Enable support to XLSM spreadsheets

tests/Spout/Reader/XLSM/ReaderTest.php

@@ -0,0 +1,73 @@
+<?php
+
+use Box\Spout\Reader\Common\Creator\ReaderEntityFactory;
+use Box\Spout\TestUsingResource;
+use PHPUnit\Framework\TestCase;
+
+/**
+ * Class ReaderTest
+ */
+class ReaderTest extends TestCase
+{
+    use TestUsingResource;
+
+    /**
+     * @return void
+     */
+    public function testReaderFactoryShouldReturnXLSXReader()
+    {
+        $resourcePath = $this->getResourcePath('simple-xlsm-sample.xlsm');
+        $reader = ReaderEntityFactory::createReaderFromFile($resourcePath);
+
+        $this->assertInstanceOf(Box\Spout\Reader\ReaderInterface::class, $reader);
+    }
+
+    /**
+     * @return void
+     */
+    public function testReadXLSMSpreadsheetShouldReturnData()
+    {
+        $this->assertNotEmpty($this->getAllRowsForFile('simple-xlsm-sample.xlsm'));
+    }
+
+    /**
+     * @return void
+     */
+    public function testSpreadsheetRowsShouldMatch()
+    {
+        $expectedRows = [
+            ['a1', 'b1', 'c1'],
+            ['a2', 'b2', 'c2'],
+            ['a3', 'b3', 'c3'],
+        ];
+
+        $this->assertEquals($expectedRows, $this->getAllRowsForFile('simple-xlsm-sample.xlsm'));
+    }
+
+    /**
+     * @param string $fileName
+     * @param bool $shouldFormatDates
+     * @param bool $shouldPreserveEmptyRows
+     * @return array All the read rows the given file
+     */
+    private function getAllRowsForFile($fileName, $shouldFormatDates = false, $shouldPreserveEmptyRows = false)
+    {
+        $allRows = [];
+        $resourcePath = $this->getResourcePath($fileName);
+
+        $reader = ReaderEntityFactory::createXLSXReader();
+        $reader->setShouldFormatDates($shouldFormatDates);
+        $reader->setShouldPreserveEmptyRows($shouldPreserveEmptyRows);
+        $reader->open($resourcePath);
+
+        foreach ($reader->getSheetIterator() as $sheetIndex => $sheet) {
+            foreach ($sheet->getRowIterator() as $rowIndex => $row) {
+                $allRows[] = $row->toArray();
+            }
+        }
+
+        $reader->close();
+
+        return $allRows;
+    }
+}