✨ StreamUtilTest

Author: codemasher

tests/StreamUtilTest.php

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+<?php
+/**
+ * Class StreamUtilTest
+ *
+ * @created      24.07.2023
+ * @author       smiley <smiley@chillerlan.net>
+ * @copyright    2023 smiley
+ * @license      MIT
+ */
+
+namespace chillerlan\HTTPTest\Utils;
+
+use chillerlan\HTTP\Utils\StreamUtil;
+use InvalidArgumentException;
+use PHPUnit\Framework\TestCase;
+use function fclose;
+use function fopen;
+use function stream_get_meta_data;
+use function substr;
+use function var_dump;
+
+/**
+ *
+ */
+class StreamUtilTest extends TestCase{
+	use FactoryTrait;
+
+	public function testModeAllowsRead():void{
+		$this::assertTrue(StreamUtil::modeAllowsRead('r+'));
+		$this::assertFalse(StreamUtil::modeAllowsRead('w'));
+	}
+
+	public function testModeAllowsReadOnly():void{
+		$this::assertTrue(StreamUtil::modeAllowsReadOnly('r'));
+		$this::assertFalse(StreamUtil::modeAllowsReadOnly('r+b'));
+	}
+
+	public function testModeAllowsWrite():void{
+		$this::assertTrue(StreamUtil::modeAllowsWrite('w+'));
+		$this::assertFalse(StreamUtil::modeAllowsWrite('rb'));
+	}
+
+	public function testModeAllowsWriteOnly():void{
+		$this::assertTrue(StreamUtil::modeAllowsWriteOnly('a'));
+		$this::assertFalse(StreamUtil::modeAllowsWriteOnly('c+t'));
+	}
+
+	public function testModeAllowsReadWrite():void{
+		$this::assertTrue(StreamUtil::modeAllowsReadWrite('r+e'));
+		$this::assertFalse(StreamUtil::modeAllowsReadWrite('r'));
+	}
+
+	public function testCheckModeIsValidThrows():void{
+		$this->expectException(InvalidArgumentException::class);
+		$this->expectExceptionMessage('invalid fopen mode: b+');
+
+		StreamUtil::validateMode('b+');
+	}
+
+	public function testModeAllowedFlagPositionIrrelevant():void{
+		$mode = 'rwarrrrrw++++b12345';
+		$this::assertTrue(StreamUtil::modeAllowsRead($mode));
+
+		$fh = fopen(__DIR__.'/fopen-test.txt', $mode);
+		$meta = stream_get_meta_data($fh);
+
+		$this::assertSame(substr($mode, 0, 15), $meta['mode']);
+		fclose($fh);
+	}
+
+	public function testGetContentsRewindsStream():void{
+		$stream = $this->streamFactory->createStream();
+
+		$stream->write('test');
+
+		$this::assertSame(4, $stream->tell());
+		$this::assertSame('test', StreamUtil::getContents($stream));
+		$this::assertSame(0, $stream->tell());
+	}
+
+	public function testGetContentsFromUnreadableStream():void{
+		$stream = $this->streamFactory->createStreamFromResource(fopen(__DIR__.'/fopen-test.txt', 'a'));
+
+		$this::assertFalse($stream->isReadable());
+		$this::assertNull(StreamUtil::getContents($stream));
+	}
+
+}

tests/fopen-test.txt

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+foo