import ddt import falcon import falcon.testing as testing @ddt.ddt class _TestQueryParams(testing.TestBase): def before(self): self.resource = testing.TestResource() self.api.add_route('/', self.resource) def test_none(self): query_string = '' self.simulate_request('/', query_string=query_string) req = self.resource.req store = {} self.assertIs(req.get_param('marker'), None) self.assertIs(req.get_param('limit', store), None) self.assertNotIn('limit', store) self.assertIs(req.get_param_as_int('limit'), None) self.assertIs(req.get_param_as_bool('limit'), None) self.assertIs(req.get_param_as_list('limit'), None) def test_blank(self): query_string = 'marker=' self.simulate_request('/', query_string=query_string) req = self.resource.req self.assertIs(req.get_param('marker'), None) store = {} self.assertIs(req.get_param('marker', store=store), None) self.assertNotIn('marker', store) def test_simple(self): query_string = 'marker=deadbeef&limit=25' self.simulate_request('/', query_string=query_string) req = self.resource.req store = {} self.assertEqual(req.get_param('marker', store=store) or 'nada', 'deadbeef') self.assertEqual(req.get_param('limit', store=store) or '0', '25') self.assertEqual(store['marker'], 'deadbeef') self.assertEqual(store['limit'], '25') def test_percent_encoded(self): query_string = 'id=23%2c42&q=%e8%b1%86+%e7%93%a3' self.simulate_request('/', query_string=query_string) req = self.resource.req # NOTE(kgriffs): For lists, get_param will return one of the # elements, but which one it will choose is undefined. self.assertIn(req.get_param('id'), [u'23', u'42']) self.assertEqual(req.get_param_as_list('id', int), [23, 42]) self.assertEqual(req.get_param('q'), u'\u8c46 \u74e3') def test_allowed_names(self): query_string = ('p=0&p1=23&2p=foo&some-thing=that&blank=&' 'some_thing=x&-bogus=foo&more.things=blah&' '_thing=42&_charset_=utf-8') self.simulate_request('/', query_string=query_string) req = self.resource.req self.assertEqual(req.get_param('p'), '0') self.assertEqual(req.get_param('p1'), '23') self.assertEqual(req.get_param('2p'), 'foo') self.assertEqual(req.get_param('some-thing'), 'that') self.assertIs(req.get_param('blank'), None) self.assertEqual(req.get_param('some_thing'), 'x') self.assertEqual(req.get_param('-bogus'), 'foo') self.assertEqual(req.get_param('more.things'), 'blah') self.assertEqual(req.get_param('_thing'), '42') self.assertEqual(req.get_param('_charset_'), 'utf-8') @ddt.data('get_param', 'get_param_as_int', 'get_param_as_bool', 'get_param_as_list') def test_required(self, method_name): query_string = '' self.simulate_request('/', query_string=query_string) req = self.resource.req try: getattr(req, method_name)('marker', required=True) self.fail('falcon.HTTPMissingParam not raised') except falcon.HTTPMissingParam as ex: self.assertEqual(ex.title, 'Missing query parameter') expected_desc = 'The "marker" query parameter is required.' self.assertEqual(ex.description, expected_desc) def test_int(self): query_string = 'marker=deadbeef&limit=25' self.simulate_request('/', query_string=query_string) req = self.resource.req try: req.get_param_as_int('marker') except Exception as ex: self.assertIsInstance(ex, falcon.HTTPBadRequest) self.assertIsInstance(ex, falcon.HTTPInvalidParam) self.assertEqual(ex.title, 'Invalid query parameter') expected_desc = ('The "marker" query parameter is invalid. ' 'The value must be an integer.') self.assertEqual(ex.description, expected_desc) self.assertEqual(req.get_param_as_int('limit'), 25) store = {} self.assertEqual(req.get_param_as_int('limit', store=store), 25) self.assertEqual(store['limit'], 25) self.assertEqual( req.get_param_as_int('limit', min=1, max=50), 25) self.assertRaises( falcon.HTTPBadRequest, req.get_param_as_int, 'limit', min=0, max=10) self.assertRaises( falcon.HTTPBadRequest, req.get_param_as_int, 'limit', min=0, max=24) self.assertRaises( falcon.HTTPBadRequest, req.get_param_as_int, 'limit', min=30, max=24) self.assertRaises( falcon.HTTPBadRequest, req.get_param_as_int, 'limit', min=30, max=50) self.assertEqual( req.get_param_as_int('limit', min=1), 25) self.assertEqual( req.get_param_as_int('limit', max=50), 25) self.assertEqual( req.get_param_as_int('limit', max=25), 25) self.assertEqual( req.get_param_as_int('limit', max=26), 25) self.assertEqual( req.get_param_as_int('limit', min=25), 25) self.assertEqual( req.get_param_as_int('limit', min=24), 25) self.assertEqual( req.get_param_as_int('limit', min=-24), 