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Edit File: vfsStreamFileTestCase.php

<?php
/**
 * This file is part of vfsStream.
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 *
 * @package  org\bovigo\vfs
 */
namespace org\bovigo\vfs;
/**
 * Test for org\bovigo\vfs\vfsStreamFile.
 */
class vfsStreamFileTestCase extends \PHPUnit_Framework_TestCase
{
    /**
     * instance to test
     *
     * @var  vfsStreamFile
     */
    protected $file;

/**
     * set up test environment
     */
    public function setUp()
    {
        $this->file = new vfsStreamFile('foo');
    }

/**
     * test default values and methods
     *
     * @test
     */
    public function defaultValues()
    {
        $this->assertEquals(vfsStreamContent::TYPE_FILE, $this->file->getType());
        $this->assertEquals('foo', $this->file->getName());
        $this->assertTrue($this->file->appliesTo('foo'));
        $this->assertFalse($this->file->appliesTo('foo/bar'));
        $this->assertFalse($this->file->appliesTo('bar'));
    }

/**
     * test setting and getting the content of a file
     *
     * @test
     */
    public function content()
    {
        $this->assertNull($this->file->getContent());
        $this->assertSame($this->file, $this->file->setContent('bar'));
        $this->assertEquals('bar', $this->file->getContent());
        $this->assertSame($this->file, $this->file->withContent('baz'));
        $this->assertEquals('baz', $this->file->getContent());
    }

/**
     * test renaming the directory
     *
     * @test
     */
    public function rename()
    {
        $this->file->rename('bar');
        $this->assertEquals('bar', $this->file->getName());
        $this->assertFalse($this->file->appliesTo('foo'));
        $this->assertFalse($this->file->appliesTo('foo/bar'));
        $this->assertTrue($this->file->appliesTo('bar'));
    }

/**
     * test reading contents from the file
     *
     * @test
     */
    public function readEmptyFile()
    {
        $this->assertTrue($this->file->eof());
        $this->assertEquals(0, $this->file->size());
        $this->assertEquals('', $this->file->read(5));
        $this->assertEquals(5, $this->file->getBytesRead());
        $this->assertTrue($this->file->eof());
    }

/**
     * test reading contents from the file
     *
     * @test
     */
    public function read()
    {
        $this->file->setContent('foobarbaz');
        $this->assertFalse($this->file->eof());
        $this->assertEquals(9, $this->file->size());
        $this->assertEquals('foo', $this->file->read(3));
        $this->assertEquals(3, $this->file->getBytesRead());
        $this->assertFalse($this->file->eof());
        $this->assertEquals(9, $this->file->size());
        $this->assertEquals('bar', $this->file->read(3));
        $this->assertEquals(6, $this->file->getBytesRead());
        $this->assertFalse($this->file->eof());
        $this->assertEquals(9, $this->file->size());
        $this->assertEquals('baz', $this->file->read(3));
        $this->assertEquals(9, $this->file->getBytesRead());
        $this->assertEquals(9, $this->file->size());
        $this->assertTrue($this->file->eof());
        $this->assertEquals('', $this->file->read(3));
    }

/**
     * test seeking to offset
     *
     * @test
     */
    public function seekEmptyFile()
    {
        $this->assertFalse($this->file->seek(0, 55));
        $this->assertTrue($this->file->seek(0, SEEK_SET));
        $this->assertEquals(0, $this->file->getBytesRead());
        $this->assertTrue($this->file->seek(5, SEEK_SET));
        $this->assertEquals(5, $this->file->getBytesRead());
        $this->assertTrue($this->file->seek(0, SEEK_CUR));
        $this->assertEquals(5, $this->file->getBytesRead());
        $this->assertTrue($this->file->seek(2, SEEK_CUR));
        $this->assertEquals(7, $this->file->getBytesRead());
        $this->assertTrue($this->file->seek(0, SEEK_END));
        $this->assertEquals(0, $this->file->getBytesRead());
        $this->assertTrue($this->file->seek(2, SEEK_END));
        $this->assertEquals(2, $this->file->getBytesRead());
    }

