packages/deriver/tests/Unit/Deriver/Publication/CandidateCollectorTest.php

1<?php
2
3declare (strict_types=1);
4
5namespace Tests\Unit\Deriver\Publication;
6
7use Deriver\Deriver\Candidate\CandidateStatus;
8use Deriver\Deriver\Contributions;
9use Deriver\Deriver\DeriverConfig;
10use Deriver\Deriver\Evaluator\Call\Evaluators;
11use Deriver\Deriver\Evaluator\Call\Registrations;
12use Deriver\Deriver\Evaluator\EvaluatorConfig;
13use Deriver\Deriver\Evaluator\Evidence\Frontier;
14use Deriver\Deriver\Evaluator\Index\DefinitionIndex;
15use Deriver\Deriver\Evaluator\Request\Budget;
16use Deriver\Deriver\Evaluator\Request\ReturnQuery;
17use Deriver\Deriver\Evaluator\Request\ValueQuery;
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\Publication\CandidateQuery;
27use Deriver\Deriver\Resolver\Resolver;
28use Deriver\Deriver\Selection\CallObservations;
29use Deriver\Deriver\SnapshotIdentity;
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 CandidateCollectorTest extends TestCase
38{
39    public function testCollectKeepsOneSymbolicCandidateSeparateFromEnumeration(): void
40    {
41        $prepared1Input = new Sources([new Source('candidate.php', '<?php ' . 'function target($x){observe(5+$x);}')]);
42        $prepared1Configuration = new DeriverConfig();
43        $prepared1Contributions = new Contributions();
44        $prepared1Target = new TargetProfile($prepared1Configuration->phpVersion, $prepared1Configuration->integerBits, $prepared1Configuration->floatPrecision);
45        $prepared1Providers = new ProviderExpansion($prepared1Input, array_map(Term::fromNative(...), $prepared1Configuration->environment), $prepared1Contributions);
46        $contributions = $prepared1Providers->contributions;
47        $prepared1Evaluators = new Evaluators(new TargetProfile($prepared1Configuration->phpVersion, $prepared1Configuration->integerBits, $prepared1Configuration->floatPrecision), new Registrations($contributions->evaluators, $contributions->providers, $contributions->domains, $contributions->intrinsics, $contributions->stateSlots), $prepared1Configuration->standardEvaluators);
48        $prepared1Settings = new EvaluatorConfig($prepared1Target, $prepared1Providers->environment, $prepared1Configuration->standardEvaluators, array_map((new MicroEvaluatorConversion())->convert(...), $prepared1Configuration->evaluators));
49        $prepared1Identity = new SnapshotIdentity($prepared1Providers->input, $prepared1Settings, $prepared1Evaluators, $prepared1Providers->manifest);
50        $snapshotId = $prepared1Identity->id;
51        $input = $prepared1Providers->input;
52        $parser = new Parser(new ParserConfig($prepared1Target->version));
53        $trees = array_map(static fn (Source $source): File => (new Resolver())->resolve($parser->parse(new Source(Path::normalize($source->path), $source->contents, $source->declarationsOnly))), iterator_to_array($input, false));
54        $prepared1Program = new Index($snapshotId, $trees);
55        $prepared1Snapshot = $prepared1Identity->snapshot(array_map(Frontier::fromDiagnostic(...), $prepared1Program->diagnostics()));
56        $r = (new CandidateQuery(new DefinitionIndex($prepared1Program), $prepared1Settings, $prepared1Evaluators, $prepared1Snapshot))->derive(new ValueQuery((new CallObservations($prepared1Program, $prepared1Evaluators))->find('observe')[0]->argument(0)));
57        self::assertCount(1, $r);
58        self::assertSame(CandidateStatus::Partials, $r[0]->type);
59        self::assertInstanceOf(Term::class, $r[0]->result);
60        self::assertSame(5, $r[0]->result->operands[0]->native());
61    }
62    public function testCollectRetainsTheUnresolvedInputIdentity(): void
63    {
64        $prepared2Input = new Sources([new Source('candidate.php', '<?php ' . 'function target($x){observe(5+$x);}')]);
65        $prepared2Configuration = new DeriverConfig();
66        $prepared2Contributions = new Contributions();
67        $prepared2Target = new TargetProfile($prepared2Configuration->phpVersion, $prepared2Configuration->integerBits, $prepared2Configuration->floatPrecision);
68        $prepared2Providers = new ProviderExpansion($prepared2Input, array_map(Term::fromNative(...), $prepared2Configuration->environment), $prepared2Contributions);
69        $contributions = $prepared2Providers->contributions;
