test_csv_importer.py
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# -*- coding: utf8 -*-
# This file is part of PyBossa.
#
# Copyright (C) 2015 SciFabric LTD.
#
# PyBossa is free software: you can redistribute it and/or modify
# it under the terms of the GNU Affero General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# PyBossa is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU Affero General Public License for more details.
#
# You should have received a copy of the GNU Affero General Public License
# along with PyBossa. If not, see <http://www.gnu.org/licenses/>.
from mock import patch
from nose.tools import assert_raises
from pybossa.importers import BulkImportException
from pybossa.importers.csv import BulkTaskCSVImport
from default import FakeResponse
@patch('pybossa.importers.csv.requests.get')
class TestBulkTaskCSVImport(object):
def setUp(self):
url = 'http://myfakecsvurl.com'
self.importer = BulkTaskCSVImport(csv_url=url)
def test_count_tasks_returns_0_if_no_rows_other_than_header(self, request):
empty_file = FakeResponse(text='CSV,with,no,content\n', status_code=200,
headers={'content-type': 'text/plain'},
encoding='utf-8')
request.return_value = empty_file
number_of_tasks = self.importer.count_tasks()
assert number_of_tasks is 0, number_of_tasks
def test_count_tasks_returns_1_for_CSV_with_one_valid_row(self, request):
csv_file = FakeResponse(text='Foo,Bar,Baz\n1,2,3', status_code=200,
headers={'content-type': 'text/plain'},
encoding='utf-8')
request.return_value = csv_file
number_of_tasks = self.importer.count_tasks()
assert number_of_tasks is 1, number_of_tasks
def test_count_tasks_raises_exception_if_file_forbidden(self, request):
forbidden_request = FakeResponse(text='Forbidden', status_code=403,
headers={'content-type': 'text/csv'},
encoding='utf-8')
request.return_value = forbidden_request
msg = "Oops! It looks like you don't have permission to access that file"
assert_raises(BulkImportException, self.importer.count_tasks)
try:
self.importer.count_tasks()
except BulkImportException as e:
assert e[0] == msg, e
def test_count_tasks_raises_exception_if_not_CSV_file(self, request):
html_request = FakeResponse(text='Not a CSV', status_code=200,
headers={'content-type': 'text/html'},
encoding='utf-8')
request.return_value = html_request
msg = "Oops! That file doesn't look like the right file."
assert_raises(BulkImportException, self.importer.count_tasks)
try:
self.importer.count_tasks()
except BulkImportException as e:
assert e[0] == msg, e
def test_count_tasks_raises_exception_if_dup_header(self, request):
csv_file = FakeResponse(text='Foo,Bar,Foo\n1,2,3', status_code=200,
headers={'content-type': 'text/plain'},
encoding='utf-8')
request.return_value = csv_file
msg = "The file you uploaded has two headers with the same name."
assert_raises(BulkImportException, self.importer.count_tasks)
try:
self.importer.count_tasks()
except BulkImportException as e:
assert e[0] == msg, e
def test_tasks_raises_exception_if_file_forbidden(self, request):
forbidden_request = FakeResponse(text='Forbidden', status_code=403,
headers={'content-type': 'text/csv'},
encoding='utf-8')
request.return_value = forbidden_request
msg = "Oops! It looks like you don't have permission to access that file"
assert_raises(BulkImportException, self.importer.tasks)
try:
self.importer.tasks()
except BulkImportException as e:
assert e[0] == msg, e
def test_tasks_raises_exception_if_not_CSV_file(self, request):
html_request = FakeResponse(text='Not a CSV', status_code=200,
headers={'content-type': 'text/html'},
encoding='utf-8')
request.return_value = html_request
msg = "Oops! That file doesn't look like the right file."
assert_raises(BulkImportException, self.importer.tasks)
try:
self.importer.tasks()
except BulkImportException as e:
assert e[0] == msg, e
def test_tasks_raises_exception_if_dup_header(self, request):
csv_file = FakeResponse(text='Foo,Bar,Foo\n1,2,3', status_code=200,
headers={'content-type': 'text/plain'},
encoding='utf-8')
request.return_value = csv_file
msg = "The file you uploaded has two headers with the same name."
raised = False
try:
self.importer.tasks().next()
except BulkImportException as e:
assert e[0] == msg, e
raised = True
finally:
assert raised, "Exception not raised"
def test_tasks_raises_exception_if_empty_headers(self, request):
csv_file = FakeResponse(text='Foo,Bar,\n1,2,3', status_code=200,
headers={'content-type': 'text/plain'},
encoding='utf-8')
request.return_value = csv_file
msg = "The file you uploaded has an empty header on column 3."
raised = False
try:
self.importer.tasks().next()
except BulkImportException as e:
raised = True
assert e[0] == msg, e
finally:
assert raised, "Exception not raised"
def test_tasks_raises_exception_if_headers_row_mismatch(self, request):
csv_file = FakeResponse(text='Foo,Bar,Baz\n1,2,3,4', status_code=200,
headers={'content-type': 'text/plain'},
encoding='utf-8')
request.return_value = csv_file
msg = "The file you uploaded has an extra value on row 2."
raised = False
try:
self.importer.tasks().next()
except BulkImportException as e:
raised = True
assert e[0] == msg, e
finally:
assert raised, "Exception not raised"
def test_tasks_return_tasks_with_only_info_fields(self, request):
csv_file = FakeResponse(text='Foo,Bar,Baz\n1,2,3', status_code=200,
headers={'content-type': 'text/plain'},
encoding='utf-8')
request.return_value = csv_file
tasks = self.importer.tasks()
task = tasks.next()
assert task == {"info": {u'Bar': u'2', u'Foo': u'1', u'Baz': u'3'}}, task
def test_tasks_return_tasks_with_non_info_fields_too(self, request):
csv_file = FakeResponse(text='Foo,Bar,priority_0\n1,2,3',
status_code=200,
headers={'content-type': 'text/plain'},
encoding='utf-8')
request.return_value = csv_file
tasks = self.importer.tasks()
task = tasks.next()
assert task == {'info': {u'Foo': u'1', u'Bar': u'2'},
u'priority_0': u'3'}, task
def test_tasks_works_with_encodings_other_than_utf8(self, request):
csv_file = FakeResponse(text=u'Foo\nM\xc3\xbcnchen', status_code=200,
headers={'content-type': 'text/plain'},
encoding='ISO-8859-1')
request.return_value = csv_file
tasks = self.importer.tasks()
task = tasks.next()
assert csv_file.encoding == 'utf-8'