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#!/bin/bash
#
# Copyright 2016 The Bazel Authors. All rights reserved.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
# --- begin runfiles.bash initialization ---
# Copy-pasted from Bazel's Bash runfiles library (tools/bash/runfiles/runfiles.bash).
set -euo pipefail
if [[ ! -d "${RUNFILES_DIR:-/dev/null}" && ! -f "${RUNFILES_MANIFEST_FILE:-/dev/null}" ]]; then
if [[ -f "$0.runfiles_manifest" ]]; then
export RUNFILES_MANIFEST_FILE="$0.runfiles_manifest"
elif [[ -f "$0.runfiles/MANIFEST" ]]; then
export RUNFILES_MANIFEST_FILE="$0.runfiles/MANIFEST"
elif [[ -f "$0.runfiles/bazel_tools/tools/bash/runfiles/runfiles.bash" ]]; then
export RUNFILES_DIR="$0.runfiles"
fi
fi
if [[ -f "${RUNFILES_DIR:-/dev/null}/bazel_tools/tools/bash/runfiles/runfiles.bash" ]]; then
source "${RUNFILES_DIR}/bazel_tools/tools/bash/runfiles/runfiles.bash"
elif [[ -f "${RUNFILES_MANIFEST_FILE:-/dev/null}" ]]; then
source "$(grep -m1 "^bazel_tools/tools/bash/runfiles/runfiles.bash " \
"$RUNFILES_MANIFEST_FILE" | cut -d ' ' -f 2-)"
else
echo >&2 "ERROR: cannot find @bazel_tools//tools/bash/runfiles:runfiles.bash"
exit 1
fi
# --- end runfiles.bash initialization ---
source "$(rlocation "io_bazel/src/test/shell/integration_test_setup.sh")" \
|| { echo "integration_test_setup.sh not found!" >&2; exit 1; }
case "$(uname -s | tr [:upper:] [:lower:])" in
msys*|mingw*|cygwin*)
declare -r is_windows=true
;;
*)
declare -r is_windows=false
;;
esac
if "$is_windows"; then
export MSYS_NO_PATHCONV=1
export MSYS2_ARG_CONV_EXCL="*"
fi
add_to_bazelrc "test --nocache_test_results"
# End of preamble.
function create_test_files() {
# We use this directory as a communication mechanism between test runs. Each
# test adds a unique file to the directory and then removes it.
local -r testfiles="$(mktemp -d "$TEST_TMPDIR/tmp.XXXXXXXX")"
if [[ ! -d dir ]]; then
mkdir dir
fi
cat <<EOF > dir/test.sh
#!/bin/sh
z=\$(mktemp "$testfiles/tmp.XXXXXXXX")
# Try to ensure other test runs have started too.
sleep 1
numtestfiles=\$(ls -1 "$testfiles/" | wc -l)
# The tests below are configured to prevent more than 3 tests from running at
# once. This block returns an error code from this script if it observes more
# than 3 files in the \$testfiles/ directory.
if [[ "\${numtestfiles}" -gt 3 ]] ; then
echo "Found \${numtestfiles} test files, but there should be 3 at max."
exit 1
fi
# Try to ensure that we don't remove the test file before other runs have a
# chance to inspect the file.
sleep 1
rm \${z}
EOF
chmod +x dir/test.sh
cat <<EOF > dir/BUILD
sh_test(
name = "test",
srcs = [ "test.sh" ],
size = "small",
tags = [ "local" ],
)
EOF
}
function test_local_test_jobs_constrains_test_execution() {
create_test_files
# 3 local test jobs, so no more than 3 tests in parallel.
bazel test --local_test_jobs=3 --local_resources=10000,10,100 --runs_per_test=10 \
//dir:test >& $TEST_log || fail "Expected success"
}
function test_no_local_test_jobs_causes_local_resources_to_constrain_test_execution() {
create_test_files
# unlimited local test jobs, so local resources enforces 3 tests in parallel.
bazel test --local_resources=10000,3,100 --runs_per_test=10 \
//dir:test >& $TEST_log || fail "Expected success"
}
function test_local_test_jobs_exceeds_jobs_causes_warning() {
create_test_files
# 10 local test jobs, but only 3 jobs, so warning is printed, and only 3 tests run concurrently
bazel test --jobs=3 --local_test_jobs=10 --local_resources=10000,10,100 --runs_per_test=10 \
//dir:test >& $TEST_log || fail "Expected success"
expect_log 'High value for --local_test_jobs'
}
function test_negative_local_test_jobs_causes_warning() {
create_test_files
bazel test --local_test_jobs=-1 --local_resources=10000,10,100 --runs_per_test=10 \
//dir:test >& $TEST_log && fail "Expected test failure"
expect_log 'Invalid parameter for --local_test_jobs'
}
run_suite "Tests for --local_test_jobs option."
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