cheatsheets/minitest.md

title: Minitest

Usage

require 'minitest/autorun'

describe "X" do
  it "should work" do
    assert true
  end
end

Specs

a.must_equal b
3.must_be_close_to 2.99999

collection.must_include needle
collection.must_be_empty

.must_be_kind_of
.must_match
a.must_be :<=, 42
obj.must_respond_to msg
a.must_be_same_as b

proc { ... }.must_output out_or_nil [, err]
proc { ... }.must_raise exception
proc { ... }.must_throw sym

Wont is the inverse of must:

a.must_equal b
a.wont_equal b