Add matcher to match elements by ids
Initially added in gitlab-org/gitlab-ee!4864 and gitlab-org/gitlab-ee!4689.
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RSpec::Matchers.define :match_ids do |*expected|
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match do |actual|
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actual_ids = map_ids(actual)
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expected_ids = map_ids(expected)
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expect(actual_ids).to match_array(expected_ids)
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end
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description do
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'matches elements by ids'
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end
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def map_ids(elements)
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elements = elements.flatten if elements.respond_to?(:flatten)
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if elements.respond_to?(:map)
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elements.map(&:id)
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elsif elements.respond_to?(:id)
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[elements.id]
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else
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raise ArgumentError, "could not map elements to ids: #{elements}"
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end
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end
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end
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