ODS writer

Added ODS writer
Refactored XLSX writer to abstract some pieces into an abstract multi-sheets writer
Created an abstract style helper
Moved shared components around

tests/Spout/Writer/ODS/SheetTest.php

@@ -0,0 +1,134 @@
+<?php
+
+namespace Box\Spout\Writer\ODS;
+
+use Box\Spout\Common\Type;
+use Box\Spout\TestUsingResource;
+use Box\Spout\Writer\Common\Sheet;
+use Box\Spout\Writer\WriterFactory;
+
+/**
+ * Class SheetTest
+ *
+ * @package Box\Spout\Writer\ODS
+ */
+class SheetTest extends \PHPUnit_Framework_TestCase
+{
+    use TestUsingResource;
+
+    /**
+     * @return void
+     */
+    public function testGetSheetIndex()
+    {
+        $sheets = $this->writeDataToMulitpleSheetsAndReturnSheets('test_get_sheet_index.ods');
+
+        $this->assertEquals(2, count($sheets), '2 sheets should have been created');
+        $this->assertEquals(0, $sheets[0]->getIndex(), 'The first sheet should be index 0');
+        $this->assertEquals(1, $sheets[1]->getIndex(), 'The second sheet should be index 1');
+    }
+
+    /**
+     * @return void
+     */
+    public function testGetSheetName()
+    {
+        $sheets = $this->writeDataToMulitpleSheetsAndReturnSheets('test_get_sheet_name.ods');
+
+        $this->assertEquals(2, count($sheets), '2 sheets should have been created');
+        $this->assertEquals('Sheet1', $sheets[0]->getName(), 'Invalid name for the first sheet');
+        $this->assertEquals('Sheet2', $sheets[1]->getName(), 'Invalid name for the second sheet');
+    }
+
+    /**
+     * @return void
+     */
+    public function testSetSheetNameShouldCreateSheetWithCustomName()
+    {
+        $fileName = 'test_set_name_should_create_sheet_with_custom_name.ods';
+        $customSheetName = 'CustomName';
+        $this->writeDataAndReturnSheetWithCustomName($fileName, $customSheetName);
+
+        $this->assertSheetNameEquals($customSheetName, $fileName, "The sheet name should have been changed to '$customSheetName'");
+    }
+
+    /**
+     * @expectedException \Box\Spout\Writer\Exception\InvalidSheetNameException
+     * @return void
+     */
+    public function testSetSheetNameShouldThrowWhenNameIsAlreadyUsed()
+    {
+        $fileName = 'test_set_name_with_non_unique_name.ods';
+        $this->createGeneratedFolderIfNeeded($fileName);
+        $resourcePath = $this->getGeneratedResourcePath($fileName);
+
+        $writer = WriterFactory::create(Type::ODS);
+        $writer->openToFile($resourcePath);
+
+        $customSheetName = 'Sheet name';
+
+        $sheet = $writer->getCurrentSheet();
+        $sheet->setName($customSheetName);
+
+        $writer->addNewSheetAndMakeItCurrent();
+        $sheet = $writer->getCurrentSheet();
+        $sheet->setName($customSheetName);
+    }
+
+    /**
+     * @param string $fileName
+     * @param string $sheetName
+     * @return Sheet
+     */
+    private function writeDataAndReturnSheetWithCustomName($fileName, $sheetName)
+    {
+        $this->createGeneratedFolderIfNeeded($fileName);
+        $resourcePath = $this->getGeneratedResourcePath($fileName);
+
+        $writer = WriterFactory::create(Type::ODS);
+        $writer->openToFile($resourcePath);
+
+        $sheet = $writer->getCurrentSheet();
+        $sheet->setName($sheetName);
+
+        $writer->addRow(['ods--11', 'ods--12']);
+        $writer->close();
+    }
+
+    /**
+     * @param string $fileName
+     * @return Sheet[]
+     */
+    private function writeDataToMulitpleSheetsAndReturnSheets($fileName)
+    {
+        $this->createGeneratedFolderIfNeeded($fileName);
+        $resourcePath = $this->getGeneratedResourcePath($fileName);
+
+        /** @var \Box\Spout\Writer\ODS\Writer $writer */
+        $writer = WriterFactory::create(Type::ODS);
+        $writer->openToFile($resourcePath);
+
+        $writer->addRow(['ods--sheet1--11', 'ods--sheet1--12']);
+        $writer->addNewSheetAndMakeItCurrent();
+        $writer->addRow(['ods--sheet2--11', 'ods--sheet2--12', 'ods--sheet2--13']);
+
+        $writer->close();
+
+        return $writer->getSheets();
+    }
+
+    /**
+     * @param string $expectedName
+     * @param string $fileName
+     * @param string $message
+     * @return void
+     */
+    private function assertSheetNameEquals($expectedName, $fileName, $message = '')
+    {
+        $resourcePath = $this->getGeneratedResourcePath($fileName);
+        $pathToWorkbookFile = $resourcePath . '#content.xml';
+        $xmlContents = file_get_contents('zip://' . $pathToWorkbookFile);
+
+        $this->assertContains("table:name=\"$expectedName\"", $xmlContents, $message);
+    }
+}