Start on HTTP parser tests

lib/Parser/HTTP/Message.php

@@ -14,12 +14,15 @@ use Psr\Http\Message\MessageInterface;
 
 class Message {
     protected const TYPE_PATTERN = '/^[A-Za-z0-9!#$%&\'*+\-\.\^_`|~]+\/[A-Za-z0-9!#$%&\'*+\-\.\^_`|~]+\s*(;.*)?$/s';
-    protected const DATE_PATTERN = '/^(?:(Mon|Tue|Wed|Thu|Fri|Sat|Sun), \d\d (?:Jan|Feb|Mar|Apr|May|Jun|Jul|Aug|Sep|Oct|Nov|Dec) \d{4} \d\d:\d\d:\d\d GMT|(?:Mon|Tues|Wednes|Thurs|Fri|Satur|Sun)day, \d\d-(?:Jan|Feb|Mar|Apr|May|Jun|Jul|Aug|Sep|Oct|Nov|Dec)-\d\d \d\d:\d\d:\d\d GMT|(?:Mon|Tue|Wed|Thu|Fri|Sat|Sun) (?:Jan|Feb|Mar|Apr|May|Jun|Jul|Aug|Sep|Oct|Nov|Dec) (?:\d\d| \d) \d\d:\d\d:\d\d \d{4})$/';
+    protected const DATE_PATTERN = '/^(?|(Mon|Tue|Wed|Thu|Fri|Sat|Sun), \d\d (?:Jan|Feb|Mar|Apr|May|Jun|Jul|Aug|Sep|Oct|Nov|Dec) \d{4} \d\d:\d\d:\d\d GMT|(Mon|Tues|Wednes|Thurs|Fri|Satur|Sun)day, \d\d-(?:Jan|Feb|Mar|Apr|May|Jun|Jul|Aug|Sep|Oct|Nov|Dec)-\d\d \d\d:\d\d:\d\d GMT|(Mon|Tue|Wed|Thu|Fri|Sat|Sun) (?:Jan|Feb|Mar|Apr|May|Jun|Jul|Aug|Sep|Oct|Nov|Dec) (?:\d\d| \d) \d\d:\d\d:\d\d \d{4})$/';
     protected const ETAG_PATTERN = '/^.+$/';
     protected const CCON_PATTERN = '/(?:^|,)\s*[^=,]+(?:=(?:"(?:\\"|[^"])*"[^,]*|[^,]*))?/';
+    protected const SDAY_MAP = ["Sun", "Mon", "Tue", "Wed", "Thu", "Fri", "Sat"];
+    protected const FDAY_MAP = ["Sunday", "Monday", "Tuesday", "Wednesday", "Thursday", "Friday", "Saturday"];
 
     /** @var \Psr\Http\Message\MessageInterface */
     protected $msg;
+    protected $url;
 
     public function __construct(MessageInterface $msg, string $url = null) {
         $this->msg = $msg;
@@ -29,6 +32,7 @@ class Message {
     }
 
     public function parse(FeedStruct $feed = null): FeedStruct {
+        $feed = $feed ?? new FeedStruct;
         $feed->meta->url = strlen($this->url ?? "") ? new Url($this->url) : null;
         $feed->meta->type = $this->getContentType();
         $feed->meta->date = $this->getDate();
@@ -55,9 +59,17 @@ class Message {
     }
 
     protected function parseDate(string $name): ?Date {
-        $d = $this->parseHeader($name, self::DATE_PATTERN);
-        if ($d) {
-            return Date::createFromString($d[0]);
+        foreach ($this->msg->getHeader($name) as $h) {
+            if (preg_match(self::DATE_PATTERN, $h, $match)) {
+                $out = Date::createFromString($match[0]);
+                if ($out) {
+                    // ensure the weekday is the correct day for the date
+                    $day = $out->format("w");
+                    if (self::SDAY_MAP[$day] === $match[1] || self::FDAY_MAP[$day] === $match[1]) {
+                        return $out;
+                    }
+                }
+            }
         }
         return null;
     }
@@ -88,7 +100,8 @@ class Message {
 
     public function getMaxAge(): ?\DateInterval {
         $c = $this->parseHeader("Cache-Control", self::CCON_PATTERN, true);
-        var_export($c);
-        exit;
+        //var_export($c);
+        //exit;
+        return null;
     }
 }

tests/cases/AbstractParserTestCase.php

@@ -6,35 +6,6 @@
 declare(strict_types=1);
 namespace MensBeam\Lax\TestCase;
 
