packages/deriver/tests/Unit/Deriver/Evaluator/Memory/ElementsTest.php

1<?php
2
3declare (strict_types=1);
4
5namespace Tests\Unit\Deriver\Evaluator\Memory;
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\Choices;
12use Deriver\Deriver\Evaluator\Evaluator;
13use Deriver\Deriver\Evaluator\EvaluatorConfig;
14use Deriver\Deriver\Evaluator\Evidence\Frontier;
15use Deriver\Deriver\Evaluator\Index\DefinitionIndex;
16use Deriver\Deriver\Evaluator\Request\Budget;
17use Deriver\Deriver\Evaluator\Request\ReturnQuery;
18use Deriver\Deriver\Evaluator\Scalar\Identity;
19use Deriver\Deriver\Evaluator\Scope\Context;
20use Deriver\Deriver\Evaluator\Scope\Frame;
21use Deriver\Deriver\Evaluator\TargetProfile;
22use Deriver\Deriver\Evaluator\Term;
23use Deriver\Deriver\Lowerer\Declaration\Index;
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\Publication\CandidateQuery;
30use Deriver\Deriver\Resolver\Resolver;
31use Deriver\Deriver\SnapshotIdentity;
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 ElementsTest extends TestCase
40{
41    public function testWritePreservesUnchangedSiblings(): void
42    {
43        $source = 'function target(){$a=["x"=>["y"=>1,"z"=>2]];$a["x"]["y"]=3;return $a;}';
44        $configuration = new DeriverConfig();
45        $budget = new Budget();
46        $contributions = new Contributions();
47        $target = new TargetProfile($configuration->phpVersion, $configuration->integerBits, $configuration->floatPrecision);
48        $providers = new ProviderExpansion(new Sources([new Source('candidate.php', '<?php ' . $source)]), array_map(Term::fromNative(...), $configuration->environment), $contributions);
49        $contributions1 = $providers->contributions;
50        $evaluators = new Evaluators(new TargetProfile($configuration->phpVersion, $configuration->integerBits, $configuration->floatPrecision), new Registrations($contributions1->evaluators, $contributions1->providers, $contributions1->domains, $contributions1->intrinsics, $contributions1->stateSlots), $configuration->standardEvaluators);
51        $settings = new EvaluatorConfig($target, $providers->environment, $configuration->standardEvaluators, array_map((new MicroEvaluatorConversion())->convert(...), $configuration->evaluators));
52        $snapshotId = 'test';
53        $input = $providers->input;
54        $parser = new Parser(new ParserConfig($target->version));
55        $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));
56        $program = new Index($snapshotId, $trees);
57        $engine = new Evaluator(new Context(new DefinitionIndex($program), $settings, $evaluators, $budget));
58        $symbol = 'target';
59        $graph = $engine->context->index->graph($symbol);
60        self::assertNotNull($graph);
61        $alternatives = (new Choices())->alternatives($engine->returns(new Frame($graph, 'source:' . $symbol), 64));
62        $values = array_reduce(iterator_to_array($alternatives, false), static function (array $values, array $alternative): array {
63            [$value, $_] = $alternative;
64            $values[(new Identity())->key($value)] = $value;
65            return $values;
66        }, []);
67        self::assertCount(1, $values);
68        $resolvedValue = array_values($values)[0];
69        self::assertInstanceOf(Term::class, $resolvedValue);
70        self::assertSame(['x' => ['y' => 3, 'z' => 2]], $resolvedValue->native());
71    }
72    public function testMutatePreservesNestedCompoundAndUnset(): void
73    {
74        $source = 'function target(){$a=["x"=>["y"=>1,"z"=>9]];$a["x"]["y"]+=2;unset($a["x"]["z"]);return $a;}';
75        $configuration = new DeriverConfig();
76        $budget = new Budget();
77        $contributions = new Contributions();
78        $prepared1Input = new Sources([new Source('candidate.php', '<?php ' . $source)]);
79        $prepared1Configuration = $configuration;
80        $prepared1Contributions = $contributions;
81        $prepared1Target = new TargetProfile($prepared1Configuration->phpVersion, $prepared1Configuration->integerBits, $prepared1Configuration->floatPrecision);
82        $prepared1Providers = new ProviderExpansion($prepared1Input, array_map(Term::fromNative(...), $prepared1Configuration->environment), $prepared1Contributions);
83        $contributions1 = $prepared1Providers->contributions;
84        $prepared1Evaluators = new Evaluators(new TargetProfile($prepared1Configuration->phpVersion, $prepared1Configuration->integerBits, $prepared1Configuration->floatPrecision), new Registrations($contributions1->evaluators, $contributions1->providers, $contributions1->domains, $contributions1->intrinsics, $contributions1->stateSlots), $prepared1Configuration->standardEvaluators);
85        $prepared1Settings = new EvaluatorConfig($prepared1Target, $prepared1Providers->environment, $prepared1Configuration->standardEvaluators, array_map((new MicroEvaluatorConversion())->convert(...), $prepared1Configuration->evaluators));
86        $prepared1Identity = new SnapshotIdentity($prepared1Providers->input, $prepared1Settings, $prepared1Evaluators, $prepared1Providers->manifest);
87        $snapshotId = $prepared1Identity->id;
88        $input = $prepared1Providers->input;
89        $parser = new Parser(new ParserConfig($prepared1Target->version));
90        $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));
91        $prepared1Program = new Index($snapshotId, $trees);
92        $prepared1Snapshot = $prepared1Identity->snapshot(array_map(Frontier::fromDiagnostic(...), $prepared1Program->diagnostics()));
93        self::assertSame(['x' => ['y' => 3]], (new CandidateQuery(new DefinitionIndex($prepared1Program), $prepared1Settings, $prepared1Evaluators, $prepared1Snapshot))->derive(new ReturnQuery('target', budget: $budget))[0]->result);
94    }
95}
96