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-rw-r--r--activesupport/test/testing/method_call_assertions_test.rb123
1 files changed, 123 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..3e5ba7c079
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+++ b/activesupport/test/testing/method_call_assertions_test.rb
@@ -0,0 +1,123 @@
+require 'abstract_unit'
+require 'active_support/testing/method_call_assertions'
+
+class MethodCallAssertionsTest < ActiveSupport::TestCase
+ include ActiveSupport::Testing::MethodCallAssertions
+
+ 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
+ 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
+ assert_called_with(@object, :increment) do
+ @object.increment
+ end
+ end
+
+ def test_assert_called_with_arguments
+ assert_called_with(@object, :<<, [ 2 ]) do
+ @object << 2
+ end
+ 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_returns
+ assert_called_with(@object, :increment, returns: 1) do
+ @object.increment
+ 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_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_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