-/* Test format is as follows:
-
-    Each test is a YAML map with the following keys:
-
-    - `input`: The test input as a string
-    - `output`: The result of the parsing upon success; described in more detail below
-    - `exception`: The exception ID thrown upon failure
-    - `type`: An HTTP Content-Type (with or without parameters) for the document
-    - `doc_url`: A fictitious URL where a newsfeed might be located, used for relative URL resolution
-
-    The 'input' key along with either 'output' or 'exception' are required for all tests.
-
-    The test output is necessarily mangled due to the limits of YAML:
-
-    - Any field which should be an absolute URL should be written as a string,
-      which will be transformed accordingly. Relative URLs should be represented
-      as a sequence with the relative part first, followed by the base that should
-      be applied to it
-    - Any collections should be represented as sequences of maps, which will
-      all be transformed accordingly
-    - Rich text can either be supplied as a string (which will yield a Text object
-      with plain-text content) or as a map with any of the properties of the
-      Text class listed
-
-    The transformations as performed by the `makeFeed` and `makeEntry` methods
-    of the abstract test case.
-
-*/
-
 use MensBeam\Lax\Feed;
 use MensBeam\Lax\Date;
 use MensBeam\Lax\Text;
@@ -52,6 +23,7 @@ use MensBeam\Lax\Enclosure\Collection as EnclosureCollection;
 use MensBeam\Lax\Parser\Exception;
 use Symfony\Component\Yaml\Yaml;
 use Symfony\Component\Yaml\Parser as YamlParser;
+use GuzzleHttp\Psr7\Response;
 
 class AbstractParserTestCase extends \PHPUnit\Framework\TestCase {
     protected function provideParserTests(string $glob): iterable {
@@ -62,6 +34,10 @@ class AbstractParserTestCase extends \PHPUnit\Framework\TestCase {
                 } else {
                     $test->output = $this->makeFeed($test->output);
                 }
+                if (is_object($test->input)) {
+                    assert((isset($test->input->head) && $test->input->head instanceof \stdClass) || (isset($test->input->body) && is_string($test->input->body)), "Input is not in a correct format");
+                    $test->input = new Response($test->input->status ?? 200, (array) ($test->input->head ?? []), $test->input->body ?? null);
+                }  
                 yield "$file: {$description}" => [
                     $test->input,
                     $test->type ?? "",
@@ -203,6 +179,8 @@ class AbstractParserTestCase extends \PHPUnit\Framework\TestCase {
         foreach ($meta as $k => $v) {
             if ($k === 'url') {
                 $m->$k = new Url($v);
+            } elseif (in_array($k, ["date", "lastModified", "expires"])) {
+                $m->$k = new Date($v);
             } else {
                 $m->$k = $v;
             }

tests/cases/HTTP/HTTPTest.php

@@ -0,0 +1,31 @@
+<?php
+/** @license MIT
+ * Copyright 2018 J. King
+ * See LICENSE and AUTHORS files for details */
+
+declare(strict_types=1);
+namespace MensBeam\Lax\TestCase\JSON;
+
+use GuzzleHttp\Psr7\Response;
+
+/** @covers MensBeam\Lax\Parser\HTTP\Message */
+class HTTPTest extends \MensBeam\Lax\TestCase\AbstractParserTestCase {
+    /** @dataProvider provideHTTPMessages */
+    public function testParseAnHttpMessage(Response $input, ?string $url, $exp): void {
+        $p = new \MensBeam\Lax\Parser\HTTP\Message($input, $url);
+        if ($exp instanceof \Exception) {
+            $this->expectExceptionObject($exp);
+            $p->parse();
+        } else {
+            $act = $p->parse();
+            $this->assertEquals($exp, $act);
+        }
+    }
+
+    public function provideHTTPMessages(): iterable {
+        foreach ($this->provideParserTests(__DIR__."/*.yaml") as $k => $t) {
+            array_splice($t, 1, 1);
+            yield $k => $t;
+        }
+    }
+}

