| #!/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. |
| |
| # Load test environment |
| source $(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)/testenv.sh \ |
| || { echo "testenv.sh not found!" >&2; exit 1; } |
| |
| create_and_cd_client |
| put_bazel_on_path |
| EXTRA_BAZELRC="test --nocache_test_results" |
| write_default_bazelrc |
| |
| # End of preamble. |
| |
| function create_test_files() { |
| # We use hardlinks to this file as a communication mechanism between |
| # test runs. |
| touch $TEST_TMPDIR/counter |
| |
| mkdir dir |
| |
| cat <<EOF > dir/test.sh |
| #!/bin/sh |
| # hard link |
| z=$TEST_TMPDIR/\$(basename \$(mktemp -u)) |
| ln $TEST_TMPDIR/counter \${z} |
| |
| # Make sure other test runs have started too. |
| sleep 1 |
| nlink=\$(ls -l $TEST_TMPDIR/counter | awk '{print \$2}') |
| |
| # 4 links = 3 jobs + $TEST_TMPDIR/counter |
| if [[ "\$nlink" -gt 4 ]] ; then |
| echo found "\$nlink" hard links to file, want 4 max. |
| exit 1 |
| fi |
| |
| # Ensure that we don't remove before other runs have inspected 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 |
| } |
| |
| 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 |
| } |
| |
| 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 |
| |
| 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." |