<?php
declare(strict_types=1);
use Fuse\Fuse;
beforeEach(function () {
$books = require __DIR__ . '/fixtures/books.php';
$this->books = $books;
$this->fuseOptions = [
'useExtendedSearch' => true,
'includeMatches' => true,
'includeScore' => true,
'threshold' => 0.3,
'keys' => ['title', 'author.firstName', 'author.lastName'],
];
$this->idx = function (array $results): array {
return array_map(fn(array $result) => $result['refIndex'], $results);
};
$this->idxMap = function (Fuse $fuse): array {
return array_map(fn(array $item) => [$item['v'], $item['i']], $fuse->getIndex()->records);
};
});
it('creates index and ensures properties exist', function () {
$myIndex = Fuse::createIndex($this->fuseOptions['keys'], $this->books);
expect($myIndex->records)->not->toBeNull();
expect($myIndex->keys)->not->toBeNull();
});
it('creates index and ensures keys can be created with objects', function () {
$myIndex = Fuse::createIndex(
[['name' => 'title'], ['name' => 'author.firstName']],
$this->books,
);
expect($myIndex->records)->not->toBeNull();
expect($myIndex->keys)->not->toBeNull();
});
it('creates index and ensures keys can be created with getFn', function () {
$myIndex = Fuse::createIndex(
[
['name' => 'title', 'getFn' => fn($book) => $book['title']],
['name' => 'author.firstName', 'getFn' => fn($book) => $book['author']['firstName']],
],
$this->books,
);
$data = json_decode(json_encode($myIndex), true);
expect($data['records'])->not->toBeNull();
expect($data['keys'])->not->toBeNull();
});
it('parses index, exports it, and initializes Fuse', function () {
$myIndex = Fuse::createIndex($this->fuseOptions['keys'], $this->books);
expect($myIndex->size())->toBe(count($this->books));
$data = json_decode(json_encode($myIndex), true);
expect($data['records'])->not->toBeNull();
expect($data['keys'])->not->toBeNull();
$parsedIndex = Fuse::parseIndex($data);
expect($parsedIndex->size())->toBe(count($this->books));
});
it('searches parsed index using getFn', function () {
$fuse = new Fuse($this->books, [
'useExtendedSearch' => true,
'includeMatches' => true,
'includeScore' => true,
'threshold' => 0.3,
'keys' => [
['name' => 'bookTitle', 'getFn' => fn($book) => $book['title']],
['name' => 'authorName', 'getFn' => fn($book) => $book['author']['firstName']],
],
]);
$result = $fuse->search(['bookTitle' => 'old man']);
expect($result)->toHaveCount(1);
expect(($this->idx)($result))->toContain(0);
});
it('instantiates Fuse with an index', function () {
$myIndex = Fuse::createIndex($this->fuseOptions['keys'], $this->books);
$fuse = new Fuse($this->books, $this->fuseOptions, $myIndex);
$result = $fuse->search(['title' => 'old man']);
expect($result)->toHaveCount(1);
expect(($this->idx)($result))->toContain(0);
expect($result[0]['matches'][0]['indices'])->toContain([0, 2], [4, 6]);
});
it('adds an object to the index', function () {
$fuse = new Fuse($this->books, $this->fuseOptions);
$fuse->add(['title' => 'book', 'author' => ['firstName' => 'Kiro', 'lastName' => 'Risk']]);
$result = $fuse->search('kiro');
expect($result)->toHaveCount(1);
expect(($this->idx)($result))->toContain(count($this->books));
});
it('adds a string to the index', function () {
$fuse = new Fuse(['apple', 'orange'], ['includeScore' => true]);
$fuse->add('banana');
$result = $fuse->search('banana');
expect($result)->toHaveCount(1);
expect(($this->idx)($result))->toContain(2);
});
it('removes a string from the index', function () {
$fuse = new Fuse(['apple', 'orange', 'banana', 'pear']);
expect($fuse->getIndex()->size())->toBe(4);
expect(($this->idxMap)($fuse))->toContain(
['apple', 0],
['orange', 1],
['banana', 2],
['pear', 3],
);
$fuse->removeAt(1);
expect($fuse->getIndex()->size())->toBe(3);
expect(($this->idxMap)($fuse))->toContain(['apple', 0], ['banana', 1], ['pear', 2]);
$results = $fuse->remove(fn($doc) => $doc === 'banana' || $doc === 'pear');
expect($results)->toHaveCount(2);
expect($fuse->getIndex()->size())->toBe(1);
$fuseReflection = new ReflectionObject($fuse);
$docsProperty = $fuseReflection->getProperty('docs');
$docsProperty->setAccessible(true);
expect($docsProperty->getValue($fuse))->toHaveCount(1);
});
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