newfol/test/testdatabase.py
brian m. carlson 9c9662ae9a
Add support for loading configuration files.
Signed-off-by: brian m. carlson <sandals@crustytoothpaste.net>
2014-08-05 23:23:34 +00:00

224 lines
7.5 KiB
Python
Executable file

#!/usr/bin/python3
from newfol.database import DatabaseVersion, Database, Schema, Singleton
from newfol.filemanip import Record
import tempfile
import unittest
class TestDatabaseVersion(unittest.TestCase):
def test_default_serialization(self):
self.assertEqual(DatabaseVersion().serialization(), "csv")
def test_preferred_serialization(self):
self.assertEqual(DatabaseVersion.preferred().serialization(), "json")
def test_preferred_serialization_version(self):
self.assertEqual(DatabaseVersion.preferred().serialization_version(),
2)
def test_preferred_compression(self):
self.assertEqual(DatabaseVersion.preferred().compression(), None)
def test_preferred_compression_version(self):
self.assertEqual(DatabaseVersion.preferred().compression_version(), 0)
def test_preferred_record_version(self):
self.assertEqual(DatabaseVersion.preferred().record_version(), 3)
def test_preferred_version_version(self):
self.assertEqual(DatabaseVersion.preferred().version_version(), 0)
class TestDatabaseAccessors(unittest.TestCase):
def test_location(self):
for location in ("/tmp/foo", "/bar", "/home/quux/.newfol"):
obj = Database(location, 2, Schema(), [])
self.assertEqual(obj.location(), location)
def test_records(self):
obj = Database("/tmp/foo", 2, Schema(), [Record([1, 2, 3])])
records = obj.records()
self.assertEqual(len(records), 1)
self.assertEqual(len(records[0].fields), 3)
def test_version(self):
obj = Database("/tmp/foo", DatabaseVersion(), Schema(), [])
self.assertEqual(obj.version(), 0)
obj = Database("/tmp/foo", DatabaseVersion.preferred(), Schema(), [])
self.assertEqual(obj.version(), DatabaseVersion.preferred())
def test_serialization(self):
obj = Database("/tmp/foo", DatabaseVersion(), Schema(), [])
self.assertEqual(obj.serialization(),
DatabaseVersion(0).serialization())
obj = Database("/tmp/foo", DatabaseVersion.preferred(), Schema(), [])
self.assertEqual(obj.serialization(),
DatabaseVersion.preferred().serialization())
class TestDatabaseIntegrity(unittest.TestCase):
def create_temp_db(self):
ddir = tempfile.TemporaryDirectory()
with open(ddir.name + "/schema", "w") as fp:
fp.write("fmt:0:newfol schema file:\ntxn:git\n")
db = Database.load(ddir.name)
return (ddir, db)
def test_version(self):
ddir, db = self.create_temp_db()
self.assertEqual(Database.read_version(ddir.name),
DatabaseVersion())
db.store()
db.upgrade()
self.assertEqual(Database.read_version(ddir.name),
DatabaseVersion.preferred())
ddir.cleanup()
def test_validate(self):
ddir, db = self.create_temp_db()
db.store()
db.validate()
ddir.cleanup()
def test_validate_strict(self):
ddir, db = self.create_temp_db()
db.store()
db.validate(strict=True)
ddir.cleanup()
def test_repair_doesnt_raise(self):
ddir, db = self.create_temp_db()
db.store()
db.repair()
db.validate(strict=True)
ddir.cleanup()
def test_upgrade_records(self):
ddir, db = self.create_temp_db()
db.store()
db.upgrade_records()
ddir.cleanup()
class TestDatabaseUpgrades(unittest.TestCase):
def create_temp_db(self):
ddir = tempfile.TemporaryDirectory()
with open(ddir.name + "/schema", "w") as fp:
fp.write("fmt:0:newfol schema file:\ntxn:git\n")
db = Database.load(ddir.name)
return (ddir, db)
def do_upgrade_test(self, version, pattern):
ddir, db = self.create_temp_db()
if not isinstance(version, DatabaseVersion):
version = DatabaseVersion(version)
self.assertEqual(Database.read_version(ddir.name),
DatabaseVersion())
db.store()
db.upgrade(version=version)
self.assertEqual(Database.read_version(ddir.name),
version)
with open(ddir.name + "/dtb", "rb") as fp:
data = fp.read(len(pattern))
self.assertEqual(data, pattern)
ddir.cleanup()
def test_upgrade_to_xz(self):
version = (DatabaseVersion.preferred() & ~0x00ff0000) | 0x00010000
self.do_upgrade_test(version, b"\xfd7zXZ\x00")
def test_upgrade_to_json(self):
version = (DatabaseVersion.preferred() & ~0x0000ff00) | 0x00000200
self.do_upgrade_test(version, b"[")
def test_upgrade_to_pickle(self):
version = (DatabaseVersion.preferred() & ~0x0000ff00) | 0x00000100
self.do_upgrade_test(version, b"(lp0\n")
class TestMultipleTransactions(unittest.TestCase):
def test_multiple_types(self):
ddir = tempfile.TemporaryDirectory()
with open(ddir.name + "/schema", "w") as fp:
fp.write("fmt:0:newfol schema file:\ntxn:git:hash\n")
db = Database.load(ddir.name)
db.records()[:] = [Record([1, 2, 3])]
db.store()
self.assertEqual(set(db.schema().transaction_types()),
set(["git", "hash"]))
ddir.cleanup()
class TestExtraSchemaConfig(unittest.TestCase):
def test_existing_config_file(self):
ddir1 = tempfile.TemporaryDirectory()
ddir2 = tempfile.TemporaryDirectory()
config = "%s/config" % ddir2.name
with open(ddir1.name + "/schema", "w") as fp:
fp.write("fmt:3:newfol schema file:\n")
with open(config, "w") as fp:
fp.write("fmt:3:newfol config file:\ntxn:git:hash\n")
db = Database.load(ddir1.name, extra_config=[config])
db.records()[:] = [Record([1, 2, 3])]
db.store()
self.assertEqual(set(db.schema().transaction_types()),
set(["git", "hash"]))
ddir1.cleanup()
ddir2.cleanup()
def test_missing_config_file(self):
ddir1 = tempfile.TemporaryDirectory()
config = "%s/config" % ddir1.name
with open(ddir1.name + "/schema", "w") as fp:
fp.write("fmt:3:newfol schema file:\n")
db = Database.load(ddir1.name, extra_config=[config])
db.records()[:] = [Record([1, 2, 3])]
db.store()
# Ensure no exception is raised.
ddir1.cleanup()
class TestDatabaseFiltering(unittest.TestCase):
def create_temp_db(self):
ddir = tempfile.TemporaryDirectory()
with open(ddir.name + "/schema", "w") as fp:
fp.write("fmt:0:newfol schema file:\ntxn:git\n")
db = Database.load(ddir.name)
return (ddir, db)
def test_filtering(self):
ddir, db = self.create_temp_db()
records = [
Record(["a", "b", "c"]),
Record([1, 2, 3]),
Record([7, 8, 9])
]
db.records().extend(records)
def has_only_numbers(rec):
for field in rec.fields:
try:
int(field)
except:
return False
return True
selected = db.records(has_only_numbers)
self.assertEqual(type(selected), list)
self.assertEqual(set(selected), set(records[1:]))
ddir.cleanup()
class TestSingleton(unittest.TestCase):
def test_singleton(self):
def TestClass(metaclass=Singleton):
pass
a = TestClass()
b = TestClass()
self.assertIs(a, b)
if __name__ == '__main__':
unittest.main()