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Introduce script to run integration test
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@@ -2,10 +2,6 @@ | |
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set -e -u -o pipefail | ||
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integration_test_root="$(cd "$(dirname -- "${0}")" && pwd)" | ||
error_prone_support_root="${integration_test_root}/.." | ||
repos_root="${integration_test_root}/.repos" | ||
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test_name="$(basename "${0}" .sh)" | ||
project=checkstyle | ||
repository=https://github.com/checkstyle/checkstyle.git | ||
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@@ -18,189 +14,21 @@ fi | |
do_sync="$([ "${#}" = 0 ] || [ "${1:-}" != '--sync' ] || echo 1)" | ||
report_directory="$([ "${#}" = 0 ] || ([ -z "${do_sync}" ] && echo "${1}") || ([ "${#}" = 1 ] || echo "${2}"))" | ||
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if [ -n "${report_directory}" ]; then | ||
mkdir -p "${report_directory}" | ||
else | ||
report_directory="$(mktemp -d)" | ||
trap 'rm -rf -- "${report_directory}"' INT TERM HUP EXIT | ||
fi | ||
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case "$(uname -s)" in | ||
Linux*) | ||
grep_command=grep | ||
sed_command=sed | ||
;; | ||
Darwin*) | ||
grep_command=ggrep | ||
sed_command=gsed | ||
;; | ||
*) | ||
echo "Unsupported distribution $(uname -s) for this script." | ||
exit 1 | ||
;; | ||
esac | ||
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# XXX: Configure Renovate to manage the AssertJ version declared here. | ||
shared_build_flags=" | ||
-Perror-prone-compile,error-prone-test-compile | ||
-Dassertj.version=3.24.2 | ||
-Derror-prone.version=$( | ||
mvn -f "${error_prone_support_root}" help:evaluate -Dexpression=version.error-prone -q -DforceStdout | ||
) | ||
-Derror-prone-support.version=$( | ||
mvn -f "${error_prone_support_root}" help:evaluate -Dexpression=project.version -q -DforceStdout | ||
) | ||
-DadditionalSourceDirectories=\${project.basedir}\${file.separator}src\${file.separator}it\${file.separator}java,\${project.basedir}\${file.separator}src\${file.separator}xdocs-examples\${file.separator}java | ||
" | ||
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# XXX: Configure Renovate to manage the fmt-maven-plugin version declared here. | ||
# XXX: Once GitHub actions uses Maven 3.9.2+, we can inline this variable with | ||
# version reference `${fmt.version}`, and `-Dfmt.version=2.21.1` added to | ||
# `shared_build_flags`. | ||
format_goal='com.spotify.fmt:fmt-maven-plugin:2.21.1:format' | ||
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error_prone_shared_flags='-XepExcludedPaths:(\Q${project.basedir}${file.separator}src${file.separator}\E(it|test|xdocs-examples)\Q${file.separator}resources\E|\Q${project.build.directory}${file.separator}\E).*' | ||
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error_prone_patch_flags="${error_prone_shared_flags} -XepPatchLocation:IN_PLACE -XepPatchChecks:$( | ||
find "${error_prone_support_root}" \ | ||
-path "*/META-INF/services/com.google.errorprone.bugpatterns.BugChecker" \ | ||
-not -path "*/error-prone-experimental/*" \ | ||
-not -path "*/error-prone-guidelines/*" \ | ||
-print0 \ | ||
| xargs -0 "${grep_command}" -hoP '[^.]+$' \ | ||
| paste -s -d ',' - | ||
)" | ||
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error_prone_validation_flags="${error_prone_shared_flags} -XepDisableAllChecks $( | ||
find "${error_prone_support_root}" \ | ||
-path "*/META-INF/services/com.google.errorprone.bugpatterns.BugChecker" \ | ||
-not -path "*/error-prone-experimental/*" \ | ||
-not -path "*/error-prone-guidelines/*" \ | ||
-print0 \ | ||
| xargs -0 "${grep_command}" -hoP '[^.]+$' \ | ||
| "${sed_command}" -r 's,(.*),-Xep:\1:WARN,' \ | ||
| paste -s -d ' ' - | ||
)" | ||
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echo "Shared build flags: ${shared_build_flags}" | ||
echo "Error Prone patch flags: ${error_prone_patch_flags}" | ||
echo "Error Prone validation flags: ${error_prone_validation_flags}" | ||
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mkdir -p "${repos_root}" | ||
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# Make sure that the targeted tag of the project's Git repository is checked | ||
# out. | ||
project_root="${repos_root}/${project}" | ||
if [ ! -d "${project_root}" ]; then | ||
# The repository has not yet been cloned; create a shallow clone. | ||
git clone --branch "${revision}" --depth 1 "${repository}" "${project_root}" | ||
else | ||
# The repository does already appear to exist. Try to check out the requested | ||
# tag if possible, and fetch it otherwise. | ||
# | ||
# Under certain circumstances this does not cause the relevant tag to be | ||
# created, so if necessary we manually create it. | ||
git -C "${project_root}" checkout --force "${revision}" 2>/dev/null \ | ||
|| ( | ||
git -C "${project_root}" fetch --depth 1 "${repository}" "${revision}" \ | ||
&& git -C "${project_root}" checkout --force FETCH_HEAD \ | ||
&& (git -C "${project_root}" tag "${revision}" || true) | ||
) | ||
fi | ||
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pushd "${project_root}" | ||
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# Make sure that Git is sufficiently configured to enable committing to the | ||
# project's Git repository. | ||
git config user.email || git config user.email "[email protected]" | ||
git config user.name || git config user.name "Integration Test" | ||
