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Contents
require 'spec_helper'
describe '#hscan_each' do
subject { MockRedis::Database.new(self) }
let(:key) { 'mock-redis-test:hscan_each' }
before do
allow(subject).to receive(:hgetall).and_return(collection)
end
context 'when no keys are found' do
let(:collection) { [] }
it 'does not iterate over any elements' do
results = subject.hscan_each(key).map do |k, v|
[k, v]
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| ["k#{i}", "v#{i}"] } }
it 'iterates over each item in the collection' do
results = subject.hscan_each(key).map do |k, v|
[k, v]
end
expect(results).to match_array(collection)
end
end
context 'when giving a custom match filter' do
let(:match) { 'k1*' }
let(:collection) { Array.new(12) { |i| ["k#{i}", "v#{i}"] } }
let(:expected) { [%w[k1 v1], %w[k10 v10], %w[k11 v11]] }
it 'iterates over each item in the filtered collection' do
results = subject.hscan_each(key, match: match).map do |k, v|
[k, v]
end
expect(results).to match_array(expected)
end
end
end
end
Version data entries
28 entries across 28 versions & 1 rubygems