如何解决PHPUnit断言是否引发了异常？
| 有谁知道是否有一个“ 0”或类似的东西可以测试被测代码中是否抛出了异常？解决方法
<?php
require_once \'PHPUnit/Framework.php\';
class ExceptionTest extends PHPUnit_Framework_TestCase
{
public function testException()
{
$this->expectException(InvalidArgumentException::class);
// or for PHPUnit < 5.2
// $this->setExpectedException(InvalidArgumentException::class);
//...and then add your test code that generates the exception
exampleMethod($anInvalidArgument);
}
}
class ExceptionTest extends PHPUnit_Framework_TestCase
{
/**
* @expectedException InvalidArgumentException
*/
public function testException()
{
...
}
}
::class
::class
expectException
setExpectedException
namespace \\My\\Cool\\Package;
class AuthTest extends \\PHPUnit_Framework_TestCase
{
public function testLoginFailsForWrongPassword()
{
$this->expectException(WrongPasswordException::class);
Auth::login(\'Bob\',\'wrong\');
}
}
WrongPasswordException::class
\"\\My\\Cool\\Package\\WrongPasswordException\"
setExpectedException
try{
$test->methodWhichWillThrowException();//if this method not throw exception it must be fail too.
$this->fail(\"Expected exception 1162011 not thrown\");
}catch(MySpecificException $e){ //Not catching a generic Exception or the fail function is also catched
$this->assertEquals(1162011,$e->getCode());
$this->assertEquals(\"Exception Message\",$e->getMessage());
}
public function testSomething()
{
$test = function() {
// some code that has to throw an exception
};
$this->assertException( $test,\'InvalidArgumentException\',100,\'expected message\' );
}
$this->expectException(\\InvalidArgumentException::class);
$this->expectExceptionMessage(\'Expected Exception Message\');
\\PHPUnit_Framework_TestCase
/**
* Asserts that the given callback throws the given exception.
*
* @param string $expectClass The name of the expected exception class
* @param callable $callback A callback which should throw the exception
*/
protected function assertException(string $expectClass,callable $callback)
{
try {
$callback();
} catch (\\Throwable $exception) {
$this->assertInstanceOf($expectClass,$exception,\'An invalid exception was thrown\');
return;
}
$this->fail(\'No exception was thrown\');
}
public function testSomething() {
$this->assertException(\\PDOException::class,function() {
new \\PDO(\'bad:param\');
});
$this->assertException(\\PDOException::class,function() {
new \\PDO(\'foo:bar\');
});
}
public function testException() {
try {
$this->methodThatThrowsException();
$this->fail(\"Expected Exception has not been raised.\");
} catch (Exception $ex) {
$this->assertEquals($ex->getMessage(),\"Exception message\");
}
}
assert
assertNotThrows
Throwable
<?php
// Using simple callback
$this->assertThrows(MyException::class,[$obj,\'doSomethingBad\']);
// Using anonymous function
$this->assertThrows(MyException::class,function() use ($obj) {
$obj->doSomethingBad();
});
<?php
declare(strict_types=1);
use Jchook\\AssertThrows\\AssertThrows;
use PHPUnit\\Framework\\TestCase;
// These are just for illustration
use MyNamespace\\MyException;
use MyNamespace\\MyObject;
final class MyTest extends TestCase
{
use AssertThrows; // <--- adds the assertThrows method
public function testMyObject()
{
$obj = new MyObject();
// Test a basic exception is thrown
$this->assertThrows(MyException::class,function() use ($obj) {
$obj->doSomethingBad();
});
// Test custom aspects of a custom extension class
$this->assertThrows(MyException::class,function() use ($obj) {
$obj->doSomethingBad();
},function($exception) {
$this->assertEquals(\'Expected value\',$exception->getCustomThing());
$this->assertEquals(123,$exception->getCode());
}
);
// Test that a specific exception is NOT thrown
$this->assertNotThrows(MyException::class,function() use ($obj) {
$obj->doSomethingGood();
});
}
}
?>
class ExceptionTest extends PHPUnit_Framework_TestCase
{
public function testException()
{
// make your exception assertions
$this->expectException(InvalidArgumentException::class);
// if you use namespaces:
// $this->expectException(\'\\Namespace\\MyException\');
$this->expectExceptionMessage(\'message\');
$this->expectExceptionMessageRegExp(\'/essage$/\');
$this->expectExceptionCode(123);
// code that throws an exception
throw new InvalidArgumentException(\'message\',123);
}
public function testAnotherException()
{
// repeat as needed
$this->expectException(Exception::class);
throw new Exception(\'Oh no!\');
}
}
/**
* @expectedException Exception
* @expectedExceptionMessage Amount has to be bigger then 0!
*/
public function testDepositNegative()
{
$this->account->deposit(-7);
}
\"/**\"
public function testSomeFunction() {
$e=null;
$targetClassObj= new TargetClass();
try {
$targetClassObj->doSomething();
} catch ( \\Exception $e ) {
}
$this->assertInstanceOf(\\Exception::class,$e);
$this->assertEquals(\'Some message\',$e->getMessage());
$e=null;
try {
$targetClassObj->doSomethingElse();
} catch ( Exception $e ) {
}
$this->assertInstanceOf(\\Exception::class,$e);
$this->assertEquals(\'Another message\',$e->getMessage());
}
function yourfunction($a,$z){
if($a<$z){ throw new <YOUR_EXCEPTION>; }
}
class FunctionTest extends \\PHPUnit_Framework_TestCase{
public function testException(){
$this->setExpectedException(<YOUR_EXCEPTION>::class);
yourfunction(1,2);//add vars that cause the exception
}
}
AssertUtils::throwsException(function(){
// Some code that must throw an exception here
},\'/expected error message/\');
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