Reconstruct partial stack traces for fatal errors. (#13238)

* Reconstruct partial stack traces for fatal errors.

* tweak to fatal error breadcrumb

* Add docs + fix test.

* Add fatal error test and improve fatal error stack trace a bit.

* fix test on travis

1 files changed, 39 insertions, 0 deletions

diff --git a/tests/PHPUnit/Integration/ErrorHandlerTest.php b/tests/PHPUnit/Integration/ErrorHandlerTest.php
new file mode 100644
index 0000000000..eaf290c574
--- /dev/null
+++ b/tests/PHPUnit/Integration/ErrorHandlerTest.php
@@ -0,0 +1,39 @@
+<?php
+/**
+ * Piwik - free/libre analytics platform
+ *
+ * @link http://piwik.org
+ * @license http://www.gnu.org/licenses/gpl-3.0.html GPL v3 or later
+ */
+
+namespace Piwik\Tests\Integration;
+
+
+use Piwik\Http;
+use Piwik\Tests\Framework\Fixture;
+use Piwik\Tests\Framework\TestCase\IntegrationTestCase;
+
+class ErrorHandlerTest extends IntegrationTestCase
+{
+    public function test_fatalErrorStackTracesReturned()
+    {
+        $url = Fixture::getRootUrl() . '/tests/resources/trigger-fatal.php?format=json';
+        $response = Http::sendHttpRequest($url, 2);
+
+        $response = json_decode($response, $isAssoc = true);
+        $response['message'] = $this->cleanMessage($response['message']);
+
+        $this->assertEquals('error', $response['result']);
+
+        $expectedFormat = <<<FORMAT
+Allowed memory size of %s bytes exhausted (tried to allocate %s bytes) on {includePath}/tests/resources/trigger-fatal.php(22)#0 {includePath}/tests/resources/trigger-fatal.php(35): MyClass-&gt;triggerError()#1 {includePath}/tests/resources/trigger-fatal.php(51): MyDerivedClass::staticMethod()#2 {includePath}/tests/resources/trigger-fatal.php(57): myFunction()
+FORMAT;
+
+        $this->assertStringMatchesFormat($expectedFormat, $response['message']);
+    }
+
+    private function cleanMessage($message)
+    {
+        return str_replace(PIWIK_INCLUDE_PATH, '{includePath}', $message);
+    }
+}
\ No newline at end of file