/php-matcher

PHP Matcher allows you to use matching assertions like json comparison, when some parts of response are something you cannot predict

Primary LanguagePHPMIT LicenseMIT

PHP Matcher

PHP Matcher lets You assert like a gangster in Your test cases, where response can be something you cannot predict

Scrutinizer Code Quality

  • Build Status - master (3.0.*)
  • Build Status - 2.2.*
  • Build Status - 2.1.*
  • Build Status - 2.0.*

Readme for master (3.0) version
Readme for 2.2 version Readme for 2.1 version Readme for 2.0 version

Installation

Require new dev dependency using composer (assuming it's installed globally):

composer require --dev "coduo/php-matcher"

Basic usage

Using facade

<?php

use Coduo\PHPMatcher\PHPMatcher;

if (!PHPMatcher::match("lorem ipsum dolor", "@string@", $error)) { 
    echo $error; // in case of error message is set on $error variable via reference
}

Using Factory

<?php

use Coduo\PHPMatcher\Factory\SimpleFactory;

$factory = new SimpleFactory();
$matcher = $factory->createMatcher();

$match = $matcher->match("lorem ipsum dolor", "@string@");
// $match === true
$matcher->getError(); // returns null or error message

Available patterns

  • @string@
  • @integer@
  • @number@
  • @double@
  • @boolean@
  • @array@
  • @...@ - unbounded array
  • @null@
  • @*@ || @wildcard@
  • expr(expression)
  • @uuid@

Available pattern expanders

  • startsWith($stringBeginning, $ignoreCase = false)
  • endsWith($stringEnding, $ignoreCase = false)
  • contains($string, $ignoreCase = false)
  • isDateTime()
  • isEmail()
  • isUrl()
  • isEmpty()
  • isNotEmpty()
  • lowerThan($boundry)
  • greaterThan($boundry)
  • inArray($value)
  • oneOf(...$expanders) - example usage "@string@.oneOf(contains('foo'), contains('bar'), contains('baz'))"
  • matchRegex($regex) - example usage "@string@.matchRegex('/^lorem.+/')"
  • optional() - work's only with ArrayMatcher, JsonMatcher and XmlMatcher

Example usage

Scalar matching

<?php

use Coduo\PHPMatcher\Factory\SimpleFactory;

$factory = new SimpleFactory();
$matcher = $factory->createMatcher();

$matcher->match(1, 1);
$matcher->match('string', 'string')

String matching

<?php

use Coduo\PHPMatcher\Factory\SimpleFactory;

$factory = new SimpleFactory();
$matcher = $factory->createMatcher();

$matcher->match('Norbert', '@string@');
$matcher->match("lorem ipsum dolor", "@string@.startsWith('lorem').contains('ipsum').endsWith('dolor')")

Integer matching

<?php

use Coduo\PHPMatcher\Factory\SimpleFactory;

$factory = new SimpleFactory();
$matcher = $factory->createMatcher();

$matcher->match(100, '@integer@');
$matcher->match(100, '@integer@.lowerThan(200).greaterThan(10)');

Number matching

<?php

use Coduo\PHPMatcher\Factory\SimpleFactory;

$factory = new SimpleFactory();
$matcher = $factory->createMatcher();

$matcher->match(100, '@number@');
$matcher->match('200', '@number@');
$matcher->match(1.25, '@number@');
$matcher->match('1.25', '@number@');
$matcher->match(0b10100111001, '@number@');

Double matching

<?php

use Coduo\PHPMatcher\Factory\SimpleFactory;

$factory = new SimpleFactory();
$matcher = $factory->createMatcher();

$matcher->match(10.1, "@double@");
$matcher->match(10.1, "@double@.lowerThan(50.12).greaterThan(10)");

Boolean matching

<?php

use Coduo\PHPMatcher\Factory\SimpleFactory;

$factory = new SimpleFactory();
$matcher = $factory->createMatcher();

$matcher->match(true, "@boolean@");
$matcher->match(false, "@boolean@");

Wildcard matching

<?php

use Coduo\PHPMatcher\Factory\SimpleFactory;

$factory = new SimpleFactory();
$matcher = $factory->createMatcher();

$matcher->match("@integer@", "@*@"),
$matcher->match("foobar", "@*@"),
$matcher->match(true, "@*@"),
$matcher->match(6.66, "@*@"),
$matcher->match(array("bar"), "@wildcard@"),
$matcher->match(new \stdClass, "@wildcard@"),

Expression matching

<?php

use Coduo\PHPMatcher\Factory\SimpleFactory;

$factory = new SimpleFactory();
$matcher = $factory->createMatcher();

$matcher->match(new \DateTime('2014-04-01'), "expr(value.format('Y-m-d') == '2014-04-01'");
$matcher->match("Norbert", "expr(value === 'Norbert')");

UUID matching

<?php

use Coduo\PHPMatcher\Factory\SimpleFactory;

$factory = new SimpleFactory();
$matcher = $factory->createMatcher();

$matcher->match('9f4db639-0e87-4367-9beb-d64e3f42ae18', '@uuid@');

Array matching

<?php

use Coduo\PHPMatcher\Factory\SimpleFactory;

