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from django.http import QueryDict
from django.template import RequestContext
from django.template.base import TemplateSyntaxError
from django.test import RequestFactory, SimpleTestCase
from ..utils import setup
class QueryStringTagTests(SimpleTestCase):
request_factory = RequestFactory()
def assertRenderEqual(self, template_name, context, expected):
output = self.engine.render_to_string(template_name, context)
self.assertEqual(output, expected)
def assertTemplateSyntaxError(self, template_name, context, expected):
with self.assertRaisesMessage(TemplateSyntaxError, expected):
self.engine.render_to_string(template_name, context)
@setup({"querystring_empty_get_params": "{% querystring %}"})
def test_querystring_empty_get_params(self):
context = RequestContext(self.request_factory.get("/"))
self.assertRenderEqual("querystring_empty_get_params", context, expected="?")
@setup({"querystring_remove_all_params": "{% querystring a=None %}"})
def test_querystring_remove_all_params(self):
non_empty_context = RequestContext(self.request_factory.get("/?a=b"))
empty_context = RequestContext(self.request_factory.get("/"))
for context in [non_empty_context, empty_context]:
with self.subTest(context=context):
self.assertRenderEqual("querystring_remove_all_params", context, "?")
@setup(
{
"querystring_remove_all_params_custom_querydict": (
"{% querystring my_query_dict my_dict a=None %}"
)
}
)
def test_querystring_remove_all_params_custom_querydict(self):
context = {"my_query_dict": QueryDict("a=1&b=2"), "my_dict": {"b": None}}
self.assertRenderEqual(
"querystring_remove_all_params_custom_querydict", context, "?"
)
@setup({"querystring_non_empty_get_params": "{% querystring %}"})
def test_querystring_non_empty_get_params(self):
request = self.request_factory.get("/", {"a": "b"})
context = RequestContext(request)
self.assertRenderEqual(
"querystring_non_empty_get_params", context, expected="?a=b"
)
@setup({"querystring_multiple": "{% querystring %}"})
def test_querystring_multiple(self):
request = self.request_factory.get("/", {"x": "y", "a": "b"})
context = RequestContext(request)
self.assertRenderEqual("querystring_multiple", context, expected="?x=y&a=b")
@setup({"querystring_empty_params": "{% querystring qd %}"})
def test_querystring_empty_params(self):
cases = [{}, QueryDict()]
request = self.request_factory.get("/")
qs = "?a=b"
request_with_qs = self.request_factory.get(f"/{qs}")
for param in cases:
# Empty `query_dict` and nothing on `request.GET`.
with self.subTest(param=param):
context = RequestContext(request, {"qd": param})
self.assertRenderEqual(
"querystring_empty_params", context, expected="?"
)
# Empty `query_dict` and a query string in `request.GET`.
with self.subTest(param=param, qs=qs):
context = RequestContext(request_with_qs, {"qd": param})
expected = "?" if param is not None else qs
self.assertRenderEqual("querystring_empty_params", context, expected)
@setup({"querystring_replace": "{% querystring a=1 %}"})
def test_querystring_replace(self):
request = self.request_factory.get("/", {"x": "y", "a": "b"})
context = RequestContext(request)
self.assertRenderEqual("querystring_replace", context, expected="?x=y&a=1")
@setup({"querystring_add": "{% querystring test_new='something' %}"})
def test_querystring_add(self):
request = self.request_factory.get("/", {"a": "b"})
context = RequestContext(request)
self.assertRenderEqual(
"querystring_add", context, expected="?a=b&test_new=something"
)
@setup({"querystring_remove": "{% querystring test=None a=1 %}"})
def test_querystring_remove(self):
request = self.request_factory.get("/", {"test": "value", "a": "1"})
context = RequestContext(request)
self.assertRenderEqual("querystring_remove", context, expected="?a=1")
@setup({"querystring_remove_nonexistent": "{% querystring nonexistent=None a=1 %}"})
def test_querystring_remove_nonexistent(self):
request = self.request_factory.get("/", {"x": "y", "a": "1"})
context = RequestContext(request)
self.assertRenderEqual(
"querystring_remove_nonexistent", context, expected="?x=y&a=1"
)
@setup({"querystring_remove_dict": "{% querystring my_dict a=1 %}"})