25) def test_int_neg(self): query_string = 'marker=deadbeef&pos=-7' self.simulate_request('/', query_string=query_string) req = self.resource.req self.assertEqual(req.get_param_as_int('pos'), -7) self.assertEqual( req.get_param_as_int('pos', min=-10, max=10), -7) self.assertEqual( req.get_param_as_int('pos', max=10), -7) self.assertRaises( falcon.HTTPBadRequest, req.get_param_as_int, 'pos', min=-6, max=0) self.assertRaises( falcon.HTTPBadRequest, req.get_param_as_int, 'pos', min=-6) self.assertRaises( falcon.HTTPBadRequest, req.get_param_as_int, 'pos', min=0, max=10) self.assertRaises( falcon.HTTPBadRequest, req.get_param_as_int, 'pos', min=0, max=10) def test_boolean(self): query_string = ('echo=true&doit=false&bogus=0&bogus2=1&' 't1=True&f1=False&t2=yes&f2=no&blank') self.simulate_request('/', query_string=query_string) req = self.resource.req self.assertRaises(falcon.HTTPBadRequest, req.get_param_as_bool, 'bogus') try: req.get_param_as_bool('bogus2') except Exception as ex: self.assertIsInstance(ex, falcon.HTTPInvalidParam) self.assertEqual(ex.title, 'Invalid query parameter') expected_desc = ('The "bogus2" query parameter is invalid. ' 'The value of the parameter must be "true" ' 'or "false".') self.assertEqual(ex.description, expected_desc) self.assertEqual(req.get_param_as_bool('echo'), True) self.assertEqual(req.get_param_as_bool('doit'), False) self.assertEqual(req.get_param_as_bool('t1'), True) self.assertEqual(req.get_param_as_bool('t2'), True) self.assertEqual(req.get_param_as_bool('f1'), False) self.assertEqual(req.get_param_as_bool('f2'), False) self.assertEqual(req.get_param('blank'), None) store = {} self.assertEqual(req.get_param_as_bool('echo', store=store), True) self.assertEqual(store['echo'], True) def test_boolean_blank(self): self.api.req_options.keep_blank_qs_values = True self.simulate_request( '/', query_string='blank&blank2=', ) req = self.resource.req self.assertEqual(req.get_param('blank'), '') self.assertEqual(req.get_param('blank2'), '') self.assertRaises(falcon.HTTPInvalidParam, req.get_param_as_bool, 'blank') self.assertRaises(falcon.HTTPInvalidParam, req.get_param_as_bool, 'blank2') self.assertEqual(req.get_param_as_bool('blank', blank_as_true=True), True) self.assertEqual(req.get_param_as_bool('blank3', blank_as_true=True), None) def test_list_type(self): query_string = ('colors=red,green,blue&limit=1' '&list-ish1=f,,x&list-ish2=,0&list-ish3=a,,,b' '&empty1=&empty2=,&empty3=,,' '&thing_one=1,,3' '&thing_two=1&thing_two=&thing_two=3') self.simulate_request('/', query_string=query_string) req = self.resource.req # NOTE(kgriffs): For lists, get_param will return one of the # elements, but which one it will choose is undefined. self.assertIn(req.get_param('colors'), ('red', 'green', 'blue')) self.assertEqual(req.get_param_as_list('colors'), ['red', 'green', 'blue']) self.assertEqual(req.get_param_as_list('limit'), ['1']) self.assertIs(req.get_param_as_list('marker'), None) self.assertEqual(req.get_param_as_list('empty1'), None) self.assertEqual(req.get_param_as_list('empty2'), []) self.assertEqual(req.get_param_as_list('empty3'), []) self.assertEqual(req.get_param_as_list('list-ish1'), ['f', 'x']) # Ensure that '0' doesn't get translated to None self.assertEqual(req.get_param_as_list('list-ish2'), ['0']) # Ensure that '0' doesn't get translated to None self.assertEqual(req.get_param_as_list('list-ish3'), ['a', 'b']) # Ensure consistency between list conventions self.assertEqual(req.get_param_as_list('thing_one'), ['1', '3']) self.assertEqual(req.get_param_as_list('thing_one'), req.get_param_as_list('thing_two')) store = {} self.assertEqual(req.get_param_as_list('limit', store=store), ['1']) self.assertEqual(store['limit'], ['1']) def test_list_type_blank(self): query_string = ('colors=red,green,blue&limit=1' '&list-ish1=f,,x&list-ish2=,0&list-ish3=a,,,b' '&empty1=&empty2=,&empty3=,,' '&thing_one=1,,3' '&thing_two=1&thing_two=&thing_two=3' '&empty4=&empty4&empty4=' '&empty5&empty5&empty5') self.api.req_options.keep_blank_qs_values = True self.simulate_request( '/', query_string=query_string ) req = self.resource.req # NOTE(kgriffs): For lists, get_param will return one of the # elements, but which one it will choose is undefined. self.assertIn(req.get_param('colors'), ('red', 'green', 'blue')) self.assertEqual(req.get_param_as_list('colors'), ['red', 'green', 