def test_errors(self):
global dbfarm
monetdblite.shutdown()
if PY26:
return
# select before init
with self.assertRaises(monetdblite.DatabaseError):
monetdblite.sql('select * from tables')
# init with weird argument
with self.assertRaises(Exception):
monetdblite.init(33)
# init in unwritable directory
with self.assertRaises(monetdblite.DatabaseError):
monetdblite.init('/unwritabledir')
# proper init
monetdblite.init(dbfarm)
# select from non-existent table
with self.assertRaises(monetdblite.DatabaseError):
monetdblite.sql('select * from nonexistenttable')
# invalid connection object
with self.assertRaises(monetdblite.DatabaseError):
monetdblite.sql('select * from tables', client=33)
# invalid colnames
with self.assertRaises(monetdblite.DatabaseError):
monetdblite.create('pylite08', {33: []})
# empty colnames
with self.assertRaises(monetdblite.DatabaseError):
monetdblite.create('pylite08', {'': []})
# dictionary with invalid keys
d = dict()
d[33] = 44
with self.assertRaises(monetdblite.DatabaseError):
monetdblite.create('pylite08', d)
monetdblite.sql('DROP TABLE pylite08')
monetdblite.create('pylite08', dict(a=[], b=[], c=[]))
# FIXME: segfault
# missing dict key in insert
#with self.assertRaises(monetdblite.DatabaseError):
# monetdblite.insert('pylite08', dict(a=33,b=44))
# too few columns in insert
try:
import pandas
with self.assertRaises(monetdblite.DatabaseError):
monetdblite.insert('pylite08', [[33], [44]])
except:
return
def test_sql_types(self, initialize_monetdblite):
monetdblite.sql('CREATE TABLE pylite04_decimal(d DECIMAL(18,3))')
monetdblite.insert('pylite04_decimal', {'d': numpy.arange(100000)})
result = monetdblite.sql('SELECT * FROM pylite04_decimal')
assert result['d'][0] == 0, "Incorrect result"
monetdblite.sql('CREATE TABLE pylite04_date(d DATE)')
monetdblite.sql("INSERT INTO pylite04_date VALUES ('2000-01-01')")
result = monetdblite.sql('SELECT d FROM pylite04_date')
assert result['d'][0] == '2000-01-01', "Incorrect result"
def test_many_sql_statements(self, initialize_monetdblite):
for i in range(5): # FIXME 1000
conn = monetdblite.connectclient()
monetdblite.sql('START TRANSACTION', client=conn)
monetdblite.sql('CREATE TABLE pylite11 (i INTEGER)', client=conn)
monetdblite.insert('pylite11', {'i': numpy.arange(10)},
client=conn)
result = monetdblite.sql('SELECT * FROM pylite11', client=conn)
assert result['i'][0] == 0, "Invalid result"
monetdblite.sql('DROP TABLE pylite11', client=conn)
monetdblite.sql('ROLLBACK', client=conn)
del conn
def test_monetdblite_insert(self):
monetdblite.create('pylite02', {'i': numpy.arange(100000)})
try:
import pandas
monetdblite.insert('pylite02', numpy.arange(100000))
result = monetdblite.sql('select * from pylite02')
self.assertEquals(len(result['i']), 200000, "Incorrect result")
except:
#no pandas
result = monetdblite.sql('select * from pylite02')
self.assertEquals(len(result['i']), 100000, "Incorrect result")
return
def test_many_sql_statements(self):
for i in range(5): # FIXME 1000
conn = monetdblite.connectclient()
monetdblite.sql('START TRANSACTION', client=conn)
monetdblite.sql('CREATE TABLE pylite09 (i INTEGER)', client=conn)
monetdblite.insert('pylite09', {'i': numpy.arange(10)},
client=conn)
result = monetdblite.sql('SELECT * FROM pylite09', client=conn)
self.assertEquals(result['i'][0], 0, "Invalid result")
monetdblite.sql('DROP TABLE pylite09', client=conn)
monetdblite.sql('ROLLBACK', client=conn)
del conn
def test_monetdblite_insert(self, initialize_monetdblite):
monetdblite.create('pylite02', {'i': numpy.arange(100000)})
monetdblite.insert('pylite02', numpy.arange(100000))
result = monetdblite.sql('select * from pylite02')
assert len(result['i']) == 200000, "Incorrect result"
def test_null_string_insertion_bug(self, initialize_monetdblite):
monetdblite.sql("CREATE TABLE pylite12 (s varchar(2))")
monetdblite.insert('pylite12', {'s': ['a', None]})
result = monetdblite.sql("SELECT * FROM pylite12")
expected = numpy.ma.masked_array(['a', 'a'], mask=[0, 1])
numpy.testing.assert_array_equal(result['s'], expected)
def test_bad_column_number(self, initialize_monetdblite):
# too few columns in insert
monetdblite.create('pylite10', dict(a=[], b=[], c=[]))
with pytest.raises(monetdblite.DatabaseError):
monetdblite.insert('pylite10', [[33], [44]])
def test_missing_dict_key(self, initialize_monetdblite):
# FIXME: segfault
# missing dict key in insert
monetdblite.create('pylite09', dict(a=[], b=[], c=[]))
with pytest.raises(monetdblite.DatabaseError):
monetdblite.insert('pylite09', dict(a=33, b=44))
