packages/deriver/tests/Unit/Deriver/MicroEvaluatorConversionTest.php

1<?php
2
3declare (strict_types=1);
4
5namespace Tests\Unit\Deriver;
6
7use Deriver\Deriver\Contributions;
8use Deriver\Deriver\DeriverConfig;
9use Deriver\Deriver\Evaluation;
10use Deriver\Deriver\EvaluationOperation;
11use Deriver\Deriver\Evaluator\Call\Evaluators;
12use Deriver\Deriver\Evaluator\Call\Registrations;
13use Deriver\Deriver\Evaluator\Evaluator;
14use Deriver\Deriver\Evaluator\EvaluatorConfig;
15use Deriver\Deriver\Evaluator\Index\DefinitionIndex;
16use Deriver\Deriver\Evaluator\Micro\Request;
17use Deriver\Deriver\Evaluator\Request\Budget;
18use Deriver\Deriver\Evaluator\Scope\Context;
19use Deriver\Deriver\Evaluator\Scope\Frame;
20use Deriver\Deriver\Evaluator\TargetProfile;
21use Deriver\Deriver\Evaluator\Term;
22use Deriver\Deriver\Lowerer\Declaration\Index;
23use Deriver\Deriver\MicroEvaluator;
24use Deriver\Deriver\MicroEvaluatorConversion;
25use Deriver\Deriver\Parser\Node\File;
26use Deriver\Deriver\Parser\Parser;
27use Deriver\Deriver\Parser\ParserConfig;
28use Deriver\Deriver\Providers\ProviderExpansion;
29use Deriver\Deriver\Resolver\Resolver;
30use Deriver\Deriver\Sources\Path;
31use Deriver\Deriver\Sources\Source;
32use Deriver\Deriver\Sources\Sources;
33use PHPUnit\Framework\Attributes\CoversNothing;
34use PHPUnit\Framework\TestCase;
35
36#[CoversNothing]
37final class MicroEvaluatorConversionTest extends TestCase
38{
39    public function testConvertAdaptsInternalInstructionsToPublicOperations(): void
40    {
41        $seen = [];
42        $definition = new MicroEvaluator('app.conditional', '2', EvaluationOperation::Conditional, '', static function (Evaluation $evaluation) use (&$seen): Term {
43            $seen[] = $evaluation->operation;
44            return $evaluation->input(1);
45        });
46        $converted = (new MicroEvaluatorConversion())->convert($definition);
47        self::assertSame([], $seen);
48        $source = 'function target($flag){return $flag ? 7 : 42;}';
49        $configuration = new DeriverConfig();
50        $budget = new Budget();
51        $contributions = new Contributions();
52        $target = new TargetProfile($configuration->phpVersion, $configuration->integerBits, $configuration->floatPrecision);
53        $providers = new ProviderExpansion(new Sources([new Source('candidate.php', '<?php ' . $source)]), array_map(Term::fromNative(...), $configuration->environment), $contributions);
54        $contributions1 = $providers->contributions;
55        $evaluators = new Evaluators(new TargetProfile($configuration->phpVersion, $configuration->integerBits, $configuration->floatPrecision), new Registrations($contributions1->evaluators, $contributions1->providers, $contributions1->domains, $contributions1->intrinsics, $contributions1->stateSlots), $configuration->standardEvaluators);
56        $settings = new EvaluatorConfig($target, $providers->environment, $configuration->standardEvaluators, array_map((new MicroEvaluatorConversion())->convert(...), $configuration->evaluators));
57        $snapshotId = 'test';
58        $input = $providers->input;
59        $parser = new Parser(new ParserConfig($target->version));
60        $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));
61        $program = new Index($snapshotId, $trees);
62        $engine = new Evaluator(new Context(new DefinitionIndex($program), $settings, $evaluators, $budget));
63        $symbol = 'target';
64        $graph = $engine->context->index->graph($symbol);
65        self::assertNotNull($graph);
66        $frame = new Frame($graph, 'source:' . $symbol);
67        $operation = 'phi';
68        $instruction = array_values(array_filter($frame->graph->definitions, static fn ($instruction): bool => $instruction->operation === $operation))[0] ?? null;
69        self::assertNotNull($instruction);
70        $request = new Request($engine, $frame, $instruction, 20);
71        self::assertSame(42, $converted->evaluate($request)?->native());
72        self::assertSame([EvaluationOperation::Conditional], $seen);
73    }
74}
75