feature: non-html views

Author: g105b

test/phpunit/View/NullViewTest.php

@@ -0,0 +1,35 @@
+<?php
+namespace GT\WebEngine\Test\View;
+
+use GT\WebEngine\View\NullView;
+use PHPUnit\Framework\TestCase;
+use Psr\Http\Message\StreamInterface;
+
+class NullViewTest extends TestCase {
+	public function testCreateViewModel_returnsEmptyStringPlaceholder():void {
+		$sut = new NullView($this->newRecordingStream());
+
+		self::assertSame("", $sut->createViewModel());
+	}
+
+	private function newRecordingStream():StreamInterface {
+		return new class implements StreamInterface {
+			public string $buffer = "";
+			public function __toString():string { return $this->buffer; }
+			public function close():void {}
+			public function detach() {}
+			public function getSize():?int { return strlen($this->buffer); }
+			public function tell():int { return strlen($this->buffer); }
+			public function eof():bool { return true; }
+			public function isSeekable():bool { return false; }
+			public function seek($offset, $whence = SEEK_SET):void {}
+			public function rewind():void {}
+			public function isWritable():bool { return true; }
+			public function write($string):int { $this->buffer .= (string)$string; return strlen((string)$string); }
+			public function isReadable():bool { return false; }
+			public function read($length):string { return ""; }
+			public function getContents():string { return $this->buffer; }
+			public function getMetadata($key = null) { return null; }
+		};
+	}
+}

test/phpunit/View/ViewStreamerTest.php

@@ -0,0 +1,45 @@
+<?php
+namespace GT\WebEngine\Test\View;
+
+use Gt\Dom\HTMLDocument;
+use GT\WebEngine\View\HTMLView;
+use GT\WebEngine\View\ViewStreamer;
+use PHPUnit\Framework\TestCase;
+use Psr\Http\Message\StreamInterface;
+
+class ViewStreamerTest extends TestCase {
+	public function testStream_delegatesToViewStreamMethod():void {
+		$document = new HTMLDocument("<main>Streamed</main>");
+		$view = $this->getMockBuilder(HTMLView::class)
+			->setConstructorArgs([$this->newRecordingStream()])
+			->onlyMethods(["stream"])
+			->getMock();
+		$view->expects(self::once())
+			->method("stream")
+			->with($document);
+
+		$sut = new ViewStreamer();
+		$sut->stream($view, $document);
+	}
+
+	private function newRecordingStream():StreamInterface {
+		return new class implements StreamInterface {
+			public string $buffer = "";
+			public function __toString():string { return $this->buffer; }
+			public function close():void {}
+			public function detach() {}
+			public function getSize():?int { return strlen($this->buffer); }
+			public function tell():int { return strlen($this->buffer); }
+			public function eof():bool { return true; }
+			public function isSeekable():bool { return false; }
+			public function seek($offset, $whence = SEEK_SET):void {}
+			public function rewind():void {}
+			public function isWritable():bool { return true; }
+			public function write($string):int { $this->buffer .= (string)$string; return strlen((string)$string); }
+			public function isReadable():bool { return false; }
+			public function read($length):string { return ""; }
+			public function getContents():string { return $this->buffer; }
+			public function getMetadata($key = null) { return null; }
+		};
+	}
+}