packages/deriver/tests/Unit/Deriver/Evaluator/Enumeration/SuspensionTest.php

1<?php
2
3declare (strict_types=1);
4
5namespace Tests\Unit\Deriver\Evaluator\Enumeration;
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\Enumeration\Suspension as Subject;
12use Deriver\Deriver\Evaluator\Evaluator;
13use Deriver\Deriver\Evaluator\EvaluatorConfig;
14use Deriver\Deriver\Evaluator\Index\DefinitionIndex;
15use Deriver\Deriver\Evaluator\Request\Budget;
16use Deriver\Deriver\Evaluator\Scope\Context;
17use Deriver\Deriver\Evaluator\Scope\Frame;
18use Deriver\Deriver\Evaluator\TargetProfile;
19use Deriver\Deriver\Evaluator\Term;
20use Deriver\Deriver\Lowerer\Declaration\Index;
21use Deriver\Deriver\MicroEvaluatorConversion;
22use Deriver\Deriver\Parser\Node\File;
23use Deriver\Deriver\Parser\Parser;
24use Deriver\Deriver\Parser\ParserConfig;
25use Deriver\Deriver\Providers\ProviderExpansion;
26use Deriver\Deriver\Resolver\Resolver;
27use Deriver\Deriver\Sources\Path;
28use Deriver\Deriver\Sources\Source;
29use Deriver\Deriver\Sources\Sources;
30use PHPUnit\Framework\Attributes\CoversNothing;
31use PHPUnit\Framework\TestCase;
32
33#[CoversNothing]
34final class SuspensionTest extends TestCase
35{
36    public function testExpressionRetainsLiteralAndReferenceOnStop(): void
37    {
38        $source = 'function target($x){return $x+2;}';
39        $configuration = new DeriverConfig();
40        $budget = new Budget();
41        $contributions = new Contributions();
42        $target = new TargetProfile($configuration->phpVersion, $configuration->integerBits, $configuration->floatPrecision);
43        $providers = new ProviderExpansion(new Sources([new Source('candidate.php', '<?php ' . $source)]), array_map(Term::fromNative(...), $configuration->environment), $contributions);
44        $contributions1 = $providers->contributions;
45        $evaluators = new Evaluators(new TargetProfile($configuration->phpVersion, $configuration->integerBits, $configuration->floatPrecision), new Registrations($contributions1->evaluators, $contributions1->providers, $contributions1->domains, $contributions1->intrinsics, $contributions1->stateSlots), $configuration->standardEvaluators);
46        $settings = new EvaluatorConfig($target, $providers->environment, $configuration->standardEvaluators, array_map((new MicroEvaluatorConversion())->convert(...), $configuration->evaluators));
47        $snapshotId = 'test';
48        $input = $providers->input;
49        $parser = new Parser(new ParserConfig($target->version));
50        $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));
51        $program = new Index($snapshotId, $trees);
52        $engine = new Evaluator(new Context(new DefinitionIndex($program), $settings, $evaluators, $budget));
53        $symbol = 'target';
54        $graph = $engine->context->index->graph($symbol);
55        self::assertNotNull($graph);
56        $frame = new Frame($graph, 'source:' . $symbol);
57        $operation = 'binary';
58        $instruction1 = array_values(array_filter($frame->graph->definitions, static fn ($instruction1): bool => $instruction1->operation === $operation))[0] ?? null;
59        $instruction = $instruction1;
60        self::assertNotNull($instruction);
61        $value = (new Subject())->expression($engine->context, $frame, $instruction, 'BUDGET_EXCEEDED');
62        self::assertSame('BUDGET_EXCEEDED', $value->attributes['reason']);
63        self::assertSame(2, $value->operands[1]->native());
64    }
65}
66