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# frozen_string_literal: true
require_relative "helper"
class TestPipeliningCommands < Minitest::Test
include Helper::Client
def test_bulk_commands
r.pipelined do
r.lpush "foo", "s1"
r.lpush "foo", "s2"
end
assert_equal 2, r.llen("foo")
assert_equal "s2", r.lpop("foo")
assert_equal "s1", r.lpop("foo")
end
def test_multi_bulk_commands
r.pipelined do
r.mset("foo", "s1", "bar", "s2")
r.mset("baz", "s3", "qux", "s4")
end
assert_equal "s1", r.get("foo")
assert_equal "s2", r.get("bar")
assert_equal "s3", r.get("baz")
assert_equal "s4", r.get("qux")
end
def test_bulk_and_multi_bulk_commands_mixed
r.pipelined do
r.lpush "foo", "s1"
r.lpush "foo", "s2"
r.mset("baz", "s3", "qux", "s4")
end
assert_equal 2, r.llen("foo")
assert_equal "s2", r.lpop("foo")
assert_equal "s1", r.lpop("foo")
assert_equal "s3", r.get("baz")
assert_equal "s4", r.get("qux")
end
def test_multi_bulk_and_bulk_commands_mixed
r.pipelined do
r.mset("baz", "s3", "qux", "s4")
r.lpush "foo", "s1"
r.lpush "foo", "s2"
end
assert_equal 2, r.llen("foo")
assert_equal "s2", r.lpop("foo")
assert_equal "s1", r.lpop("foo")
assert_equal "s3", r.get("baz")
assert_equal "s4", r.get("qux")
end
def test_pipelined_with_an_empty_block
r.pipelined do
end
assert_equal 0, r.dbsize
end
def test_returning_the_result_of_a_pipeline
result = r.pipelined do
r.set "foo", "bar"
r.get "foo"
r.get "bar"
end
assert_equal ["OK", "bar", nil], result
end
def test_assignment_of_results_inside_the_block
r.pipelined do
@first = r.sadd("foo", 1)
@second = r.sadd("foo", 1)
end
assert_equal true, @first.value
assert_equal false, @second.value
end
# Although we could support accessing the values in these futures,
# it doesn't make a lot of sense.
def test_assignment_of_results_inside_the_block_with_errors
assert_raises(Redis::CommandError) do
r.pipelined do
r.doesnt_exist
@first = r.sadd("foo", 1)
@second = r.sadd("foo", 1)
end
end
assert_raises(Redis::FutureNotReady) { @first.value }
assert_raises(Redis::FutureNotReady) { @second.value }
end
def test_assignment_of_results_inside_a_nested_block
r.pipelined do
@first = r.sadd("foo", 1)
r.pipelined do
@second = r.sadd("foo", 1)
end
end
assert_equal true, @first.value
assert_equal false, @second.value
end
def test_futures_raise_when_confused_with_something_else
r.pipelined do
@result = r.sadd("foo", 1)
end
assert_raises(NoMethodError) { @result.to_s }
end
def test_futures_raise_when_trying_to_access_their_values_too_early
r.pipelined do
assert_raises(Redis::FutureNotReady) do
r.sadd("foo", 1).value
end
end
end
def test_futures_raise_when_command_errors_and_needs_transformation
assert_raises(Redis::CommandError) do
r.pipelined do
@result = r.zrange("a", "b", 5, with_scores: true)
end
end
end
def test_futures_warn_when_tested_for_equality
r.pipelined do
@result = r.sadd("foo", 1)
end
assert_output(nil, /deprecated/) do
@result == 1
end
end
def test_futures_can_be_identified
r.pipelined do
@result = r.sadd("foo", 1)
end
assert_equal true, @result.is_a?(Redis::Future)
assert_equal true, @result.is_a?(::BasicObject)
assert_equal Redis::Future, @result.class
end
def test_returning_the_result_of_an_empty_pipeline
result = r.pipelined do
end
assert_equal [], result
end
def test_nesting_pipeline_blocks
r.pipelined do
r.set("foo", "s1")
r.pipelined do
r.set("bar", "s2")
end
end
assert_equal "s1", r.get("foo")
assert_equal "s2", r.get("bar")
end
def test_info_in_a_pipeline_returns_hash
result = r.pipelined do
r.info
end
assert result.first.is_a?(Hash)
end
def test_config_get_in_a_pipeline_returns_hash
result = r.pipelined do
r.config(:get, "*")
end
assert result.first.is_a?(Hash)
end
def test_hgetall_in_a_pipeline_returns_hash
r.hmset("hash", "field", "value")
result = r.pipelined do
r.hgetall("hash")
end
assert_equal result.first, { "field" => "value" }
end
def test_keys_in_a_pipeline
r.set("key", "value")
result = r.pipelined do
r.keys("*")
end
assert_equal ["key"], result.first
end
def test_pipeline_yields_a_connection
r.pipelined do |p|
p.set("foo", "bar")
end
assert_equal "bar", r.get("foo")
end
def test_pipeline_select
r.select 1
r.set("db", "1")
r.pipelined do |p|
p.select 2
p.set("db", "2")
end
r.select 1
assert_equal "1", r.get("db")
r.select 2
assert_equal "2", r.get("db")
end
def test_pipeline_select_client_db
r.select 1
r.pipelined do |p2|
p2.select 2
end
assert_equal 2, r._client.db
end
def test_nested_pipeline_select_client_db
r.select 1
r.pipelined do |p2|
p2.select 2
p2.pipelined do |p3|
p3.select 3
end
end
assert_equal 3, r._client.db
end
def test_pipeline_interrupt_preserves_client
original = r._client
Redis::Pipeline.stubs(:new).raises(Interrupt)
assert_raises(Interrupt) { r.pipelined {} }
assert_equal r._client, original
end
end
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