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psalm/tests/FunctionCallTest.php

596 lines
17 KiB
PHP

<?php
namespace Psalm\Tests;
use PhpParser\ParserFactory;
use PHPUnit_Framework_TestCase;
use Psalm\Checker\FileChecker;
use Psalm\Config;
use Psalm\Context;
class FunctionCallTest extends PHPUnit_Framework_TestCase
{
/** @var \PhpParser\Parser */
protected static $parser;
/** @var \Psalm\Checker\ProjectChecker */
protected $project_checker;
/**
* @return void
*/
public static function setUpBeforeClass()
{
self::$parser = (new ParserFactory)->create(ParserFactory::PREFER_PHP7);
}
/**
* @return void
*/
public function setUp()
{
FileChecker::clearCache();
$this->project_checker = new \Psalm\Checker\ProjectChecker();
$this->project_checker->setConfig(new TestConfig());
}
/**
* @expectedException \Psalm\Exception\CodeException
* @expectedExceptionMessage InvalidScalarArgument
* @return void
*/
public function testInvalidScalarArgument()
{
$stmts = self::$parser->parse('<?php
function fooFoo(int $a) : void {}
fooFoo("string");
');
$file_checker = new FileChecker('somefile.php', $this->project_checker, $stmts);
$context = new Context();
$file_checker->visitAndAnalyzeMethods($context);
}
/**
* @expectedException \Psalm\Exception\CodeException
* @expectedExceptionMessage MixedArgument
* @return void
*/
public function testMixedArgument()
{
Config::getInstance()->setCustomErrorLevel('MixedAssignment', Config::REPORT_SUPPRESS);
$stmts = self::$parser->parse('<?php
function fooFoo(int $a) : void {}
/** @var mixed */
$a = "hello";
fooFoo($a);
');
$file_checker = new FileChecker('somefile.php', $this->project_checker, $stmts);
$context = new Context();
$file_checker->visitAndAnalyzeMethods($context);
}
/**
* @expectedException \Psalm\Exception\CodeException
* @expectedExceptionMessage NullArgument
* @return void
*/
public function testNullArgument()
{
$stmts = self::$parser->parse('<?php
function fooFoo(int $a) : void {}
fooFoo(null);
');
$file_checker = new FileChecker('somefile.php', $this->project_checker, $stmts);
$context = new Context();
$file_checker->visitAndAnalyzeMethods($context);
}
/**
* @expectedException \Psalm\Exception\CodeException
* @expectedExceptionMessage TooFewArguments
* @return void
*/
public function testTooFewArguments()
{
$stmts = self::$parser->parse('<?php
function fooFoo(int $a) : void {}
fooFoo();
');
$file_checker = new FileChecker('somefile.php', $this->project_checker, $stmts);
$context = new Context();
$file_checker->visitAndAnalyzeMethods($context);
}
/**
* @expectedException \Psalm\Exception\CodeException
* @expectedExceptionMessage TooManyArguments
* @return void
*/
public function testTooManyArguments()
{
$stmts = self::$parser->parse('<?php
function fooFoo(int $a) : void {}
fooFoo(5, "dfd");
');
$file_checker = new FileChecker('somefile.php', $this->project_checker, $stmts);
$context = new Context();
$file_checker->visitAndAnalyzeMethods($context);
}
/**
* @expectedException \Psalm\Exception\CodeException
* @expectedExceptionMessage TypeCoercion
* @return void
*/
public function testTypeCoercion()
{
$stmts = self::$parser->parse('<?php
class A {}
class B extends A{}
function fooFoo(B $b) : void {}
fooFoo(new A());
');
$file_checker = new FileChecker('somefile.php', $this->project_checker, $stmts);
$context = new Context();
$file_checker->visitAndAnalyzeMethods($context);
}
/**
* @expectedException \Psalm\Exception\CodeException
