80 lines
2.3 KiB
Ruby
80 lines
2.3 KiB
Ruby
# frozen_string_literal: true
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require 'fast_spec_helper'
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require 'test_prof/recipes/rspec/let_it_be'
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RSpec.describe ::Gitlab::Graphql::BatchKey do
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let_it_be(:rect) { Struct.new(:len, :width) }
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let_it_be(:circle) { Struct.new(:radius) }
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let(:lookahead) { nil }
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let(:object) { rect.new(2, 3) }
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subject { described_class.new(object, lookahead, object_name: :rect) }
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it 'is equal to keys of the same object, regardless of lookahead or object name' do
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expect(subject).to eq(described_class.new(rect.new(2, 3)))
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expect(subject).to eq(described_class.new(rect.new(2, 3), :anything))
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expect(subject).to eq(described_class.new(rect.new(2, 3), lookahead, object_name: :does_not_matter))
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expect(subject).not_to eq(described_class.new(rect.new(2, 4)))
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expect(subject).not_to eq(described_class.new(circle.new(10)))
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end
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it 'delegates attribute lookup methods to the inner object' do
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other = rect.new(2, 3)
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expect(subject.hash).to eq(other.hash)
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expect(subject.len).to eq(other.len)
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expect(subject.width).to eq(other.width)
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end
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it 'allows the object to be named more meaningfully' do
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expect(subject.object).to eq(object)
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expect(subject.object).to eq(subject.rect)
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end
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it 'works as a hash key' do
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h = { subject => :foo }
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expect(h[described_class.new(object)]).to eq(:foo)
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end
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describe '#requires?' do
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it 'returns false if the lookahead was not provided' do
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expect(subject.requires?([:foo])).to be(false)
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end
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context 'lookahead was provided' do
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let(:lookahead) { double(:Lookahead) }
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before do
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allow(lookahead).to receive(:selection).with(Symbol).and_return(lookahead)
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end
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it 'returns false if the path is empty' do
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expect(subject.requires?([])).to be(false)
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end
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context 'it selects the field' do
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before do
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allow(lookahead).to receive(:selects?).with(Symbol).once.and_return(true)
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end
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it 'returns true' do
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expect(subject.requires?(%i[foo bar baz])).to be(true)
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end
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end
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context 'it does not select the field' do
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before do
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allow(lookahead).to receive(:selects?).with(Symbol).once.and_return(false)
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end
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it 'returns false' do
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expect(subject.requires?(%i[foo bar baz])).to be(false)
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end
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end
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end
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end
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end
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