django/tests/responses/tests.py

181 lines
6.3 KiB
Python

import io
from django.conf import settings
from django.core.cache import cache
from django.http import HttpResponse
from django.http.response import HttpResponseBase
from django.test import SimpleTestCase
UTF8 = "utf-8"
ISO88591 = "iso-8859-1"
class HttpResponseBaseTests(SimpleTestCase):
def test_closed(self):
r = HttpResponseBase()
self.assertIs(r.closed, False)
r.close()
self.assertIs(r.closed, True)
def test_write(self):
r = HttpResponseBase()
self.assertIs(r.writable(), False)
with self.assertRaisesMessage(
OSError, "This HttpResponseBase instance is not writable"
):
r.write("asdf")
with self.assertRaisesMessage(
OSError, "This HttpResponseBase instance is not writable"
):
r.writelines(["asdf\n", "qwer\n"])
def test_tell(self):
r = HttpResponseBase()
with self.assertRaisesMessage(
OSError, "This HttpResponseBase instance cannot tell its position"
):
r.tell()
def test_setdefault(self):
"""
HttpResponseBase.setdefault() should not change an existing header
and should be case insensitive.
"""
r = HttpResponseBase()
r.headers["Header"] = "Value"
r.setdefault("header", "changed")
self.assertEqual(r.headers["header"], "Value")
r.setdefault("x-header", "DefaultValue")
self.assertEqual(r.headers["X-Header"], "DefaultValue")
def test_charset_setter(self):
r = HttpResponseBase()
r.charset = "utf-8"
self.assertEqual(r.charset, "utf-8")
def test_reason_phrase_setter(self):
r = HttpResponseBase()
r.reason_phrase = "test"
self.assertEqual(r.reason_phrase, "test")
class HttpResponseTests(SimpleTestCase):
def test_status_code(self):
resp = HttpResponse(status=503)
self.assertEqual(resp.status_code, 503)
self.assertEqual(resp.reason_phrase, "Service Unavailable")
def test_change_status_code(self):
resp = HttpResponse()
resp.status_code = 503
self.assertEqual(resp.status_code, 503)
self.assertEqual(resp.reason_phrase, "Service Unavailable")
def test_valid_status_code_string(self):
resp = HttpResponse(status="100")
self.assertEqual(resp.status_code, 100)
resp = HttpResponse(status="404")
self.assertEqual(resp.status_code, 404)
resp = HttpResponse(status="599")
self.assertEqual(resp.status_code, 599)
def test_invalid_status_code(self):
must_be_integer = "HTTP status code must be an integer."
must_be_integer_in_range = (
"HTTP status code must be an integer from 100 to 599."
)
with self.assertRaisesMessage(TypeError, must_be_integer):
HttpResponse(status=object())
with self.assertRaisesMessage(TypeError, must_be_integer):
HttpResponse(status="J'attendrai")
with self.assertRaisesMessage(ValueError, must_be_integer_in_range):
HttpResponse(status=99)
with self.assertRaisesMessage(ValueError, must_be_integer_in_range):
HttpResponse(status=600)
def test_reason_phrase(self):
reason = "I'm an anarchist coffee pot on crack."
resp = HttpResponse(status=419, reason=reason)
self.assertEqual(resp.status_code, 419)
self.assertEqual(resp.reason_phrase, reason)
def test_charset_detection(self):
"""HttpResponse should parse charset from content_type."""
response = HttpResponse("ok")
self.assertEqual(response.charset, settings.DEFAULT_CHARSET)
response = HttpResponse(charset=ISO88591)
self.assertEqual(response.charset, ISO88591)
self.assertEqual(
response.headers["Content-Type"], "text/html; charset=%s" % ISO88591
)
response = HttpResponse(
content_type="text/plain; charset=%s" % UTF8, charset=ISO88591
)
self.assertEqual(response.charset, ISO88591)
response = HttpResponse(content_type="text/plain; charset=%s" % ISO88591)
self.assertEqual(response.charset, ISO88591)
response = HttpResponse(content_type='text/plain; charset="%s"' % ISO88591)
self.assertEqual(response.charset, ISO88591)
response = HttpResponse(content_type="text/plain; charset=")
self.assertEqual(response.charset, settings.DEFAULT_CHARSET)
response = HttpResponse(content_type="text/plain")
self.assertEqual(response.charset, settings.DEFAULT_CHARSET)
def test_response_content_charset(self):
"""HttpResponse should encode based on charset."""
content = "Café :)"
utf8_content = content.encode(UTF8)
iso_content = content.encode(ISO88591)
response = HttpResponse(utf8_content)
self.assertContains(response, utf8_content)
response = HttpResponse(
iso_content, content_type="text/plain; charset=%s" % ISO88591
)
self.assertContains(response, iso_content)
response = HttpResponse(iso_content)
self.assertContains(response, iso_content)
response = HttpResponse(iso_content, content_type="text/plain")
self.assertContains(response, iso_content)
def test_repr(self):
response = HttpResponse(content="Café :)".encode(UTF8), status=201)
expected = '<HttpResponse status_code=201, "text/html; charset=utf-8">'
self.assertEqual(repr(response), expected)
def test_repr_no_content_type(self):
response = HttpResponse(status=204)
del response.headers["Content-Type"]
self.assertEqual(repr(response), "<HttpResponse status_code=204>")
def test_wrap_textiowrapper(self):
content = "Café :)"
r = HttpResponse()
with io.TextIOWrapper(r, UTF8) as buf:
buf.write(content)
self.assertEqual(r.content, content.encode(UTF8))
def test_generator_cache(self):
generator = (str(i) for i in range(10))
response = HttpResponse(content=generator)
self.assertEqual(response.content, b"0123456789")
with self.assertRaises(StopIteration):
next(generator)
cache.set("my-response-key", response)
response = cache.get("my-response-key")
self.assertEqual(response.content, b"0123456789")