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# Jython Database Specification API 2.0
#
# Copyright (c) 2001 brian zimmer <bzimmer@ziclix.com>
import dbexts, runner, tempfile, os
from random import random
class dbextsTestCase(runner.SQLTestCase):
def setUp(self):
template = """
[default]
name=dbexts_test
[jdbc]
name=dbexts_test
url=%s
user=%s
pwd=%s
driver=%s
"""
args = {}
for arg in self.factory.arguments:
args[arg[0]] = arg[1]
template = template % (args["url"], args["usr"], args["pwd"], args["driver"])
if hasattr(self, "datahandler"):
template += "\tdatahandler=%s" % (self.datahandler.__name__)
template = os.linesep.join(template.split())
try:
fp = open(tempfile.mktemp(), "w")
fp.write(template)
fp.close()
self.db = dbexts.dbexts(cfg=fp.name)
self.db.verbose = 0
for table in ("one", "two"):
try: self.db.raw("drop table %s" % (table))
except: pass
self.db.raw("create table one (a int, b int, c varchar(32))")
self.db.raw("create table two (a int, b int, c varchar(32))")
finally:
try:
os.remove(fp.name)
except:
pass
def tearDown(self):
self.db.raw("drop table one")
self.db.raw("drop table two")
self.db.close()
def testChoose(self):
"""testing choose()"""
r = dbexts.choose(1, 4, 5)
assert r == 4, "choose failed, expected 4, got %d" % r
def _insertInto(self, table, num):
for i in range(0, num):
self.db.raw("insert into %s (a, b, c) values (?, ?, ?)" % (table), [(i, random()*100+i, "%s" % (random()*100+i))])
def testSqlFailure(self):
"""testing isql with sql exception"""
try:
self.db.isql("select * from __garbage__")
self.fail("expected SQL exception")
except:
pass
def testSqlFailureWithBeginCommit(self):
"""testing failure with begin/commit"""
failed = 0
c = self.db.begin()
try:
try:
c.execute("select * from __garbage__")
except:
failed = 1
finally:
self.db.commit(c)
if not failed:
self.fail("expected SQL exception")
def testSqlWithBeginCommit(self):
"""testing begin/commit"""
self._insertInto("two", 30)
c = self.db.begin()
c.execute("select * from two")
f = c.fetchall()
c.close()
self.db.commit()
assert len(f) == 30, "expected [30], got [%d]" % (len(f))
def testQueryMultipleReturnSets(self):
"""testing multiple return sets"""
self._insertInto("two", 30)
h, r = self.db.raw("select * from two where a = ?", [(0,), (3,)])
assert len(r) == 2, "expected [2], got [%d]" % (len(r))
def testUpdateCount(self):
"""testing update count"""
self._insertInto("one", 45)
self.db.raw("delete from one where a > ?", [(12,)])
self.assertEquals(32, self.db.updatecount)
def testQueryWithMaxRows(self):
"""testing query with max rows"""
self._insertInto("one", 45)
self.db.raw("select * from one", maxrows=3)
self.assertEquals(3, len(self.db.results))
self.db.raw("select * from one where a > ?", [(12,)], maxrows=3)
self.assertEquals(3, len(self.db.results))
def testBulkcopy(self):
"""testing bcp"""
self._insertInto("two", 3)
bcp = self.db.bulkcopy("dbexts_test", "two", include=['a'])
assert len(bcp.columns) == 1, "one column should be specified, [%d] found" % (len(bcp.columns))
bcp = self.db.bulkcopy("dbexts_test", "two", include=['a', 'b', 'c'], exclude=['a'])
assert len(bcp.columns) == 2, "expected two columns, found [%d]" % (len(bcp.columns))
a = filter(lambda x, c=bcp.columns: x in c, ['b', 'c'])
assert a, "expecting ['b', 'c'], found %s" % (str(a))
class _executor:
def __init__(self, table, cols):
self.cols = cols
if cols:
self.sql = "insert into %s (%s) values (%s)" % (table, ",".join(self.cols), ",".join(("?",) * len(self.cols)))
else:
self.sql = "insert into %s values (%%s)" % (table)
def execute(self, db, rows, bindings):
assert len(rows) > 0, "must have at least one row"
if self.cols:
sql = self.sql
else:
sql = self.sql % (",".join(("?",) * len(rows[0])))
bcp = self.db.bulkcopy("dbexts_test", "two", include=['a'], executor=_executor)
done = bcp.transfer(self.db)
assert done == 3, "expecting three rows to be handled but not inserted, found [%d]" % (done)
