add tests

Author: ilzrv

.gitignore

@@ -1 +1,5 @@
 .idea
+.phpunit.result.cache
+.phpunit.xml.dist
+composer.lock
+vendor/

composer.json

@@ -16,11 +16,21 @@
             "Ilzrv\\LaravelSlowQueryDetector\\": "src"
         }
     },
+    "autoload-dev": {
+        "psr-4": {
+            "Ilzrv\\LaravelSlowQueryDetector\\Tests\\": "tests"
+        }
+    },
     "extra": {
         "laravel": {
             "providers": [
                 "Ilzrv\\LaravelSlowQueryDetector\\ServiceProvider"
             ]
         }
+    },
+    "require-dev": {
+        "phpunit/phpunit": "^9.1",
+        "orchestra/testbench": "^5.1",
+        "timacdonald/log-fake": "^1.6"
     }
 }

phpunit.xml.dist

@@ -0,0 +1,22 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<phpunit bootstrap="vendor/autoload.php"
+         backupGlobals="false"
+         backupStaticAttributes="false"
+         colors="true"
+         verbose="true"
+         convertErrorsToExceptions="true"
+         convertNoticesToExceptions="true"
+         convertWarningsToExceptions="true"
+         processIsolation="false"
+         stopOnFailure="false">
+    <testsuites>
+        <testsuite name="Unit Tests">
+            <directory>tests</directory>
+        </testsuite>
+    </testsuites>
+    <filter>
+        <whitelist>
+            <directory suffix=".php">src/</directory>
+        </whitelist>
+    </filter>
+</phpunit>

tests/SlowCodeTest.php

@@ -0,0 +1,54 @@
+<?php
+
+namespace Ilzrv\LaravelSlowQueryDetector\Tests;
+
+use Illuminate\Support\Facades\Log;
+
+class SlowCodeTest extends TestCase
+{
+    public function testBeNotifiedWhenCodeExceededMaxTime()
+    {
+        $this->request(function () {
+            usleep(1000001); // 1 s
+        });
+
+        Log::assertLogged('critical', function ($message, $context) {
+            return \Str::contains($message, 'SQD');
+        });
+    }
+
+    public function testBeSilentWhenCodeRunsFine()
+    {
+        $this->request(function () {
+            usleep(900000); // 0.9 s
+        });
+
+        Log::assertNotLogged('critical');
+    }
+
+    public function testBeNotifiedWhenCodeHasTooManyQueries()
+    {
+        $this->request(function () {
+            $connection = $this->getConnectionWithSleepFunction();
+            for ($i = 0; $i < 51; $i++) {
+                $connection->select((\DB::raw('select sleep(1)')));
+            }
+        });
+
+        Log::assertLogged('critical', function ($message, $context) {
+            return \Str::contains($message, 'SQD');
+        });
+    }
+
+    public function testBeSilentWhenCodeHasFineCountQueries()
+    {
+        $this->request(function () {
+            $connection = $this->getConnectionWithSleepFunction();
+            for ($i = 0; $i < 50; $i++) {
+                $connection->select((\DB::raw('select sleep(1)')));
+            }
+        });
+
+        Log::assertNotLogged('critical');
+    }
+}

tests/SlowQueryTest.php

@@ -0,0 +1,34 @@
+<?php
+
+namespace Ilzrv\LaravelSlowQueryDetector\Tests;
+
+use Illuminate\Support\Facades\Log;
+
+class SlowQueryTest extends TestCase
+{
+    public function testBeNotifiedWhenQueryExceededMaxTime()
+    {
+        $this->request(function () {
+            $connection = $this->getConnectionWithSleepFunction();
+            $connection->select((\DB::raw('select sleep(100)')));
+
+            return response('slow');
+        });
+
+        Log::assertLogged('critical', function ($message, $context) {
+            return \Str::contains($message, 'SQD');
+        });
+    }
+
+    public function testBeSilentWhenQueryNotExceededMaxTime()
+    {
+        $this->request(function () {
+            $connection = $this->getConnectionWithSleepFunction();
+            $connection->select((\DB::raw('select sleep(1)')));
+
+            return response('fast');
+        });
+
+        Log::assertNotLogged('critical');
+    }
+}

tests/TestCase.php

@@ -0,0 +1,53 @@
+<?php
+
+namespace Ilzrv\LaravelSlowQueryDetector\Tests;
+
+use Illuminate\Support\Str;
+use Ilzrv\LaravelSlowQueryDetector\Http\Middleware\SlowQueryDetectorMiddleware;
+use Ilzrv\LaravelSlowQueryDetector\ServiceProvider;
+use Orchestra\Testbench\TestCase as OrchestraTestCase;
+use Illuminate\Support\Facades\Log;
+use TiMacDonald\Log\LogFake;
+
+class TestCase extends OrchestraTestCase
+{
+    public function setUp(): void
+    {
+        parent::setUp();
+
+        Log::swap(new LogFake);
+    }
+
+    protected function getPackageProviders($app)
+    {
+        return [ServiceProvider::class];
+    }
+
+    public function request(callable $callback)
+    {
+        $uri = Str::random();
+
+        $this->app['router']->get($uri, $callback)->middleware(SlowQueryDetectorMiddleware::class);
+
+        $this->get($uri);
+    }
+
+    public function getConnectionWithSleepFunction($name = 'sqn')
+    {
+        app()['config']->set('database.connections.'.$name, [
+            'driver'   => 'sqlite',
+            'database' => ':memory:',
+            'prefix'   => '',
+        ]);
+
+        $connection = \DB::connection($name);
+        $pdo = $connection->getPdo();
+        $pdo->sqliteCreateFunction(
+            'sleep',
+            function ($miliseconds) {
+                return usleep($miliseconds * 1000);
+            }
+        );
+        return $connection;
+    }
+}