* [PATCH] test/test_rack_hijack: ensure proper ordering of log messages
@ 2015-07-17 6:43 Eric Wong
0 siblings, 0 replies; only message in thread
From: Eric Wong @ 2015-07-17 6:43 UTC (permalink / raw)
To: yahns-public; +Cc: Eric Wong
Getting the logs to show up in order is tricky in a multithreaded
server...
---
test/test_rack_hijack.rb | 14 +++++++++++---
1 file changed, 11 insertions(+), 3 deletions(-)
diff --git a/test/test_rack_hijack.rb b/test/test_rack_hijack.rb
index 2a9f23e..101f085 100644
--- a/test/test_rack_hijack.rb
+++ b/test/test_rack_hijack.rb
@@ -52,19 +52,27 @@ class TestRackHijack < Testcase
end
pid = mkserver(cfg)
res = Net::HTTP.start(host, port) { |h| h.get("/hijack_req") }
+
+ wait_for_msg = lambda do |n|
+ tries = 10000
+ begin
+ Thread.new { Thread.pass }.join # calls sched_yield() on MRI
+ end until File.readlines(err.path).grep(/DieIfUsed/).size >= n ||
+ (tries -= 1) < 0
+ end
assert_equal "request.hijacked", res.body
assert_equal 200, res.code.to_i
assert_equal "1.0", res.http_version
+ wait_for_msg.call(1)
+
res = Net::HTTP.start(host, port) { |h| h.get("/hijack_res") }
assert_equal "response.hijacked", res.body
assert_equal 200, res.code.to_i
assert_equal "zzz", res["X-Test"]
assert_equal "1.1", res.http_version
- # hope this calls sched_yield() so the forked process runs and writes
- # to the log.
- Thread.new { Thread.pass }.join
+ wait_for_msg.call(2)
errs = File.readlines(err.path).grep(/DieIfUsed/)
assert_equal([ "INFO #{pid} closed DieIfUsed 1\n",
--
EW
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2015-07-17 6:43 [PATCH] test/test_rack_hijack: ensure proper ordering of log messages Eric Wong
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