def test_querystring_remove_from_dict(self):
request = self.request_factory.get("/", {"test": "value"})
context = RequestContext(request, {"my_dict": {"test": None}})
self.assertRenderEqual("querystring_remove_dict", context, expected="?a=1")
@setup({"querystring_variable": "{% querystring a=a %}"})
def test_querystring_variable(self):
request = self.request_factory.get("/")
context = RequestContext(request, {"a": 1})
self.assertRenderEqual("querystring_variable", context, expected="?a=1")
@setup({"querystring_dict": "{% querystring my_dict %}"})
def test_querystring_dict(self):
context = {"my_dict": {"a": 1}}
self.assertRenderEqual("querystring_dict", context, expected="?a=1")
@setup({"querystring_dict_list": "{% querystring my_dict %}"})
def test_querystring_dict_list_values(self):
context = {"my_dict": {"a": [1, 2]}}
self.assertRenderEqual(
"querystring_dict_list", context, expected="?a=1&a=2"
)
@setup(
{
"querystring_multiple_args_override": (
"{% querystring my_dict my_query_dict x=3 y=None %}"
)
}
)
def test_querystring_multiple_args_override(self):
context = {"my_dict": {"x": 0, "y": 42}, "my_query_dict": QueryDict("a=1&b=2")}
self.assertRenderEqual(
"querystring_multiple_args_override",
context,
expected="?x=3&a=1&b=2",
)
@setup({"querystring_request_get_ignored": "{% querystring my_mapping %}"})
def test_querystring_request_get_ignored(self):
cases = [({"y": "x"}, "?y=x"), ({}, "?")]
request = self.request_factory.get("/", {"x": "y", "a": "b"})
for param, expected in cases:
with self.subTest(param=param):
context = RequestContext(request, {"my_mapping": param})
self.assertRenderEqual(
"querystring_request_get_ignored", context, expected=expected
)
@setup({"querystring_same_arg": "{% querystring a=1 a=2 %}"})
def test_querystring_same_arg(self):
msg = "'querystring' received multiple values for keyword argument 'a'"
self.assertTemplateSyntaxError("querystring_same_arg", {}, msg)
@setup({"querystring_non_mapping_args": "{% querystring somevar %}"})
def test_querystring_non_mapping_args(self):
cases = [None, 0, "", []]
request = self.request_factory.get("/")
msg = (
"querystring requires mappings for positional arguments (got %r "
"instead)."
)
for param in cases:
with self.subTest(param=param):
context = RequestContext(request, {"somevar": param})
self.assertTemplateSyntaxError(
"querystring_non_mapping_args", context, msg % param
)
@setup({"querystring_non_string_dict_keys": "{% querystring my_dict %}"})
def test_querystring_non_string_dict_keys(self):
context = {"my_dict": {0: 1}}
msg = "querystring requires strings for mapping keys (got 0 instead)."
self.assertTemplateSyntaxError("querystring_non_string_dict_keys", context, msg)
@setup({"querystring_list": "{% querystring a=my_list %}"})
def test_querystring_add_list(self):
request = self.request_factory.get("/")
context = RequestContext(request, {"my_list": [2, 3]})
self.assertRenderEqual("querystring_list", context, expected="?a=2&a=3")
@setup({"querystring_dict": "{% querystring a=my_dict %}"})
def test_querystring_add_dict(self):
request = self.request_factory.get("/")
context = RequestContext(request, {"my_dict": {i: i * 2 for i in range(3)}})
self.assertRenderEqual(
"querystring_dict", context, expected="?a=0&a=1&a=2"
)
@setup({"querystring_query_dict": "{% querystring request.GET a=2 %}"})
def test_querystring_with_explicit_query_dict(self):
request = self.request_factory.get("/", {"a": 1})
self.assertRenderEqual(
"querystring_query_dict", {"request": request}, expected="?a=2"
)
@setup({"querystring_query_dict_no_request": "{% querystring my_query_dict a=2 %}"})
def test_querystring_with_explicit_query_dict_and_no_request(self):
context = {"my_query_dict": QueryDict("a=1&b=2")}
self.assertRenderEqual(
"querystring_query_dict_no_request", context, expected="?a=2&b=2"
)
@setup({"querystring_no_request_no_query_dict": "{% querystring %}"})
def test_querystring_without_request_or_explicit_query_dict(self):
msg = "'Context' object has no attribute 'request'"
with self.assertRaisesMessage(AttributeError, msg):
self.engine.render_to_string("querystring_no_request_no_query_dict")
|
