<?php

namespace ActivityPhpTest\Server;

use ActivityPhp\Server;
use ActivityPhp\Server\Http\WebFinger;
use Exception;
use PHPUnit\Framework\TestCase;

class WebFingerTest extends TestCase
{
    /**
     * Valid scenarios provider
     */
    public function getSuccessScenarios()
    {
        $sample = [
            'subject' => 'acct:bob@localhost:8000',
            'aliases' => [
                'http//localhost:8000/accounts/bob'
            ],
            'links' => [
                [
                    'rel' => 'self',
                    'type' => 'application/activity+json',
                    'href' => 'http://localhost:8000/accounts/bob',
                ]
            ]
        ];

        # handle / method / expected
        return [
        ['bob@localhost:8000', 'toArray', $sample                           ], # toArray()
        ['bob@localhost:8000', 'getProfileId', $sample['links'][0]['href']  ], # getProfileId()
        ['bob@localhost:8000', 'getHandle', substr($sample['subject'], 5)   ], # getHandle()
        ['bob@localhost:8000', 'getSubject', $sample['subject']             ], # getSubject()
        ['bob@localhost:8000', 'getAliases', $sample['aliases']             ], # getAliases()
        ['bob@localhost:8000', 'getLinks', $sample['links']                 ], # getLinks()
        ['http://localhost:8000/accounts/bob', 'toArray', $sample           ], # toArray() with an ActivityPhp profile id
        ];
    }

    /**
     * Exception scenarios provider
     */
    public function getFailingScenarios()
    {
        $sample = [
            'subject' => 'acct:bob@localhost:8000',
            'aliases' => [
                'http//localhost:8000/accounts/bob'
            ],
            'links' => [
                [
                    'rel' => 'self',
                    'type' => 'application/activity+json',
                    'href' => 'http://localhost:8000/accounts/bob',
                ]
            ]
        ];
        #
        return [
        ['bob@localhost:9000', 'toArray', $sample                           ], # Bad host with an Handle
        ['bob', 'toArray', $sample                                             ], # Malformed handle
        ['http://localhost:9000/accounts/bob', 'toArray', $sample           ], # Bad port with an AS id
        ['http//localhost:8000/accounts/bob', 'toArray', $sample            ], # Bad scheme
        ['bob-subject-array@localhost:8000', 'toArray', $sample             ], # Bad response from server (Subject is an array)
        ['bob-malformed-aliases@localhost:8000', 'toArray', $sample         ], # Bad response from server (Aliases must be string[])
        ['bob-missing-links@localhost:8000', 'toArray', $sample             ], # Bad response from server (links key is not defined)
        ['bob-links-arrays@localhost:8000', 'toArray', $sample              ], # Bad response from server (links is an array of arrays)
        ['bob-links-missing-rel@localhost:8000', 'toArray', $sample         ], # Bad response from server (links key must contain a rel key)
        ['bob-404-profile@localhost:8000', 'toArray', $sample               ], # Bad response from server (404 Not found)

        ['http://localhost:8000/accounts/empty-profile', 'toArray', $sample ], # Bad response from server (ActivityPhp profile is empty)
        ['http://localhost:8000/accounts/missing-property', 'toArray', $sample ], # Bad response from server (Missing preferredUsername)
        ];
    }

    /**
     * Check that all response are valid
     *
     * @dataProvider getSuccessScenarios
     */
    public function testSuccessScenarios($handle, $method, $expected)
    {
        $server = new Server([
            'instance'  => [
                'debug' => true,
            ],
            'logger'    => [
               'driver' => '\Psr\Log\NullLogger'
            ],
            'cache' => [
                'enabled' => false,
            ]
        ]);

        $webfinger = $server->actor($handle)->webfinger();

        // Assert
        $this->assertEquals(
            $expected,
            $webfinger->$method()
        );
    }

    /**
     * Check that all tests are failing
     *
     * @dataProvider      getFailingScenarios
     */
    public function testFailingScenarios($handle, $method, $expected)
    {
        $this->expectException(Exception::class);

        $server = new Server([
            'instance'  => [
                'debug' => true,
            ],
            'logger'    => [
               'driver' => '\Psr\Log\NullLogger'
            ],
            'cache' => [
                'enabled' => false,
            ]
        ]);


        $webfinger = $server->actor($handle)->webfinger();
    }

    /**
     * Scenarios which throw an Exception
     */
    public function getFailingInstanceScenarios()
    {
        # data
        return [
        [[
        'aliases' => ['http//localhost:8000/accounts/bob'],
        'links' => [
            [
                'rel' => 'self',
                'type' => 'application/activity+json',
                'href' => 'http://localhost:8000/accounts/bob',
            ]
        ]
        ]                                                                  ], # Missing key: subject
        [[
        'subject' => 'acct:bob@localhost:8000',
        'links' => [
        [
            'rel' => 'self',
            'type' => 'application/activity+json',
            'href' => 'http://localhost:8000/accounts/bob',
        ]
        ]
        ]                                                                      ], # Missing key: aliases
        [[
        'subject' => 'acct:bob@localhost:8000',
        'aliases' => [
        'http//localhost:8000/accounts/bob'
        ],
        ]                                                                      ], # Missing key: links
        [[
        'subject' => ['acct:bob@localhost:8000'],
        'aliases' => [
        'http//localhost:8000/accounts/bob'
        ],
        'links' => [
        [
            'rel' => 'self',
            'type' => 'application/activity+json',
            'href' => 'http://localhost:8000/accounts/bob',
        ]
        ]
        ]                                                                      ], # Malformed subject
        [[
        'subject' => 'acct:bob@localhost:8000',
        'aliases' => [
        ['http//localhost:8000/accounts/bob']
        ],
        'links' => [
        [
            'rel' => 'self',
            'type' => 'application/activity+json',
            'href' => 'http://localhost:8000/accounts/bob',
        ]
        ]
        ]                                                                      ], # Malformed aliases
        [[
        'subject' => 'acct:bob@localhost:8000',
        'aliases' => [
        'http//localhost:8000/accounts/bob'
        ],
        'links' => [
         'http://localhost:8000/accounts/bob',
        ]
        ]                                                                      ], # Malformed links: subelement is not an array
        [[
        'subject' => 'acct:bob@localhost:8000',
        'aliases' => [
        'http//localhost:8000/accounts/bob'
        ],
        'links' => [
        [
            'type' => 'application/activity+json',
            'href' => 'http://localhost:8000/accounts/bob',
        ]
        ]
        ]                                                                      ], # Malformed links: subelement does not have a rel key

        ];
    }

    /**
     * Check that all tests are failing
     *
     * @dataProvider      getFailingInstanceScenarios
     */
    public function testFailingInstanceScenarios($data)
    {
        $this->expectException(Exception::class);

        $webfinger = new WebFinger($data);
    }

    /**
     * Get profile id can return null if webfinger is used for an
     * implementation that does not support ActivityPhp
     */
    public function testEmptyProfileId()
    {
        $data = [
            'subject' => 'acct:bob@localhost:8000',
            'aliases' => [
                'http//localhost:8000/accounts/bob'
            ],
            'links' => [
                [
                    'rel' => 'self',
                    'type' => 'application/ld+json',
                    'href' => 'http://localhost:8000/accounts/bob',
                ]
            ]
        ];

        $webfinger = new WebFinger($data);

        // Assert
        $this->assertEquals(
            null,
            $webfinger->getProfileId()
        );
    }
}
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