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# frozen_string_literal: true
require "abstract_unit"
class MethodCallAssertionsTest < ActiveSupport::TestCase
class Level
def increment; 1; end
def decrement; end
def <<(arg); end
end
setup do
@object = Level.new
end
def test_assert_called_with_defaults_to_expect_once
assert_called @object, :increment do
@object.increment
end
end
def test_assert_called_more_than_once
assert_called(@object, :increment, times: 2) do
@object.increment
@object.increment
end
end
def test_assert_called_method_with_arguments
assert_called(@object, :<<) do
@object << 2
end
end
def test_assert_called_returns
assert_called(@object, :increment, returns: 10) do
assert_equal 10, @object.increment
end
assert_equal 1, @object.increment
end
def test_assert_called_failure
error = assert_raises(Minitest::Assertion) do
assert_called(@object, :increment) do
# Call nothing...
end
end
assert_equal "Expected increment to be called 1 times, but was called 0 times.\nExpected: 1\n Actual: 0", error.message
end
def test_assert_called_with_message
error = assert_raises(Minitest::Assertion) do
assert_called(@object, :increment, "dang it") do
# Call nothing...
end
end
assert_match(/dang it.\nExpected increment/, error.message)
end
def test_assert_called_with_arguments
assert_called_with(@object, :<<, [ 2 ]) do
@object << 2
end
end
def test_assert_called_with_arguments_and_returns
assert_called_with(@object, :<<, [ 2 ], returns: 10) do
assert_equal(10, @object << 2)
end
assert_nil(@object << 2)
end
def test_assert_called_with_failure
assert_raises(MockExpectationError) do
assert_called_with(@object, :<<, [ 4567 ]) do
@object << 2
end
end
end
def test_assert_called_with_multiple_expected_arguments
assert_called_with(@object, :<<, [ [ 1 ], [ 2 ] ]) do
@object << 1
@object << 2
end
end
def test_assert_called_on_instance_of_with_defaults_to_expect_once
assert_called_on_instance_of Level, :increment do
@object.increment
end
end
def test_assert_called_on_instance_of_more_than_once
assert_called_on_instance_of(Level, :increment, times: 2) do
@object.increment
@object.increment
end
end
def test_assert_called_on_instance_of_with_arguments
assert_called_on_instance_of(Level, :<<) do
@object << 2
end
end
def test_assert_called_on_instance_of_returns
assert_called_on_instance_of(Level, :increment, returns: 10) do
assert_equal 10, @object.increment
end
assert_equal 1, @object.increment
end
def test_assert_called_on_instance_of_failure
error = assert_raises(Minitest::Assertion) do
assert_called_on_instance_of(Level, :increment) do
# Call nothing...
end
end
assert_equal "Expected increment to be called 1 times, but was called 0 times.\nExpected: 1\n Actual: 0", error.message
end
def test_assert_called_on_instance_of_with_message
error = assert_raises(Minitest::Assertion) do
assert_called_on_instance_of(Level, :increment, "dang it") do
# Call nothing...
end
end
assert_match(/dang it.\nExpected increment/, error.message)
end
def test_assert_called_on_instance_of_nesting
assert_called_on_instance_of(Level, :increment, times: 3) do
assert_called_on_instance_of(Level, :decrement, times: 2) do
@object.increment
@object.decrement
@object.increment
@object.decrement
@object.increment
end
end
end
def test_assert_not_called
assert_not_called(@object, :decrement) do
@object.increment
end
end
def test_assert_not_called_failure
error = assert_raises(Minitest::Assertion) do
assert_not_called(@object, :increment) do
@object.increment
end
end
assert_equal "Expected increment to be called 0 times, but was called 1 times.\nExpected: 0\n Actual: 1", error.message
end
def test_assert_not_called_on_instance_of
assert_not_called_on_instance_of(Level, :decrement) do
@object.increment
end
end
def test_assert_not_called_on_instance_of_failure
error = assert_raises(Minitest::Assertion) do
assert_not_called_on_instance_of(Level, :increment) do
@object.increment
end
end
assert_equal "Expected increment to be called 0 times, but was called 1 times.\nExpected: 0\n Actual: 1", error.message
end
def test_assert_not_called_on_instance_of_nesting
assert_not_called_on_instance_of(Level, :increment) do
assert_not_called_on_instance_of(Level, :decrement) do
# Call nothing...
end
end
end
def test_stub_any_instance
stub_any_instance(Level) do |instance|
assert_equal instance, Level.new
end
end
def test_stub_any_instance_with_instance
stub_any_instance(Level, instance: @object) do |instance|
assert_equal @object, instance
assert_equal instance, Level.new
end
end
end
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