packages/deriver/tests/Unit/Deriver/Evaluator/Execution/Call/Contract/EffectsTest.php

1<?php
2
3declare (strict_types=1);
4
5namespace Tests\Unit\Deriver\Evaluator\Execution\Call\Contract;
6
7use Deriver\Deriver\Contributions;
8use Deriver\Deriver\DeriverConfig;
9use Deriver\Deriver\Evaluator\Call\BoundInstruction;
10use Deriver\Deriver\Evaluator\Call\Evaluators;
11use Deriver\Deriver\Evaluator\Call\Extensions;
12use Deriver\Deriver\Evaluator\Call\Registrations;
13use Deriver\Deriver\Evaluator\Call\StateRegistry;
14use Deriver\Deriver\Evaluator\EvaluatorConfig;
15use Deriver\Deriver\Evaluator\Evidence\Frontier;
16use Deriver\Deriver\Evaluator\Execution\Call\Contract\Effects;
17use Deriver\Deriver\Evaluator\Execution\Completion\Completion;
18use Deriver\Deriver\Evaluator\Execution\Completion\CompletionKind;
19use Deriver\Deriver\Evaluator\Execution\Context;
20use Deriver\Deriver\Evaluator\Execution\EvaluatorConfig as ExecutionEvaluatorConfig;
21use Deriver\Deriver\Evaluator\Execution\Havoc;
22use Deriver\Deriver\Evaluator\Execution\Memory\Location;
23use Deriver\Deriver\Evaluator\Execution\Memory\Memory;
24use Deriver\Deriver\Evaluator\Execution\State;
25use Deriver\Deriver\Evaluator\Request\Budget;
26use Deriver\Deriver\Evaluator\Request\QueryScope;
27use Deriver\Deriver\Evaluator\Request\ReturnQuery;
28use Deriver\Deriver\Evaluator\TargetProfile;
29use Deriver\Deriver\Evaluator\Term;
30use Deriver\Deriver\Evaluator\TermKind;
31use Deriver\Deriver\Execution\QueryExecution;
32use Deriver\Deriver\Lowerer\Declaration\CallableIdentity;
33use Deriver\Deriver\Lowerer\Declaration\CallableSource;
34use Deriver\Deriver\Lowerer\Declaration\Index;
35use Deriver\Deriver\Lowerer\Declaration\Indexer;
36use Deriver\Deriver\Lowerer\Declaration\Traits\Composition;
37use Deriver\Deriver\Lowerer\Graph\Instruction;
38use Deriver\Deriver\MicroEvaluatorConversion;
39use Deriver\Deriver\Parser\Node\File;
40use Deriver\Deriver\Parser\Parser;
41use Deriver\Deriver\Parser\ParserConfig;
42use Deriver\Deriver\Parser\TargetSyntax;
43use Deriver\Deriver\Providers\ProviderExpansion;
44use Deriver\Deriver\Resolver\AssignmentPatterns;
45use Deriver\Deriver\Resolver\ClassScope;
46use Deriver\Deriver\Resolver\ExpressionValidation;
47use Deriver\Deriver\Resolver\MagicContext;
48use Deriver\Deriver\Resolver\Resolver;
49use Deriver\Deriver\SnapshotIdentity;
50use Deriver\Deriver\Sources\LineMap;
51use Deriver\Deriver\Sources\Path;
52use Deriver\Deriver\Sources\Source;
53use Deriver\Deriver\Sources\SourceRef;
54use Deriver\Deriver\Sources\Sources;
55use Deriver\Exception\ParserException;
56use Deriver\Exception\ResolutionException;
57use PHPUnit\Framework\Attributes\CoversClass;
58use PHPUnit\Framework\Attributes\Small;
59use PHPUnit\Framework\Attributes\UsesClass;
60use PHPUnit\Framework\TestCase;
61
62/**
63 * @covers \Deriver\Deriver\Evaluator\Execution\Call\Contract\Effects
64 */
65#[UsesClass(Resolver::class)]
66#[UsesClass(ExpressionValidation::class)]
67#[UsesClass(ResolutionException::class)]
68#[UsesClass(ParserConfig::class)]
69#[UsesClass(ParserException::class)]
70#[CoversClass(Effects::class)]
71#[UsesClass(CallableIdentity::class)]
72#[UsesClass(Instruction::class)]
73#[UsesClass(Completion::class)]
74#[UsesClass(Context::class)]
75#[UsesClass(Havoc::class)]
76#[UsesClass(State::class)]
77#[UsesClass(Location::class)]
78#[UsesClass(Memory::class)]
79#[UsesClass(Extensions::class)]
80#[UsesClass(Evaluators::class)]
81#[UsesClass(StateRegistry::class)]
82#[UsesClass(DeriverConfig::class)]
83#[UsesClass(Sources::class)]
84#[UsesClass(Path::class)]
85#[UsesClass(Source::class)]
86#[UsesClass(TargetProfile::class)]
87#[UsesClass(Budget::class)]
88#[UsesClass(QueryScope::class)]
89#[UsesClass(ReturnQuery::class)]
90#[UsesClass(SourceRef::class)]
91#[UsesClass(Frontier::class)]
92#[UsesClass(Parser::class)]
93#[UsesClass(File::class)]
94#[UsesClass(CallableSource::class)]
