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Add a Sytest blacklist file (#849)

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Andrew Morgan 2020-01-22 13:31:22 +00:00 committed by GitHub
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4 changed files with 70 additions and 23 deletions

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@ -2,16 +2,17 @@
Dendrite uses [SyTest](https://github.com/matrix-org/sytest) for its
integration testing. When creating a new PR, add the test IDs (see below) that
your PR should allow to pass to `testfile` in dendrite's root directory. Not all
PRs need to make new tests pass. If we find your PR should be making a test pass
we may ask you to add to that file, as generally Dendrite's progress can be
tracked through the amount of SyTest tests it passes.
your PR should allow to pass to `sytest-whitelist` in dendrite's root
directory. Not all PRs need to make new tests pass. If we find your PR should
be making a test pass we may ask you to add to that file, as generally
Dendrite's progress can be tracked through the amount of SyTest tests it
passes.
## Finding out which tests to add
We recommend you run the tests locally by manually setting up SyTest or using a
SyTest docker image. After running the tests, a script will print the tests you
need to add to `testfile` for you.
need to add to `sytest-whitelist`.
You should proceed after you see no build problems for dendrite after running:
@ -50,16 +51,16 @@ EOF
Run the tests:
```sh
./run-tests.pl -I Dendrite::Monolith -d ../dendrite/bin -W ../dendrite/testfile -O tap --all | tee results.tap
./run-tests.pl -I Dendrite::Monolith -d ../dendrite/bin -W ../dendrite/sytest-whitelist -O tap --all | tee results.tap
```
where `tee` lets you see the results while they're being piped to the file.
Once the tests are complete, run the helper script to see if you need to add
any newly passing test names to `testfile` in the project's root directory:
any newly passing test names to `sytest-whitelist` in the project's root directory:
```sh
../dendrite/show-expected-fail-tests.sh results.tap ../dendrite/testfile
../dendrite/show-expected-fail-tests.sh results.tap ../dendrite/sytest-whitelist ../dendrite/sytest-blacklist
```
If the script prints nothing/exits with 0, then you're good to go.
@ -75,4 +76,4 @@ docker run --rm -v /path/to/dendrite/:/src/ matrixdotorg/sytest-dendrite
where `/path/to/dendrite/` should be replaced with the actual path to your
dendrite source code. The output should tell you if you need to add any tests to
`testfile`.
`sytest-whitelist`.

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@ -1,45 +1,89 @@
#! /bin/bash
#
# Parses a results.tap file from SyTest output and a file containing test names (a test whitelist)
# and checks whether a test name that exists in the whitelist (that should pass), failed or not.
#
# An optional blacklist file can be added, also containing test names, where if a test name is
# present, the script will not error even if the test is in the whitelist file and failed
#
# For each of these files, lines starting with '#' are ignored.
#
# Usage ./show-expected-fail-tests.sh results.tap whitelist [blacklist]
results_file=$1
testfile=$2
whitelist_file=$2
blacklist_file=$3
fail_build=0
if [ $# -lt 2 ]; then
echo "Usage: $0 results.tap whitelist [blacklist]"
exit 1
fi
if [ ! -f "$results_file" ]; then
echo "ERROR: Specified results file ${results_file} doesn't exist."
echo "ERROR: Specified results file '${results_file}' doesn't exist."
fail_build=1
fi
if [ ! -f "$testfile" ]; then
echo "ERROR: Specified testfile ${testfile} doesn't exist."
if [ ! -f "$whitelist_file" ]; then
echo "ERROR: Specified test whitelist '${whitelist_file}' doesn't exist."
fail_build=1
fi
blacklisted_tests=()
# Check if a blacklist file was provided
if [ $# -eq 3 ]; then
# Read test blacklist file
if [ ! -f "$blacklist_file" ]; then
echo "ERROR: Specified test blacklist file '${blacklist_file}' doesn't exist."
fail_build=1
fi
# Read each line, ignoring those that start with '#'
blacklisted_tests=""
search_non_comments=$(grep -v '^#' ${blacklist_file})
while read -r line ; do
# Record the blacklisted test name
blacklisted_tests+=("${line}")
done <<< "${search_non_comments}" # This allows us to edit blacklisted_tests in the while loop
fi
[ "$fail_build" = 0 ] || exit 1
passed_but_expected_fail=$(grep ' # TODO passed but expected fail' ${results_file} | sed -E 's/^ok [0-9]+ (\(expected fail\) )?//' | sed -E 's/( \([0-9]+ subtests\))? # TODO passed but expected fail$//')
tests_to_add=""
already_in_testfile=""
already_in_whitelist=""
while read -r test_id; do
[ "${test_id}" = "" ] && continue
grep "${test_id}" "${testfile}" > /dev/null 2>&1
while read -r test_name; do
# Ignore empty lines
[ "${test_name}" = "" ] && continue
grep "${test_name}" "${whitelist_file}" > /dev/null 2>&1
if [ "$?" != "0" ]; then
tests_to_add="${tests_to_add}${test_id}\n"
# Check if this test name is blacklisted
if printf '%s\n' "${blacklisted_tests[@]}" | grep -q -P "^${test_name}$"; then
# Don't notify about this test
continue
fi
# Append this test_name to the existing list
tests_to_add="${tests_to_add}${test_name}\n"
fail_build=1
else
already_in_testfile="${already_in_testfile}${test_id}\n"
already_in_whitelist="${already_in_whitelist}${test_name}\n"
fi
done <<< "${passed_but_expected_fail}"
if [ -n "${tests_to_add}" ]; then
echo "ERROR: The following passed tests are not present in testfile. Please append them to the file:"
echo "ERROR: The following passed tests are not present in $2. Please append them to the file:"
echo -e "${tests_to_add}"
fi
if [ -n "${already_in_testfile}" ]; then
echo "WARN: Tests in testfile still marked as expected fail:"
echo -e "${already_in_testfile}"
if [ -n "${already_in_whitelist}" ]; then
echo "WARN: Tests in the whitelist still marked as expected fail:"
echo -e "${already_in_whitelist}"
fi
exit ${fail_build}

2
sytest-blacklist Normal file
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@ -0,0 +1,2 @@
# Blacklisted due to flakiness
Remote users can join room by alias