def test_is_modified_tests_against_urlinfo_lastmod(self):
resource_info = self._create_resource_info()
fetcher = self._create_fetcher(resource_info)
resource_info.last_indexed = to_utc(datetime(2014, 1, 1, 15, 30))
server_modified = to_utc(datetime(2014, 1, 1, 15, 30))
resource_info.url_info['lastmod'] = to_iso_datetime(server_modified)
self.assertFalse(
fetcher.is_modified(),
"Equal modification dates should lead to resource being "
"considered UNMODIFIED")
server_modified = to_utc(datetime(2014, 1, 1, 15, 31))
resource_info.url_info['lastmod'] = to_iso_datetime(server_modified)
self.assertTrue(
fetcher.is_modified(),
"Newer server modification date should lead to resource being "
"considered MODIFIED")
server_modified = to_utc(datetime(2014, 1, 1, 15, 29))
resource_info.url_info['lastmod'] = to_iso_datetime(server_modified)
self.assertFalse(
fetcher.is_modified(),
"Older server modification date should lead to resource being "
"considered UNMODIFIED")
def test_is_modified_tests_against_http_last_modified(self, request):
resource_info = self._create_resource_info()
fetcher = self._create_fetcher(resource_info)
resource_info.last_indexed = to_utc(datetime(2014, 1, 1, 15, 30))
server_modified = to_utc(datetime(2014, 1, 1, 15, 30))
request.return_value = MockResponse(
headers={'last-modified': to_http_datetime(server_modified)})
self.assertFalse(
fetcher.is_modified(),
"Equal modification dates should lead to resource being "
"considered UNMODIFIED")
server_modified = to_utc(datetime(2014, 1, 1, 15, 31))
request.return_value = MockResponse(
headers={'last-modified': to_http_datetime(server_modified)})
self.assertTrue(
fetcher.is_modified(),
"Newer server modification date should lead to resource being "
"considered MODIFIED")
server_modified = to_utc(datetime(2014, 1, 1, 15, 29))
request.return_value = MockResponse(
headers={'last-modified': to_http_datetime(server_modified)})
self.assertFalse(
fetcher.is_modified(),
"Older server modification date should lead to resource being "
"considered UNMODIFIED")
def test_is_modified_tests_against_http_last_modified(self, request):
resource_info = self._create_resource_info()
fetcher = self._create_fetcher(resource_info)
resource_info.last_indexed = to_utc(datetime(2014, 1, 1, 15, 30))
server_modified = to_utc(datetime(2014, 1, 1, 15, 30))
request.return_value = MockResponse(
headers={'last-modified': to_http_datetime(server_modified)})
self.assertFalse(
fetcher.is_modified(),
"Equal modification dates should lead to resource being "
"considered UNMODIFIED")
server_modified = to_utc(datetime(2014, 1, 1, 15, 31))
request.return_value = MockResponse(
headers={'last-modified': to_http_datetime(server_modified)})
self.assertTrue(
fetcher.is_modified(),
"Newer server modification date should lead to resource being "
"considered MODIFIED")
server_modified = to_utc(datetime(2014, 1, 1, 15, 29))
request.return_value = MockResponse(
headers={'last-modified': to_http_datetime(server_modified)})
self.assertFalse(
fetcher.is_modified(),
"Older server modification date should lead to resource being "
"considered UNMODIFIED")
def test_is_modified_tests_against_urlinfo_lastmod(self):
resource_info = self._create_resource_info()
fetcher = self._create_fetcher(resource_info)
resource_info.last_indexed = to_utc(datetime(2014, 1, 1, 15, 30))
server_modified = to_utc(datetime(2014, 1, 1, 15, 30))
resource_info.url_info['lastmod'] = to_iso_datetime(server_modified)
self.assertFalse(
fetcher.is_modified(),
"Equal modification dates should lead to resource being "
"considered UNMODIFIED")
server_modified = to_utc(datetime(2014, 1, 1, 15, 31))
resource_info.url_info['lastmod'] = to_iso_datetime(server_modified)
self.assertTrue(
fetcher.is_modified(),
"Newer server modification date should lead to resource being "
"considered MODIFIED")
server_modified = to_utc(datetime(2014, 1, 1, 15, 29))
resource_info.url_info['lastmod'] = to_iso_datetime(server_modified)
self.assertFalse(
fetcher.is_modified(),
"Older server modification date should lead to resource being "
"considered UNMODIFIED")
def test_parses_rfc2616_http_date_to_utc_datetime(self):
from_http = from_http_datetime
dt = to_utc(datetime(2014, 6, 30, 15, 45, 30))
# Test parsing of the three formats described by RFC 2616
# RFC 1123
self.assertEquals(dt, from_http('Mon, 30 Jun 2014 15:45:30 GMT'))
# RFC 850
self.assertEquals(dt, from_http('Monday, 30-Jun-14 15:45:30 GMT'))
