silverstripe-docsviewer/tests/DocumentationHelperTests.php

<?php

/**
 * @package docsviewer
 * @subpackage tests
 */
class DocumentationHelperTests extends SapphireTest
{
    public function testCleanName()
    {
        $this->assertEquals(
            "File path", DocumentationHelper::clean_page_name(
                '00_file-path.md'
            )
        );
    }

    public function testCleanUrl()
    {
        $this->assertEquals(
            "some_path", DocumentationHelper::clean_page_url(
                'Some Path'
            )
        );

        $this->assertEquals(
            "somefilepath", DocumentationHelper::clean_page_url(
                '00_SomeFilePath.md'
            )
        );
    }

    public function testTrimSortNumber()
    {
        $this->assertEquals(
            'file', DocumentationHelper::trim_sort_number(
                '0_file'
            )
        );

        $this->assertEquals(
            '2.1', DocumentationHelper::trim_sort_number(
                '2.1'
            )
        );

        $this->assertEquals(
            'dev/tasks/2.1', DocumentationHelper::trim_sort_number(
                'dev/tasks/2.1'
            )
        );
    }

    public function testTrimExtension()
    {
        $this->assertEquals(
            'file', DocumentationHelper::trim_extension_off(
                'file.md'
            )
        );

        $this->assertEquals(
            'dev/path/file', DocumentationHelper::trim_extension_off(
                'dev/path/file.md'
            )
        );
    }

    public function testGetExtension()
    {
        $this->assertEquals(
            'md', DocumentationHelper::get_extension(
                'file.md'
            )
        );

        $this->assertEquals(
            'md', DocumentationHelper::get_extension(
                'dev/tasks/file.md'
            )
        );

        $this->assertEquals(
            'txt', DocumentationHelper::get_extension(
                'dev/tasks/file.txt'
            )
        );

        $this->assertNull(
            DocumentationHelper::get_extension(
                'doc_test/2.3'
            )
        );

        $this->assertNull(
            DocumentationHelper::get_extension(
                'dev/docs/en/doc_test/2.3/subfolder'
            )
        );
    }
}