instiki/vendor/plugins/sqlite3-ruby/test/test_integration_pending.rb
2009-12-22 20:48:32 -06:00

111 lines
No EOL
2.2 KiB
Ruby

require File.join(File.dirname(__FILE__), 'helper')
require 'thread'
require 'benchmark'
class TC_Integration_Pending < Test::Unit::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
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
@db.busy_handler do |data, count|
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
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