packages/deriver/tests/Unit/Deriver/Evaluator/Language/FinalizersTest.php

1<?php
2
3declare (strict_types=1);
4
5namespace Tests\Unit\Deriver\Evaluator\Language;
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\Evidence\Frontier;
14use Deriver\Deriver\Evaluator\Index\DefinitionIndex;
15use Deriver\Deriver\Evaluator\Language\Finalizers;
16use Deriver\Deriver\Evaluator\Request\Budget;
17use Deriver\Deriver\Evaluator\Request\ReturnQuery;
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\MicroEvaluatorConversion;
24use Deriver\Deriver\Parser\Node\File;
25use Deriver\Deriver\Parser\Parser;
26use Deriver\Deriver\Parser\ParserConfig;
27use Deriver\Deriver\Providers\ProviderExpansion;
28use Deriver\Deriver\Publication\CandidateQuery;
29use Deriver\Deriver\Resolver\Resolver;
30use Deriver\Deriver\SnapshotIdentity;
31use Deriver\Deriver\Sources\Path;
32use Deriver\Deriver\Sources\Source;
33use Deriver\Deriver\Sources\Sources;
34use PHPUnit\Framework\Attributes\CoversNothing;
35use PHPUnit\Framework\TestCase;
36
37#[CoversNothing]
38final class FinalizersTest extends TestCase
39{
40    public function testApplyUsesConditionalFinallyCompletion(): void
41    {
42        $source = 'function helper($x){try{return 1;}finally{if($x){return 2;}}}function target(){return [helper(true),helper(false)];}';
43        $configuration = new DeriverConfig();
44        $budget = new Budget();
45        $contributions = new Contributions();
46        $prepared1Input = new Sources([new Source('candidate.php', '<?php ' . $source)]);
47        $prepared1Configuration = $configuration;
48        $prepared1Contributions = $contributions;
49        $prepared1Target = new TargetProfile($prepared1Configuration->phpVersion, $prepared1Configuration->integerBits, $prepared1Configuration->floatPrecision);
50        $prepared1Providers = new ProviderExpansion($prepared1Input, array_map(Term::fromNative(...), $prepared1Configuration->environment), $prepared1Contributions);
51        $contributions1 = $prepared1Providers->contributions;
52        $prepared1Evaluators = new Evaluators(new TargetProfile($prepared1Configuration->phpVersion, $prepared1Configuration->integerBits, $prepared1Configuration->floatPrecision), new Registrations($contributions1->evaluators, $contributions1->providers, $contributions1->domains, $contributions1->intrinsics, $contributions1->stateSlots), $prepared1Configuration->standardEvaluators);
53        $prepared1Settings = new EvaluatorConfig($prepared1Target, $prepared1Providers->environment, $prepared1Configuration->standardEvaluators, array_map((new MicroEvaluatorConversion())->convert(...), $prepared1Configuration->evaluators));
54        $prepared1Identity = new SnapshotIdentity($prepared1Providers->input, $prepared1Settings, $prepared1Evaluators, $prepared1Providers->manifest);
55        $snapshotId = $prepared1Identity->id;
56        $input = $prepared1Providers->input;
57        $parser = new Parser(new ParserConfig($prepared1Target->version));
58        $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));
59        $prepared1Program = new Index($snapshotId, $trees);
60        $prepared1Snapshot = $prepared1Identity->snapshot(array_map(Frontier::fromDiagnostic(...), $prepared1Program->diagnostics()));
61        $result = (new CandidateQuery(new DefinitionIndex($prepared1Program), $prepared1Settings, $prepared1Evaluators, $prepared1Snapshot))->derive(new ReturnQuery('target', budget: $budget));
62        self::assertEqualsCanonicalizing([[1, 1], [1, 2], [2, 1], [2, 2]], array_map(static fn ($candidate) => $candidate->result, iterator_to_array($result)));
63    }
64    public function testCompletionsStayInsideTheFinallyRegion(): void
65    {
66        $source = 'function target(){try{return 1;}finally{return 2;}}';
67        $configuration = new DeriverConfig();
68        $budget = new Budget();
69        $contributions = new Contributions();
70        $target = new TargetProfile($configuration->phpVersion, $configuration->integerBits, $configuration->floatPrecision);
71        $providers = new ProviderExpansion(new Sources([new Source('candidate.php', '<?php ' . $source)]), array_map(Term::fromNative(...), $configuration->environment), $contributions);
72        $contributions1 = $providers->contributions;
73        $evaluators = new Evaluators(new TargetProfile($configuration->phpVersion, $configuration->integerBits, $configuration->floatPrecision), new Registrations($contributions1->evaluators, $contributions1->providers, $contributions1->domains, $contributions1->intrinsics, $contributions1->stateSlots), $configuration->standardEvaluators);
74        $settings = new EvaluatorConfig($target, $providers->environment, $configuration->standardEvaluators, array_map((new MicroEvaluatorConversion())->convert(...), $configuration->evaluators));
75        $snapshotId = 'test';
76        $input = $providers->input;
77        $parser = new Parser(new ParserConfig($target->version));
78        $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));
79        $program = new Index($snapshotId, $trees);
80        $evaluator = new Evaluator(new Context(new DefinitionIndex($program), $settings, $evaluators, $budget));
81        $symbol = 'target';
82        $graph = $evaluator->context->index->graph($symbol);
83        self::assertNotNull($graph);
84        $frame = new Frame($graph, 'source:' . $symbol);
85        $region = $frame->graph->body->regions[0];
86        self::assertSame([$region->finally], (new Finalizers())->completions($frame, $region));
87    }
88}
89