tests/cases/HTTP/http.yaml

@@ -0,0 +1,20 @@
+Dates:
+    input:
+        head:
+            Date: 'Thu, 05 Mar 2020 23:08:55 GMT'
+            Expires: 'Fri, 06 Mar 2020 09:22:00 GMT'
+            Last-Modified: 'Tue, 03 Mar 2020 06:14:00 GMT'
+    output:
+        meta:
+            date: '2020-03-05T23:08:55Z'
+            expires: '2020-03-06T09:22:00Z'
+            lastModified: '2020-03-03T06:14:00Z'
+
+Invalid dates:
+    input:
+        head:
+            Date: 'Thu, 05 Mar 2020 25:08:55 GMT'
+            Expires: 'Fri, 06 Mar 2020 09:22:00 EST'
+            Last-Modified: 'Wed, 03 Mar 2020 06:14:00 GMT'
+    output:
+        meta: {}

tests/cases/README.md

@@ -0,0 +1,43 @@
+# The Lax test suite
+
+## Feed parsing tests
+
+The tests under the `JSON`, `XML`, and `HTTP` directories are parser tests
+with a shared format and test harness. The test harness is largely contained
+in the `AbstractParserTestCase.php` file, which contains the logic to
+transform the tests themselves into native PHP input and output.
+
+Tests are series of YAML files each containing a map (an object), each entry
+an individual test which is itself a map. Tests have the following keys:
+
+- `input`: The test input as a string, or a map (see below)
+- `output`: The result of the parsing upon success; described 
+    in more detail below
+- `exception`: The exception ID thrown upon failure
+- `type`: An HTTP Content-Type (with or without parameters) for 
+    the document
+- `doc_url`: A fictitious URL where a newsfeed might be located,
+    used for relative URL resolution
+
+The 'input' key along with either 'output' or 'exception' are required for
+all tests. All other keys may or may not be omitted in a test.
+
+The test output is necessarily mangled due to the limits of YAML:
+
+- Any field which should be an absolute URL is written as a string; relative
+    URLs are represented as a sequence with the relative part first, followed
+    by the base that is be applied to it
+- Any collections are represented as sequences of maps
+- Rich text can either be supplied as a string (which represents a Text object
+    with plain-text content) or as a map with any of the properties of the
+    Text class listed
+
+If the test input is a map, it represents a response from an HTTP server,
+with the following keys:
+
+- `status`: The response status code. This is usually omitted
+    and should be assumed to be 200 unless specified
+- `head`: The map of header-field in the response. Each entry 
+    may be a string, or a sequence of strings
+- `body`: The message body as a a string; it may be omitted 
+    if not relevant to the functionality being tested

tests/phpunit.dist.xml

@@ -31,5 +31,8 @@
     <testsuite name="XML">
         <directory>cases/XML</directory>
     </testsuite>
+    <testsuite name="HTTP">
+        <directory>cases/HTTP</directory>
+    </testsuite>
 </testsuites>
 </phpunit>

vendor-bin/phpunit/composer.json

@@ -1,6 +1,8 @@
 {
     "require-dev": {
         "phpunit/phpunit": "^9.0",
-        "symfony/yaml": "^5.0"
+        "symfony/yaml": "^5.0",
+        "guzzlehttp/guzzle": "^6.5",
+        "guzzlehttp/psr7": "^1.6"
     }
 }

