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https://github.com/ditkrg/active_model_serializers.git
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c0b99c980c
The `assert_serializer` test helper was added in 0.9.0.apha1[1],
and was not included in 0.10.
This patch brings back the `assert_serializer` test helper. This is the last
revision[2] that has the helper. The original helper was used as base.
[1]: https://github.com/rails-api/active_model_serializers/pull/596
[2]: 610aeb2e92
- Create the AssertSerializer
- Use the Test namespace
- Make the tests pass on the Rails master
- Rails 5 does not include `assert_template` but we need this on the tests of
the helper.
- This add the `rails-controller-testing` to keep support on `assert_template`.
- Only load test helpers in the test environment
30 lines
880 B
Markdown
30 lines
880 B
Markdown
# How to test
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## Test helpers
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ActiveModelSerializers provides a `assert_serializer` method to be used on your controller tests to
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assert that a specific serializer was used.
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```ruby
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class PostsControllerTest < ActionController::TestCase
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test "should render post serializer" do
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get :index
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assert_serializer "PostSerializer"
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# # return a custom error message
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# assert_serializer "PostSerializer", "PostSerializer not rendered"
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#
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# # assert that the instance of PostSerializer was rendered
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# assert_serializer PostSerializer
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#
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# # assert that the "PostSerializer" serializer was rendered
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# assert_serializer :post_serializer
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#
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# # assert that the rendered serializer starts with "Post"
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# assert_serializer %r{\APost.+\Z}
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#
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# # assert that no serializer was rendered
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# assert_serializer nil
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end
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end
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```
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