'blue']) self.assertEqual(req.get_param_as_list('limit'), ['1']) self.assertIs(req.get_param_as_list('marker'), None) self.assertEqual(req.get_param_as_list('empty1'), ['']) self.assertEqual(req.get_param_as_list('empty2'), ['', '']) self.assertEqual(req.get_param_as_list('empty3'), ['', '', '']) self.assertEqual(req.get_param_as_list('list-ish1'), ['f', '', 'x']) # Ensure that '0' doesn't get translated to None self.assertEqual(req.get_param_as_list('list-ish2'), ['', '0']) # Ensure that '0' doesn't get translated to None self.assertEqual(req.get_param_as_list('list-ish3'), ['a', '', '', 'b']) # Ensure consistency between list conventions self.assertEqual(req.get_param_as_list('thing_one'), ['1', '', '3']) self.assertEqual(req.get_param_as_list('thing_one'), req.get_param_as_list('thing_two')) store = {} self.assertEqual(req.get_param_as_list('limit', store=store), ['1']) self.assertEqual(store['limit'], ['1']) # Test empty elements self.assertEqual(req.get_param_as_list('empty4'), ['', '', '']) self.assertEqual(req.get_param_as_list('empty5'), ['', '', '']) self.assertEqual(req.get_param_as_list('empty4'), req.get_param_as_list('empty5')) def test_list_transformer(self): query_string = 'coord=1.4,13,15.1&limit=100&things=4,,1' self.simulate_request('/', query_string=query_string) req = self.resource.req # NOTE(kgriffs): For lists, get_param will return one of the # elements, but which one it will choose is undefined. self.assertIn(req.get_param('coord'), ('1.4', '13', '15.1')) expected = [1.4, 13.0, 15.1] actual = req.get_param_as_list('coord', transform=float) self.assertEqual(actual, expected) expected = ['4', '1'] actual = req.get_param_as_list('things', transform=str) self.assertEqual(actual, expected) expected = [4, 1] actual = req.get_param_as_list('things', transform=int) self.assertEqual(actual, expected) try: req.get_param_as_list('coord', transform=int) except Exception as ex: self.assertIsInstance(ex, falcon.HTTPInvalidParam) self.assertEqual(ex.title, 'Invalid query parameter') expected_desc = ('The "coord" query parameter is invalid. ' 'The value is not formatted correctly.') self.assertEqual(ex.description, expected_desc) def test_param_property(self): query_string = 'ant=4&bee=3&cat=2&dog=1' self.simulate_request('/', query_string=query_string) req = self.resource.req self.assertEqual( sorted(req.params.items()), [('ant', '4'), ('bee', '3'), ('cat', '2'), ('dog', '1')]) def test_multiple_form_keys(self): query_string = 'ant=1&ant=2&bee=3&cat=6&cat=5&cat=4' self.simulate_request('/', query_string=query_string) req = self.resource.req # By definition, we cannot guarantee which of the multiple keys will # be returned by .get_param(). self.assertIn(req.get_param('ant'), ('1', '2')) # There is only one 'bee' key so it remains a scalar. self.assertEqual(req.get_param('bee'), '3') # There are three 'cat' keys; order is preserved. self.assertIn(req.get_param('cat'), ('6', '5', '4')) def test_multiple_keys_as_bool(self): query_string = 'ant=true&ant=yes&ant=True' self.simulate_request('/', query_string=query_string) req = self.resource.req self.assertEqual(req.get_param_as_bool('ant'), True) def test_multiple_keys_as_int(self): query_string = 'ant=1&ant=2&ant=3' self.simulate_request('/', query_string=query_string) req = self.resource.req self.assertIn(req.get_param_as_int('ant'), (1, 2, 3)) def test_multiple_form_keys_as_list(self): query_string = 'ant=1&ant=2&bee=3&cat=6&cat=5&cat=4' self.simulate_request('/', query_string=query_string) req = self.resource.req # There are two 'ant' keys. self.assertEqual(req.get_param_as_list('ant'), ['1', '2']) # There is only one 'bee' key.. self.assertEqual(req.get_param_as_list('bee'), ['3']) # There are three 'cat' keys; order is preserved. self.assertEqual(req.get_param_as_list('cat'), ['6', '5', '4']) class PostQueryParams(_TestQueryParams): def simulate_request(self, path, query_string, **kwargs): headers = {"Content-Type": "application/x-www-form-urlencoded"} super(PostQueryParams, self).simulate_request( path, body=query_string, headers=headers, **kwargs) def test_non_ascii(self): value = u'\u8c46\u74e3' query_string = b'q=' + value.encode('utf-8') self.simulate_request('/', query_string=query_string) req = self.resource.req self.assertEqual(req.get_param('q'), None) class GetQueryParams(_TestQueryParams): def simulate_request(self, path, query_string, **kwargs): super(GetQueryParams, self).simulate_request( path, query_string=query_string, **kwargs)