/**
     * test seeking to offset
     *
     * @test
     */
    public function seekRead()
    {
        $this->file->setContent('foobarbaz');
        $this->assertFalse($this->file->seek(0, 55));
        $this->assertTrue($this->file->seek(0, SEEK_SET));
        $this->assertEquals('foobarbaz', $this->file->readUntilEnd());
        $this->assertEquals(0, $this->file->getBytesRead());
        $this->assertTrue($this->file->seek(5, SEEK_SET));
        $this->assertEquals('rbaz', $this->file->readUntilEnd());
        $this->assertEquals(5, $this->file->getBytesRead());
        $this->assertTrue($this->file->seek(0, SEEK_CUR));
        $this->assertEquals('rbaz', $this->file->readUntilEnd());
        $this->assertEquals(5, $this->file->getBytesRead(), 5);
        $this->assertTrue($this->file->seek(2, SEEK_CUR));
        $this->assertEquals('az', $this->file->readUntilEnd());
        $this->assertEquals(7, $this->file->getBytesRead());
        $this->assertTrue($this->file->seek(0, SEEK_END));
        $this->assertEquals('', $this->file->readUntilEnd());
        $this->assertEquals(9, $this->file->getBytesRead());
        $this->assertTrue($this->file->seek(2, SEEK_END));
        $this->assertEquals('', $this->file->readUntilEnd());
        $this->assertEquals(11, $this->file->getBytesRead());
    }

/**
     * test writing data into the file
     *
     * @test
     */
    public function writeEmptyFile()
    {
        $this->assertEquals(3, $this->file->write('foo'));
        $this->assertEquals('foo', $this->file->getContent());
        $this->assertEquals(3, $this->file->size());
        $this->assertEquals(3, $this->file->write('bar'));
        $this->assertEquals('foobar', $this->file->getContent());
        $this->assertEquals(6, $this->file->size());
    }

/**
     * test writing data into the file
     *
     * @test
     */
    public function write()
    {
        $this->file->setContent('foobarbaz');
        $this->assertTrue($this->file->seek(3, SEEK_SET));
        $this->assertEquals(3, $this->file->write('foo'));
        $this->assertEquals('foofoobaz', $this->file->getContent());
        $this->assertEquals(9, $this->file->size());
        $this->assertEquals(3, $this->file->write('bar'));
        $this->assertEquals('foofoobar', $this->file->getContent());
        $this->assertEquals(9, $this->file->size());
    }

/**
     * setting and retrieving permissions for a file
     *
     * @test
     * @group  permissions
     */
    public function permissions()
    {
        $this->assertEquals(0666, $this->file->getPermissions());
        $this->assertSame($this->file, $this->file->chmod(0644));
        $this->assertEquals(0644, $this->file->getPermissions());
    }

/**
     * setting and retrieving permissions for a file
     *
     * @test
     * @group  permissions
     */
    public function permissionsSet()
    {
        $this->file = new vfsStreamFile('foo', 0644);
        $this->assertEquals(0644, $this->file->getPermissions());
        $this->assertSame($this->file, $this->file->chmod(0600));
        $this->assertEquals(0600, $this->file->getPermissions());
    }

/**
     * setting and retrieving owner of a file
     *
     * @test
     * @group  permissions
     */
    public function owner()
    {
        $this->assertEquals(vfsStream::getCurrentUser(), $this->file->getUser());
        $this->assertTrue($this->file->isOwnedByUser(vfsStream::getCurrentUser()));
        $this->assertSame($this->file, $this->file->chown(vfsStream::OWNER_USER_1));
        $this->assertEquals(vfsStream::OWNER_USER_1, $this->file->getUser());
        $this->assertTrue($this->file->isOwnedByUser(vfsStream::OWNER_USER_1));
    }

/**
     * setting and retrieving owner group of a file
     *
     * @test
     * @group  permissions
     */
    public function group()
    {
        $this->assertEquals(vfsStream::getCurrentGroup(), $this->file->getGroup());
        $this->assertTrue($this->file->isOwnedByGroup(vfsStream::getCurrentGroup()));
        $this->assertSame($this->file, $this->file->chgrp(vfsStream::GROUP_USER_1));
        $this->assertEquals(vfsStream::GROUP_USER_1, $this->file->getGroup());
        $this->assertTrue($this->file->isOwnedByGroup(vfsStream::GROUP_USER_1));
    }

/**
     * @test
     * @group  issue_33
     * @since  1.1.0
     */
    public function truncateRemovesSuperflouosContent()
    {
        $this->assertEquals(11, $this->file->write("lorem ipsum"));
        $this->assertTrue($this->file->truncate(5));
        $this->assertEquals(5, $this->file->size());
        $this->assertEquals('lorem', $this->file->getContent());
    }

/**
     * @test
     * @group  issue_33
     * @since  1.1.0
     */
    public function truncateToGreaterSizeAddsZeroBytes()
    {
        $this->assertEquals(11, $this->file->write("lorem ipsum"));
        $this->assertTrue($this->file->truncate(25));
        $this->assertEquals(25, $this->file->size());
        $this->assertEquals("lorem ipsum\0\0\0\0\0\0\0\0\0\0\0\0\0\0", $this->file->getContent());
    }
}
?>