Added some unit tests

src/StingerSoft/ExcelCreator/ConfiguredSheet.php

@@ -178,10 +178,14 @@ public function applyData($startColumn = 0, $headerRow = 1) {
 	protected function renderHeaderRow($startColumn = 0, $headerRow = 1) {
 		$this->sheet->getStyle(\PHPExcel_Cell::stringFromColumnIndex($startColumn) . $headerRow . ':' . \PHPExcel_Cell::stringFromColumnIndex($startColumn + $this->bindings->count() - 1) . $headerRow)->applyFromArray($this->getDefaultHeaderStyling());
 		foreach($this->bindings as $binding) {
-			$this->sheet->setCellValueByColumnAndRow($startColumn, $headerRow, $this->decodeHtmlEntity($this->translate($binding->getLabel(), $binding->getLabelTranslationDomain())));
+			$cell = $this->sheet->getCellByColumnAndRow($startColumn, $headerRow);
+			$cell->setValue($this->decodeHtmlEntity($this->translate($binding->getLabel(), $binding->getLabelTranslationDomain())));
 			if($binding->getOutline()) {
 				$this->sheet->getColumnDimensionByColumn($startColumn)->setOutlineLevel($binding->getOutline());
 			}
+			if($binding->getHeaderFontColor() || $binding->getHeaderBackgroundColor()) {
+				$cell->getStyle()->applyFromArray($this->getDefaultHeaderStyling($binding->getHeaderFontColor(), $binding->getHeaderBackgroundColor()));
+			}
 			$startColumn++;
 		}
 	}
@@ -370,17 +374,20 @@ protected function getDefaultDataStyling($fontColor, $bgColor) {
 	 *
 	 * @return string[]
 	 */
-	protected function getDefaultHeaderStyling() {
+	protected function getDefaultHeaderStyling($fontColor = null, $bgColor = null) {
 		return array(
 			'font' => array(
 				'name' => $this->defaultFontFamily,
 				'size' => $this->defaultHeaderFontSize,
+				'color'=> array(
+					'rgb' => $fontColor ?: $this->defaultHeaderFontColor,
+				),
 				'bold' => true 
 			),
 			'fill' => array(
 				'type' => \PHPExcel_Style_Fill::FILL_SOLID,
 				'color' => array(
-					'rgb' => $this->defaultHeaderBackgroundColor 
+					'rgb' => $bgColor ?: $this->defaultHeaderBackgroundColor 
 				) 
 			),
 			'alignment' => array(

src/StingerSoft/ExcelCreator/Formatter/YesNoFormatter.php

@@ -15,7 +15,7 @@ abstract class YesNoFormatter {
 
 	public static function createYesNoFormatter($yesLabel, $noLabel) {
 		return function($value) use ($yesLabel, $noLabel) {
-			return $value == true ? $yesLabel : $noLabel;
+			return filter_var($value, FILTER_VALIDATE_BOOLEAN) === true ? $yesLabel : $noLabel;
 		};
 	}
 }

tests/StingerSoft/ExcelCreator/Formatter/YesNoFormatterTest.php

@@ -0,0 +1,23 @@
+<?php
+
+/*
+ * This file is part of the Stinger Excel Creator package.
+ *
+ * (c) Oliver Kotte <oliver.kotte@stinger-soft.net>
+ * (c) Florian Meyer <florian.meyer@stinger-soft.net>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+namespace StingerSoft\ExcelCreator\Formatter;
+
+class YesNoFormatterTest extends \PHPUnit_Framework_TestCase {
+
+	public function testCreateTranslationFormatter() {
+		$pirateYesNoformatter = YesNoFormatter::createYesNoFormatter('Arrrr!', 'Avast!');
+
+		$this->assertEquals('Arrrr!', $pirateYesNoformatter(true));
+		$this->assertEquals('Avast!', $pirateYesNoformatter(false));
+		$this->assertEquals('Avast!', $pirateYesNoformatter('nonono'));
+	}
+}

tests/StingerSoft/ExcelCreator/IntegrationTest.php

@@ -30,6 +30,10 @@ public function testSimpleCycle() {
 			$binding->setColumnWidth('auto');
 			$binding->setWrapText(true);
 			$binding->setOutline(1);
+			$binding->setHeaderBackgroundColor('000000');
+			$binding->setHeaderFontColor('FFFFFF');
+			$binding->setDataFontColor('$FFFFFF');
+			$binding->setDataBackgroundColor('$FAFAFA');
 			$binding->setFormatter(function ($value) {
 				return strtoupper($value);
 			});