Files
old-krovovi-kalkulator/test/validators/file_validator_test.py
2017-12-20 20:27:55 +01:00

102 lines
4.2 KiB
Python

from os.path import abspath, dirname, join
import unittest
from unittest.mock import MagicMock, PropertyMock
from nose.tools import eq_
from werkzeug.datastructures import FileStorage
from helix.constants.file_validation_error import FileValidationError\
, FileValidationMessage
from helix.constants.system_type import SystemType
from helix.validators.file_validator import FileValidator, FileType, \
InvalidMappingException
class FileValidatorTest(unittest.TestCase):
def setUp(self):
self.user_values = MagicMock()
self.subject = FileValidator(self.user_values)
def should_have_error(self, result, message, row):
eq_(result, FileValidationError(message, row))
def test_csv_files_are_valid(self):
fake_file = MagicMock()
type(fake_file).filename = \
PropertyMock(return_value="input_single_tilt.csv")
self.user_values.system_type.return_value = SystemType.singleTilt
with open('test/fixtures/input_single_tilt.csv', 'r',
newline='') as file:
cad_input = file.read()
eq_(self.subject.validate(cad_input, FileType.Csv, fake_file), None)
def test_unknown_files_are_invalid(self):
fake_file = MagicMock()
type(fake_file).filename = PropertyMock(return_value="Hi")
result = self.subject.validate("Hi", FileType.Unknown, fake_file)
self.should_have_error(result,
FileValidationMessage.UnknownFileUploaded, None)
def test_identifies_dxf_files_as_aurora_dxf(self):
with open('test/fixtures/dxf/input_single_tilt_96_cell.dxf', 'r',
newline='') as file:
dxf_input = file.read()
eq_(self.subject.identify_file_type(dxf_input), FileType.AuroraDxf)
def test_identifies_csv_files_as_csv(self):
fake_file = MagicMock()
fake_file.filename.return_value = "input_single_tilt.csv"
with open('test/fixtures/input_single_tilt.csv', 'r',
newline='') as file:
cad_input = file.read()
eq_(self.subject.identify_file_type(cad_input), FileType.Csv)
def test_identifies_other_files_as_unknown(self):
eq_(self.subject.identify_file_type("hello"), FileType.Unknown)
def test_read_invalid_file_is_captured(self):
fname = join(abspath(dirname(__file__)),
'../fixtures/images/expected_dual_tilt_pseries_image.png')
fake_file = MagicMock()
fake_file.read.return_value = open(fname, "rb").read()
fake_file.filename.return_value = "expected_dual_tilt_pseries_image.png"
stream = self.subject.obtain_stream(fake_file)
self.should_have_error(self.subject.validate(stream, FileType.AuroraDxf, fake_file),
FileValidationMessage.ExpectedDxfFile,
None)
def test_read_file_passes(self):
fname = join(abspath(dirname(__file__)),
"../fixtures/expected_design_metadata.txt")
stream = self.subject.obtain_stream(FileStorage(open(fname, "rb")))
self.assertGreater(len(stream), 0)
def test_txt_validator_rejects_dxf_file(self):
file_type = FileType.Csv
self.assertRaises(InvalidMappingException,
file_type.valid_mapping, "dxf")
def test_dxf_validator_rejects_txt_file(self):
file_type = FileType.AuroraDxf
self.assertRaises(InvalidMappingException,
file_type.valid_mapping, "txt")
self.assertRaises(InvalidMappingException,
file_type.valid_mapping, "csv")
self.assertRaises(InvalidMappingException,
file_type.valid_mapping, "gif")
def test_unknown_validator_rejects_any_file(self):
file_type = FileType.Unknown
self.assertRaises(InvalidMappingException,
file_type.valid_mapping,
"exe")
def test_file_validator_obtain_extension(self):
fake_file = MagicMock()
fname = "Feb1717DT-dxf.1487698302339.dxf"
type(fake_file).filename = PropertyMock(return_value=fname)
validator = FileValidator(self.user_values)
result = validator.obtain_extension(fake_file)
self.assertEqual("dxf", result)