70        $prepared2Evaluators = new Evaluators(new TargetProfile($prepared2Configuration->phpVersion, $prepared2Configuration->integerBits, $prepared2Configuration->floatPrecision), new Registrations($contributions->evaluators, $contributions->providers, $contributions->domains, $contributions->intrinsics, $contributions->stateSlots), $prepared2Configuration->standardEvaluators);
71        $prepared2Settings = new EvaluatorConfig($prepared2Target, $prepared2Providers->environment, $prepared2Configuration->standardEvaluators, array_map((new MicroEvaluatorConversion())->convert(...), $prepared2Configuration->evaluators));
72        $prepared2Identity = new SnapshotIdentity($prepared2Providers->input, $prepared2Settings, $prepared2Evaluators, $prepared2Providers->manifest);
73        $snapshotId = $prepared2Identity->id;
74        $input = $prepared2Providers->input;
75        $parser = new Parser(new ParserConfig($prepared2Target->version));
76        $trees = array_map(static fn (Source $source): File => (new Resolver())->resolve($parser->parse(new Source(Path::normalize($source->path), $source->contents, $source->declarationsOnly))), iterator_to_array($input, false));
77        $prepared2Program = new Index($snapshotId, $trees);
78        $prepared2Snapshot = $prepared2Identity->snapshot(array_map(Frontier::fromDiagnostic(...), $prepared2Program->diagnostics()));
79        $r = (new CandidateQuery(new DefinitionIndex($prepared2Program), $prepared2Settings, $prepared2Evaluators, $prepared2Snapshot))->derive(new ValueQuery((new CallObservations($prepared2Program, $prepared2Evaluators))->find('observe')[0]->argument(0)));
80        self::assertCount(1, $r);
81        self::assertInstanceOf(Term::class, $r[0]->result);
82        $input = $r[0]->result->operands[1];
83        self::assertSame('EXTERNAL_INPUT', $input->attributes['reason']);
84        self::assertSame('candidate.php', $input->attributes['source']);
85    }
86    public function testCollectRetainsTheRequestedSourceRangeAtTheEvidenceRoot(): void
87    {
88        $source = 'function target(){return 42;}';
89        $configuration = new DeriverConfig();
90        $budget = new Budget();
91        $contributions = new Contributions();
92        $prepared3Input = new Sources([new Source('candidate.php', '<?php ' . $source)]);
93        $prepared3Configuration = $configuration;
94        $prepared3Contributions = $contributions;
95        $prepared3Target = new TargetProfile($prepared3Configuration->phpVersion, $prepared3Configuration->integerBits, $prepared3Configuration->floatPrecision);
96        $prepared3Providers = new ProviderExpansion($prepared3Input, array_map(Term::fromNative(...), $prepared3Configuration->environment), $prepared3Contributions);
97        $contributions1 = $prepared3Providers->contributions;
98        $prepared3Evaluators = new Evaluators(new TargetProfile($prepared3Configuration->phpVersion, $prepared3Configuration->integerBits, $prepared3Configuration->floatPrecision), new Registrations($contributions1->evaluators, $contributions1->providers, $contributions1->domains, $contributions1->intrinsics, $contributions1->stateSlots), $prepared3Configuration->standardEvaluators);
99        $prepared3Settings = new EvaluatorConfig($prepared3Target, $prepared3Providers->environment, $prepared3Configuration->standardEvaluators, array_map((new MicroEvaluatorConversion())->convert(...), $prepared3Configuration->evaluators));
100        $prepared3Identity = new SnapshotIdentity($prepared3Providers->input, $prepared3Settings, $prepared3Evaluators, $prepared3Providers->manifest);
101        $snapshotId = $prepared3Identity->id;
102        $input = $prepared3Providers->input;
103        $parser = new Parser(new ParserConfig($prepared3Target->version));
104        $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));
105        $prepared3Program = new Index($snapshotId, $trees);
106        $prepared3Snapshot = $prepared3Identity->snapshot(array_map(Frontier::fromDiagnostic(...), $prepared3Program->diagnostics()));
107        $proof = (new CandidateQuery(new DefinitionIndex($prepared3Program), $prepared3Settings, $prepared3Evaluators, $prepared3Snapshot))->derive(new ReturnQuery('target', budget: $budget))[0]->evidence[0];
108        self::assertNotNull($proof->root->source);
109        self::assertSame('candidate.php', $proof->root->source->path);
110        self::assertSame('target', $proof->root->attributes['owner']);
111    }
112}
113