53 lines
1.4 KiB
Ruby
53 lines
1.4 KiB
Ruby
# frozen_string_literal: true
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require 'spec_helper'
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describe ManualInverseAssociation do
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let(:model) do
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Class.new(MergeRequest) do
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belongs_to :manual_association, class_name: 'MergeRequestDiff', foreign_key: :latest_merge_request_diff_id
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manual_inverse_association :manual_association, :merge_request
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end
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end
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before do
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stub_const("#{described_class}::Model", model)
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end
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let(:instance) { create(:merge_request).becomes(model) }
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describe '.manual_inverse_association' do
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context 'when the relation exists' do
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before do
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instance.create_merge_request_diff
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instance.reload
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end
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it 'loads the relation' do
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expect(instance.manual_association).to be_an_instance_of(MergeRequestDiff)
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end
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it 'does not perform extra queries after loading' do
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instance.manual_association
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expect { instance.manual_association.merge_request }
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.not_to exceed_query_limit(0)
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end
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it 'allows reloading the relation' do
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query_count = ActiveRecord::QueryRecorder.new do
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instance.manual_association
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instance.reload_manual_association
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end.count
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expect(query_count).to eq(2)
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end
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end
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context 'when the relation does not return a value' do
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it 'does not try to set an inverse' do
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expect(instance.manual_association).to be_nil
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end
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end
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end
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end
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