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# Prepare the code for analysis by (a) applying the minimal set of changes | ||
# required to run Error Prone with Error Prone Support and (b) formatting the | ||
# code using the same method by which it will be formatted after each | ||
# compilation round. The initial formatting operation ensures that subsequent | ||
# modifications can be rendered in a clean manner. | ||
git clean -fdx | ||
git apply < "${integration_test_root}/${test_name}-init.patch" | ||
git commit -m 'dependency: Introduce Error Prone Support' . | ||
mvn ${shared_build_flags} "${format_goal}" | ||
git commit -m 'minor: Reformat using Google Java Format' . | ||
diff_base="$(git rev-parse HEAD)" | ||
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# Apply Error Prone Support-suggested changes until a fixed point is reached. | ||
function apply_patch() { | ||
local extra_build_args="${1}" | ||
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mvn ${shared_build_flags} ${extra_build_args} \ | ||
package "${format_goal}" \ | ||
-Derror-prone.configuration-args="${error_prone_patch_flags}" \ | ||
-DskipTests | ||
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if ! git diff --exit-code; then | ||
git commit -m 'minor: Apply patches' . | ||
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# Changes were applied, so another compilation round may apply yet more | ||
# changes. For performance reasons we perform incremental compilation, | ||
# enabled using a misleading flag. (See | ||
# https://issues.apache.org/jira/browse/MCOMPILER-209 for details.) | ||
apply_patch '-Dmaven.compiler.useIncrementalCompilation=false' | ||
elif [ "${extra_build_args}" != 'clean' ]; then | ||
# No changes were applied. We'll attempt one more round in which all files | ||
# are recompiled, because there are cases in which violations are missed | ||
# during incremental compilation. | ||
apply_patch 'clean' | ||
fi | ||
} | ||
apply_patch '' | ||
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# Run one more full build and log the output. | ||
# | ||
# By also running the tests, we validate that the (majority of) applied changes | ||
# are behavior preserving. Some tests are skipped: | ||
# - The `metadataFilesGenerationAllFiles` test is skipped because it makes line | ||
# number assertions that will fail when the code is formatted or patched. | ||
# - The `allCheckSectionJavaDocs` test is skipped because is validates that | ||
# Javadoc has certain closing tags that are removed by Google Java Format. | ||
validation_build_log="${report_directory}/${test_name}-validation-build-log.txt" | ||
mvn ${shared_build_flags} \ | ||
clean package \ | ||
-Derror-prone.configuration-args="${error_prone_validation_flags}" \ | ||
-Dtest=' | ||
!MetadataGeneratorUtilTest#metadataFilesGenerationAllFiles, | ||
!XdocsJavaDocsTest#allCheckSectionJavaDocs' \ | ||
| tee "${validation_build_log}" \ | ||
|| failure=1 | ||
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# Collect the applied changes. | ||
expected_changes="${integration_test_root}/${test_name}-expected-changes.patch" | ||
actual_changes="${report_directory}/${test_name}-changes.patch" | ||
(git diff "${diff_base}"..HEAD | "${grep_command}" -vP '^(diff|index)' || true) > "${actual_changes}" | ||
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# Collect the warnings reported by Error Prone Support checks. | ||
expected_warnings="${integration_test_root}/${test_name}-expected-warnings.txt" | ||
actual_warnings="${report_directory}/${test_name}-validation-build-warnings.txt" | ||
("${grep_command}" -oP "(?<=^\\Q[WARNING] ${PWD}/\\E).*" "${validation_build_log}" | "${grep_command}" -P '\] \[' || true) | LC_ALL=C sort > "${actual_warnings}" | ||
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# Persist or validate the applied changes and reported warnings. | ||
if [ -n "${do_sync}" ]; then | ||
echo 'Saving changes...' | ||
cp "${actual_changes}" "${expected_changes}" | ||
cp "${actual_warnings}" "${expected_warnings}" | ||
else | ||
echo 'Inspecting changes...' | ||
# XXX: This "diff of diffs" also contains vacuous sections, introduced due to | ||
# line offset differences. Try to omit those from the final output. | ||
if ! diff -u "${expected_changes}" "${actual_changes}"; then | ||
echo 'There are unexpected changes. Inspect the preceding output for details.' | ||
failure=1 | ||
fi | ||
echo 'Inspecting emitted warnings...' | ||
if ! diff -u "${expected_warnings}" "${actual_warnings}"; then | ||
echo 'Diagnostics output changed. Inspect the preceding output for details.' | ||
failure=1 | ||
fi | ||
fi | ||
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if [ -n "${failure:-}" ]; then | ||
exit 1 | ||
fi | ||
build_flags="-Dassertj.version=3.24.2" | ||
additional_src_directories="\${project.basedir}\${file.separator}src\${file.separator}it\${file.separator}java,\${project.basedir}\${file.separator}src\${file.separator}xdocs-examples\${file.separator}java" | ||
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validation_mvn_flags="-Dtest=!MetadataGeneratorUtilTest#metadataFilesGenerationAllFiles,!XdocsJavaDocsTest#allCheckSectionJavaDocs" | ||
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"$(dirname "${0}")"/run-integration-test.sh \ | ||
"${test_name}" \ | ||
"${project}" \ | ||
"${repository}" \ | ||
"${revision}" \ | ||
"${build_flags}" \ | ||
"${additional_src_directories}" \ | ||
"" \ | ||
"" \ | ||
"${validation_mvn_flags}" \ | ||
"${do_sync}" \ | ||
"${report_directory}" |
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