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[Debug][ExceptionHandler] Add tests for custom handlers #32619

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Merged
merged 1 commit into from
Jul 23, 2019
Merged

[Debug][ExceptionHandler] Add tests for custom handlers #32619

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66 changes: 48 additions & 18 deletions src/Symfony/Component/Debug/Tests/ExceptionHandlerTest.php
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Original file line number Diff line number Diff line change
Expand Up @@ -76,7 +76,7 @@ public function testHeaders()

ob_start();
$handler->sendPhpResponse(new MethodNotAllowedHttpException(['POST']));
$response = ob_get_clean();
ob_get_clean();

$expectedHeaders = [
['HTTP/1.0 405', true, null],
Expand All @@ -99,35 +99,65 @@ public function testNestedExceptions()

public function testHandle()
{
$exception = new \Exception('foo');
$handler = new ExceptionHandler(true);
ob_start();

$handler = $this->getMockBuilder('Symfony\Component\Debug\ExceptionHandler')->setMethods(['sendPhpResponse'])->getMock();
$handler
->expects($this->exactly(2))
->method('sendPhpResponse');
$handler->handle(new \Exception('foo'));

$handler->handle($exception);
$this->assertThatTheExceptionWasOutput(ob_get_clean(), \Exception::class, 'Exception', 'foo');
}

$handler->setHandler(function ($e) use ($exception) {
$this->assertSame($exception, $e);
public function testHandleWithACustomHandlerThatOutputsSomething()
{
$handler = new ExceptionHandler(true);
ob_start();
$handler->setHandler(function () {
echo 'ccc';
});

$handler->handle($exception);
$handler->handle(new \Exception());
ob_end_flush(); // Necessary because of this PHP bug : https://bugs.php.net/bug.php?id=76563
$this->assertSame('ccc', ob_get_clean());
}

public function testHandleOutOfMemoryException()
public function testHandleWithACustomHandlerThatOutputsNothing()
{
$handler = new ExceptionHandler(true);
$handler->setHandler(function () {});

$handler->handle(new \Exception('ccc'));

$this->assertThatTheExceptionWasOutput(ob_get_clean(), \Exception::class, 'Exception', 'ccc');
}

public function testHandleWithACustomHandlerThatFails()
{
$exception = new OutOfMemoryException('foo', 0, E_ERROR, __FILE__, __LINE__);
$handler = new ExceptionHandler(true);
$handler->setHandler(function () {
throw new \RuntimeException();
});

$handler = $this->getMockBuilder('Symfony\Component\Debug\ExceptionHandler')->setMethods(['sendPhpResponse'])->getMock();
$handler
->expects($this->once())
->method('sendPhpResponse');
$handler->handle(new \Exception('ccc'));

$handler->setHandler(function ($e) {
$this->assertThatTheExceptionWasOutput(ob_get_clean(), \Exception::class, 'Exception', 'ccc');
}

public function testHandleOutOfMemoryException()
{
$handler = new ExceptionHandler(true);
ob_start();
$handler->setHandler(function () {
$this->fail('OutOfMemoryException should bypass the handler');
});

$handler->handle($exception);
$handler->handle(new OutOfMemoryException('foo', 0, E_ERROR, __FILE__, __LINE__));

$this->assertThatTheExceptionWasOutput(ob_get_clean(), OutOfMemoryException::class, 'OutOfMemoryException', 'foo');
}

private function assertThatTheExceptionWasOutput($content, $expectedClass, $expectedTitle, $expectedMessage)
{
$this->assertContains(sprintf('<span class="exception_title"><abbr title="%s">%s</abbr></span>', $expectedClass, $expectedTitle), $content);
$this->assertContains(sprintf('<p class="break-long-words trace-message">%s</p>', $expectedMessage), $content);
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@nicolas-grekas Use <h1 class="break-long-words exception-message"> when merging to 4.2

}
}