vendor-bin/phpunit/composer.lock

@@ -4,7 +4,7 @@
         "Read more about it at https://getcomposer.org/doc/01-basic-usage.md#installing-dependencies",
         "This file is @generated automatically"
     ],
-    "content-hash": "5f6ef85b0137813e2008ed286079c104",
+    "content-hash": "4259aa457f6935c16ad776bc1a3897ea",
     "packages": [],
     "packages-dev": [
         {
@@ -63,6 +63,195 @@
             ],
             "time": "2019-10-21T16:45:58+00:00"
         },
+        {
+            "name": "guzzlehttp/guzzle",
+            "version": "6.5.3",
+            "source": {
+                "type": "git",
+                "url": "https://github.com/guzzle/guzzle.git",
+                "reference": "aab4ebd862aa7d04f01a4b51849d657db56d882e"
+            },
+            "dist": {
+                "type": "zip",
+                "url": "https://api.github.com/repos/guzzle/guzzle/zipball/aab4ebd862aa7d04f01a4b51849d657db56d882e",
+                "reference": "aab4ebd862aa7d04f01a4b51849d657db56d882e",
+                "shasum": ""
+            },
+            "require": {
+                "ext-json": "*",
+                "guzzlehttp/promises": "^1.0",
+                "guzzlehttp/psr7": "^1.6.1",
+                "php": ">=5.5",
+                "symfony/polyfill-intl-idn": "^1.11"
+            },
+            "require-dev": {
+                "ext-curl": "*",
+                "phpunit/phpunit": "^4.8.35 || ^5.7 || ^6.4 || ^7.0",
+                "psr/log": "^1.1"
+            },
+            "suggest": {
+                "psr/log": "Required for using the Log middleware"
+            },
+            "type": "library",
+            "extra": {
+                "branch-alias": {
+                    "dev-master": "6.5-dev"
+                }
+            },
+            "autoload": {
+                "psr-4": {
+                    "GuzzleHttp\\": "src/"
+                },
+                "files": [
+                    "src/functions_include.php"
+                ]
+            },
+            "notification-url": "https://packagist.org/downloads/",
+            "license": [
+                "MIT"
+            ],
+            "authors": [
+                {
+                    "name": "Michael Dowling",
+                    "email": "mtdowling@gmail.com",
+                    "homepage": "https://github.com/mtdowling"
+                }
+            ],
+            "description": "Guzzle is a PHP HTTP client library",
+            "homepage": "http://guzzlephp.org/",
+            "keywords": [
+                "client",
+                "curl",
+                "framework",
+                "http",
+                "http client",
+                "rest",
+                "web service"
+            ],
+            "time": "2020-04-18T10:38:46+00:00"
+        },
+        {
+            "name": "guzzlehttp/promises",
+            "version": "v1.3.1",
+            "source": {
+                "type": "git",
+                "url": "https://github.com/guzzle/promises.git",
+                "reference": "a59da6cf61d80060647ff4d3eb2c03a2bc694646"
+            },
+            "dist": {
+                "type": "zip",
+                "url": "https://api.github.com/repos/guzzle/promises/zipball/a59da6cf61d80060647ff4d3eb2c03a2bc694646",
+                "reference": "a59da6cf61d80060647ff4d3eb2c03a2bc694646",
+                "shasum": ""
+            },
+            "require": {
+                "php": ">=5.5.0"
+            },
+            "require-dev": {
+                "phpunit/phpunit": "^4.0"
+            },
+            "type": "library",
+            "extra": {
+                "branch-alias": {
+                    "dev-master": "1.4-dev"
+                }
+            },
+            "autoload": {
+                "psr-4": {
+                    "GuzzleHttp\\Promise\\": "src/"
+                },
+                "files": [
+                    "src/functions_include.php"
+                ]
+            },
+            "notification-url": "https://packagist.org/downloads/",
+            "license": [
+                "MIT"
+            ],
+            "authors": [
+                {
+                    "name": "Michael Dowling",
+                    "email": "mtdowling@gmail.com",
+                    "homepage": "https://github.com/mtdowling"
+                }
+            ],
+            "description": "Guzzle promises library",
+            "keywords": [
+                "promise"