* @expectedExceptionMessage TypeCoercion
* @return void
*/
public function testArrayTypeCoercion()
{
$stmts = self::$parser->parse('<?php
class A {}
class B extends A{}
/**
* @param B[] $b
* @return void
*/
function fooFoo(array $b) {}
fooFoo([new A()]);
');
$file_checker = new FileChecker('somefile.php', $this->project_checker, $stmts);
$context = new Context();
$file_checker->visitAndAnalyzeMethods($context);
}
/**
* @return void
*/
public function testTypedArrayWithDefault()
{
$stmts = self::$parser->parse('<?php
class A {}
/** @param array<A> $a */
function fooFoo(array $a = []) : void {
}
');
$file_checker = new FileChecker('somefile.php', $this->project_checker, $stmts);
$context = new Context();
$file_checker->visitAndAnalyzeMethods($context);
}
/**
* @expectedException \Psalm\Exception\CodeException
* @expectedExceptionMessage DuplicateParam
* @return void
*/
public function testDuplicateParam()
{
$stmts = self::$parser->parse('<?php
function f($p, $p) {}
');
$file_checker = new FileChecker('somefile.php', $this->project_checker, $stmts);
$context = new Context();
$file_checker->visitAndAnalyzeMethods($context);
}
/**
* @expectedException \Psalm\Exception\CodeException
* @expectedExceptionMessage InvalidParamDefault
* @return void
*/
public function testInvalidParamDefault()
{
$stmts = self::$parser->parse('<?php
function f(int $p = false) {}
');
$file_checker = new FileChecker('somefile.php', $this->project_checker, $stmts);
$context = new Context();
$file_checker->visitAndAnalyzeMethods($context);
}
/**
* @expectedException \Psalm\Exception\CodeException
* @expectedExceptionMessage InvalidParamDefault
* @return void
*/
public function testInvalidDocblockParamDefault()
{
$stmts = self::$parser->parse('<?php
/**
* @param int $p
* @return void
*/
function f($p = false) {}
');
$file_checker = new FileChecker('somefile.php', $this->project_checker, $stmts);
$context = new Context();
$file_checker->visitAndAnalyzeMethods($context);
}
/**
* @return void
*/
public function testValidDocblockParamDefault()
{
$stmts = self::$parser->parse('<?php
/**
* @param int|false $p
* @return void
*/
function f($p = false) {}
');
$file_checker = new FileChecker('somefile.php', $this->project_checker, $stmts);
$context = new Context();
$file_checker->visitAndAnalyzeMethods($context);
}
/**
* @return void
*/
public function testByRef()
{
$stmts = self::$parser->parse('<?php
function fooFoo(string &$v) : void {}
fooFoo($a);
');
$file_checker = new FileChecker('somefile.php', $this->project_checker, $stmts);
$context = new Context();
$file_checker->visitAndAnalyzeMethods($context);
}
/**
* @expectedException \Psalm\Exception\CodeException
* @expectedExceptionMessage InvalidPassByReference
* @return void
*/
public function testBadByRef()
{
$this->markTestSkipped('Does not throw an error');
$stmts = self::$parser->parse('<?php
function fooFoo(string &$v) : void {}
fooFoo("a");
');
$file_checker = new FileChecker('somefile.php', $this->project_checker, $stmts);
$context = new Context();
$file_checker->visitAndAnalyzeMethods($context);
}
/**
* @return void
*/
public function testNamespaced()
{
$stmts = self::$parser->parse('<?php
namespace A;
/** @return void */
function f(int $p) {}
f(5);
');
$file_checker = new FileChecker('somefile.php', $this->project_checker, $stmts);
$context = new Context();
$file_checker->visitAndAnalyzeMethods($context);
}
/**
* @return void
*/
public function testNamespacedRootFunctionCall()
