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require 'helper'
require 'thread'
require 'benchmark'
class TC_Integration_Pending < SQLite3::TestCase
def setup
@db = SQLite3::Database.new("test.db")
@db.transaction do
@db.execute "create table foo ( a integer primary key, b text )"
@db.execute "insert into foo ( b ) values ( 'foo' )"
@db.execute "insert into foo ( b ) values ( 'bar' )"
@db.execute "insert into foo ( b ) values ( 'baz' )"
end
end
def teardown
@db.close
File.delete( "test.db" )
end
def test_busy_handler_outwait
skip("not working in 1.9") if RUBY_VERSION >= '1.9'
busy = Mutex.new
busy.lock
handler_call_count = 0
t = Thread.new(busy) do |locker|
begin
db2 = SQLite3::Database.open( "test.db" )
db2.transaction( :exclusive ) do
locker.lock
end
ensure
db2.close if db2
end
end
@db.busy_handler do |data,count|
handler_call_count += 1
busy.unlock
true
end
assert_nothing_raised do
@db.execute "insert into foo (b) values ( 'from 2' )"
end
t.join
assert_equal 1, handler_call_count
end
def test_busy_handler_impatient
busy = Mutex.new
busy.lock
handler_call_count = 0
t = Thread.new do
begin
db2 = SQLite3::Database.open( "test.db" )
db2.transaction( :exclusive ) do
busy.lock
end
ensure
db2.close if db2
end
end
sleep 1
@db.busy_handler do
handler_call_count += 1
false
end
assert_raise( SQLite3::BusyException ) do
@db.execute "insert into foo (b) values ( 'from 2' )"
end
busy.unlock
t.join
assert_equal 1, handler_call_count
end
def test_busy_timeout
@db.busy_timeout 1000
busy = Mutex.new
busy.lock
t = Thread.new do
begin
db2 = SQLite3::Database.open( "test.db" )
db2.transaction( :exclusive ) do
busy.lock
end
ensure
db2.close if db2
end
end
sleep 1
time = Benchmark.measure do
assert_raise( SQLite3::BusyException ) do
@db.execute "insert into foo (b) values ( 'from 2' )"
end
end
busy.unlock
t.join
assert time.real*1000 >= 1000
end
end
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