+            ],
+            "time": "2016-12-20T10:07:11+00:00"
+        },
+        {
+            "name": "guzzlehttp/psr7",
+            "version": "1.6.1",
+            "source": {
+                "type": "git",
+                "url": "https://github.com/guzzle/psr7.git",
+                "reference": "239400de7a173fe9901b9ac7c06497751f00727a"
+            },
+            "dist": {
+                "type": "zip",
+                "url": "https://api.github.com/repos/guzzle/psr7/zipball/239400de7a173fe9901b9ac7c06497751f00727a",
+                "reference": "239400de7a173fe9901b9ac7c06497751f00727a",
+                "shasum": ""
+            },
+            "require": {
+                "php": ">=5.4.0",
+                "psr/http-message": "~1.0",
+                "ralouphie/getallheaders": "^2.0.5 || ^3.0.0"
+            },
+            "provide": {
+                "psr/http-message-implementation": "1.0"
+            },
+            "require-dev": {
+                "ext-zlib": "*",
+                "phpunit/phpunit": "~4.8.36 || ^5.7.27 || ^6.5.8"
+            },
+            "suggest": {
+                "zendframework/zend-httphandlerrunner": "Emit PSR-7 responses"
+            },
+            "type": "library",
+            "extra": {
+                "branch-alias": {
+                    "dev-master": "1.6-dev"
+                }
+            },
+            "autoload": {
+                "psr-4": {
+                    "GuzzleHttp\\Psr7\\": "src/"
+                },
+                "files": [
+                    "src/functions_include.php"
+                ]
+            },
+            "notification-url": "https://packagist.org/downloads/",
+            "license": [
+                "MIT"
+            ],
+            "authors": [
+                {
+                    "name": "Michael Dowling",
+                    "email": "mtdowling@gmail.com",
+                    "homepage": "https://github.com/mtdowling"
+                },
+                {
+                    "name": "Tobias Schultze",
+                    "homepage": "https://github.com/Tobion"
+                }
+            ],
+            "description": "PSR-7 message implementation that also provides common utility methods",
+            "keywords": [
+                "http",
+                "message",
+                "psr-7",
+                "request",
+                "response",
+                "stream",
+                "uri",
+                "url"
+            ],
+            "time": "2019-07-01T23:21:34+00:00"
+        },
         {
             "name": "myclabs/deep-copy",
             "version": "1.9.5",
@@ -825,6 +1014,96 @@
             ],
             "time": "2020-04-03T14:40:04+00:00"
         },
+        {
+            "name": "psr/http-message",
+            "version": "1.0.1",
+            "source": {
+                "type": "git",
+                "url": "https://github.com/php-fig/http-message.git",
+                "reference": "f6561bf28d520154e4b0ec72be95418abe6d9363"
+            },
+            "dist": {
+                "type": "zip",
+                "url": "https://api.github.com/repos/php-fig/http-message/zipball/f6561bf28d520154e4b0ec72be95418abe6d9363",
+                "reference": "f6561bf28d520154e4b0ec72be95418abe6d9363",
+                "shasum": ""
+            },
+            "require": {
+                "php": ">=5.3.0"
+            },
+            "type": "library",
+            "extra": {
+                "branch-alias": {
+                    "dev-master": "1.0.x-dev"
+                }
+            },
+            "autoload": {
+                "psr-4": {
+                    "Psr\\Http\\Message\\": "src/"
+                }
+            },
+            "notification-url": "https://packagist.org/downloads/",
+            "license": [
+                "MIT"
+            ],
+            "authors": [
+                {
+                    "name": "PHP-FIG",
+                    "homepage": "http://www.php-fig.org/"
+                }
+            ],
+            "description": "Common interface for HTTP messages",
+            "homepage": "https://github.com/php-fig/http-message",
+            "keywords": [
+                "http",
+                "http-message",
+                "psr",
+                "psr-7",
+                "request",
+                "response"
+            ],
+            "time": "2016-08-06T14:39:51+00:00"
+        },
+        {
