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Speed up WordPress PHPUnit tests #619

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Merged
JanJakes merged 2 commits into from
Nov 6, 2026
Merged

Speed up WordPress PHPUnit tests #619

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8ac39ea
Turn off the garbage collector in WordPress PHPUnit tests
JanJakes Nov 6, 2026
87ac3a4
Use the low bcrypt cost in WordPress test class fixtures
JanJakes Nov 6, 2026
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2 changes: 1 addition & 1 deletion composer.json
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Original file line number Diff line number Diff line change
Expand Up @@ -67,7 +67,7 @@
"wp-test-php": [
"@wp-test-ensure-env @no_additional_args",
"@wp-test-remove-database @no_additional_args",
"cd wordpress && node tools/local-env/scripts/docker.js run --rm php php -d opcache.enable_cli=1 -d opcache.memory_consumption=256 -d opcache.jit=tracing -d opcache.jit_buffer_size=64M ./vendor/bin/phpunit @additional_args"
"cd wordpress && node tools/local-env/scripts/docker.js run --rm php php -d zend.enable_gc=0 -d opcache.enable_cli=1 -d opcache.memory_consumption=256 -d opcache.jit=tracing -d opcache.jit_buffer_size=64M ./vendor/bin/phpunit @additional_args"
],
"wp-test-sqlite-plugin-php": [
"@wp-test-php /var/www/tests-sqlite-database-integration/phpunit"
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20 changes: 17 additions & 3 deletions wp-setup.sh
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Expand Up @@ -62,15 +62,29 @@ sed -i.bak "s#{SQLITE_PLUGIN}#sqlite-database-integration/load.php#g" "$WP_DIR"/
echo "Rewriting helper class 'WpdbExposedMethodsForTesting' to extend WP_SQLite_DB..."
sed -i.bak "s#class WpdbExposedMethodsForTesting extends wpdb {#class WpdbExposedMethodsForTesting extends WP_SQLite_DB {#g" "$WP_DIR"/tests/phpunit/includes/utils.php

# 6. Make wp-config.php changes immediately visible to E2E tests.
# 6. Use the low bcrypt cost of the test suite in class fixtures as well.
# WP_UnitTestCase::set_up() sets it for each test, which is too late for wpSetUpBeforeClass().
echo "Lowering the bcrypt cost for test fixtures..."
cat << 'EOF' >> "$WP_DIR/tests/phpunit/includes/functions.php"

function _sqlite_tests_lower_bcrypt_cost( $options, $algorithm ) {
if ( PASSWORD_BCRYPT === $algorithm ) {
$options['cost'] = 5;
}
return $options;
}
tests_add_filter( 'wp_hash_password_options', '_sqlite_tests_lower_bcrypt_cost', 1, 2 );
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EOF

# 7. Make wp-config.php changes immediately visible to E2E tests.
echo "Disabling the PHP OPcache revalidation delay..."
printf '\nopcache.revalidate_freq = 0\n' >> "$WP_DIR/tools/local-env/php-config.ini"

# 7. Create the ".env" file early, so that Docker commands before "env:start" use it too.
# 8. Create the ".env" file early, so that Docker commands before "env:start" use it too.
echo "Creating the '.env' file..."
cp "$WP_DIR/.env.example" "$WP_DIR/.env"

# 8. Install dependencies.
# 9. Install dependencies.
echo "Installing dependencies..."
npm --prefix "$WP_DIR" install
npm --prefix "$WP_DIR" run build:dev
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