Added first few test cases

src/LiteDb.php

@@ -78,6 +78,7 @@ class LiteDb
             call_user_func($upgradeHandler, $this, $this->version);
             // Write the new version number to the database
             $this->dbSetMeta(self::META_SCHEMA_VERSION, $version);
+            $this->version = $version;
         }
 
         // Refresh the database version, for debug purposes
@@ -179,6 +180,16 @@ class LiteDb
         return $this->stores[$storeName];
     }
 
+    public function hasStore(string $storeName): bool
+    {
+        return array_key_exists($storeName, $this->storeMeta);
+    }
+
+    public function getVersion(): int
+    {
+        return $this->version;
+    }
+
     /**
      * 
      * @param string

tests/LiteDbTest.php

@@ -0,0 +1,49 @@
+<?php
+
+namespace NoccyLabs\LiteDb;
+
+class LiteDbText extends \PhpUnit\Framework\TestCase
+{
+
+    public function testCreatingNewDatabase()
+    {
+        if (file_exists("/tmp/litedbtest.db"))
+            unlink("/tmp/litedbtest.db");
+        $db = new LiteDb("/tmp/litedbtest.db", 1, function ($db, $v) {
+            $db->createStore("test");
+        });
+        $this->assertTrue($db->hasStore("test"));
+        $this->assertFalse($db->hasStore("test2"));
+        $this->assertEquals(1, $db->getVersion());
+    }
+
+    public function testUpgradingDatabase()
+    {
+        $db = new LiteDb("/tmp/litedbtest.db", 2, function ($db, $v) {
+            $db->createStore("test2");
+        });
+        $this->assertTrue($db->hasStore("test"));
+        $this->assertTrue($db->hasStore("test2"));
+        $this->assertEquals(2, $db->getVersion());
+    }
+
+    public function testUsingIndexes()
+    {
+        $db = new LiteDb("/tmp/litedbtest.db", 3, function ($db, $v) {
+            $db->createStore("test3")
+                ->addIndex("foo", [ 'unique'=>true, 'primary'=>true ]);
+        });
+        $this->assertTrue($db->hasStore("test3"));
+        $this->assertEquals(3, $db->getVersion());
+
+        $store = $db->getStore("test3");
+        $this->assertInstanceOf(ObjectStore::class, $store);
+
+        $store->add([ 'foo'=>42, 'bar'=>314 ]);
+
+        $record = $store->get(42);
+
+        $this->assertEquals(['foo'=>42, 'bar'=>314], $record);
+    }
+
+}