mruby/test/assert.rb at master · tmash06/mruby · GitHub

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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

begin

__printstr__ str

rescue NoMethodError

__t_printstr__ str rescue print str

end

i += 1

end

# Create the assertion in a readable way

def assertion_string(err, str, iso=nil, e=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, str, diff|

msg += "\n - Assertion[#{idx}] Failed: #{str}\n#{diff}"

end

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

if(!yield || $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

if e.class.to_s == 'MRubyTestSkip'

$asserts.push "Skip: #{str} #{iso} #{e.cause}"

t_print('?')

else

$asserts.push(assertion_string('Error: ', str, iso, e))

$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

if !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

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

!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(*exp)

ret = true

if $mrbtest_assert

$mrbtest_assert_idx += 1

msg = exp.last.class == String ? exp.pop : nil

msg = msg.to_s + " : " if msg

should_raise = false

begin

yield

should_raise = true

rescue Exception => e

msg = "#{msg}#{exp.inspect} exception expected, not"

diff = " Class: <#{e.class}>\n" +

" Message: #{e.message}"

if not exp.any?{|ex| ex.instance_of?(Module) ? e.kind_of?(ex) : ex == e.class }

$mrbtest_assert.push([$mrbtest_assert_idx, msg, diff])

ret = false

end

exp = exp.first if exp.first

if should_raise

msg = "#{msg}#{exp.inspect} expected but nothing was raised."

$mrbtest_assert.push([$mrbtest_assert_idx, msg, nil])

ret = false

end

ret

end

def assert_nothing_raised(*exp)

ret = true

if $mrbtest_assert

$mrbtest_assert_idx += 1

msg = exp.last.class == String ? exp.pop : ""

begin

yield

rescue Exception => e

msg = "#{msg} exception raised."

diff = " Class: <#{e.class}>\n" +

" Message: #{e.message}"

$mrbtest_assert.push([$mrbtest_assert_idx, msg, diff])

ret = false

end

ret

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|

puts msg

end

$total_test = $ok_test.+($ko_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_print(" Time: #{Time.now - $test_start} seconds\n")

end

# Performs fuzzy check for equality on methods returning floats

def check_float(a, b)

tolerance = 1e-12

a = a.to_f

b = b.to_f

if a.finite? and b.finite?

(a-b).abs < tolerance

else

true

end

# Skip the test

class MRubyTestSkip < NotImplementedError

attr_accessor :cause

def initialize(cause)

@cause = cause

end

def skip(cause = "")

raise MRubyTestSkip.new(cause)

end

mruby/test/assert.rb at master · tmash06/mruby · GitHub

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