Add a few unit tests for the Filter trait

rulerz-php · Sep 28, 2018 · d9c7fa9 · d9c7fa9
1 parent cf5b30f
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diff --git a/tests/Executor/FilterTraitTest.php b/tests/Executor/FilterTraitTest.php
@@ -0,0 +1,82 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Tests\RulerZ\Executor;
+
+use Doctrine\ORM\AbstractQuery as Query;
+use Doctrine\ORM\QueryBuilder;
+use PHPUnit\Framework\TestCase;
+use RulerZ\Context\ExecutionContext;
+use Tests\RulerZ\Stub\ExecutorStub;
+
+class FilterTraitTest extends TestCase
+{
+    /** @var ExecutorStub */
+    private $executor;
+
+    public function setUp()
+    {
+        $this->executor = new ExecutorStub();
+    }
+
+    public function testItCanApplyAFilterOnATarget()
+    {
+        $sql = 'some SQL generated by RulerZ';
+
+        $queryBuilder = $this->createMock(QueryBuilder::class);
+
+        $queryBuilder->expects($this->once())->method('setParameter')->with('foo', 'bar', $type = null);
+        $queryBuilder->expects($this->once())->method('andWhere')->with($sql);
+
+        ExecutorStub::$executeReturn = $sql;
+
+        $filteretTarget = $this->executor->applyFilter($queryBuilder, $parameters = ['foo' => 'bar'], $operators = [], new ExecutionContext());
+
+        $this->assertSame($queryBuilder, $filteretTarget, 'The trait is called and it returns the result generated by the executor');
+    }
+
+    public function testItCanApplyDetectedJoins()
+    {
+        $sql = 'some SQL generated by RulerZ';
+
+        $queryBuilder = $this->createMock(QueryBuilder::class);
+
+        $queryBuilder->expects($this->once())->method('leftJoin')->with('root_alias.join_column', 'join_alias');
+        $queryBuilder->expects($this->once())->method('andWhere')->with($sql);
+
+        ExecutorStub::$executeReturn = $sql;
+        $this->executor->detectedJoins = [
+            [
+                'root' => 'root_alias',
+                'column' => 'join_column',
+                'as' => 'join_alias',
+            ],
+        ];
+
+        $filteretTarget = $this->executor->applyFilter($queryBuilder, $parameters = [], $operators = [], new ExecutionContext());
+
+        $this->assertSame($queryBuilder, $filteretTarget, 'The trait is called and it returns the result generated by the executor');
+    }
+
+    public function testItCanExecuteTheRequestAndReturnTheResultsAsATraversableObject()
+    {
+        $sql = 'some SQL generated by RulerZ';
+        $results = ['result'];
+
+        $queryBuilder = $this->createMock(QueryBuilder::class);
+        $query = $this->createMock(Query::class);
+
+        $queryBuilder->expects($this->once())->method('andWhere')->with($sql);
+
+        $queryBuilder->method('getQuery')->willReturn($query);
+        $query->method('getResult')->willReturn($results);
+
+        ExecutorStub::$executeReturn = $sql;
+
+        $returnedResults = $this->executor->filter($queryBuilder, $parameters = [], $operators = [], new ExecutionContext());
+
+        $this->assertInstanceOf(\Traversable::class, $returnedResults);
+        $this->assertEquals($results, iterator_to_array($returnedResults));
+    }
+}
diff --git a/tests/Stub/ExecutorStub.php b/tests/Stub/ExecutorStub.php
@@ -0,0 +1,21 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Tests\RulerZ\Stub;
+
+use RulerZ\DoctrineORM\Executor\FilterTrait;
+
+class ExecutorStub
+{
+    public static $executeReturn;
+
+    public $detectedJoins = [];
+
+    use FilterTrait;
+
+    public function execute($target, array $operators, array $parameters)
+    {
+        return self::$executeReturn;
+    }
+}