ref #1325 Added tests

tests/PhpSpreadsheetTests/Reader/Xlsx/AutoFilterTest.php

@@ -0,0 +1,68 @@
+<?php
+
+namespace PhpOffice\PhpSpreadsheetTests\Reader\Xlsx;
+
+use PhpOffice\PhpSpreadsheet\Reader\Xlsx\AutoFilter;
+use PhpOffice\PhpSpreadsheet\Worksheet\Worksheet;
+use PhpOffice\PhpSpreadsheet\Worksheet\AutoFilter as WorksheetAutoFilter;
+use PHPUnit\Framework\TestCase;
+
+class AutoFilterTest extends TestCase
+{
+    private function getWorksheetInstance()
+    {
+        return $this->getMockBuilder(Worksheet::class)
+            ->disableOriginalConstructor()
+            ->getMock();
+    }
+
+    private function getXMLInstance($ref)
+    {
+        return new \SimpleXMLElement(
+            '<?xml version="1.0" encoding="UTF-8"?>'.
+            '<root>'.
+                '<autoFilter ref="'. $ref .'"></autoFilter>'.
+            '</root>'
+        );
+    }
+
+    private function getAutoFilterInstance()
+    {
+        $instance = $this->getMockBuilder(WorksheetAutoFilter::class)
+            ->disableOriginalConstructor()
+            ->getMock();
+        return $instance;
+    }
+
+    public function loadDataProvider()
+    {
+        return [
+            ['$B3$E8', 0, 'B3E8'],
+            ['$B3:$E8', 1, 'B3:E8'],
+        ];
+    }
+
+    /**
+    * @dataProvider loadDataProvider
+    *
+    * @param string $ref
+    * @param int $expectedReadAutoFilterCalled
+    * @param string $expectedRef
+    */
+    public function testLoad($ref, $expectedReadAutoFilterCalled, $expectedRef)
+    {
+        $worksheetAutoFilter = $this->getAutoFilterInstance();
+        $worksheetAutoFilter->expects($this->exactly($expectedReadAutoFilterCalled ? 1 : 0))
+            ->method('setRange')
+            ->with($expectedRef);
+
+        $worksheet = $this->getWorksheetInstance();
+        $worksheet->expects($this->exactly($expectedReadAutoFilterCalled ? 1 : 0))
+            ->method('getAutoFilter')
+            ->willReturn($worksheetAutoFilter);
+
+        $autoFilter = new AutoFilter($worksheet, $this->getXMLInstance($ref));
+
+        $autoFilter->load();
+    }
+}