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_monetdblite_create_multiple_columns(self, initialize_monetdblite):
arrays = numpy.arange(100000).reshape((5, 20000))
monetdblite.create(
'pylite03', {
'i': arrays[0],
'j': arrays[1],
'k': arrays[2],
'l': arrays[3],
'm': arrays[4]
})
result = monetdblite.sql('select * from pylite03')
assert len(result) == 5, "Incorrect amount of columns"
assert len(result['i']) == 20000, "Incorrect amount of rows"
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_connections(self, initialize_monetdblite):
# create two clients
conn = monetdblite.connectclient()
conn2 = monetdblite.connectclient()
# create a table within a transaction in one client
monetdblite.sql('START TRANSACTION', client=conn)
monetdblite.create('pylite05', {'i': numpy.arange(100000)},
client=conn)
# check that table was successfully created
result = monetdblite.sql('SELECT MIN(i) AS minimum FROM pylite05',
client=conn)
assert result['minimum'][0] == 0, "Incorrect result"
# attempt to query the table from another client
if not PY26:
with pytest.raises(monetdblite.DatabaseError):
monetdblite.sql('SELECT * FROM pylite05', client=conn2)
# now commit the table
monetdblite.sql('COMMIT', client=conn)
# query the table again from the other client, this time it should be there
result = monetdblite.sql('SELECT MIN(i) AS minimum FROM pylite05',
client=conn2)
assert result['minimum'][0] == 0, "Incorrect result"
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_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))
def test_invalid_key_dict(self, initialize_monetdblite):
# dictionary with invalid keys
d = dict()
d[33] = 44
with pytest.raises(monetdblite.DatabaseError):
monetdblite.create('pylite08', d)
def test_empty_colnames(self, initialize_monetdblite):
# empty colnames
with pytest.raises(monetdblite.DatabaseError):
monetdblite.create('pylite07', {'': []})
def test_invalid_colnames(self, initialize_monetdblite):
# invalid colnames
with pytest.raises(monetdblite.DatabaseError):
monetdblite.create('pylite06', {33: []})
def test_monetdblite_create(self):
monetdblite.create('pylite01', {'i': numpy.arange(100000)})
result = monetdblite.sql('select * from pylite01')
self.assertEquals(len(result['i']), 100000, "Incorrect result")