95#[UsesClass(Indexer::class)]
96#[UsesClass(Index::class)]
97#[UsesClass(Composition::class)]
98#[UsesClass(LineMap::class)]
99#[UsesClass(MagicContext::class)]
100#[UsesClass(AssignmentPatterns::class)]
101#[UsesClass(ClassScope::class)]
102#[UsesClass(TargetSyntax::class)]
103#[UsesClass(Term::class)]
104#[Small]
105final class EffectsTest extends TestCase
106{
107    public function testApplyPreservesUnrelatedCellsAndTheOptionalExceptionalExit(): void
108    {
109        $source = '<?php function target(){return 1;}';
110        $budget = new Budget();
111        $configuration = new DeriverConfig();
112        $contributions = new Contributions();
113        $input = new Sources([new Source('fixture.php', $source)]);
114        $target = new TargetProfile($configuration->phpVersion, $configuration->integerBits, $configuration->floatPrecision);
115        $providers = new ProviderExpansion($input, array_map(Term::fromNative(...), $configuration->environment), $contributions);
116        $contributions1 = $providers->contributions;
117        $evaluators = new Evaluators(new TargetProfile($configuration->phpVersion, $configuration->integerBits, $configuration->floatPrecision), new Registrations($contributions1->evaluators, $contributions1->providers, $contributions1->domains, $contributions1->intrinsics, $contributions1->stateSlots), $configuration->standardEvaluators);
118        $settings = new EvaluatorConfig($target, $providers->environment, $configuration->standardEvaluators, array_map((new MicroEvaluatorConversion())->convert(...), $configuration->evaluators));
119        $identity = new SnapshotIdentity($providers->input, $settings, $evaluators, $providers->manifest);
120        $snapshotId = $identity->id;
121        $input1 = $providers->input;
122        $parser = new Parser(new ParserConfig($target->version));
123        $trees = array_map(static fn (Source $source1): File => (new Resolver())->resolve($parser->parse(new Source(Path::normalize($source1->path), $source1->contents, $source1->declarationsOnly))), iterator_to_array($input1, false));
124        $program1 = new Index($snapshotId, $trees);
125        $execution = new QueryExecution($program1, new ExecutionEvaluatorConfig($target, $providers->environment, $configuration->standardEvaluators), $evaluators, $identity->snapshot(array_map(Frontier::fromDiagnostic(...), $program1->diagnostics())));
126        $snapshotId1 = 'test';
127        $input2 = new Sources([new Source('fixture.php', $source)]);
128        $profile = $execution->configuration->target;
129        $parser1 = new Parser(new ParserConfig($profile->version));
130        $trees1 = array_map(static fn (Source $source2): File => (new Resolver())->resolve($parser1->parse(new Source(Path::normalize($source2->path), $source2->contents, $source2->declarationsOnly))), iterator_to_array($input2, false));
131        $program = new Index($snapshotId1, $trees1);
132        $context = new Context($program, new ReturnQuery('target', budget: $budget), $execution->configuration, $execution->evaluators);
133        $state = new State();
134        $state->addresses['x'] = $state->local('x');
135        $state->memory->write($state->addresses['x'], Term::constant(1));
136        $state->memory->write($state->local('stable'), Term::constant(2));
137        $instruction = new BoundInstruction('effect', 'evaluator-havoc', new SourceRef('test', 'evaluator:test', 0, 1), 'result', ['x'], 'unknown mutation');
138        $paths = (new Effects($context))->apply($instruction, $state);
139        self::assertCount(2, $paths);
140        self::assertSame(CompletionKind::Throw, $paths[1]->completion->kind);
141        self::assertSame(TermKind::Opaque, $paths[0]->memory->read($state->addresses['x'])->kind);
142        self::assertSame(2, $paths[0]->memory->read($state->local('stable'))->native());
143    }
144}
145