Mongo Query implemented as draft.

tests/unit/extensions/mongo/QueryTest.php

+<?php
+
+namespace yiiunit\extensions\mongo;
+
+use yii\mongo\Query;
+
+/**
+ * @group mongo
+ */
+class QueryTest extends MongoTestCase
+{
+	public function testSelect()
+	{
+		// default
+		$query = new Query;
+		$select = [];
+		$query->select($select);
+		$this->assertEquals($select, $query->select);
+
+		$query = new Query;
+		$select = ['name', 'something'];
+		$query->select($select);
+		$this->assertEquals($select, $query->select);
+	}
+
+	public function testFrom()
+	{
+		$query = new Query;
+		$from = 'customer';
+		$query->from($from);
+		$this->assertEquals($from, $query->from);
+
+		$query = new Query;
+		$from = ['', 'customer'];
+		$query->from($from);
+		$this->assertEquals($from, $query->from);
+	}
+
+	public function testOrder()
+	{
+		$query = new Query;
+		$query->orderBy('team');
+		$this->assertEquals(['team' => SORT_ASC], $query->orderBy);
+
+		$query->addOrderBy('company');
+		$this->assertEquals(['team' => SORT_ASC, 'company' => SORT_ASC], $query->orderBy);
+
+		$query->addOrderBy('age');
+		$this->assertEquals(['team' => SORT_ASC, 'company' => SORT_ASC, 'age' => SORT_ASC], $query->orderBy);
+
+		$query->addOrderBy(['age' => SORT_DESC]);
+		$this->assertEquals(['team' => SORT_ASC, 'company' => SORT_ASC, 'age' => SORT_DESC], $query->orderBy);
+
+		$query->addOrderBy('age ASC, company DESC');
+		$this->assertEquals(['team' => SORT_ASC, 'company' => SORT_DESC, 'age' => SORT_ASC], $query->orderBy);
+	}
+
+	public function testLimitOffset()
+	{
+		$query = new Query;
+		$query->limit(10)->offset(5);
+		$this->assertEquals(10, $query->limit);
+		$this->assertEquals(5, $query->offset);
+	}
+}
\ No newline at end of file