packages/deriver/tests/Unit/Deriver/Evaluator/Scope/FrameTest.php

1<?php
2
3declare (strict_types=1);
4
5namespace Tests\Unit\Deriver\Evaluator\Scope;
6
7use Deriver\Deriver\Contributions;
8use Deriver\Deriver\DeriverConfig;
9use Deriver\Deriver\Evaluator\Call\Evaluators;
10use Deriver\Deriver\Evaluator\Call\Registrations;
11use Deriver\Deriver\Evaluator\Evaluator;
12use Deriver\Deriver\Evaluator\EvaluatorConfig;
13use Deriver\Deriver\Evaluator\Index\DefinitionIndex;
14use Deriver\Deriver\Evaluator\Request\Budget;
15use Deriver\Deriver\Evaluator\Scope\Context;
16use Deriver\Deriver\Evaluator\Scope\Frame;
17use Deriver\Deriver\Evaluator\TargetProfile;
18use Deriver\Deriver\Evaluator\Term;
19use Deriver\Deriver\Lowerer\Declaration\Index;
20use Deriver\Deriver\MicroEvaluatorConversion;
21use Deriver\Deriver\Parser\Node\File;
22use Deriver\Deriver\Parser\Parser;
23use Deriver\Deriver\Parser\ParserConfig;
24use Deriver\Deriver\Providers\ProviderExpansion;
25use Deriver\Deriver\Resolver\Resolver;
26use Deriver\Deriver\Sources\Path;
27use Deriver\Deriver\Sources\Source;
28use Deriver\Deriver\Sources\Sources;
29use PHPUnit\Framework\Attributes\CoversNothing;
30use PHPUnit\Framework\TestCase;
31
32#[CoversNothing]
33final class FrameTest extends TestCase
34{
35    public function testIterationRetainsTheOriginalFrameAndSelectsDistinctDefinitionVersions(): void
36    {
37        $source = 'function target($x){return $x+2;}';
38        $configuration = new DeriverConfig();
39        $budget = new Budget();
40        $contributions = new Contributions();
41        $target = new TargetProfile($configuration->phpVersion, $configuration->integerBits, $configuration->floatPrecision);
42        $providers = new ProviderExpansion(new Sources([new Source('candidate.php', '<?php ' . $source)]), array_map(Term::fromNative(...), $configuration->environment), $contributions);
43        $contributions1 = $providers->contributions;
44        $evaluators = new Evaluators(new TargetProfile($configuration->phpVersion, $configuration->integerBits, $configuration->floatPrecision), new Registrations($contributions1->evaluators, $contributions1->providers, $contributions1->domains, $contributions1->intrinsics, $contributions1->stateSlots), $configuration->standardEvaluators);
45        $settings = new EvaluatorConfig($target, $providers->environment, $configuration->standardEvaluators, array_map((new MicroEvaluatorConversion())->convert(...), $configuration->evaluators));
46        $snapshotId = 'test';
47        $input = $providers->input;
48        $parser = new Parser(new ParserConfig($target->version));
49        $trees = array_map(static fn (Source $source1): File => (new Resolver())->resolve($parser->parse(new Source(Path::normalize($source1->path), $source1->contents, $source1->declarationsOnly))), iterator_to_array($input, false));
50        $program = new Index($snapshotId, $trees);
51        $e = new Evaluator(new Context(new DefinitionIndex($program), $settings, $evaluators, $budget));
52        $symbol = 'target';
53        $graph = $e->context->index->graph($symbol);
54        self::assertNotNull($graph);
55        $f = new Frame($graph, 'source:' . $symbol);
56        $next = $f->iteration(1, 2);
57        self::assertSame([], $f->iterations);
58        self::assertSame([1 => 2], $next->iterations);
59        self::assertNotSame($f->identity, $next->identity);
60    }
61}
62