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Contents
require 'spec_helper'
describe '#zscan_each' do
subject { MockRedis::Database.new(self) }
let(:key) { 'mock-redis-test:zscan_each' }
before do
allow(subject).to receive(:zrange).and_return(collection)
end
context 'when no keys are found' do
let(:collection) { [] }
it 'does not iterate over any elements' do
results = subject.zscan_each(key).map do |m, s|
[m, s]
end
expect(results).to match_array(collection)
end
end
context 'when keys are found' do
context 'when no match filter is supplied' do
let(:collection) { Array.new(20) { |i| ["m#{i}", i] } }
it 'iterates over each item in the collection' do
results = subject.zscan_each(key).map do |m, s|
[m, s]
end
expect(results).to match_array(collection)
end
end
context 'when giving a custom match filter' do
let(:match) { 'm1*' }
let(:collection) { Array.new(12) { |i| ["m#{i}", i] } }
let(:expected) { [['m1', 1], ['m10', 10], ['m11', 11]] }
it 'iterates over each item in the filtered collection' do
results = subject.zscan_each(key, match: match).map do |m, s|
[m, s]
end
expect(results).to match_array(expected)
end
end
end
end
Version data entries
28 entries across 28 versions & 1 rubygems