icon = new IconExtension(['tests/icons']); } public function testInstanceOf(): void { $this->assertInstanceOf(IconExtension::class, $this->icon); } public function testThrowsIfDirectoriesIsEmpty(): void { $this->expectException(\InvalidArgumentException::class); new IconExtension([]); } public function testThrowsIfDirectoriesContainsNonString(): void { $this->expectException(\TypeError::class); new IconExtension([99]); } public function testThrowsIfDirectoriesContainsNonStringAmongStrings(): void { $this->expectException(\TypeError::class); new IconExtension(['string', 99, 'string']); } public function testThrowsWhenPassedAnInvalidIconName(): void { $this->expectException(IconNotFound::class); $this->icon->renderIcon(['icon' => random_bytes(8)]); } public function testNoTitleExistsIfNotPassedIn(): void { $content = $this->icon->renderIcon(['icon' => self::ICON]); $this->assertStringNotContainsString('', $content); $this->assertStringNotContainsString('', $content); } public function testTitleGetsAddedIfSpecified(): void { $title = 'test_title'; $content = $this->icon->renderIcon(['icon' => self::ICON, 'title' => $title]); $this->assertMatchesRegularExpression("/{$title}<\/title>/", $content); } public function testTitleThrowsIfNotPassedAString(): void { $this->expectException(\TypeError::class); $this->icon->renderIcon(['icon' => self::ICON, 'title' => 99]); } public function testTitleThrowsIfPassedAnEmptyString():void { $this->expectException(\InvalidArgumentException::class); $this->icon->renderIcon(['icon' => self::ICON, 'title' => '']); } public function testThrowsWhenPassedNegativeSizeValue(): void { $this->expectException(\InvalidArgumentException::class); $this->icon->renderIcon(['icon' => self::ICON, 'size' => -1]); } public function testThrowsWhenSizeIsNotAnInt(): void { $this->expectException(\TypeError::class); $this->icon->renderIcon(['icon' => self::ICON, 'size' => 1.0]); } public function testSvgWidthIsSet(): void { $regex = '/^<svg.+?width="99"/'; $content = $this->icon->renderIcon(['icon' => self::ICON, 'size' => 99]); $this->assertMatchesRegularExpression($regex, $content); } public function testSvgHeightIsSet(): void { $regex = '/^<svg.+?width="99"/'; $content = $this->icon->renderIcon(['icon' => self::ICON, 'size' => 99]); $this->assertMatchesRegularExpression($regex, $content); } public function testNoXmlDeclarationIsAdded(): void { $content = $this->icon->renderIcon(['icon' => self::ICON, 'size' => 99]); $this->assertStringNotContainsString('<xml', $content); } public function testOnlyOneWidthAttributeIsSet(): void { $content = $this->icon->renderIcon(['icon' => self::ICON, 'size' => 99]); $timesMatched = preg_match_all('/width="99"/', $content); $this->assertSame(1, $timesMatched); } public function testOnlyOneHeightAttributeIsSet(): void { $content = $this->icon->renderIcon(['icon' => self::ICON, 'size' => 99]); $timesMatched = preg_match_all('/height="99"/', $content); $this->assertSame(1, $timesMatched); } public function testDefaultSizeIsSetOnSvgIfNoSizeOptionPassed(): void { $defaultSize = IconExtension::DEFAULT_SIZE; $content = $this->icon->renderIcon(['icon' => self::ICON]); $regex = "/^<svg.+?width=\"{$defaultSize}\"/"; $this->assertMatchesRegularExpression($regex, $content); $regex = "/^<svg.+?height=\"{$defaultSize}\"/"; $this->assertMatchesRegularExpression($regex, $content); } public function testDefaultSizeIsOnlySetOnce(): void { $defaultSize = IconExtension::DEFAULT_SIZE; $content = $this->icon->renderIcon(['icon' => self::ICON]); $widthRegex = "/width=\"{$defaultSize}\"/"; $timesMatched = preg_match_all($widthRegex, $content); $this->assertSame(1, $timesMatched); $heightRegex = "/height=\"{$defaultSize}\"/"; $timesMatched = preg_match_all($heightRegex, $content); $this->assertSame(1, $timesMatched); } }