diff options
Diffstat (limited to 'activesupport/test/testing/method_call_assertions_test.rb')
| -rw-r--r-- | activesupport/test/testing/method_call_assertions_test.rb | 203 |
1 files changed, 203 insertions, 0 deletions
diff --git a/activesupport/test/testing/method_call_assertions_test.rb b/activesupport/test/testing/method_call_assertions_test.rb new file mode 100644 index 0000000000..669463bd31 --- /dev/null +++ b/activesupport/test/testing/method_call_assertions_test.rb @@ -0,0 +1,203 @@ +# 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 |