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describe("http2 connection", function()
local h2_connection = require "http.h2_connection"
local new_headers = require "http.headers".new
local cqueues = require "cqueues"
local ca = require "cqueues.auxlib"
local cc = require "cqueues.condition"
local ce = require "cqueues.errno"
local cs = require "cqueues.socket"
local function new_pair()
local s, c = ca.assert(cs.pair())
s = assert(h2_connection.new(s, "server"))
c = assert(h2_connection.new(c, "client"))
return s, c
end
it("has a pretty __tostring", function()
do
local s, c = new_pair()
local stream = c:new_stream()
assert.same("http.h2_stream{", tostring(stream):match("^.-%{"))
assert.same("http.h2_connection{", tostring(c):match("^.-%{"))
c:close()
s:close()
end
do -- Start an actual connection so that the tostring shows dependant streams
local s, c = new_pair()
local stream = c:new_stream()
assert.same("http.h2_stream{", tostring(stream):match("^.-%{"))
assert.same("http.h2_connection{", tostring(c):match("^.-%{"))
stream:shutdown()
assert(c:close())
assert(s:close())
end
end)
it("Rejects invalid #preface", function()
local function test_preface(text)
local s, c = ca.assert(cs.pair())
local cq = cqueues.new()
cq:wrap(function()
s = assert(h2_connection.new(s, "server"))
local ok, err = s:step()
assert.same(nil, ok)
assert.same("invalid connection preface. not an http2 client?", err.message)
end)
cq:wrap(function()
assert(c:xwrite(text, "n"))
end)
assert_loop(cq, TEST_TIMEOUT)
assert.truthy(cq:empty())
c:close()
s:close()
end
test_preface("invalid preface")
test_preface("PRI * HTTP/2.0\r\n\r\nSM\r\n\r") -- missing last \n
test_preface(("long string"):rep(1000))
end)
it("Doesn't busy-loop looking for #preface", function()
local s, c = ca.assert(cs.pair())
s = assert(h2_connection.new(s, "server"))
assert(s:step(0))
assert.not_same(0, (s:timeout()))
c:close()
s:close()
end)
it("read_http2_frame fails with EILSEQ on corrupt frame", function()
local spack = string.pack or require "compat53.string".pack -- luacheck: ignore 143
local s, c = ca.assert(cs.pair())
local cq = cqueues.new()
cq:wrap(function()
c = assert(h2_connection.new(c, "client"))
assert.same(ce.EILSEQ, select(3, c:read_http2_frame()))
c:close()
end)
cq:wrap(function()
assert(s:xwrite(spack(">I3 B B I4", 100, 0x6, 0, 0), "bf"))
assert(s:xwrite("not 100 bytes", "bn"))
s:close()
end)
assert_loop(cq, TEST_TIMEOUT)
assert.truthy(cq:empty())
end)
it("read_http2_frame is cqueues thread-safe", function()
local spack = string.pack or require "compat53.string".pack -- luacheck: ignore 143
local s, c = ca.assert(cs.pair())
c = assert(h2_connection.new(c, "client"))
local cq = cqueues.new()
cq:wrap(function()
local typ, flags, id, payload = assert(c:read_http2_frame())
assert.same(0, typ)
assert.same(0, flags)
assert.same(0, id)
assert.same("ninebytes", payload)
end)
cq:wrap(function()
local frame_header = spack(">I3 B B I4", 9, 0, 0, 0)
assert(s:xwrite(frame_header .. "nine", "bn"))
cqueues.sleep(0.001) -- let other thread block on reading frame body
assert(s:xwrite("chars", "bn"))
local typ, flags, id, payload = assert(c:read_http2_frame())
assert.same(0, typ)
assert.same(0, flags)
assert.same(0, id)
assert.same("ninechars", payload)
-- send a 2nd frame
assert(s:xwrite(frame_header .. "ninebytes", "bn"))
s:close()
end)
assert_loop(cq, TEST_TIMEOUT)
assert.truthy(cq:empty())
c:close()
end)
it("Can #ping back and forth", function()
local s, c = new_pair()
local cq = cqueues.new()
cq:wrap(function()
cq:wrap(function()
for _=1, 10 do
assert(c:ping())
end
assert(c:shutdown())
end)
assert_loop(c)
assert(c:close())
end)
cq:wrap(function()
cq:wrap(function()
assert(s:ping())
end)
assert_loop(s)
assert(s:close())
end)
assert_loop(cq, TEST_TIMEOUT)
assert.truthy(cq:empty())
end)
it("Can #ping without a driving loop", function()
local s, c = new_pair()
local cq = cqueues.new()
cq:wrap(function()
for _=1, 10 do
assert(c:ping())
end
assert(c:close())
end)
cq:wrap(function()
assert_loop(s)
assert(s:close())
end)
assert_loop(cq, TEST_TIMEOUT)
assert.truthy(cq:empty())
end)
it("streams used out of order", function()