+            "name": "ralouphie/getallheaders",
+            "version": "3.0.3",
+            "source": {
+                "type": "git",
+                "url": "https://github.com/ralouphie/getallheaders.git",
+                "reference": "120b605dfeb996808c31b6477290a714d356e822"
+            },
+            "dist": {
+                "type": "zip",
+                "url": "https://api.github.com/repos/ralouphie/getallheaders/zipball/120b605dfeb996808c31b6477290a714d356e822",
+                "reference": "120b605dfeb996808c31b6477290a714d356e822",
+                "shasum": ""
+            },
+            "require": {
+                "php": ">=5.6"
+            },
+            "require-dev": {
+                "php-coveralls/php-coveralls": "^2.1",
+                "phpunit/phpunit": "^5 || ^6.5"
+            },
+            "type": "library",
+            "autoload": {
+                "files": [
+                    "src/getallheaders.php"
+                ]
+            },
+            "notification-url": "https://packagist.org/downloads/",
+            "license": [
+                "MIT"
+            ],
+            "authors": [
+                {
+                    "name": "Ralph Khattar",
+                    "email": "ralph.khattar@gmail.com"
+                }
+            ],
+            "description": "A polyfill for getallheaders.",
+            "time": "2019-03-08T08:55:37+00:00"
+        },
         {
             "name": "sebastian/code-unit",
             "version": "1.0.0",
@@ -1561,6 +1840,224 @@
             ],
             "time": "2020-02-27T09:26:54+00:00"
         },
+        {
+            "name": "symfony/polyfill-intl-idn",
+            "version": "v1.15.0",
+            "source": {
+                "type": "git",
+                "url": "https://github.com/symfony/polyfill-intl-idn.git",
+                "reference": "47bd6aa45beb1cd7c6a16b7d1810133b728bdfcf"
+            },
+            "dist": {
+                "type": "zip",
+                "url": "https://api.github.com/repos/symfony/polyfill-intl-idn/zipball/47bd6aa45beb1cd7c6a16b7d1810133b728bdfcf",
+                "reference": "47bd6aa45beb1cd7c6a16b7d1810133b728bdfcf",
+                "shasum": ""
+            },
+            "require": {
+                "php": ">=5.3.3",
+                "symfony/polyfill-mbstring": "^1.3",
+                "symfony/polyfill-php72": "^1.10"
+            },
+            "suggest": {
+                "ext-intl": "For best performance"
+            },
+            "type": "library",
+            "extra": {
+                "branch-alias": {
+                    "dev-master": "1.15-dev"
+                }
+            },
+            "autoload": {
+                "psr-4": {
+                    "Symfony\\Polyfill\\Intl\\Idn\\": ""
+                },
+                "files": [
+                    "bootstrap.php"
+                ]
+            },
+            "notification-url": "https://packagist.org/downloads/",
+            "license": [
+                "MIT"
+            ],
+            "authors": [
+                {
+                    "name": "Laurent Bassin",
+                    "email": "laurent@bassin.info"
+                },
+                {
+                    "name": "Symfony Community",
+                    "homepage": "https://symfony.com/contributors"
+                }
+            ],
+            "description": "Symfony polyfill for intl's idn_to_ascii and idn_to_utf8 functions",
+            "homepage": "https://symfony.com",
+            "keywords": [
+                "compatibility",
+                "idn",
+                "intl",
+                "polyfill",
+                "portable",
+                "shim"
+            ],
+            "funding": [
+                {
+                    "url": "https://symfony.com/sponsor",
+                    "type": "custom"
+                },
+                {
+                    "url": "https://github.com/fabpot",
+                    "type": "github"
+                },
+                {
+                    "url": "https://tidelift.com/funding/github/packagist/symfony/symfony",
+                    "type": "tidelift"
+                }
+            ],
+            "time": "2020-03-09T19:04:49+00:00"
+        },
+        {
+            "name": "symfony/polyfill-mbstring",
+            "version": "v1.15.0",
+            "source": {
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