserts = []
$test_start = Time.now if Object.const_defined?(:Time)
# Implementation of print due to the reason that there might be no print
def t_print(*args)
i = 0
len = args.size
while i < len
str = args[i].to_s
__t_printstr__ str rescue print str
i += 1
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 != ''
msg += " => #{e.message}" if e
msg += " (mrbgems: #{GEMNAME})" if Object.const_defined?(:GEMNAME)
if $mrbtest_assert && $mrbtest_assert.size > 0
$mrbtest_assert.each do |idx, assert_msg, diff|
msg += "\n - Assertion[#{idx}] Failed: #{assert_msg}\n#{diff}"
end
end
msg += "\nbacktrace:\n\t#{bt.join("\n\t")}" if bt
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 = 'Assertion failed', iso = '')
t_print(str, (iso != '' ? " [#{iso}]" : ''), ' : ') if $mrbtest_verbose
begin
$mrbtest_assert = []
$mrbtest_assert_idx = 0
yield
if($mrbtest_assert.size > 0)
$asserts.push(assertion_string('Fail: ', str, iso, nil))
$ko_test += 1
t_print('F')
else
$ok_test += 1
t_print('.')
end
rescue Exception => e
bt = e.backtrace if $mrbtest_verbose
if e.class.to_s == 'MRubyTestSkip'
$asserts.push "Skip: #{str} #{iso} #{e.cause}"
t_print('?')
else
$asserts.push(assertion_string("#{e.class}: ", str, iso, e, bt))
$kill_test += 1
t_print('X')
end
ensure
$mrbtest_assert = 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(ret, msg = nil, diff = nil)
if $mrbtest_assert
$mrbtest_assert_idx += 1
unless ret
msg = "Expected #{ret.inspect} to be true" unless msg
diff = assertion_diff(true, ret) unless diff
$mrbtest_assert.push([$mrbtest_assert_idx, msg, diff])
end
end
ret
end
def assert_false(ret, msg = nil, diff = nil)
if $mrbtest_assert
$mrbtest_assert_idx += 1
if ret
msg = "Expected #{ret.inspect} to be false" unless msg
diff = assertion_diff(false, ret) unless diff
$mrbtest_assert.push([$mrbtest_assert_idx, msg, diff])
end
end
!ret
end
def assert_equal(arg1, arg2 = nil, arg3 = nil)
if block_given?
exp, act, msg = arg1, yield, arg2
else
exp, act, msg = arg1, arg2, arg3
end
msg = "Expected to be equal" unless msg
diff = assertion_diff(exp, act)
assert_true(exp == act, msg, diff)
end
def assert_not_equal(arg1, arg2 = nil, arg3 = nil)
if block_given?
exp, act, msg = arg1, yield, arg2
else
exp, act, msg = arg1, arg2, arg3
end
msg = "Expected to be not equal" unless msg
diff = assertion_diff(exp, act)
assert_false(exp == act, msg, diff)
end
def assert_nil(obj, msg = nil)
msg = "Expected #{obj.inspect} to be nil" unless msg
diff = assertion_diff(nil, obj)
assert_true(obj.nil?, msg, diff)
end
def assert_include(collection, obj, msg = nil)
msg = "Expected #{collection.inspect} to include #{obj.inspect}" unless msg
diff = " Collection: #{collection.inspect}\n" +
" Object: #{obj.inspect}"
assert_true(collection.include?(obj), msg, diff)
end
def assert_not_include(collection, obj, msg = nil)
msg = "Expected #{collection.inspect} to not include #{obj.inspect}" unless msg
diff = " Collection: #{collection.inspect}\n" +
" Object: #{obj.inspect}"
assert_false(collection.include?(obj), msg, diff)
end
def assert_raise(*exc)
return true unless $mrbtest_assert
$mrbtest_assert_idx += 1
msg = (exc.last.is_a? String) ? exc.pop : nil
begin
yield
msg ||= "Expected to raise #{exc} but nothing was raised."
diff = nil
$mrbtest_assert.push [$mrbtest_assert_idx, msg, diff]
false
rescue *exc
true
rescue Exception => e
msg ||= "Expected to raise #{exc}, not"
diff = " Class: <#{e.class}>\n" +
" Message: #{e.message}"
$mrbtest_assert.push [$mrbtest_assert_idx, msg, diff]
false
end
end
def assert_nothing_raised(msg = nil)
return true unless $mrbtest_assert
$mrbtest_assert_idx += 1
begin
yield
true
rescue Exception => e
msg ||= "Expected not to raise #{exc.join(', ')} but it raised"
diff = " Class: <#{e.class}>\n" +
" Message: #{e.message}"
$mrbtest_assert.push [$mrbtest_assert_idx, msg, diff]
false
end
end
##
# Fails unless +obj+ is a kind of +cls+.
def assert_kind_of(cls, obj, msg = nil)
msg = "Expected #{obj.inspect} to be a kind of #{cls}, not #{obj.class}" unless msg
diff = assertion_diff(cls, obj.class)
assert_true(obj.kind_of?(cls), msg, diff)
end
##
# Fails unless +exp+ is equal to +act+ in terms of a Float
def assert_float(exp, act, msg = nil)
msg = "Float #{exp} expected to be equal to float #{act}" unless msg
diff = assertion_diff(exp, act)
assert_true check_float(exp, act), 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+$kill_test
t_print("Total: #{$total_test}\n")
t_print(" OK: #{$ok_test}\n")
t_print(" KO: #{$ko_test}\n")
t_print("Crash: #{$kill_test}\n")
if Object.const_defined?(:Time)
t_time = Time.now - $test_start
t_print(" Time: #{t_time.round(2)} seconds\n")
end
end
##
# Performs fuzzy check for equality on methods returning floats
def check_float(a, b)
tolerance = Mrbtest::FLOAT_TOLERANCE
a = a.to_f
b = b.to_f
if a.finite? and b.finite?
(a-b).abs < tolerance
else
true
end
end
##
# Skip the test
class MRubyTestSkip < NotImplementedError
attr_accessor :cause
def initialize(cause)
@cause = cause
end
end
def skip(cause = "")
raise MRubyTestSkip.new(cause)
end
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