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Improve empty stream responses deserialization #1022

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merged 3 commits into from Aug 3, 2021
Merged

Improve empty stream responses deserialization #1022

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444e219
Improve empty stream responses deserialization
godric Jul 29, 2021
5585b67
Fix streams_test suite
godric Jul 30, 2021
2e85516
Move test suite to test/lint/streams.rb
godric Aug 2, 2021
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2 changes: 1 addition & 1 deletion lib/redis.rb
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Expand Up @@ -3518,7 +3518,7 @@ def method_missing(command, *args) # rubocop:disable Style/MissingRespondToMissi

HashifyStreamEntries = lambda { |reply|
reply.compact.map do |entry_id, values|
[entry_id, values.each_slice(2).to_h]
[entry_id, values&.each_slice(2)&.to_h]
end
}

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18 changes: 18 additions & 0 deletions test/streams_test.rb
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@@ -0,0 +1,18 @@
# frozen_string_literal: true

require_relative "helper"

class TestStreams < Minitest::Test
include Helper::Client

def test_read_a_trimmed_entry
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This should go in https://github.com/redis/redis-rb/blob/master/test/lint/streams.rb (that will give you the automatic skip if redis is too old)

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I renamed the test and moved it with other xreadgroup tests ✅

r.xgroup(:create, 'k1', 'g1', '0', mkstream: true)
entry_id = r.xadd('k1', { value: 'v1' })

assert_equal({ 'k1' => [[entry_id, { 'value' => 'v1' }]] }, r.xreadgroup('g1', 'c1', 'k1', '>'))
assert_equal({ 'k1' => [[entry_id, { 'value' => 'v1' }]] }, r.xreadgroup('g1', 'c1', 'k1', '0'))
r.xtrim('k1', 0)

assert_equal({ 'k1' => [[entry_id, nil]] }, r.xreadgroup('g1', 'c1', 'k1', '0'))
end
end