Created
September 25, 2023 08:17
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RSpec - Include Json matcher
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| RSpec::Matchers.define :include_json do |expected| | |
| match do |response| | |
| values_match? expected.deep_stringify_keys, Oj.load(response.body) | |
| end | |
| diffable | |
| # TODO: Make more informative failure massage with difference between actual and expected | |
| failure_message do |response| | |
| "response body: " \ | |
| "#{JSON.pretty_generate(Oj.load(response.body))} " \ | |
| "doesn't match with: " \ | |
| "#{JSON.pretty_generate(expected.deep_stringify_keys)}" | |
| end | |
| description do | |
| "response #{expected.inspect}" | |
| end | |
| end | |
| __END__ | |
| Expamples: | |
| RSpec.descriver AnyController do | |
| describe '#index' do | |
| subject(:response) { get :index } | |
| let(:expectation) do | |
| { | |
| # TODO: #match_array used to avoid issues with sorting and require using string keys in array | |
| # TODO: Try to avoid using #match_array or stringify keys | |
| list: match_array([ | |
| { 'id': 1 }, | |
| { 'id': 2 } | |
| ]) | |
| } | |
| end | |
| specify { expect(response).to have_http_status(:success) & include_json(expectation) } | |
| end | |
| end |
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