AvroValidatorTest.php

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<?php
class AvroValidatorTest extends PHPUnit_Framework_TestCase {
    public function setUp() {
        if ( !class_exists( 'AvroSchema' ) ) {
            $this->markTestSkipped( 'Avro is required to run the AvroValidatorTest' );
        }
        parent::setUp();
    }
 
    public function getErrorsProvider() {
        $stringSchema = AvroSchema::parse( json_encode( [ 'type' => 'string' ] ) );
        $stringArraySchema = AvroSchema::parse( json_encode( [
            'type' => 'array',
            'items' => 'string',
        ] ) );
        $recordSchema = AvroSchema::parse( json_encode( [
            'type' => 'record',
            'name' => 'ut',
            'fields' => [
                [ 'name' => 'id', 'type' => 'int', 'required' => true ],
            ],
        ] ) );
        $enumSchema = AvroSchema::parse( json_encode( [
            'type' => 'record',
            'name' => 'ut',
            'fields' => [
                [ 'name' => 'count', 'type' => [ 'int', 'null' ] ],
            ],
        ] ) );
 
        return [
            [
                'No errors with a simple string serialization',
                $stringSchema, 'foobar', [],
            ],
 
            [
                'Cannot serialize integer into string',
                $stringSchema, 5, 'Expected string, but recieved integer',
            ],
 
            [
                'Cannot serialize array into string',
                $stringSchema, [], 'Expected string, but recieved array',
            ],
 
            [
                'allows and ignores extra fields',
                $recordSchema, [ 'id' => 4, 'foo' => 'bar' ], [],
            ],
 
            [
                'detects missing fields',
                $recordSchema, [], [ 'id' => 'Missing expected field' ],
            ],
 
            [
                'handles first element in enum',
                $enumSchema, [ 'count' => 4 ], [],
            ],
 
            [
                'handles second element in enum',
                $enumSchema, [ 'count' => null ], [],
            ],
 
            [
                'rejects element not in union',
                $enumSchema, [ 'count' => 'invalid' ], [ 'count' => [
                    'Expected any one of these to be true',
                    [
                        'Expected integer, but recieved string',
                        'Expected null, but recieved string',
                    ]
                ] ]
            ],
            [
                'Empty array is accepted',
                $stringArraySchema, [], []
            ],
            [
                'correct array element accepted',
                $stringArraySchema, [ 'fizzbuzz' ], []
            ],
            [
                'incorrect array element rejected',
                $stringArraySchema, [ '12', 34 ], [ 'Expected string, but recieved integer' ]
            ],
        ];
    }
 
    public function testGetErrors( $message, $schema, $datum, $expected ) {
        $this->assertEquals(
            $expected,
            AvroValidator::getErrors( $schema, $datum ),
            $message
        );
    }
}