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from django.http import QueryDict
from django.template import RequestContext
from django.test import RequestFactory, SimpleTestCase
from ..utils import setup
class QueryStringTagTests(SimpleTestCase):
def setUp(self):
self.request_factory = RequestFactory()
@setup({"query_string_empty": "{% query_string %}"})
def test_query_string_empty(self):
request = self.request_factory.get("/")
template = self.engine.get_template("query_string_empty")
context = RequestContext(request)
output = template.render(context)
self.assertEqual(output, "")
@setup({"query_string_non_empty": "{% query_string %}"})
def test_query_string_non_empty(self):
request = self.request_factory.get("/", {"a": "b"})
template = self.engine.get_template("query_string_non_empty")
context = RequestContext(request)
output = template.render(context)
self.assertEqual(output, "?a=b")
@setup({"query_string_multiple": "{% query_string %}"})
def test_query_string_multiple(self):
request = self.request_factory.get("/", {"x": "y", "a": "b"})
template = self.engine.get_template("query_string_multiple")
context = RequestContext(request)
output = template.render(context)
self.assertEqual(output, "?x=y&a=b")
@setup({"query_string_replace": "{% query_string a=1 %}"})
def test_query_string_replace(self):
request = self.request_factory.get("/", {"x": "y", "a": "b"})
template = self.engine.get_template("query_string_replace")
context = RequestContext(request)
output = template.render(context)
self.assertEqual(output, "?x=y&a=1")
@setup({"query_string_add": "{% query_string test_new='something' %}"})
def test_query_string_add(self):
request = self.request_factory.get("/", {"a": "b"})
template = self.engine.get_template("query_string_add")
context = RequestContext(request)
output = template.render(context)
self.assertEqual(output, "?a=b&test_new=something")
@setup({"query_string_remove": "{% query_string test=None a=1 %}"})
def test_query_string_remove(self):
request = self.request_factory.get("/", {"test": "value", "a": "1"})
template = self.engine.get_template("query_string_remove")
context = RequestContext(request)
output = template.render(context)
self.assertEqual(output, "?a=1")
@setup(
{"query_string_remove_nonexistent": "{% query_string nonexistent=None a=1 %}"}
)
def test_query_string_remove_nonexistent(self):
request = self.request_factory.get("/", {"x": "y", "a": "1"})
template = self.engine.get_template("query_string_remove_nonexistent")
context = RequestContext(request)
output = template.render(context)
self.assertEqual(output, "?x=y&a=1")
@setup({"query_string_list": "{% query_string a=my_list %}"})
def test_query_string_add_list(self):
request = self.request_factory.get("/")
template = self.engine.get_template("query_string_list")
context = RequestContext(request, {"my_list": [2, 3]})
output = template.render(context)
self.assertEqual(output, "?a=2&a=3")
@setup({"query_string_query_dict": "{% query_string request.GET a=2 %}"})
def test_query_string_with_explicit_query_dict(self):
request = self.request_factory.get("/", {"a": 1})
output = self.engine.render_to_string(
"query_string_query_dict", {"request": request}
)
self.assertEqual(output, "?a=2")
@setup(
{"query_string_query_dict_no_request": "{% query_string my_query_dict a=2 %}"}
)
def test_query_string_with_explicit_query_dict_and_no_request(self):
context = {"my_query_dict": QueryDict("a=1&b=2")}
output = self.engine.render_to_string(
"query_string_query_dict_no_request", context
)
self.assertEqual(output, "?a=2&b=2")
@setup({"query_string_no_request_no_query_dict": "{% query_string %}"})
def test_query_string_without_request_or_explicit_query_dict(self):
msg = "'Context' object has no attribute 'request'"
with self.assertRaisesMessage(AttributeError, msg):
self.engine.render_to_string("query_string_no_request_no_query_dict")
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