packages/deriver/tests/Unit/Deriver/Evaluator/Micro/DispatchTest.php

1<?php
2
3declare (strict_types=1);
4
5namespace Tests\Unit\Deriver\Evaluator\Micro;
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\Dispatch;
17use Deriver\Deriver\Evaluator\Micro\InstructionEvaluator;
18use Deriver\Deriver\Evaluator\Micro\Request;
19use Deriver\Deriver\Evaluator\Request\Budget;
20use Deriver\Deriver\Evaluator\Scope\Context;
21use Deriver\Deriver\Evaluator\Scope\Frame;
22use Deriver\Deriver\Evaluator\TargetProfile;
23use Deriver\Deriver\Evaluator\Term;
24use Deriver\Deriver\Lowerer\Declaration\Index;
25use Deriver\Deriver\MicroEvaluator;
26use Deriver\Deriver\MicroEvaluatorConversion;
27use Deriver\Deriver\Parser\Node\File;
28use Deriver\Deriver\Parser\Parser;
29use Deriver\Deriver\Parser\ParserConfig;
30use Deriver\Deriver\Providers\ProviderExpansion;
31use Deriver\Deriver\Resolver\Resolver;
32use Deriver\Deriver\Sources\Path;
33use Deriver\Deriver\Sources\Source;
34use Deriver\Deriver\Sources\Sources;
35use PHPUnit\Framework\Attributes\CoversNothing;
36use PHPUnit\Framework\TestCase;
37
38#[CoversNothing]
39final class DispatchTest extends TestCase
40{
41    public function testEvaluateContinuesToTheBuiltinWithFreshInputEvidenceAfterDeclining(): void
42    {
43        $evaluator = new MicroEvaluator('app.decline', '1', EvaluationOperation::Binary, '+', static function (Evaluation $evaluation): ?Term {
44            $evaluation->input(0);
45            return null;
46        });
47        $source = 'function target(){return 2+3;}';
48        $configuration = new DeriverConfig(evaluators: [$evaluator]);
49        $budget = new Budget();
50        $contributions = new Contributions();
51        $target = new TargetProfile($configuration->phpVersion, $configuration->integerBits, $configuration->floatPrecision);
52        $providers = new ProviderExpansion(new Sources([new Source('candidate.php', '<?php ' . $source)]), array_map(Term::fromNative(...), $configuration->environment), $contributions);
53        $contributions1 = $providers->contributions;
54        $evaluators = new Evaluators(new TargetProfile($configuration->phpVersion, $configuration->integerBits, $configuration->floatPrecision), new Registrations($contributions1->evaluators, $contributions1->providers, $contributions1->domains, $contributions1->intrinsics, $contributions1->stateSlots), $configuration->standardEvaluators);
55        $settings = new EvaluatorConfig($target, $providers->environment, $configuration->standardEvaluators, array_map((new MicroEvaluatorConversion())->convert(...), $configuration->evaluators));
56        $snapshotId = 'test';
57        $input = $providers->input;
58        $parser = new Parser(new ParserConfig($target->version));
59        $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));
60        $program = new Index($snapshotId, $trees);
61        $engine = new Evaluator(new Context(new DefinitionIndex($program), $settings, $evaluators, $budget));
62        $symbol = 'target';
63        $graph = $engine->context->index->graph($symbol);
64        self::assertNotNull($graph);
65        $frame = new Frame($graph, 'source:' . $symbol);
66        $operation = 'binary';
67        $instruction = array_values(array_filter($frame->graph->definitions, static fn ($instruction): bool => $instruction->operation === $operation))[0] ?? null;
68        self::assertNotNull($instruction);
69        $request = new Request($engine, $frame, $instruction, 20);
70        $result = (new Dispatch())->evaluate($request, new InstructionEvaluator());
71        self::assertSame(5, $result->native());
72        self::assertSame([], $request->inputs());
73        self::assertSame(0, $engine->context->evaluatorApplications);
74    }
75}
76