bcp = self.db.bulkcopy("dbexts_test", "two", include=['a'])
done = bcp.transfer(self.db)
assert done == 3, "expecting three rows to be inserted, found [%d]" % (done)
bcp = self.db.bulkcopy("dbexts_test", "two", include=['a'])
bcp.rowxfer([200])
bcp.rowxfer([201])
bcp.rowxfer([202])
bcp.rowxfer([203])
done = bcp.batch()
assert done == 4, "expecting four rows to be inserted, found [%d]" % (done)
bcp.rowxfer([300])
bcp.rowxfer([401])
bcp.rowxfer([502])
bcp.rowxfer([603])
done = bcp.batch()
assert done == 4, "expecting four rows to be inserted, found [%d]" % (done)
bcp.rowxfer([205])
bcp.rowxfer([210])
done = bcp.done()
assert done == 2, "expecting two rows to be inserted, found [%d]" % (done)
assert bcp.total == 10, "expecting 10 rows to be inserted, found [%d]" % (bcp.total)
bcp = self.db.bulkcopy("dbexts_test", "two", include=['a'])
done = bcp.transfer(self.db)
assert done == 16, "expecting sixteen rows to be inserted, found [%d]" % (done)
def testTable(self):
"""testing dbexts.table(tabname)"""
self.db.table("one")
assert self.db.results is not None, "results were None"
self.assertEquals(3, len(self.db.results))
self.db.table()
found = 0
for a in self.db.results:
if a[2].lower() in ("one", "two"): found += 1
self.assertEquals(2, found)
def testOut(self):
"""testing dbexts.out"""
self.db.verbose = 1
fp = open(tempfile.mktemp(), "w")
try:
self.db.out = fp
self.db.raw("insert into one (a, b) values (?, ?)", [(1, 2), (3, 4)])
self.db.isql("select * from one")
self.db.verbose = 0
fp.close()
fp = open(fp.name, "r")
data = fp.read()
assert len(data), "expected file to contain output"
finally:
fp.close()
os.remove(fp.name)
def testResultSetWrapper(self):
"""testing result set wrapper"""
from dbexts import ResultSet
self._insertInto("two", 30)
h, r = self.db.raw("select * from two where a in (?, ?, ?, ?) order by a", [(12,15,17,8)])
assert len(r) == 4, "expected [4], got [%d]" % (len(r))
rs = ResultSet(map(lambda x: x[0], h), r)
assert len(rs[0]) == 3, "expected [3], got [%d]" % (len(rs[0]))
assert rs[0]['a'] == 8, "expected [8], got [%s]" % (rs[0]['a'])
assert rs[0]['A'] == 8, "expected [8], got [%s]" % (rs[0]['A'])
assert len(rs[0]['b':]) == 2, "expected [2], got [%s]" % (len(rs[0]['b':]))
assert len(rs[0]['a':'b']) == 1, "expected [1], got [%s]" % (len(rs[0]['a':'b']))
def testMultipleResultSetConcatentation(self):
"""testing multiple result sets with some resulting in None"""
self._insertInto("two", 30)
# first is non None
h, r = self.db.raw("select * from two where a = ?", [(12,),(8001,),(15,),(17,),(8,),(9001,)])
assert len(r) == 4, "expected [4], got [%d]" % (len(r))
# first is None
h, r = self.db.raw("select * from two where a = ?", [(1200,),(8001,),(15,),(17,),(8,),(9001,)])
assert len(r) == 3, "expected [3], got [%d]" % (len(r))
def testBulkcopyWithDynamicColumns(self):
"""testing bcp with dynamic column names"""
self.testBulkcopy()
bcp = self.db.bulkcopy("dbexts_test", "two", exclude=['a'])
assert len(bcp.columns) == 2, "expected two columns, found [%d]" % (len(bcp.columns))
a = filter(lambda x, c=bcp.columns: x in c, ['b', 'c'])
assert a == ['b', 'c'], "expecting ['b', 'c'], found %s" % (str(a))
bcp = self.db.bulkcopy("dbexts_test", "two")
done = bcp.transfer(self.db)
assert done == 32, "expecting thirty two rows to be inserted, found [%d]" % (done)
def testAutocommit(self):
"""testing the autocommit functionality"""
for u in (0, 1):
self.db.autocommit = u
try:
self.db.isql("select * from one")
except Exception, e:
fail("failed autocommit query with u=[%d], v=[%d]" % (u, v))
for v in (0, 1):
self.db.db.autocommit = v
try:
self.db.isql("select * from one")
except Exception, e:
self.fail("failed autocommit query with u=[%d], v=[%d]" % (u, v))
def testPrepare(self):
"""testing the handling of a prepared statement"""
self._insertInto("one", 10)
p = self.db.prepare("select * from one")
self.db.isql(p)
self.db.isql(p)
p.close()
assert p.closed
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