diff options
Diffstat (limited to 'activesupport/test/test_case_test.rb')
-rw-r--r-- | activesupport/test/test_case_test.rb | 40 |
1 files changed, 40 insertions, 0 deletions
diff --git a/activesupport/test/test_case_test.rb b/activesupport/test/test_case_test.rb index 84e4953fe2..eced622137 100644 --- a/activesupport/test/test_case_test.rb +++ b/activesupport/test/test_case_test.rb @@ -115,6 +115,35 @@ class AssertDifferenceTest < ActiveSupport::TestCase end end + def test_hash_of_expressions + assert_difference "@object.num" => 1, "@object.num + 1" => 1 do + @object.increment + end + end + + def test_hash_of_expressions_with_message + error = assert_raises Minitest::Assertion do + assert_difference({ "@object.num" => 0 }, "Object Changed") do + @object.increment + end + end + assert_equal "Object Changed.\n\"@object.num\" didn't change by 0.\nExpected: 0\n Actual: 1", error.message + end + + def test_hash_of_lambda_expressions + assert_difference -> { @object.num } => 1, -> { @object.num + 1 } => 1 do + @object.increment + end + end + + def test_hash_of_expressions_identify_failure + assert_raises(Minitest::Assertion) do + assert_difference "@object.num" => 1, "1 + 1" => 1 do + @object.increment + end + end + end + def test_assert_changes_pass assert_changes "@object.num" do @object.increment @@ -156,6 +185,16 @@ class AssertDifferenceTest < ActiveSupport::TestCase end end + def test_assert_changes_with_to_option_but_no_change_has_special_message + error = assert_raises Minitest::Assertion do + assert_changes "@object.num", to: 0 do + # no changes + end + end + + assert_equal "\"@object.num\" didn't change. It was already 0", error.message + end + def test_assert_changes_with_wrong_to_option assert_raises Minitest::Assertion do assert_changes "@object.num", to: 2 do @@ -218,6 +257,7 @@ class AssertDifferenceTest < ActiveSupport::TestCase def test_assert_changes_with_message error = assert_raises Minitest::Assertion do assert_changes "@object.num", "@object.num should 1", to: 1 do + @object.decrement end end |