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require 'spec_helper'
describe SiteStatistic do
describe '.fetch' do
context 'existing record' do
it 'returns existing SiteStatistic model' do
statistics = create(:site_statistics)
expect(described_class.fetch).to be_a(described_class)
expect(described_class.fetch).to eq(statistics)
end
end
context 'non existing record' do
it 'creates a new SiteStatistic model' do
expect(described_class.first).to be_nil
expect(described_class.fetch).to be_a(described_class)
end
end
end
describe '.track' do
context 'with allowed attributes' do
let(:statistics) { create(:site_statistics) }
it 'increases the attribute counter' do
expect { described_class.track('repositories_count') }.to change { statistics.reload.repositories_count }.by(1)
expect { described_class.track('wikis_count') }.to change { statistics.reload.wikis_count }.by(1)
end
it 'doesnt increase the attribute counter when an exception happens during transaction' do
expect do
begin
described_class.transaction do
described_class.track('repositories_count')
raise StandardError
end
rescue StandardError
# no-op
end
end.not_to change { statistics.reload.repositories_count }
end
end
context 'with not allowed attributes' do
it 'returns error' do
expect { described_class.track('something_else') }.to raise_error(ArgumentError).with_message(/Invalid attribute: \'something_else\' to \'track\' method/)
end
end
end
describe '.untrack' do
context 'with allowed attributes' do
let(:statistics) { create(:site_statistics) }
it 'decreases the attribute counter' do
expect { described_class.untrack('repositories_count') }.to change { statistics.reload.repositories_count }.by(-1)
expect { described_class.untrack('wikis_count') }.to change { statistics.reload.wikis_count }.by(-1)
end
it 'doesnt decrease the attribute counter when an exception happens during transaction' do
expect do
begin
described_class.transaction do
described_class.track('repositories_count')
raise StandardError
end
rescue StandardError
# no-op
end
end.not_to change { described_class.fetch.repositories_count }
end
end
context 'with not allowed attributes' do
it 'returns error' do
expect { described_class.untrack('something_else') }.to raise_error(ArgumentError).with_message(/Invalid attribute: \'something_else\' to \'untrack\' method/)
end
end
end
describe '.recalculate_counters!' do
it 'recalculates existing counters' do
create(:project)
described_class.fetch.update(repositories_count: 0, wikis_count: 0)
described_class.recalculate_counters!
expect(described_class.fetch.repositories_count).to eq(1)
expect(described_class.fetch.wikis_count).to eq(1)
end
end
end
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