Dcat-Admin/tests/InteractsWithDatabase.php

<?php

namespace Tests;

trait InteractsWithDatabase
{
    /**
     * Assert that a given where condition exists in the database.
     *
     * @param  string  $table
     * @param  array  $data
     * @param  string  $connection
     * @return $this
     */
    protected function seeInDatabase($table, array $data, $connection = null)
    {
        $database = $this->app->make('db');

        $connection = $connection ?: $database->getDefaultConnection();

        $count = $database->connection($connection)->table($table)->where($data)->count();

        $this->assertGreaterThan(0, $count, sprintf(
            'Unable to find row in database table [%s] that matched attributes [%s].', $table, json_encode($data)
        ));

        return $this;
    }

    /**
     * Assert that a given where condition does not exist in the database.
     *
     * @param  string  $table
     * @param  array  $data
     * @param  string  $connection
     * @return $this
     */
    protected function missingFromDatabase($table, array $data, $connection = null)
    {
        return $this->notSeeInDatabase($table, $data, $connection);
    }

    /**
     * Assert that a given where condition does not exist in the database.
     *
     * @param  string  $table
     * @param  array  $data
     * @param  string  $connection
     * @return $this
     */
    protected function dontSeeInDatabase($table, array $data, $connection = null)
    {
        return $this->notSeeInDatabase($table, $data, $connection);
    }

    /**
     * Assert that a given where condition does not exist in the database.
     *
     * @param  string  $table
     * @param  array  $data
     * @param  string  $connection
     * @return $this
     */
    protected function notSeeInDatabase($table, array $data, $connection = null)
    {
        $database = $this->app->make('db');

        $connection = $connection ?: $database->getDefaultConnection();

        $count = $database->connection($connection)->table($table)->where($data)->count();

        $this->assertEquals(0, $count, sprintf(
            'Found unexpected records in database table [%s] that matched attributes [%s].', $table, json_encode($data)
        ));

        return $this;
    }

    /**
     * Seed a given database connection.
     *
     * @param  string  $class
     * @return void
     */
    public function seed($class = 'DatabaseSeeder')
    {
        $this->artisan('db:seed', ['--class' => $class]);
    }
}