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local http_parser = require "net.http.parser";
local sha1 = require "util.hashes".sha1;
local parser_input_bytes = 3;
local function CRLF(s)
return (s:gsub("\n", "\r\n"));
end
local function test_stream(stream, expect)
local chunks_processed = 0;
local success_cb = spy.new(function (packet)
assert.is_table(packet);
if packet.body ~= false then
assert.is_equal(expect.body, packet.body);
end
if expect.chunks then
if chunks_processed == 0 then
assert.is_true(packet.partial);
packet.body_sink = {
write = function (_, data)
chunks_processed = chunks_processed + 1;
assert.equal(expect.chunks[chunks_processed], data);
return true;
end;
};
end
end
end);
local function options_cb()
return {
-- Force streaming API mode
body_size_limit = expect.chunks and 0 or nil;
buffer_size_limit = 10*1024*2;
};
end
local parser = http_parser.new(success_cb, error, (stream[1] or stream):sub(1,4) == "HTTP" and "client" or "server", options_cb)
if type(stream) == "string" then
for chunk in stream:gmatch("."..string.rep(".?", parser_input_bytes-1)) do
parser:feed(chunk);
end
else
for _, chunk in ipairs(stream) do
parser:feed(chunk);
end
end
if expect.chunks then
assert.equal(chunks_processed, #expect.chunks);
end
assert.spy(success_cb).was_called(expect.count or 1);
end
describe("net.http.parser", function()
describe("parser", function()
it("should handle requests with no content-length or body", function ()
test_stream(
CRLF[[
GET / HTTP/1.1
Host: example.com
]],
{
body = "";
}
);
end);
it("should handle responses with empty body", function ()
test_stream(
CRLF[[
HTTP/1.1 200 OK
Content-Length: 0
]],
{
body = "";
}
);
end);
it("should handle simple responses", function ()
test_stream(
CRLF[[
HTTP/1.1 200 OK
Content-Length: 7
Hello
]],
{
body = "Hello\r\n", count = 1;
}
);
end);
it("should handle chunked encoding in responses", function ()
test_stream(
CRLF[[
HTTP/1.1 200 OK
Transfer-Encoding: chunked
1
H
1
e
2
ll
1
o
0
]],
{
body = "Hello", count = 3;
}
);
end);
it("should handle a stream of responses", function ()
test_stream(
CRLF[[
HTTP/1.1 200 OK
Content-Length: 5
Hello
HTTP/1.1 200 OK
Transfer-Encoding: chunked
1
H
1
e
2
ll
1
o
0
]],
{
body = "Hello", count = 4;
}
);
end);
it("should correctly find chunk boundaries", function ()
test_stream({
CRLF[[
HTTP/1.1 200 OK
Transfer-Encoding: chunked
]].."3\r\n:)\n\r\n"},
{
count = 1; -- Once (partial)
chunks = {
":)\n"
};
}
);
end);
it("should reject very large request heads", function()
local finished = false;
local success_cb = spy.new(function()
finished = true;
end)
local error_cb = spy.new(function()
finished = true;
end)
local parser = http_parser.new(success_cb, error_cb, "server", function()
return { head_size_limit = 1024; body_size_limit = 1024; buffer_size_limit = 2048 };
end)
parser:feed("GET / HTTP/1.1\r\n");
for i = 1, 64 do -- * header line > buffer_size_limit
parser:feed(string.format("Header-%04d: Yet-AnotherValue\r\n", i));
if finished then
-- should hit an error around half-way
break
end
end
if not finished then
parser:feed("\r\n")
end
assert.spy(success_cb).was_called(0);
assert.spy(error_cb).was_called(1);
assert.spy(error_cb).was_called_with("header-too-large");
end)
end);
it("should handle large chunked responses", function ()
local data = io.open("spec/inputs/http/httpstream-chunked-test.txt", "rb"):read("*a");
-- Just a sanity check... text editors and things may mess with line endings, etc.
assert.equal("25930f021785ae14053a322c2dbc1897c3769720", sha1(data, true), "test data malformed");
test_stream(data, {
body = string.rep("~", 11085), count = 3;
});
end);
end);
|
