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<?php
/*
* This file is part of the Symfony package.
*
* (c) Fabien Potencier <fabien@symfony.com>
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
namespace Symfony\Component\Yaml\Tests;
use Symfony\Component\Yaml\Yaml;
use Symfony\Component\Yaml\Parser;
class ParserTest extends \PHPUnit_Framework_TestCase
{
protected $parser;
protected function setUp()
{
$this->parser = new Parser();
}
protected function tearDown()
{
$this->parser = null;
}
/**
* @dataProvider getDataFormSpecifications
*/
public function testSpecifications($file, $expected, $yaml, $comment)
{
$this->assertEquals($expected, var_export($this->parser->parse($yaml), true), $comment);
}
public function getDataFormSpecifications()
{
$parser = new Parser();
$path = __DIR__.'/Fixtures';
$tests = array();
$files = $parser->parse(file_get_contents($path.'/index.yml'));
foreach ($files as $file) {
$yamls = file_get_contents($path.'/'.$file.'.yml');
// split YAMLs documents
foreach (preg_split('/^---( %YAML\:1\.0)?/m', $yamls) as $yaml) {
if (!$yaml) {
continue;
}
$test = $parser->parse($yaml);
if (isset($test['todo']) && $test['todo']) {
// TODO
} else {
eval('$expected = '.trim($test['php']).';');
$tests[] = array($file, var_export($expected, true), $test['yaml'], $test['test']);
}
}
}
return $tests;
}
public function testTabsInYaml()
{
// test tabs in YAML
$yamls = array(
"foo:\n bar",
"foo:\n bar",
"foo:\n bar",
"foo:\n bar",
);
foreach ($yamls as $yaml) {
try {
$content = $this->parser->parse($yaml);
$this->fail('YAML files must not contain tabs');
} catch (\Exception $e) {
$this->assertInstanceOf('\Exception', $e, 'YAML files must not contain tabs');
$this->assertEquals('A YAML file cannot contain tabs as indentation at line 2 (near "'.strpbrk($yaml, "\t").'").', $e->getMessage(), 'YAML files must not contain tabs');
}
}
}
public function testEndOfTheDocumentMarker()
{
$yaml = <<<EOF
--- %YAML:1.0
foo
...
EOF;
$this->assertEquals('foo', $this->parser->parse($yaml));
}
public function getBlockChompingTests()
{
$tests = array();
$yaml = <<<'EOF'
foo: |-
one
two
bar: |-
one
two
EOF;
$expected = array(
'foo' => "one\ntwo",
'bar' => "one\ntwo",
);
$tests['Literal block chomping strip with single trailing newline'] = array($expected, $yaml);
$yaml = <<<'EOF'
foo: |-
one
two
bar: |-
one
two
EOF;
$expected = array(
'foo' => "one\ntwo",
'bar' => "one\ntwo",
);
$tests['Literal block chomping strip with multiple trailing newlines'] = array($expected, $yaml);
$yaml = <<<'EOF'
{}
EOF;
$expected = array();
$tests['Literal block chomping strip with multiple trailing newlines after a 1-liner'] = array($expected, $yaml);
$yaml = <<<'EOF'
foo: |-
one
two
bar: |-
one
two
EOF;
$expected = array(
'foo' => "one\ntwo",
'bar' => "one\ntwo",
);
$tests['Literal block chomping strip without trailing newline'] = array($expected, $yaml);
$yaml = <<<'EOF'
foo: |
one
two
bar: |
one
two
EOF;
$expected = array(
'foo' => "one\ntwo\n",
'bar' => "one\ntwo\n",
);
$tests['Literal block chomping clip with single trailing newline'] = array($expected, $yaml);
$yaml = <<<'EOF'
foo: |
one
two
bar: |
one
two
EOF;
$expected = array(
'foo' => "one\ntwo\n",
'bar' => "one\ntwo\n",
);
$tests['Literal block chomping clip with multiple trailing newlines'] = array($expected, $yaml);
$yaml = <<<'EOF'
foo: |
one
two
bar: |
one
two
EOF;
$expected = array(
'foo' => "one\ntwo\n",
'bar' => "one\ntwo",
);
$tests['Literal block chomping clip without trailing newline'] = array($expected, $yaml);
$yaml = <<<'EOF'
foo: |+
one
two
bar: |+
one
two
EOF;
$expected = array(
'foo' => "one\ntwo\n",
'bar' => "one\ntwo\n",
);
$tests['Literal block chomping keep with single trailing newline'] = array($expected, $yaml);
$yaml = <<<'EOF'
foo: |+
one
two
bar: |+
one
two
EOF;
$expected = array(
'foo' => "one\ntwo\n\n",
'bar' => "one\ntwo\n\n",
);
$tests['Literal block chomping keep with multiple trailing newlines'] = array($expected, $yaml);
$yaml = <<<'EOF'
foo: |+
one
two
bar: |+
one
two
EOF;
$expected = array(
'foo' => "one\ntwo\n",
'bar' => "one\ntwo",
);
$tests['Literal block chomping keep without trailing newline'] = array($expected, $yaml);
$yaml = <<<'EOF'
foo: >-
one
two
bar: >-
one
two
EOF;
$expected = array(
'foo' => 'one two',
'bar' => 'one two',
