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Add some tests for Multiple parser

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This commit is contained in:
Nikita Popov 2015-07-12 22:00:02 +02:00
parent e7a2abb03b
commit 21e51c8cf6
2 changed files with 116 additions and 3 deletions
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6
lib/PhpParser/Parser/Multiple.php
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@ -14,9 +14,9 @@ class Multiple implements Parser {
/**
* Create a parser which will try multiple parsers in an order of preference.
*
* Parsers will be invoked in the order they're provided to the constructor. If one of the parsers runs without
* errors, it's output is returned. Otherwise the errors (and PhpParser\Error exception) of the first parser are
* used.
* Parsers will be invoked in the order they're provided to the constructor. If one of the
* parsers runs without errors, it's output is returned. Otherwise the errors (and
* PhpParser\Error exception) of the first parser are used.
*
* @param Parser[] $parsers
*/

113
test/PhpParser/Parser/MultipleTest.php Normal file
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@ -0,0 +1,113 @@
<?php
namespace PhpParser\Parser;
use PhpParser\Error;
use PhpParser\Lexer;
use PhpParser\Node\Scalar\LNumber;
use PhpParser\ParserTest;
use PhpParser\Node\Expr;
use PhpParser\Node\Stmt;
require_once __DIR__ . '/../ParserTest.php';
class MultipleTest extends ParserTest {
// This provider is for the generic parser tests, just pick an arbitrary order here
protected function getParser(Lexer $lexer) {
return new Multiple([new Php5($lexer), new Php7($lexer)]);
}
private function getPrefer7() {
$lexer = new Lexer(['usedAttributes' => []]);
return new Multiple([new Php7($lexer), new Php5($lexer)]);
}
private function getPrefer5() {
$lexer = new Lexer(['usedAttributes' => []]);
return new Multiple([new Php5($lexer), new Php7($lexer)]);
}
/** @dataProvider provideTestParse */
public function testParse($code, Multiple $parser, $expected) {
$this->assertEquals($expected, $parser->parse($code));
$this->assertSame([], $parser->getErrors());
}
public function provideTestParse() {
return [
[
// PHP 7 only code
'<?php class Test { function function() {} }',
$this->getPrefer5(),
[
new Stmt\Class_('Test', ['stmts' => [
new Stmt\ClassMethod('function')
]]),
]
],
[
// PHP 5 only code
'<?php global $$a->b;',
$this->getPrefer7(),
[
new Stmt\Global_([
new Expr\Variable(new Expr\PropertyFetch(new Expr\Variable('a'), 'b'))
])
]
],
[
// Different meaning (PHP 5)
'<?php $$a[0];',
$this->getPrefer5(),
[
new Expr\Variable(
new Expr\ArrayDimFetch(new Expr\Variable('a'), new LNumber(0))
)
]
],
[
// Different meaning (PHP 7)
'<?php $$a[0];',
$this->getPrefer7(),
[
new Expr\ArrayDimFetch(
new Expr\Variable(new Expr\Variable('a')), new LNumber(0)
)
]
],
];
}
public function testThrownError() {
$this->setExpectedException('PhpParser\Error', 'FAIL A');
$parserA = $this->getMockBuilder('PhpParser\Parser')->getMock();
$parserA->expects($this->at(0))
->method('parse')->will($this->throwException(new Error('FAIL A')));
$parserB = $this->getMockBuilder('PhpParser\Parser')->getMock();
$parserB->expects($this->at(0))
->method('parse')->will($this->throwException(new Error('FAIL B')));
$parser = new Multiple([$parserA, $parserB]);
$parser->parse('dummy');
}
public function testGetErrors() {
$errorsA = [new Error('A1'), new Error('A2')];
$parserA = $this->getMockBuilder('PhpParser\Parser')->getMock();
$parserA->expects($this->at(0))->method('parse');
$parserA->expects($this->at(1))
->method('getErrors')->will($this->returnValue($errorsA));
$errorsB = [new Error('B1'), new Error('B2')];
$parserB = $this->getMockBuilder('PhpParser\Parser')->getMock();
$parserB->expects($this->at(0))->method('parse');
$parserB->expects($this->at(1))
->method('getErrors')->will($this->returnValue($errorsB));
$parser = new Multiple([$parserA, $parserB]);
$parser->parse('dummy');
$this->assertSame($errorsA, $parser->getErrors());
}
}