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# frozen_string_literal: true
require "cases/helper"
require "models/topic"
require "models/author"
require "models/post"
if ActiveRecord::Base.connection.prepared_statements
module ActiveRecord
class BindParameterTest < ActiveRecord::TestCase
fixtures :topics, :authors, :author_addresses, :posts
class LogListener
attr_accessor :calls
def initialize
@calls = []
end
def call(*args)
calls << args
end
end
def setup
super
@connection = ActiveRecord::Base.connection
@subscriber = LogListener.new
@pk = Topic.columns_hash[Topic.primary_key]
@subscription = ActiveSupport::Notifications.subscribe("sql.active_record", @subscriber)
end
def teardown
ActiveSupport::Notifications.unsubscribe(@subscription)
end
def test_too_many_binds
bind_params_length = @connection.send(:bind_params_length)
topics = Topic.where(id: (1 .. bind_params_length + 1).to_a)
assert_equal Topic.count, topics.count
end
def test_bind_from_join_in_subquery
subquery = Author.joins(:thinking_posts).where(name: "David")
scope = Author.from(subquery, "authors").where(id: 1)
assert_equal 1, scope.count
end
def test_binds_are_logged
sub = Arel::Nodes::BindParam.new(1)
binds = [Relation::QueryAttribute.new("id", 1, Type::Value.new)]
sql = "select * from topics where id = #{sub.to_sql}"
@connection.exec_query(sql, "SQL", binds)
message = @subscriber.calls.find { |args| args[4][:sql] == sql }
assert_equal binds, message[4][:binds]
end
def test_find_one_uses_binds
Topic.find(1)
message = @subscriber.calls.find { |args| args[4][:binds].any? { |attr| attr.value == 1 } }
assert message, "expected a message with binds"
end
def test_logs_binds_after_type_cast
binds = [Relation::QueryAttribute.new("id", "10", Type::Integer.new)]
assert_logs_binds(binds)
end
def test_logs_legacy_binds_after_type_cast
binds = [[@pk, "10"]]
assert_logs_binds(binds)
end
def test_deprecate_supports_statement_cache
assert_deprecated { ActiveRecord::Base.connection.supports_statement_cache? }
end
private
def assert_logs_binds(binds)
payload = {
name: "SQL",
sql: "select * from topics where id = ?",
binds: binds,
type_casted_binds: @connection.type_casted_binds(binds)
}
event = ActiveSupport::Notifications::Event.new(
"foo",
Time.now,
Time.now,
123,
payload)
logger = Class.new(ActiveRecord::LogSubscriber) {
attr_reader :debugs
def initialize
super
@debugs = []
end
def debug(str)
@debugs << str
end
}.new
logger.sql(event)
assert_match([[@pk.name, 10]].inspect, logger.debugs.first)
end
end
end
end
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