Grav\Plugin\ControllerTest::testDetermineFilenameIncludingLanguage PHP Method

    public function testDetermineFilenameIncludingLanguage()
    {
        $language = 'en-GB';
        $this->assertSame('testing.en-GB.md', $this->controller->determineFilenameIncludingLanguage('testing.md', $language));
        $this->assertSame('testing.en-GB.md', $this->controller->determineFilenameIncludingLanguage('testing.en.md', $language));
        $this->assertSame('testing.en-GB.md', $this->controller->determineFilenameIncludingLanguage('testing.it.md', $language));
        $this->assertSame('testing.en-GB.md', $this->controller->determineFilenameIncludingLanguage('testing.en-GB.md', $language));
        $language = 'it';
        $this->assertSame('testing.it.md', $this->controller->determineFilenameIncludingLanguage('testing.md', $language));
        $this->assertSame('testing.it.md', $this->controller->determineFilenameIncludingLanguage('testing.en.md', $language));
        $this->assertSame('testing.it.md', $this->controller->determineFilenameIncludingLanguage('testing.it.md', $language));
        $this->assertSame('testing.it.md', $this->controller->determineFilenameIncludingLanguage('testing.en-GB.md', $language));
    }