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feat: Add comprehensive PHPUnit test suite and CI/CD test gating (v0.5.0)
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189 tests across 8 test classes covering all core plugin classes:
CustomMetricBuilder, StorageFactory, Authentication, DashboardProvider,
RuntimeCollector, Installer, Collector, and MetricsEndpoint.

Added test job to Gitea release workflow that gates build-release.

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
This commit is contained in:
Marco Grätsch
2026-02-26 08:41:51 +01:00
parent 1b1e818ff4
commit 9a94b4a7a5
20 changed files with 3187 additions and 4 deletions
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189
tests/Unit/InstallerTest.php Normal file
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<?php
declare(strict_types=1);
namespace Magdev\WpPrometheus\Tests\Unit;
use Magdev\WpPrometheus\Installer;
use Magdev\WpPrometheus\Tests\Helpers\GlobalFunctionState;
use PHPUnit\Framework\Attributes\CoversClass;
use PHPUnit\Framework\Attributes\Test;
#[CoversClass(Installer::class)]
class InstallerTest extends TestCase
{
// ── activate() ───────────────────────────────────────────────────
#[Test]
public function activate_stores_activation_time(): void
{
Installer::activate();
$this->assertArrayHasKey(
'wp_prometheus_activated',
GlobalFunctionState::$options
);
$this->assertIsInt(GlobalFunctionState::$options['wp_prometheus_activated']);
}
#[Test]
public function activate_flushes_rewrite_rules(): void
{
Installer::activate();
$this->assertGreaterThanOrEqual(
1,
GlobalFunctionState::getCallCount('flush_rewrite_rules')
);
}
#[Test]
public function activate_generates_auth_token_when_not_set(): void
{
Installer::activate();
$this->assertArrayHasKey(
'wp_prometheus_auth_token',
GlobalFunctionState::$options
);
$this->assertNotEmpty(GlobalFunctionState::$options['wp_prometheus_auth_token']);
}
#[Test]
public function activate_preserves_existing_auth_token(): void
{
GlobalFunctionState::$options['wp_prometheus_auth_token'] = 'existing-token';
Installer::activate();
$this->assertSame(
'existing-token',
GlobalFunctionState::$options['wp_prometheus_auth_token']
);
}
#[Test]
public function activate_enables_default_metrics(): void
{
Installer::activate();
$this->assertSame(
1,
GlobalFunctionState::$options['wp_prometheus_enable_default_metrics']
);
}
#[Test]
public function activate_sets_default_enabled_metrics_list(): void
{
Installer::activate();
$enabled = GlobalFunctionState::$options['wp_prometheus_enabled_metrics'];
$this->assertIsArray($enabled);
$this->assertContains('wordpress_info', $enabled);
$this->assertContains('wordpress_users_total', $enabled);
$this->assertContains('wordpress_posts_total', $enabled);
$this->assertContains('wordpress_comments_total', $enabled);
$this->assertContains('wordpress_plugins_total', $enabled);
}
#[Test]
public function activate_preserves_existing_enabled_metrics(): void
{
$custom = ['wordpress_info', 'wordpress_users_total'];
GlobalFunctionState::$options['wp_prometheus_enabled_metrics'] = $custom;
Installer::activate();
$this->assertSame(
$custom,
GlobalFunctionState::$options['wp_prometheus_enabled_metrics']
);
}
// ── deactivate() ─────────────────────────────────────────────────
#[Test]
public function deactivate_flushes_rewrite_rules(): void
{
Installer::deactivate();
$this->assertGreaterThanOrEqual(
1,
GlobalFunctionState::getCallCount('flush_rewrite_rules')
);
}
// ── uninstall() ──────────────────────────────────────────────────
#[Test]
public function uninstall_removes_all_plugin_options(): void
{
// Set up options that should be cleaned.
$expected_options = [
'wp_prometheus_activated',
'wp_prometheus_license_key',
'wp_prometheus_license_server_url',
'wp_prometheus_license_server_secret',
'wp_prometheus_license_status',
'wp_prometheus_license_data',
'wp_prometheus_license_last_check',
'wp_prometheus_auth_token',
'wp_prometheus_enable_default_metrics',
'wp_prometheus_enabled_metrics',
'wp_prometheus_runtime_metrics',
'wp_prometheus_custom_metrics',
'wp_prometheus_isolated_mode',
'wp_prometheus_storage_adapter',
'wp_prometheus_redis_host',
'wp_prometheus_redis_port',
'wp_prometheus_redis_password',
'wp_prometheus_redis_database',
'wp_prometheus_redis_prefix',
'wp_prometheus_apcu_prefix',
];
foreach ($expected_options as $option) {
GlobalFunctionState::$options[$option] = 'test_value';
}
Installer::uninstall();
// Verify all options were deleted.
foreach ($expected_options as $option) {
$this->assertArrayNotHasKey(
$option,
GlobalFunctionState::$options,
"Option '$option' was not deleted during uninstall"
);
}
}
#[Test]
public function uninstall_removes_license_transient(): void
{
Installer::uninstall();
$this->assertGreaterThanOrEqual(
1,
GlobalFunctionState::getCallCount('delete_transient')
);
// Verify the specific transient was targeted.
$args = GlobalFunctionState::$callArgs['delete_transient'] ?? [];
$transientNames = array_column($args, 0);
$this->assertContains('wp_prometheus_license_check', $transientNames);
}
#[Test]
public function uninstall_delete_option_call_count_matches(): void
{
Installer::uninstall();
// Should call delete_option for each option in the list (20 options).
$this->assertSame(
20,
GlobalFunctionState::getCallCount('delete_option')
);
}
}