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Make WEBrick test teardown block until the server thread exits #165

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Merged
andsel merged 2 commits into from
Sep 15, 2026
Merged

Make WEBrick test teardown block until the server thread exits #165

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f8ca8ea
Initial plan
Copilot Sep 8, 2026
b1447f6
test: block until WEBrick server threads stop
Copilot Sep 8, 2026
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11 changes: 4 additions & 7 deletions spec/outputs/http_spec.rb
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Original file line number Diff line number Diff line change
Expand Up @@ -5,12 +5,11 @@
# Requires pool_max to be 1

before(:all) do
@server = start_app_and_wait(TestApp)
@server, @server_thread = start_app_and_wait(TestApp)
end

after(:all) do
@server.shutdown # WEBrick::HTTPServer
TestApp.stop! rescue nil
stop_app_and_wait(TestApp, @server, @server_thread)
end

let(:port) { PORT }
Expand Down Expand Up @@ -450,7 +449,7 @@

TestApp.last_request = nil

@server = start_app_and_wait(TestApp)
@server, @server_thread = start_app_and_wait(TestApp)
end

let(:webrick_config) do
Expand All @@ -464,9 +463,7 @@
end

after do
@server.shutdown # WEBrick::HTTPServer

TestApp.stop! rescue nil
stop_app_and_wait(TestApp, @server, @server_thread)
TestApp.server_settings = default_server_settings
end

Expand Down
16 changes: 13 additions & 3 deletions spec/spec_helper.rb
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Original file line number Diff line number Diff line change
Expand Up @@ -104,8 +104,7 @@ def self.retry_fail_count()
#http://stackoverflow.com/questions/6557079/start-and-call-ruby-http-server-in-the-same-script
def start_app_and_wait(app, opts = {})
queue = Queue.new

Thread.start do
server_thread = Thread.start do
begin
app.start!({ server: 'WEBrick', port: PORT }.merge opts) do |server|
yield(server) if block_given?
Expand All @@ -116,7 +115,18 @@ def start_app_and_wait(app, opts = {})
end
end

queue.pop # blocks until the start! callback runs
server = queue.pop # blocks until the start! callback runs
[server, server_thread]
end

def stop_app_and_wait(app, server, server_thread)
app.stop! rescue nil
server.shutdown rescue nil

unless server_thread.join(30)
warn "Timed out waiting for test server thread to stop"
server_thread.kill
end
end

config.extend(Module.new do
Expand Down
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