# ANSI C's asctime() Sun Nov 6 08:49:37 1994
self.assertEquals(dt, from_http('Mon Jun 30 15:45:30 2014'))
# Test a date in winter as well to trigger any DST issues
dt_s = to_utc(datetime(2014, 12, 31, 15, 45, 30))
self.assertEquals(dt_s, from_http('Wed, 31 Dec 2014 15:45:30 GMT'))
def test_parses_rfc2616_http_date_to_utc_datetime(self):
from_http = from_http_datetime
dt = to_utc(datetime(2014, 6, 30, 15, 45, 30))
# Test parsing of the three formats described by RFC 2616
# RFC 1123
self.assertEquals(dt, from_http('Mon, 30 Jun 2014 15:45:30 GMT'))
# RFC 850
self.assertEquals(dt, from_http('Monday, 30-Jun-14 15:45:30 GMT'))
# ANSI C's asctime() Sun Nov 6 08:49:37 1994
self.assertEquals(dt, from_http('Mon Jun 30 15:45:30 2014'))
# Test a date in winter as well to trigger any DST issues
dt_s = to_utc(datetime(2014, 12, 31, 15, 45, 30))
self.assertEquals(dt_s, from_http('Wed, 31 Dec 2014 15:45:30 GMT'))
def test_falls_back_to_http_last_modified(self):
extractor = LastModifiedExtractor()
resource_info = ResourceInfo(
url_info={},
headers={'last-modified': 'Wed, 31 Dec 2014 15:45:30 GMT'})
self.assertEquals(to_utc(datetime(2014, 12, 31, 15, 45, 30)),
extractor.extract_value(resource_info))
def test_lastmod_from_urlinfo(self):
extractor = LastModifiedExtractor()
resource_info = ResourceInfo(
url_info={'lastmod': '2014-12-31T16:45:30+01:00'})
self.assertEquals(to_utc(datetime(2014, 12, 31, 15, 45, 30)),
extractor.extract_value(resource_info))
def test_falls_back_to_http_last_modified(self):
extractor = LastModifiedExtractor()
resource_info = ResourceInfo(
url_info={},
headers={'last-modified': 'Wed, 31 Dec 2014 15:45:30 GMT'})
self.assertEquals(to_utc(datetime(2014, 12, 31, 15, 45, 30)),
extractor.extract_value(resource_info))
def test_lastmod_from_urlinfo(self):
extractor = LastModifiedExtractor()
resource_info = ResourceInfo(
url_info={'lastmod': '2014-12-31T16:45:30+01:00'})
self.assertEquals(to_utc(datetime(2014, 12, 31, 15, 45, 30)),
extractor.extract_value(resource_info))
def test_is_modified_defaults_to_true(self, request):
resource_info = self._create_resource_info()
fetcher = self._create_fetcher(resource_info)
resource_info.last_indexed = to_utc(datetime(2014, 1, 1, 15, 30))
self.assertTrue(
fetcher.is_modified(),
"is_modified() should default to True if last_indexed date "
"is present, but no server modification date could be determined")
def test_is_modified_defaults_to_true(self, request):
resource_info = self._create_resource_info()
fetcher = self._create_fetcher(resource_info)
resource_info.last_indexed = to_utc(datetime(2014, 1, 1, 15, 30))
self.assertTrue(
fetcher.is_modified(),
"is_modified() should default to True if last_indexed date "
"is present, but no server modification date could be determined")
def test_converts_tz_aware_dt_to_utc(self):
cet = timezone('CET')
dt = datetime(2014, 12, 31, 16, 45, 30, tzinfo=cet)
self.assertEquals(datetime(2014, 12, 31, 15, 45, 30, tzinfo=pytz.utc),
to_utc(dt))
def test_parses_utc_iso_8601_to_utc_datetime(self):
dt = to_utc(datetime(2014, 12, 31, 15, 45, 30))
self.assertEquals(dt, from_iso_datetime('2014-12-31T15:45:30Z'))
self.assertEquals(dt, from_iso_datetime('2014-12-31T15:45:30'))
self.assertEquals(dt, from_iso_datetime('2014-12-31T15:45:30+00:00'))
self.assertEquals(dt, from_iso_datetime('2014-12-31T16:45:30+01:00'))
def test_converts_tz_aware_dt_to_utc(self):
cet = timezone('CET')
dt = datetime(2014, 12, 31, 16, 45, 30, tzinfo=cet)
self.assertEquals(datetime(2014, 12, 31, 15, 45, 30, tzinfo=pytz.utc),
to_utc(dt))
def test_assigns_utc_to_naive_dt(self):
naive_dt = datetime(2014, 12, 31, 15, 45, 30)
self.assertEquals(datetime(2014, 12, 31, 15, 45, 30, tzinfo=pytz.utc),
to_utc(naive_dt))
def test_doesnt_change_dt_already_in_utc(self):
dt = datetime(2014, 12, 31, 15, 45, 30, tzinfo=pytz.utc)
self.assertEquals(dt, to_utc(dt))
def test_parses_utc_iso_8601_to_utc_datetime(self):
dt = to_utc(datetime(2014, 12, 31, 15, 45, 30))
self.assertEquals(dt, from_iso_datetime('2014-12-31T15:45:30Z'))
self.assertEquals(dt, from_iso_datetime('2014-12-31T15:45:30'))
self.assertEquals(dt, from_iso_datetime('2014-12-31T15:45:30+00:00'))
self.assertEquals(dt, from_iso_datetime('2014-12-31T16:45:30+01:00'))
def test_doesnt_change_dt_already_in_utc(self):
dt = datetime(2014, 12, 31, 15, 45, 30, tzinfo=pytz.utc)
self.assertEquals(dt, to_utc(dt))
def test_assigns_utc_to_naive_dt(self):
naive_dt = datetime(2014, 12, 31, 15, 45, 30)
self.assertEquals(datetime(2014, 12, 31, 15, 45, 30, tzinfo=pytz.utc),
to_utc(naive_dt))
