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import collections
from netlib.http.headers import Headers, parse_content_type, assemble_content_type
from netlib.tutils import raises
class TestHeaders(object):
def _2host(self):
return Headers(
(
(b"Host", b"example.com"),
(b"host", b"example.org")
)
)
def test_init(self):
headers = Headers()
assert len(headers) == 0
headers = Headers([[b"Host", b"example.com"]])
assert len(headers) == 1
assert headers["Host"] == "example.com"
headers = Headers(Host="example.com")
assert len(headers) == 1
assert headers["Host"] == "example.com"
headers = Headers(
[[b"Host", b"invalid"]],
Host="example.com"
)
assert len(headers) == 1
assert headers["Host"] == "example.com"
headers = Headers(
[[b"Host", b"invalid"], [b"Accept", b"text/plain"]],
Host="example.com"
)
assert len(headers) == 2
assert headers["Host"] == "example.com"
assert headers["Accept"] == "text/plain"
with raises(TypeError):
Headers([[b"Host", u"not-bytes"]])
def test_set(self):
headers = Headers()
headers[u"foo"] = u"1"
headers[b"bar"] = b"2"
headers["baz"] = b"3"
with raises(TypeError):
headers["foobar"] = 42
assert len(headers) == 3
def test_bytes(self):
headers = Headers(Host="example.com")
assert bytes(headers) == b"Host: example.com\r\n"
headers = Headers([
[b"Host", b"example.com"],
[b"Accept", b"text/plain"]
])
assert bytes(headers) == b"Host: example.com\r\nAccept: text/plain\r\n"
headers = Headers()
assert bytes(headers) == b""
def test_replace_simple(self):
headers = Headers(Host="example.com", Accept="text/plain")
replacements = headers.replace("Host: ", "X-Host: ")
assert replacements == 1
assert headers["X-Host"] == "example.com"
assert "Host" not in headers
assert headers["Accept"] == "text/plain"
def test_replace_multi(self):
headers = self._2host()
headers.replace(r"Host: example\.com", r"Host: example.de")
assert headers.get_all("Host") == ["example.de", "example.org"]
def test_replace_remove_spacer(self):
headers = Headers(Host="example.com")
replacements = headers.replace(r"Host: ", "X-Host ")
assert replacements == 0
assert headers["Host"] == "example.com"
def test_replace_with_count(self):
headers = Headers(Host="foobarfoo.com", Accept="foo/bar")
replacements = headers.replace("foo", "bar", count=1)
assert replacements == 1
def test_parse_content_type():
p = parse_content_type
assert p("text/html") == ("text", "html", {})
assert p("text") is None
v = p("text/html; charset=UTF-8")
assert v == ('text', 'html', {'charset': 'UTF-8'})
def test_assemble_content_type():
p = assemble_content_type
assert p("text", "html", {}) == "text/html"
assert p("text", "html", {"charset": "utf8"}) == "text/html; charset=utf8"
assert p("text", "html", collections.OrderedDict([("charset", "utf8"), ("foo", "bar")])) == "text/html; charset=utf8; foo=bar"
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