fixup tests

tests/IteratorDirectoryTest.php

@@ -0,0 +1,127 @@
+<?php
+/**
+ * Copyright (c) 2014 Robin Appelman <icewind@owncloud.com>
+ * This file is licensed under the Licensed under the MIT license:
+ * http://opensource.org/licenses/MIT
+ */
+
+namespace Icewind\Streams\Tests;
+
+use \BadMethodCallException;
+use PHPUnit\Framework\TestCase;
+
+class IteratorDirectoryTest extends TestCase {
+
+	/**
+	 * @param \Iterator | array $source
+	 * @return resource
+	 */
+	protected function wrapSource($source) {
+		return \Icewind\Streams\IteratorDirectory::wrap($source);
+	}
+
+	public function testNoContext() {
+		$this->expectException(BadMethodCallException::class);
+		$context = stream_context_create([]);
+		stream_wrapper_register('iterator', '\Icewind\Streams\IteratorDirectory');
+		try {
+			opendir('iterator://', $context);
+			stream_wrapper_unregister('iterator');
+		} catch (\Exception $e) {
+			stream_wrapper_unregister('iterator');
+			throw $e;
+		}
+	}
+
+	public function testNoSource() {
+		$this->expectException(BadMethodCallException::class);
+		$context = stream_context_create([
+			'dir' => [
+				'foo' => 'bar'
+			]
+		]);
+		stream_wrapper_register('iterator', '\Icewind\Streams\IteratorDirectory');
+		try {
+			opendir('iterator://', $context);
+			stream_wrapper_unregister('iterator');
+		} catch (\Exception $e) {
+			stream_wrapper_unregister('iterator');
+			throw $e;
+		}
+	}
+
+	public function testWrapInvalidSource() {
+		$this->expectException(BadMethodCallException::class);
+		$this->wrapSource(2);
+	}
+
+	public function fileListProvider() {
+		$longList = array_fill(0, 500, 'foo');
+		return [
+			[
+				[
+					'foo',
+					'bar',
+					'qwerty'
+				]
+			],
+			[
+				[
+					'with spaces',
+					'under_scores',
+					'日本語',
+					'character %$_',
+					'.',
+					'0',
+					'double "quotes"',
+					"single 'quotes'"
+				]
+			],
+			[
+				[
+					'single item'
+				]
+			],
+			[
+				$longList
+			],
+			[
+				[]
+			]
+		];
+	}
+
+	protected function basicTest($fileList, $dh) {
+		$result = [];
+
+		while (($file = readdir($dh)) !== false) {
+			$result[] = $file;
+		}
+
+		$this->assertEquals($fileList, $result);
+
+		rewinddir($dh);
+		if (count($fileList)) {
+			$this->assertEquals($fileList[0], readdir($dh));
+		} else {
+			$this->assertFalse(readdir($dh));
+		}
+	}
+
+	/**
+	 * @dataProvider fileListProvider
+	 */
+	public function testBasicIterator($fileList) {
+		$iterator = new \ArrayIterator($fileList);
+		$dh = $this->wrapSource($iterator);
+		$this->basicTest($fileList, $dh);
+	}
+
+	/**
+	 * @dataProvider fileListProvider
+	 */
+	public function testBasicArray($fileList) {
+		$dh = $this->wrapSource($fileList);
+		$this->basicTest($fileList, $dh);
+	}
+}