98 lines
3.8 KiB
Bash
Executable File
98 lines
3.8 KiB
Bash
Executable File
#!/bin/bash
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# Copyright The Lightning AI team.
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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set -e
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# THIS FILE ASSUMES IT IS RUN INSIDE THE tests/tests_<package> DIRECTORY
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# Batch size for testing: Determines how many standalone test invocations run in parallel
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# It can be set through the env variable PL_STANDALONE_TESTS_BATCH_SIZE and defaults to 6 if not set
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test_batch_size="${PL_STANDALONE_TESTS_BATCH_SIZE:-6}"
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source="${PL_STANDALONE_TESTS_SOURCE:-"lightning"}"
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# this environment variable allows special tests to run
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export PL_RUN_STANDALONE_TESTS=1
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# python arguments
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defaults=" -m coverage run --source ${source} --append -m pytest --no-header -v -s --timeout 120 "
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echo "Using defaults: ${defaults}"
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# get the testing location as the first argument
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test_path=$1
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printf "source path: $test_path\n"
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# collect all tests with parametrization based filtering with PL_RUN_STANDALONE_TESTS
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standalone_tests=$(python3 -m pytest $test_path -q --collect-only --pythonwarnings ignore)
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printf "Collected tests: \n $standalone_tests\n"
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# match only lines with tests
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parametrizations=$(perl -nle 'print $& while m{\S+::test_\S+}g' <<< "$standalone_tests")
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# convert the list to be array
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parametrizations_arr=($parametrizations)
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report=''
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rm -f standalone_test_output.txt # in case it exists, remove it
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rm -f testnames.txt
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function show_batched_output {
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if [ -f standalone_test_output.txt ]; then # if exists
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cat standalone_test_output.txt
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# heuristic: stop if there's mentions of errors. this can prevent false negatives when only some of the ranks fail
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if perl -nle 'print if /error|(?<!(?-i)on_)exception|traceback|(?<!(?-i)x)failed/i' standalone_test_output.txt | grep -qv -f testnames.txt; then
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echo "Potential error! Stopping."
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perl -nle 'print if /error|(?<!(?-i)on_)exception|traceback|(?<!(?-i)x)failed/i' standalone_test_output.txt
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rm standalone_test_output.txt
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exit 1
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fi
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rm standalone_test_output.txt
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fi
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}
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trap show_batched_output EXIT # show the output on exit
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# remove the "tests/tests_pytorch/" path suffixes
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path_prefix=$(basename "$(dirname "$(pwd)")")/$(basename "$(pwd)")"/" # https://stackoverflow.com/a/8223345
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for i in "${!parametrizations_arr[@]}"; do
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parametrization=${parametrizations_arr[$i]//$path_prefix/}
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prefix="$((i+1))/${#parametrizations_arr[@]}"
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echo "$prefix: Running $parametrization"
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echo $parametrization | sed 's/\[[^][]*\]//g' >> testnames.txt
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# fix the port to avoid race condition when batched distributed tests select the port randomly
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export MASTER_PORT=$((29500 + $i % $test_batch_size))
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# execute the test in the background
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# redirect to a log file that buffers test output. since the tests will run in the background, we cannot let them
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# output to std{out,err} because the outputs would be garbled together
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python3 ${defaults} "$parametrization" &>> standalone_test_output.txt &
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# save the PID in an array
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pids[${i}]=$!
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# add row to the final report
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report+="Ran\t$parametrization\n"
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if ((($i + 1) % $test_batch_size == 0)); then
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# wait for running tests
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for pid in ${pids[*]}; do wait $pid; done
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unset pids # empty the array
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show_batched_output
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fi
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done
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# wait for leftover tests
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for pid in ${pids[*]}; do wait $pid; done
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show_batched_output
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# echo test report
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printf '=%.s' {1..80}
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printf "\n$report"
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printf '=%.s' {1..80}
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printf '\n'
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