local s, c = new_pair()
local cq = cqueues.new()
cq:wrap(function()
local client_stream1 = c:new_stream()
local client_stream2 = c:new_stream()
local req_headers = new_headers()
req_headers:append(":method", "GET")
req_headers:append(":scheme", "http")
req_headers:append(":path", "/2")
assert(client_stream2:write_headers(req_headers, true))
req_headers:upsert(":path", "/1")
assert(client_stream1:write_headers(req_headers, true))
assert(c:close())
end)
cq:wrap(function()
for i=1, 2 do
local stream = assert(s:get_next_incoming_stream())
local headers = assert(stream:get_headers())
assert(string.format("/%d", i), headers:get(":path"))
end
assert(s:close())
end)
assert_loop(cq, TEST_TIMEOUT)
assert.truthy(cq:empty())
end)
it("waits for peer flow #credits", function()
local s, c = new_pair()
local cq = cqueues.new()
local client_stream
cq:wrap(function()
client_stream = c:new_stream()
local req_headers = new_headers()
req_headers:append(":method", "GET")
req_headers:append(":scheme", "http")
req_headers:append(":path", "/")
assert(client_stream:write_headers(req_headers, false))
local ok, cond = 0, cc.new()
cq:wrap(function()
ok = ok + 1
if ok == 2 then cond:signal() end
assert(c.peer_flow_credits_change:wait(TEST_TIMEOUT/2), "no connection credits")
end)
cq:wrap(function()
ok = ok + 1
if ok == 2 then cond:signal() end
assert(client_stream.peer_flow_credits_change:wait(TEST_TIMEOUT/2), "no stream credits")
end)
cond:wait() -- wait for above threads to get scheduled
assert(client_stream:write_chunk(("really long string"):rep(1e4), true))
assert_loop(c)
assert(c:close())
end)
local len = 0
cq:wrap(function()
local stream = assert(s:get_next_incoming_stream())
while true do
local chunk, err = stream:get_next_chunk()
if chunk == nil then
if err == nil then
break
else
error(err)
end
end
len = len + #chunk
end
assert(s:close())
end)
assert_loop(cq, TEST_TIMEOUT)
assert.truthy(cq:empty())
assert.same(client_stream.stats_sent, len)
end)
describe("priority", function()
it("allows sending priority frames", function()
local s, c = new_pair()
local cq = cqueues.new()
cq:wrap(function()
local parent_stream = c:new_stream()
assert(parent_stream:write_priority_frame(false, 0, 201))
parent_stream:shutdown()
assert(c:close())
end)
cq:wrap(function()
local stream = assert(s:get_next_incoming_stream())
assert.same(201, stream.weight)
stream:shutdown()
assert(s:close())
end)
assert_loop(cq, TEST_TIMEOUT)
assert.truthy(cq:empty())
end)
it("sets default priority for streams with missing parent", function()
local cq = cqueues.new()
local s, c = new_pair()
cq:wrap(function()
local client_stream = c:new_stream()
local req_headers = new_headers()
req_headers:append(":method", "GET")
req_headers:append(":scheme", "http")
req_headers:append(":path", "/")
-- Encode HEADER payload and send with dependency on missing stream
c.encoding_context:encode_headers(req_headers)
local payload = c.encoding_context:render_data()
c.encoding_context:clear_data()
assert(client_stream:write_headers_frame(payload, true, true, nil, nil, 99, 99))
client_stream:shutdown()
assert(c:close())
end)
cq:wrap(function()
local stream = assert(s:get_next_incoming_stream())
-- Check if set to default priority instead of missing parent
assert.is_not.same(stream.weight, 99)
stream:shutdown()
assert(s:close())
end)
assert_loop(cq, TEST_TIMEOUT)
assert.truthy(cq:empty())
end)
end)
describe("settings", function()
it("correctly handles odd frame sizes", function()
local s, c = ca.assert(cs.pair())
-- should error if < 16384
assert.has.errors(function()
h2_connection.new(c, "client", {[0x5]=1}, TEST_TIMEOUT)
end)
assert.has.errors(function()
h2_connection.new(c, "client", {[0x5]=16383}, TEST_TIMEOUT)
end)
-- should error if > 2^24
assert.has.errors(function()
h2_connection.new(c, "client", {[0x5]=2^24}, TEST_TIMEOUT)
end)
assert.has.errors(function()
h2_connection.new(c, "client", {[0x5]=2^32}, TEST_TIMEOUT)
end)
assert.has.errors(function()
h2_connection.new(c, "client", {[0x5]=math.huge}, TEST_TIMEOUT)
end)
s:close()
c:close()
end)
end)
end)
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