Adds response reason phrases test against IANA.

src/Response.php

@@ -42,9 +42,9 @@ class Response implements ResponseInterface
         204 => 'No Content',
         205 => 'Reset Content',
         206 => 'Partial Content',
-        207 => 'Multi-status',
+        207 => 'Multi-Status',
         208 => 'Already Reported',
-        226 => 'IM used',
+        226 => 'IM Used',
         // REDIRECTION CODES
         300 => 'Multiple Choices',
         301 => 'Moved Permanently',
@@ -64,15 +64,15 @@ class Response implements ResponseInterface
         405 => 'Method Not Allowed',
         406 => 'Not Acceptable',
         407 => 'Proxy Authentication Required',
-        408 => 'Request Time-out',
+        408 => 'Request Timeout',
         409 => 'Conflict',
         410 => 'Gone',
         411 => 'Length Required',
         412 => 'Precondition Failed',
-        413 => 'Request Entity Too Large',
-        414 => 'Request-URI Too Large',
+        413 => 'Payload Too Large',
+        414 => 'URI Too Long',
         415 => 'Unsupported Media Type',
-        416 => 'Requested range not satisfiable',
+        416 => 'Range Not Satisfiable',
         417 => 'Expectation Failed',
         418 => 'I\'m a teapot',
         421 => 'Misdirected Request',
@@ -92,8 +92,8 @@ class Response implements ResponseInterface
         501 => 'Not Implemented',
         502 => 'Bad Gateway',
         503 => 'Service Unavailable',
-        504 => 'Gateway Time-out',
-        505 => 'HTTP Version not supported',
+        504 => 'Gateway Timeout',
+        505 => 'HTTP Version Not Supported',
         506 => 'Variant Also Negotiates',
         507 => 'Insufficient Storage',
         508 => 'Loop Detected',

test/ResponseTest.php

@@ -66,6 +66,122 @@ public function testReasonPhraseDefaultsToStandards()
         $this->assertEquals('Unprocessable Entity', $response->getReasonPhrase());
     }
 
+    protected function updateAndLoadIanaHttpStatusCodes()
+    {
+        set_error_handler(function ($errno, $errstr) {
+            throw new \ErrorException($errstr, 0, $errno);
+        });
+
+        $ianaHttpStatusCodes = new \DOMDocument();
+        $validXml = false;
+        $errorMessage = null;
+        $httpStatus = 0;
+
+        try {
+            $options = [
+                'http' => [
+                    'method'  => 'GET',
+                    'timeout' => 30,
+                ],
+            ];
+
+            $contents = file_get_contents(
+                'https://www.iana.org/assignments/http-status-codes/http-status-codes.xml',
+                false,
+                stream_context_create($options)
+            );
+
+            if ($http_response_header) {
+                if (preg_match('/^HTTP\/[0-9\.]+\s*([0-9]+)\s*.+$/i', $http_response_header[0], $matches) > 0) {
+                    $httpStatus = $matches[1];
+                }
+            }
+
+            if ($httpStatus == 200) {
+                $ianaHttpStatusCodes->loadXml($contents);
+                $validXml = $ianaHttpStatusCodes->relaxNGValidate(__DIR__ . '/TestAsset/http-status-codes.rng');
+
+                if ($validXml) {
+                    file_put_contents(__DIR__ . '/TestAsset/http-status-codes.xml', $contents);
+                    print 'IANA "http-status-codes.xml" updated successful' . "\n";
+                }
+            }
+        } catch (\Exception $e) {
+            $errorMessage = $e->getMessage();
+        }
+
+
+        if (! $validXml) {
+            if ($errorMessage) {
+                print 'Error on IANA "http-status-codes.xml" update. Error: ' . $errorMessage . "\n";
+            }
+
+            try {
+                $ianaHttpStatusCodes->load(__DIR__ . '/TestAsset/http-status-codes.xml');
+                $validXml = $ianaHttpStatusCodes->relaxNGValidate(__DIR__ . '/TestAsset/http-status-codes.rng');
+            } catch (\Exception $e) {
+                $errorMessage = $e->getMessage();
+            }
+        }
+
+        restore_error_handler();
+
+        if (! $validXml) {
+            $this->markTestIncomplete(
+                'Invalid IANA "http-status-codes.xml". Error: ' . $errorMessage
+            );
+            $ianaHttpStatusCodes = null;
+        }
+
+        return $ianaHttpStatusCodes;
+    }
+
+    public function ianaCodesReasonPhrasesProvider()
+    {
+        $ianaHttpStatusCodes = $this->updateAndLoadIanaHttpStatusCodes();
+
+        if (! $ianaHttpStatusCodes) {
+            return null;
+        }
+
+        $ianaCodesReasonPhrases = [];
+
+        $xpath = new \DomXPath($ianaHttpStatusCodes);
+        $xpath->registerNamespace('ns', 'http://www.iana.org/assignments');
+
+        $records = $xpath->query('//ns:record');
+
+        foreach ($records as $record) {
+            $value = $xpath->query('.//ns:value', $record)->item(0)->nodeValue;
+            $description = $xpath->query('.//ns:description', $record)->item(0)->nodeValue;
+
+            if ($description === 'Unassigned' || $description === '(Unused)') {
+                continue;
+            }
+
+            $range = preg_match('/^([0-9]+)\s*\-\s*([0-9]+)$/', $value, $matches);
+
+            if (! $range) {
+                $ianaCodesReasonPhrases[] = [$value, $description];
+            } else {
+                for ($value = $matches[1]; $value <= $matches[2]; $value++) {
+                    $ianaCodesReasonPhrases[] = [$value, $description];
+                }
+            }
+        }
+
+        return $ianaCodesReasonPhrases;
+    }
+
+    /**
+     * @dataProvider ianaCodesReasonPhrasesProvider
+     */
+    public function testReasonPhraseDefaultsAgainstIana($code, $reasonPhrase)
+    {
+        $response = $this->response->withStatus($code);
+        $this->assertEquals($reasonPhrase, $response->getReasonPhrase());
+    }
+
     public function testCanSetCustomReasonPhrase()
     {
         $response = $this->response->withStatus(422, 'Foo Bar!');

test/TestAsset/http-status-codes.rng

@@ -0,0 +1,31 @@
+<?xml version='1.0'?>
+<grammar xmlns="http://relaxng.org/ns/structure/1.0"
+  datatypeLibrary="http://www.w3.org/2001/XMLSchema-datatypes"
+  ns="http://www.iana.org/assignments">
+
+  <include href="iana-registry.rng"/>
+
+  <start>
+    <element name="registry">
+      <ref name="registryMeta"/>
+      <element name="registry">
+        <ref name="registryMeta"/>
+        <zeroOrMore>
+          <element name="record">
+            <optional>
+              <attribute name="date"><ref name="genericDate"/></attribute>
+            </optional>
+            <optional>
+              <attribute name="updated"><ref name="genericDate"/></attribute>
+            </optional>
+            <element name="value"><ref name="genericRange"/></element>
+            <element name="description"><text/></element>
+            <ref name="references"/>
+          </element>
+        </zeroOrMore>
+      </element>
+      <ref name="people"/>
+    </element>
+  </start>
+
+</grammar>