{
$stmts = self::$parser->parse('<?php
namespace {
/** @return void */
function foo() { }
}
namespace A\B\C {
foo();
}
');
$file_checker = new FileChecker('somefile.php', $this->project_checker, $stmts);
$context = new Context();
$file_checker->visitAndAnalyzeMethods($context);
}
/**
* @return void
*/
public function testNamespacedAliasedFunctionCall()
{
$stmts = self::$parser->parse('<?php
namespace Aye {
/** @return void */
function foo() { }
}
namespace Bee {
use Aye as A;
A\foo();
}
');
$file_checker = new FileChecker('somefile.php', $this->project_checker, $stmts);
$context = new Context();
$file_checker->visitAndAnalyzeMethods($context);
}
/**
* @return void
*/
public function testArrayKeys()
{
$stmts = self::$parser->parse('<?php
$a = array_keys(["a" => 1, "b" => 2]);
');
$file_checker = new FileChecker('somefile.php', $this->project_checker, $stmts);
$context = new Context();
$file_checker->visitAndAnalyzeMethods($context);
$this->assertEquals('array<int, string>', (string) $context->vars_in_scope['$a']);
}
/**
* @return void
*/
public function testArrayKeysMixed()
{
Config::getInstance()->setCustomErrorLevel('MixedArgument', Config::REPORT_SUPPRESS);
$stmts = self::$parser->parse('<?php
/** @var array */
$b = ["a" => 5];
$a = array_keys($b);
');
$file_checker = new FileChecker('somefile.php', $this->project_checker, $stmts);
$context = new Context();
$file_checker->visitAndAnalyzeMethods($context);
$this->assertEquals('array<int, mixed>', (string) $context->vars_in_scope['$a']);
}
/**
* @return void
*/
public function testArrayValues()
{
$stmts = self::$parser->parse('<?php
$b = array_values(["a" => 1, "b" => 2]);
');
$file_checker = new FileChecker('somefile.php', $this->project_checker, $stmts);
$context = new Context();
$file_checker->visitAndAnalyzeMethods($context);
$this->assertEquals('array<int, int>', (string) $context->vars_in_scope['$b']);
}
/**
* @return void
*/
public function testArrayCombine()
{
$stmts = self::$parser->parse('<?php
$c = array_combine(["a", "b", "c"], [1, 2, 3]);
');
$file_checker = new FileChecker('somefile.php', $this->project_checker, $stmts);
$context = new Context();
$file_checker->visitAndAnalyzeMethods($context);
$this->assertEquals('array<string, int>', (string) $context->vars_in_scope['$c']);
}
/**
* @return void
*/
public function testArrayMerge()
{
$stmts = self::$parser->parse('<?php
$d = array_merge(["a", "b", "c"], [1, 2, 3]);
');
$file_checker = new FileChecker('somefile.php', $this->project_checker, $stmts);
$context = new Context();
$file_checker->visitAndAnalyzeMethods($context);
$this->assertEquals('array<int, int|string>', (string) $context->vars_in_scope['$d']);
}
/**
* @return void
*/
public function testArrayDiff()
{
$stmts = self::$parser->parse('<?php
$d = array_diff(["a" => 5, "b" => 12], [5]);
');
$file_checker = new FileChecker('somefile.php', $this->project_checker, $stmts);
$context = new Context();
$file_checker->visitAndAnalyzeMethods($context);
$this->assertEquals('array<string, int>', (string) $context->vars_in_scope['$d']);
}
/**
* @return void
*/
public function testArrayFilter()
{
$stmts = self::$parser->parse('<?php
$d = array_filter(["a" => 5, "b" => 12, "c" => null]);
$e = array_filter(["a" => 5, "b" => 12, "c" => null], function(?int $i) : bool { return true; });
');
$file_checker = new FileChecker('somefile.php', $this->project_checker, $stmts);
$context = new Context();
$file_checker->visitAndAnalyzeMethods($context);
