dillard
bc5a589ed8
TreeWalker walks one or more roots in a stable segment-wise order with exclusions and resumes after a cursor; ParentCursor merge-joins the previous snapshot in the same order. BackupRun no longer keeps a file list or the parent's entries in memory or in its state.
50 lines
1.6 KiB
PHP
50 lines
1.6 KiB
PHP
<?php
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declare(strict_types=1);
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namespace OCA\NgBackup\Tests\Unit\Job;
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use OCA\NgBackup\Job\TreeWalker;
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use OCA\NgBackup\Tests\Unit\TempDirTrait;
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use PHPUnit\Framework\TestCase;
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class TreeWalkerTest extends TestCase {
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use TempDirTrait;
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private function tree(): string {
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$d = $this->tempDir();
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foreach (['a.txt', 'a/x', 'a/b/y', 'a-b', 'b', 'skip/me', 'Z'] as $f) {
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@mkdir(dirname("$d/$f"), 0700, true);
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file_put_contents("$d/$f", $f);
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}
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return $d;
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}
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public function testOrderMatchesCompare(): void {
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$paths = array_keys(iterator_to_array((new TreeWalker(['' => $this->tree()]))->walk()));
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$sorted = $paths;
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usort($sorted, [TreeWalker::class, 'compare']);
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$this->assertSame($sorted, $paths);
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$this->assertSame(['Z', 'a', 'a-b', 'a.txt', 'b', 'skip'], array_values(array_unique(array_map(fn ($p) => explode('/', $p)[0], $paths))));
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}
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public function testResumeAfterCursorYieldsTheRest(): void {
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$w = new TreeWalker(['' => $this->tree()]);
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$all = array_keys(iterator_to_array($w->walk()));
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foreach ($all as $i => $cursor) {
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$this->assertSame(array_slice($all, $i + 1), array_keys(iterator_to_array($w->walk($cursor))), "after $cursor");
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}
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}
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public function testExcludeAndMultipleRoots(): void {
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$d = $this->tree();
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$c = $this->tempDir();
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file_put_contents("$c/config.php", '<?php');
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$paths = array_keys(iterator_to_array((new TreeWalker(['config' => $c, 'data' => $d], ['data/skip', 'data/b']))->walk()));
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$this->assertContains('config/config.php', $paths);
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$this->assertContains('data/a/b/y', $paths);
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$this->assertNotContains('data/skip/me', $paths);
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$this->assertNotContains('data/b', $paths);
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}
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}
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