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shared_examples_for "a sortable" do
it 'returns empty array on nil' do
expect(@client.sort(nil)).to eq([])
end
context 'ordering' do
it 'orders ascending by default' do
expect(@client.sort(@key)).to eq(['1', '2'])
end
it 'orders by ascending when specified' do
expect(@client.sort(@key, :order => "ASC")).to eq(['1', '2'])
end
it 'orders by descending when specified' do
expect(@client.sort(@key, :order => "DESC")).to eq(['2', '1'])
end
it "orders by ascending when alpha is specified" do
expect(@client.sort(@key, :order => "ALPHA")).to eq(["1", "2"])
end
end
context 'projections' do
it 'projects element when :get is "#"' do
expect(@client.sort(@key, :get => '#')).to eq(['1', '2'])
end
it 'projects through a key pattern' do
expect(@client.sort(@key, :get => 'fake-redis-test:values_*')).to eq(['a', 'b'])
end
it 'projects through a key pattern and reflects element' do
expect(@client.sort(@key, :get => ['#', 'fake-redis-test:values_*'])).to eq([['1', 'a'], ['2', 'b']])
end
it 'projects through a hash key pattern' do
expect(@client.sort(@key, :get => 'fake-redis-test:hash_*->key')).to eq(['x', 'y'])
end
end
context 'weights' do
it 'weights by projecting through a key pattern' do
expect(@client.sort(@key, :by => "fake-redis-test:weight_*")).to eq(['2', '1'])
end
it 'weights by projecting through a key pattern and a specific order' do
expect(@client.sort(@key, :order => "DESC", :by => "fake-redis-test:weight_*")).to eq(['1', '2'])
end
end
context 'limit' do
it 'only returns requested window in the enumerable' do
expect(@client.sort(@key, :limit => [0, 1])).to eq(['1'])
end
it 'returns an empty array if the offset if more than the length of the list' do
expect(@client.sort(@key, :limit => [3, 1])).to eq([])
end
end
context 'store' do
it 'stores into another key' do
expect(@client.sort(@key, :store => "fake-redis-test:some_bucket")).to eq(2)
expect(@client.lrange("fake-redis-test:some_bucket", 0, -1)).to eq(['1', '2'])
end
it "stores into another key with other options specified" do
expect(@client.sort(@key, :store => "fake-redis-test:some_bucket", :by => "fake-redis-test:weight_*")).to eq(2)
expect(@client.lrange("fake-redis-test:some_bucket", 0, -1)).to eq(['2', '1'])
end
end
end
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