54 lines
1.3 KiB
Ruby
54 lines
1.3 KiB
Ruby
# frozen_string_literal: true
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require 'spec_helper'
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RSpec.describe Shard do
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describe '.populate!' do
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it 'creates shards based on the config file' do
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expect(described_class.all).to be_empty
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stub_storage_settings(foo: {}, bar: {}, baz: {})
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described_class.populate!
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expect(described_class.all.map(&:name)).to match_array(%w[default foo bar baz])
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end
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end
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describe '.by_name' do
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let(:default_shard) { described_class.find_by(name: 'default') }
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before do
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described_class.populate!
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end
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it 'returns an existing shard' do
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expect(described_class.by_name('default')).to eq(default_shard)
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end
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it 'creates a new shard' do
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result = described_class.by_name('foo')
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expect(result).not_to eq(default_shard)
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expect(result.name).to eq('foo')
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end
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it 'returns existing record if creation races' do
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shard_created_by_others = double(described_class)
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expect(described_class)
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.to receive(:find_by)
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.with({ name: 'new_shard' })
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.and_return(nil, shard_created_by_others)
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expect(described_class)
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.to receive(:create)
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.with({ name: 'new_shard' })
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.and_raise(ActiveRecord::RecordNotUnique, 'fail')
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.once
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expect(described_class.by_name('new_shard')).to eq(shard_created_by_others)
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end
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end
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end
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