$this->assertEquals('array<string, int>', (string) $context->vars_in_scope['$d']);
$this->assertEquals('array<string, null|int>', (string) $context->vars_in_scope['$e']);
if (version_compare((string)phpversion(), '5.6.0', '>=')) {
$stmts = self::$parser->parse('<?php
$f = array_filter(["a" => 5, "b" => 12, "c" => null], function(?int $val, string $key) : bool { return true; }, ARRAY_FILTER_USE_BOTH);
$g = array_filter(["a" => 5, "b" => 12, "c" => null], function(string $val) : bool { return true; }, ARRAY_FILTER_USE_KEY);
$bar = "bar";
$foo = [
$bar => function () : string {
return "baz";
},
];
$foo = array_filter(
$foo,
function (string $key) : bool {
return $key === "bar";
},
ARRAY_FILTER_USE_KEY
);
');
$file_checker = new FileChecker('somefile.php', $this->project_checker, $stmts);
$context = new Context();
$file_checker->visitAndAnalyzeMethods($context);
$this->assertEquals('array<string, null|int>', (string) $context->vars_in_scope['$f']);
$this->assertEquals('array<string, null|int>', (string) $context->vars_in_scope['$g']);
}
}
/**
* @return void
*/
public function testArrayFilterUseKey()
{
if (version_compare((string)phpversion(), '5.6.0', '>=')) {
$stmts = self::$parser->parse('<?php
$bar = "bar";
$foo = [
$bar => function () : string {
return "baz";
},
];
$foo = array_filter(
$foo,
function (string $key) : bool {
return $key === "bar";
},
ARRAY_FILTER_USE_KEY
);
');
$file_checker = new FileChecker('somefile.php', $this->project_checker, $stmts);
$context = new Context();
$file_checker->visitAndAnalyzeMethods($context);
}
}
/**
* @return void
*/
public function testByRefAfterCallable()
{
Config::getInstance()->setCustomErrorLevel('MixedAssignment', Config::REPORT_SUPPRESS);
Config::getInstance()->setCustomErrorLevel('MixedArrayAccess', Config::REPORT_SUPPRESS);
$stmts = self::$parser->parse('<?php
/**
* @param callable $callback
* @return void
*/
function route($callback) {
if (!is_callable($callback)) { }
$a = preg_match("", "", $b);
if ($b[0]) {}
}
');
$file_checker = new FileChecker('somefile.php', $this->project_checker, $stmts);
$context = new Context();
$file_checker->visitAndAnalyzeMethods($context);
}
/**
* @expectedException \Psalm\Exception\CodeException
* @expectedExceptionMessage InvalidScalarArgument
* @return void
*/
public function testInvalidArgAfterCallable()
{
Config::getInstance()->setCustomErrorLevel('MixedAssignment', Config::REPORT_SUPPRESS);
Config::getInstance()->setCustomErrorLevel('MixedArrayAccess', Config::REPORT_SUPPRESS);
$stmts = self::$parser->parse('<?php
/**
* @param callable $callback
* @return void
*/
function route($callback) {
if (!is_callable($callback)) { }
takes_int("string");
}
function takes_int(int $i) {}
');
$file_checker = new FileChecker('somefile.php', $this->project_checker, $stmts);
$context = new Context();
$file_checker->visitAndAnalyzeMethods($context);
}
/**
* @return void
*/
public function testExtractVarCheck()
{
Config::getInstance()->setCustomErrorLevel('MixedAssignment', Config::REPORT_SUPPRESS);
Config::getInstance()->setCustomErrorLevel('MixedArrayAccess', Config::REPORT_SUPPRESS);
$stmts = self::$parser->parse('<?php
function takesString(string $str) : void {}
$foo = null;
$a = ["$foo" => "bar"];
extract($a);
takesString($foo);
');
$file_checker = new FileChecker('somefile.php', $this->project_checker, $stmts);
$context = new Context();
$file_checker->visitAndAnalyzeMethods($context);
}
}