初始化

tests/DbTest.php

@@ -0,0 +1,49 @@
+<?php
+
+namespace think\tests;
+
+use Mockery as m;
+use PHPUnit\Framework\TestCase;
+use think\Cache;
+use think\cache\Driver;
+use think\Config;
+use think\Db;
+use think\Event;
+use think\Log;
+
+class DbTest extends TestCase
+{
+    protected function tearDown(): void
+    {
+        m::close();
+    }
+
+    public function testMake()
+    {
+        $event  = m::mock(Event::class);
+        $config = m::mock(Config::class);
+        $log    = m::mock(Log::class);
+        $cache  = m::mock(Cache::class);
+        $store  = m::mock(Driver::class);
+
+        $config->shouldReceive('get')->with('database.cache_store', null)->andReturn(null);
+        $cache->shouldReceive('store')->with(null)->andReturn($store);
+
+        $db = Db::__make($event, $config, $log, $cache);
+
+        $config->shouldReceive('get')->with('database.foo', null)->andReturn('foo');
+        $this->assertEquals('foo', $db->getConfig('foo'));
+
+        $config->shouldReceive('get')->with('database', [])->andReturn([]);
+        $this->assertEquals([], $db->getConfig());
+
+        $callback = function () {
+        };
+        $event->shouldReceive('listen')->with('db.some', $callback);
+        $db->event('some', $callback);
+
+        $event->shouldReceive('trigger')->with('db.some', null, false);
+        $db->trigger('some');
+    }
+
+}