It’s where you hide your “assertions”.
Please note, because of the way that expectations are implemented, all expectations (eg must_equal) are dependent upon a thread local variable :current_spec. If your specs rely on mixing threads into the specs themselves, you’re better off using assertions. For example:
it "should still work in threads" do my_threaded_thingy do (1+1).must_equal 2 # bad assert_equal 2, 1+1 # good end end
See Minitest::Assertions#assert_operator
n.must_be :<=, 42
This can also do predicates:
str.must_be :empty?
# File lib/minitest/expectations.rb, line 112 infect_an_assertion :assert_operator, :must_be, :reverse
See Minitest::Assertions#assert_in_delta
n.must_be_close_to m [, delta]
# File lib/minitest/expectations.rb, line 43 infect_an_assertion :assert_in_delta, :must_be_close_to
See Minitest::Assertions#assert_empty.
collection.must_be_empty
# File lib/minitest/expectations.rb, line 25 infect_an_assertion :assert_empty, :must_be_empty, :unary
See Minitest::Assertions#assert_instance_of
obj.must_be_instance_of klass
# File lib/minitest/expectations.rb, line 72 infect_an_assertion :assert_instance_of, :must_be_instance_of
See Minitest::Assertions#assert_kind_of
obj.must_be_kind_of mod
# File lib/minitest/expectations.rb, line 81 infect_an_assertion :assert_kind_of, :must_be_kind_of
See Minitest::Assertions#assert_nil
obj.must_be_nil
# File lib/minitest/expectations.rb, line 99 infect_an_assertion :assert_nil, :must_be_nil, :unary
See Minitest::Assertions#assert_same
a.must_be_same_as b
# File lib/minitest/expectations.rb, line 148 infect_an_assertion :assert_same, :must_be_same_as
See Minitest::Assertions#assert_silent
proc { ... }.must_be_silent
# File lib/minitest/expectations.rb, line 157 infect_an_assertion :assert_silent, :must_be_silent
See Minitest::Assertions#assert_in_epsilon
n.must_be_within_epsilon m [, epsilon]
# File lib/minitest/expectations.rb, line 54 infect_an_assertion :assert_in_epsilon, :must_be_within_epsilon
See Minitest::Assertions#assert_equal
a.must_equal b
# File lib/minitest/expectations.rb, line 34 infect_an_assertion :assert_equal, :must_equal
See Minitest::Assertions#assert_includes
collection.must_include obj
# File lib/minitest/expectations.rb, line 63 infect_an_assertion :assert_includes, :must_include, :reverse
See Minitest::Assertions#assert_match
a.must_match b
# File lib/minitest/expectations.rb, line 90 infect_an_assertion :assert_match, :must_match
See Minitest::Assertions#assert_output
proc { ... }.must_output out_or_nil [, err]
# File lib/minitest/expectations.rb, line 121 infect_an_assertion :assert_output, :must_output
See Minitest::Assertions#assert_raises
proc { ... }.must_raise exception
# File lib/minitest/expectations.rb, line 130 infect_an_assertion :assert_raises, :must_raise
See Minitest::Assertions#assert_respond_to
obj.must_respond_to msg
# File lib/minitest/expectations.rb, line 139 infect_an_assertion :assert_respond_to, :must_respond_to, :reverse
See Minitest::Assertions#assert_throws
proc { ... }.must_throw sym
# File lib/minitest/expectations.rb, line 166 infect_an_assertion :assert_throws, :must_throw
See Minitest::Assertions#refute_operator
n.wont_be :<=, 42
This can also do predicates:
str.wont_be :empty?
# File lib/minitest/expectations.rb, line 262 infect_an_assertion :refute_operator, :wont_be, :reverse
See Minitest::Assertions#refute_in_delta
n.wont_be_close_to m [, delta]
# File lib/minitest/expectations.rb, line 193 infect_an_assertion :refute_in_delta, :wont_be_close_to
See Minitest::Assertions#refute_empty
collection.wont_be_empty
# File lib/minitest/expectations.rb, line 175 infect_an_assertion :refute_empty, :wont_be_empty, :unary
See Minitest::Assertions#refute_instance_of
obj.wont_be_instance_of klass
# File lib/minitest/expectations.rb, line 222 infect_an_assertion :refute_instance_of, :wont_be_instance_of
See Minitest::Assertions#refute_kind_of
obj.wont_be_kind_of mod
# File lib/minitest/expectations.rb, line 231 infect_an_assertion :refute_kind_of, :wont_be_kind_of
See Minitest::Assertions#refute_nil
obj.wont_be_nil
# File lib/minitest/expectations.rb, line 249 infect_an_assertion :refute_nil, :wont_be_nil, :unary
See Minitest::Assertions#refute_same
a.wont_be_same_as b
# File lib/minitest/expectations.rb, line 280 infect_an_assertion :refute_same, :wont_be_same_as
See Minitest::Assertions#refute_in_epsilon
n.wont_be_within_epsilon m [, epsilon]
# File lib/minitest/expectations.rb, line 204 infect_an_assertion :refute_in_epsilon, :wont_be_within_epsilon
See Minitest::Assertions#refute_equal
a.wont_equal b
# File lib/minitest/expectations.rb, line 184 infect_an_assertion :refute_equal, :wont_equal
See Minitest::Assertions#refute_includes
collection.wont_include obj
# File lib/minitest/expectations.rb, line 213 infect_an_assertion :refute_includes, :wont_include, :reverse
See Minitest::Assertions#refute_match
a.wont_match b
# File lib/minitest/expectations.rb, line 240 infect_an_assertion :refute_match, :wont_match
See Minitest::Assertions#refute_respond_to
obj.wont_respond_to msg
# File lib/minitest/expectations.rb, line 271 infect_an_assertion :refute_respond_to, :wont_respond_to, :reverse
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