mirror of
https://github.com/openfoodfoundation/openfoodnetwork
synced 2026-01-11 18:26:50 +00:00
64 lines
1.5 KiB
Bash
Executable File
64 lines
1.5 KiB
Bash
Executable File
#!/bin/bash
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#
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# If you suspect that a spec becomes flaky on slow machines:
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#
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# ./script/rspec-slow-repeat 10 spec/system/some_flaky_spec.rb
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#
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# You can use the resulting pass rate to asses if your code changes fixed it
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# or not. In the end I would run a spec 100 times to be sure it's stable.
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function finish() {
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echo "Exiting..."
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pkill -P $$
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if [ "$pass_rate" -lt 100 ]; then
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echo "Check tmp/rspec.log for details."
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exit 1
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else
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exit 0
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fi
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}
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trap finish SIGINT
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if [ "$#" -lt 1 ]; then
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echo "Usage: $0 <n> [rspec params]"
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echo "Example: $0 30 spec/system/admin/order_cycles/simple_spec.rb:202"
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exit 1
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fi
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n="$1"
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passed=0
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# Check via uname the environment we are running in to get the number of cores
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if [[ "`uname`" == "Darwin" ]]; then
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processors="`sysctl -n hw.ncpu.`"
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else
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processors="`cat /proc/cpuinfo | grep -c processor`"
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fi
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echo "Running $n times with $processors cores"
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# The purpose here is to occupy the CPU (yes command is not multi-threaded and it occupies only one core)
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# Start one process for each core, and then simulating a very busy CI environment with a 100% CPU load
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# increasing the chance of race conditions when executing specs.
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for i in `seq $processors`; do
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yes > /dev/null &
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done
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export RUBY_DEBUG_ENABLE=0
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export SPRING_QUIET=true
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for i in `seq "$n"`; do
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if ./bin/rspec "${@:2}" >> tmp/rspec.log; then
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echo "Pass."
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(( passed++ ))
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else
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echo " !!! Fail !!!"
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fi
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done
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pass_rate="$(( passed * 100 / n))"
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echo "$passed of $n passed ($pass_rate%)"
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finish
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