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<?php |
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/** |
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* @file |
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* Grafizzi\Graph\Tests\DotFilterTest: a component of the Grafizzi library. |
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* |
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* (c) 2012 Frédéric G. MARAND <[email protected]> |
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* |
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* Grafizzi is free software: you can redistribute it and/or modify it under the |
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* terms of the GNU Lesser General Public License as published by the Free |
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* Software Foundation, either version 3 of the License, or (at your option) any |
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* later version. |
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* |
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* Grafizzi is distributed in the hope that it will be useful, but WITHOUT ANY |
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* WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR |
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* A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more |
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* details. |
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* |
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* You should have received a copy of the GNU Lesser General Public License |
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* along with Grafizzi, in the COPYING.LESSER.txt file. If not, see |
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* <http://www.gnu.org/licenses/> |
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*/ |
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namespace Grafizzi\Graph\Tests; |
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require 'vendor/autoload.php'; |
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use Grafizzi\Graph\Filter\DotFilter; |
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use Pimple\Container; |
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/** |
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* DotFilter test case. |
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*/ |
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class DotFilterTest extends BaseFilterTest { |
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const INVALID_FORMAT = 'some unlikely to be valid format'; |
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/** |
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* File to copy to. |
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* |
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* @var string |
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*/ |
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private $out = null; |
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/** |
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* Prepares the environment before running a test. |
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*/ |
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protected function setUp() : void { |
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parent::setUp(); |
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$dotFilter = new DotFilter(); |
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$dotFilter->setDic(new Container()); |
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$this->filters[] = $dotFilter; |
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} |
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/** |
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* Tests DotFilter->filter() |
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*/ |
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public function testFilter() { |
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$in = 'digraph G { foo -> bar ; }'; |
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list($out, ) = $this->filters[0]->filter($in); |
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$this->assertIsString($out, 'Dot filter returns string output'); |
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} |
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public function testImageHappy() { |
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/** @var \Grafizzi\Graph\Filter\DotFilter $filter */ |
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$filter = reset($this->filters); |
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$this->assertEmpty($filter->formats, "Filter formats is initially null"); |
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$this->assertEquals(0, count($filter->formats), "Filter formats list is initially empty"); |
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$image = $filter->image('svg'); |
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$this->assertIsArray($filter->formats, "Filter formats is an array"); |
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$this->assertTrue(count($filter->formats) >= 1, "There is at least one format available from the DotFilter."); |
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// TODO check actual image generation once it is actually performed. |
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$this->assertTrue($image, 'Image generation succeeds.'); |
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} |
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public function testImageSadFormatNoException() { |
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/** @var \Grafizzi\Graph\Filter\DotFilter $filter */ |
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$filter = reset($this->filters); |
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$image = $filter->image(self::INVALID_FORMAT); |
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$this->assertEmpty($image, "Image is not generated when the image format is invalid"); |
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} |
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public function testImageSadFormatException() { |
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$this->expectException(\InvalidArgumentException::class); |
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/** @var \Grafizzi\Graph\Filter\DotFilter $filter */ |
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$filter = new DotFilter(); |
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$dic = new Container(); |
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$dic['use_exceptions'] = TRUE; |
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$filter->setDic($dic); |
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$filter->image(self::INVALID_FORMAT); |
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} |
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} |
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FGM /
grafizzi