$factory = new SimpleFactory();
$matcher = $factory->createMatcher();

$matcher->match(
   array(
      'users' => array(
          array(
              'id' => 1,
              'firstName' => 'Norbert',
              'lastName' => 'Orzechowicz',
              'roles' => array('ROLE_USER'),
              'position' => 'Developer',
          ),
          array(
              'id' => 2,
              'firstName' => 'Michał',
              'lastName' => 'Dąbrowski',
              'roles' => array('ROLE_USER')
          ),
          array(
              'id' => 3,
              'firstName' => 'Johnny',
              'lastName' => 'DąbrowsBravoki',
              'roles' => array('ROLE_HANDSOME_GUY')
          )
      ),
      true,
      6.66
  ),
   array(
      'users' => array(
          array(
              'id' => '@integer@.greaterThan(0)',
              'firstName' => '@string@',
              'lastName' => 'Orzechowicz',
              'roles' => '@array@',
              'position' => '@string@.optional()'
          ),
          array(
              'id' => '@integer@',
              'firstName' => '@string@',
              'lastName' => 'Dąbrowski',
              'roles' => '@array@'
          ),
          '@...@'
      ),
      '@boolean@',
      '@double@'
  )  
)

Json matching

<?php

use Coduo\PHPMatcher\Factory\SimpleFactory;

$factory = new SimpleFactory();
$matcher = $factory->createMatcher();

$matcher->match(
  '{
    "users":[
      {
        "firstName": "Norbert",
        "lastName": "Orzechowicz",
        "created": "2014-01-01",
        "roles":["ROLE_USER", "ROLE_DEVELOPER"]}
      ]
  }',
  '{
    "users":[
      {
        "firstName": @string@,
        "lastName": @string@,
        "created": "@string@.isDateTime()",
        "roles": @array@,
        "posiiton": "@string@.optional()"
      }
    ]
  }'
)

Xml matching

<?php

use Coduo\PHPMatcher\Factory\SimpleFactory;

$factory = new SimpleFactory();
$matcher = $factory->createMatcher();

$matcher->match(<<<XML
<?xml version="1.0"?>
<soap:Envelope
xmlns:soap="http://www.w3.org/2001/12/soap-envelope"
soap:encodingStyle="http://www.w3.org/2001/12/soap-encoding">

<soap:Body xmlns:m="http://www.example.org/stock">
  <m:GetStockPrice>
    <m:StockName>IBM</m:StockName>
    <m:StockValue>Any Value</m:StockValue>
  </m:GetStockPrice>
</soap:Body>

</soap:Envelope>
XML
                ,
                <<<XML
<?xml version="1.0"?>
<soap:Envelope
    xmlns:soap="@string@"
            soap:encodingStyle="@string@">

<soap:Body xmlns:m="@string@">
  <m:GetStockPrice>
    <m:StockName>@string@</m:StockName>
    <m:StockValue>@string@</m:StockValue>
    <m:StockQty>@integer@.optional()</m:StockQty>
  </m:GetStockPrice>
</soap:Body>

</soap:Envelope>
XML
        );

Example scenario for api in behat using mongo.

@profile, @user
Feature: Listing user toys

  As a user
  I want to list my toys

  Background:
    Given I send and accept JSON

  Scenario: Listing toys
    Given the following users exist:
      | firstName     | lastName     |
      | Chuck         | Norris       | 

    And the following toys user "Chuck Norris" exist:
      | name            |
      | Barbie          |
      | GI Joe          |
      | Optimus Prime   |

    When I set valid authorization code oauth header for user "Chuck Norris"
    And I send a GET request on "/api/toys"
    Then the response status code should be 200
    And the JSON response should match:
    """
      [
        {
          "id": @string@,
          "name": "Barbie",
          "_links: "@*@"
        },
        {
          "id": @string@,
          "name": "GI Joe",
          "_links": "@*@"
        },
        {
          "id": @string@,
          "name": "Optimus Prime",
          "_links": "@*@"
        }
      ]
    """

PHPUnit integration

The assertMatchesPattern() is a handy assertion that matches values in PHPUnit tests. To use it either include the Coduo\PHPMatcher\PHPUnit\PHPMatcherAssertions trait, or extend the Coduo\PHPMatcher\PHPUnit\PHPMatcherTestCase:

namespace Coduo\PHPMatcher\Tests\PHPUnit;

use Coduo\PHPMatcher\PHPUnit\PHPMatcherAssertions;

class PHPMatcherAssertionsTest extends \PHPUnit_Framework_TestCase
{
    use PHPMatcherAssertions;

    public function test_it_asserts_if_a_value_matches_the_pattern()
    {
        $this->assertMatchesPattern('@string@', 'foo');
    }
}

The matchesPattern() method can be used in PHPUnit stubs or mocks:

$mock = $this->getMock(Foo::class);
$mock->method('bar')
    ->with($this->matchesPattern('@string@'))
    ->willReturn('foo');

License

This library is distributed under the MIT license. Please see the LICENSE file.

Credits

This lib was inspired by JSON Expressions gem && Behat RestExtension