);
$tests['Folded block chomping strip with single trailing newline'] = array($expected, $yaml);
$yaml = <<<'EOF'
foo: >-
one
two
bar: >-
one
two
EOF;
$expected = array(
'foo' => 'one two',
'bar' => 'one two',
);
$tests['Folded block chomping strip with multiple trailing newlines'] = array($expected, $yaml);
$yaml = <<<'EOF'
foo: >-
one
two
bar: >-
one
two
EOF;
$expected = array(
'foo' => 'one two',
'bar' => 'one two',
);
$tests['Folded block chomping strip without trailing newline'] = array($expected, $yaml);
$yaml = <<<'EOF'
foo: >
one
two
bar: >
one
two
EOF;
$expected = array(
'foo' => "one two\n",
'bar' => "one two\n",
);
$tests['Folded block chomping clip with single trailing newline'] = array($expected, $yaml);
$yaml = <<<'EOF'
foo: >
one
two
bar: >
one
two
EOF;
$expected = array(
'foo' => "one two\n",
'bar' => "one two\n",
);
$tests['Folded block chomping clip with multiple trailing newlines'] = array($expected, $yaml);
$yaml = <<<'EOF'
foo: >
one
two
bar: >
one
two
EOF;
$expected = array(
'foo' => "one two\n",
'bar' => 'one two',
);
$tests['Folded block chomping clip without trailing newline'] = array($expected, $yaml);
$yaml = <<<'EOF'
foo: >+
one
two
bar: >+
one
two
EOF;
$expected = array(
'foo' => "one two\n",
'bar' => "one two\n",
);
$tests['Folded block chomping keep with single trailing newline'] = array($expected, $yaml);
$yaml = <<<'EOF'
foo: >+
one
two
bar: >+
one
two
EOF;
$expected = array(
'foo' => "one two\n\n",
'bar' => "one two\n\n",
);
$tests['Folded block chomping keep with multiple trailing newlines'] = array($expected, $yaml);
$yaml = <<<'EOF'
foo: >+
one
two
bar: >+
one
two
EOF;
$expected = array(
'foo' => "one two\n",
'bar' => 'one two',
);
$tests['Folded block chomping keep without trailing newline'] = array($expected, $yaml);
return $tests;
}
/**
* @dataProvider getBlockChompingTests
*/
public function testBlockChomping($expected, $yaml)
{
$this->assertSame($expected, $this->parser->parse($yaml));
}
/**
* Regression test for issue #7989.
*
* @see https://github.com/symfony/symfony/issues/7989
*/
public function testBlockLiteralWithLeadingNewlines()
{
$yaml = <<<'EOF'
foo: |-
bar
EOF;
$expected = array(
'foo' => "\n\nbar",
);
$this->assertSame($expected, $this->parser->parse($yaml));
}
public function testObjectSupportEnabled()
{
$input = <<<EOF
foo: !!php/object:O:30:"Symfony\Component\Yaml\Tests\B":1:{s:1:"b";s:3:"foo";}
bar: 1
EOF;
$this->assertEquals(array('foo' => new B(), 'bar' => 1), $this->parser->parse($input, false, true), '->parse() is able to parse objects');
}
public function testObjectSupportDisabledButNoExceptions()
{
$input = <<<EOF
foo: !!php/object:O:30:"Symfony\Tests\Component\Yaml\B":1:{s:1:"b";s:3:"foo";}
bar: 1
EOF;
$this->assertEquals(array('foo' => null, 'bar' => 1), $this->parser->parse($input), '->parse() does not parse objects');
}
/**
* @expectedException \Symfony\Component\Yaml\Exception\ParseException
*/
public function testObjectsSupportDisabledWithExceptions()
{
$this->parser->parse('foo: !!php/object:O:30:"Symfony\Tests\Component\Yaml\B":1:{s:1:"b";s:3:"foo";}', true, false);
}
public function testNonUtf8Exception()
{
if (!function_exists('iconv')) {
$this->markTestSkipped('Exceptions for non-utf8 charsets require the iconv() function.');
return;
}
$yamls = array(
iconv('UTF-8', 'ISO-8859-1', "foo: 'äöüß'"),
iconv('UTF-8', 'ISO-8859-15', "euro: '€'"),
iconv('UTF-8', 'CP1252', "cp1252: '©ÉÇáñ'"),
);
foreach ($yamls as $yaml) {
try {
$this->parser->parse($yaml);
$this->fail('charsets other than UTF-8 are rejected.');
} catch (\Exception $e) {
$this->assertInstanceOf('Symfony\Component\Yaml\Exception\ParseException', $e, 'charsets other than UTF-8 are rejected.');
}
}
}
/**
* @expectedException \Symfony\Component\Yaml\Exception\ParseException
*/
public function testUnindentedCollectionException()
{
$yaml = <<<EOF
collection:
-item1
-item2
-item3
EOF;
$this->parser->parse($yaml);
}
/**
* @expectedException \Symfony\Component\Yaml\Exception\ParseException
*/
public function testShortcutKeyUnindentedCollectionException()
{
$yaml = <<<EOF
collection:
- key: foo
foo: bar
EOF;
$this->parser->parse($yaml);
}
/**
* @expectedException \Symfony\Component\Yaml\Exception\ParseException
* @expectedExceptionMessage Multiple documents are not supported.
