cheat sheets.

$ command line ruby cheat sheets
### test

capture_io
flunk msg = nil
pass  msg = nil
skip  msg = nil, bt = caller

assert             test, msg = nil
assert_block       msg = nil
assert_empty       obj, msg = nil
assert_equal       exp, act, msg = nil
assert_in_delta    exp, act, delta = 0.001, msg = nil
assert_in_epsilon  a, b, epsilon = 0.001, msg = nil
assert_includes    collection, obj, msg = nil
assert_instance_of cls, obj, msg = nil
assert_kind_of     cls, obj, msg = nil
assert_match       exp, act, msg = nil
assert_nil         obj, msg = nil
assert_operator    o1, op, o2, msg = nil
assert_output      stdout = nil, stderr = nil
assert_raises      *exp
assert_respond_to  obj, meth, msg = nil
assert_same        exp, act, msg = nil
assert_send        send_ary, m = nil
assert_silent
assert_throws      sym, msg = nil

refute             test, msg = nil
refute_empty       obj, msg = nil
refute_equal       exp, act, msg = nil
refute_in_delta    exp, act, delta = 0.001, msg = nil
refute_in_epsilon  a, b, epsilon = 0.001, msg = nil
refute_includes    collection, obj, msg = nil
refute_instance_of cls, obj, msg = nil
refute_kind_of     cls, obj, msg = nil
refute_match       exp, act, msg = nil
refute_nil         obj, msg = nil
refute_operator    o1, op, o2, msg = nil
refute_respond_to  obj, meth, msg = nil
refute_same        exp, act, msg = nil

### spec

must_be                -> assert_operator
must_be_close_to       -> assert_in_delta
must_be_empty          -> assert_empty
must_be_instance_of    -> assert_instance_of
must_be_kind_of        -> assert_kind_of
must_be_nil            -> assert_nil
must_be_same_as        -> assert_same
must_be_silent         -> assert_silent
must_be_within_delta   -> assert_in_delta
must_be_within_epsilon -> assert_in_epsilon
must_equal             -> assert_equal
must_include           -> assert_includes
must_match             -> assert_match
must_output            -> assert_output
must_raise             -> assert_raises
must_respond_to        -> assert_respond_to
must_send              -> assert_send
must_throw             -> assert_throws

wont_be                -> refute_operator
wont_be_close_to       -> refute_in_delta
wont_be_empty          -> refute_empty
wont_be_instance_of    -> refute_instance_of
wont_be_kind_of        -> refute_kind_of
wont_be_nil            -> refute_nil
wont_be_same_as        -> refute_same
wont_be_within_delta   -> refute_in_delta
wont_be_within_epsilon -> refute_in_epsilon
wont_equal             -> refute_equal
wont_include           -> refute_includes
wont_match             -> refute_match
wont_respond_to        -> refute_respond_to

### mock

expect(name, retval, args=[])
verify