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require 'cases/helper'
require 'models/topic'
require 'models/author'
require 'models/post'
module ActiveRecord
class BindParameterTest < ActiveRecord::TestCase
fixtures :topics, :authors, :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
teardown do
ActiveSupport::Notifications.unsubscribe(@subscription)
end
if ActiveRecord::Base.connection.supports_statement_cache? &&
ActiveRecord::Base.connection.prepared_statements
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
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_bind_vars_after_type_cast
binds = [Relation::QueryAttribute.new("id", "10", Type::Integer.new)]
type_casted_binds = binds.map { |attr| type_cast(attr.value_for_database) }
payload = {
:name => 'SQL',
:sql => 'select * from topics where id = ?',
:binds => binds,
:type_casted_binds => type_casted_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
private
def type_cast(value)
ActiveRecord::Base.connection.type_cast(value)
end
end
end
end
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