*/
public function testMultipleDocumentsNotSupportedException()
{
Yaml::parse(<<<EOL
# Ranking of 1998 home runs
---
- Mark McGwire
- Sammy Sosa
- Ken Griffey
# Team ranking
---
- Chicago Cubs
- St Louis Cardinals
EOL
);
}
/**
* @expectedException \Symfony\Component\Yaml\Exception\ParseException
*/
public function testSequenceInAMapping()
{
Yaml::parse(<<<EOF
yaml:
hash: me
- array stuff
EOF
);
}
/**
* @expectedException \Symfony\Component\Yaml\Exception\ParseException
*/
public function testMappingInASequence()
{
Yaml::parse(<<<EOF
yaml:
- array stuff
hash: me
EOF
);
}
/**
* > It is an error for two equal keys to appear in the same mapping node.
* > In such a case the YAML processor may continue, ignoring the second
* > `key: value` pair and issuing an appropriate warning. This strategy
* > preserves a consistent information model for one-pass and random access
* > applications.
*
* @see http://yaml.org/spec/1.2/spec.html#id2759572
* @see http://yaml.org/spec/1.1/#id932806
*
* @covers \Symfony\Component\Yaml\Parser::parse
*/
public function testMappingDuplicateKeyBlock()
{
$input = <<<EOD
parent:
child: first
child: duplicate
parent:
child: duplicate
child: duplicate
EOD;
$expected = array(
'parent' => array(
'child' => 'first',
),
);
$this->assertSame($expected, Yaml::parse($input));
}
/**
* @covers \Symfony\Component\Yaml\Inline::parseMapping
*/
public function testMappingDuplicateKeyFlow()
{
$input = <<<EOD
parent: { child: first, child: duplicate }
parent: { child: duplicate, child: duplicate }
EOD;
$expected = array(
'parent' => array(
'child' => 'first',
),
);
$this->assertSame($expected, Yaml::parse($input));
}
public function testEmptyValue()
{
$input = <<<EOF
hash:
EOF;
$this->assertEquals(array('hash' => null), Yaml::parse($input));
}
public function testStringBlockWithComments()
{
$this->assertEquals(array('content' => <<<EOT
# comment 1
header
# comment 2
<body>
<h1>title</h1>
</body>
footer # comment3
EOT
), Yaml::parse(<<<EOF
content: |
# comment 1
header
# comment 2
<body>
<h1>title</h1>
</body>
footer # comment3
EOF
));
}
public function testFoldedStringBlockWithComments()
{
$this->assertEquals(array(array('content' => <<<EOT
# comment 1
header
# comment 2
<body>
<h1>title</h1>
</body>
footer # comment3
EOT
)), Yaml::parse(<<<EOF
-
content: |
# comment 1
header
# comment 2
<body>
<h1>title</h1>
</body>
footer # comment3
EOF
));
}
public function testNestedFoldedStringBlockWithComments()
{
$this->assertEquals(array(array(
'title' => 'some title',
'content' => <<<EOT
# comment 1
header
# comment 2
<body>
<h1>title</h1>
</body>
footer # comment3
EOT
)), Yaml::parse(<<<EOF
-
title: some title
content: |
# comment 1
header
# comment 2
<body>
<h1>title</h1>
</body>
footer # comment3
EOF
));
}
public function testReferenceResolvingInInlineStrings()
{
$this->assertEquals(array(
'var' => 'var-value',
'scalar' => 'var-value',
'list' => array('var-value'),
'list_in_list' => array(array('var-value')),
'map_in_list' => array(array('key' => 'var-value')),
'embedded_mapping' => array(array('key' => 'var-value')),
'map' => array('key' => 'var-value'),
'list_in_map' => array('key' => array('var-value')),
'map_in_map' => array('foo' => array('bar' => 'var-value')),
), Yaml::parse(<<<EOF
var: &var var-value
scalar: *var
list: [ *var ]
list_in_list: [[ *var ]]
map_in_list: [ { key: *var } ]
embedded_mapping: [ key: *var ]
map: { key: *var }
list_in_map: { key: [*var] }
map_in_map: { foo: { bar: *var } }
EOF
));
}
public function testYamlDirective()
{
$yaml = <<<EOF
%YAML 1.2
---
foo: 1
bar: 2
EOF;
$this->assertEquals(array('foo' => 1, 'bar' => 2), $this->parser->parse($yaml));
}
}
class B
{
public $b = 'foo';
}
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