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<?php
namespace Breyta\Test\Migrations;
use Breyta\Migrations;
use Breyta\Test\TestCase;
use Mockery as m;
class LocatingMigrationsTest extends TestCase
{
protected $pdo;
protected function setUp()
{
parent::setUp();
$this->pdo = m::mock(\PDO::class);
}
/** @test */
public function returnsAStatusObject()
{
$migrations = new Migrations($this->pdo, __DIR__ . '/../Example');
$status = $migrations->getStatus();
self::assertObjectHasAttribute('migrations', $status);
self::assertObjectHasAttribute('count', $status);
}
/** @test */
public function findsMigrationsInTheGivenPath()
{
$migrations = new Migrations($this->pdo, __DIR__ . '/../Example');
$status = $migrations->getStatus();
self::assertContains((object)[
'file' => 'CreateAnimalsTable.php',
'status' => 'new',
], $status->migrations, '', false, false);
}
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/** @test */
public function findsMigrationsInSubFolders()
{
$migrations = new Migrations($this->pdo, __DIR__ . '/../Example');
$status = $migrations->getStatus();
self::assertContains((object)[
'file' => 'Grouped/2018-11-22T22-59-59Z_FooBar.php',
'status' => 'new',
], $status->migrations, '', false, false);
}
/** @test */
public function filtersFilesWithoutClasses()
{
$migrations = new Migrations($this->pdo, __DIR__ . '/../Example');
$status = $migrations->getStatus();
self::assertNotContains((object)[
'file' => 'EmptyFile.php',
'status' => 'new',
], $status->migrations, '', false, false);
}
/** @test */
public function filtersClassesThatNotExtendAbstractMigration()
{
$migrations = new Migrations($this->pdo, __DIR__ . '/../Example');
$status = $migrations->getStatus();
self::assertNotContains((object)[
'file' => 'NoMigration.php',
'status' => 'new',
], $status->migrations, '', false, false);
}
/** @test */
public function ordersMigrations()
{
$expectedOrder = [
'@breyta/CreateMigrationTable.php', // always first
'Grouped/Anomaly.php', // migrations without timestamps first in alphabetical order
'CreateAnimalsTable.php', // sub folders do not change the order
'Grouped/FamilyTable.php',
'Grouped/2018-11-22T22-59-59Z_FooBar.php', // then by timestamp
'2018-11-22T23-15-31Z_FooBaz.php',
'Grouped/2018-11-22T23-59-50Z_Bar.php', // in alphabetical order when equal
'Grouped/2018-11-22T23-59-50Z_Foo.php',
];
$migrations = new Migrations($this->pdo, __DIR__ . '/../Example');
$status = $migrations->getStatus();
// pluck file names
$migrationFiles = array_map(function ($migration) {
return $migration->file;
}, $status->migrations);
// filter other migrations that might get added to this folder
$migrationFiles = array_filter($migrationFiles, function ($file) use ($expectedOrder) {
return in_array($file, $expectedOrder);
});
self::assertSame($expectedOrder, $migrationFiles);
}
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/** @test */
public function throwsWhenTheFolderDoesNotExist()
{
self::expectException(\InvalidArgumentException::class);
self::expectExceptionMessage('The path to migrations is not valid');
$migrations = new Migrations(m::mock(\PDO::class), '/any/non-existing/path');
}
/** @test */
public function throwsWhenTheGivenPathIsAFile()
{
self::expectException(\InvalidArgumentException::class);
self::expectExceptionMessage('The path to migrations is not valid');
$migrations = new Migrations(m::mock(\PDO::class), __FILE__);
}
/** @test */
public function throwsWhenTheGivenPathIsASymLinkToAFile()
{
if (file_exists('/tmp/symlink')) {
unlink('/tmp/symlink');
}
if (!@symlink(__FILE__, '/tmp/symlink')) {
$this->markTestSkipped('Could not create a symlink');
return;
}
self::expectException(\InvalidArgumentException::class);
self::expectExceptionMessage('The path to migrations is not valid');
$migrations = new Migrations(m::mock(\PDO::class), '/tmp/symlink');
}
/** @test */
public function allowsSymLinksToADirectory()
{
if (file_exists('/tmp/symlink')) {
unlink('/tmp/symlink');
}
if (!@symlink(__DIR__, '/tmp/symlink')) {
$this->markTestSkipped('Could not create a symlink');
return;
}
$migrations = new Migrations(m::mock(\PDO::class), '/tmp/symlink');
self::assertInstanceOf(Migrations::class, $migrations);
}
}