packages/deriver/tests/Unit/Deriver/Evaluator/Evidence/FrontierTest.php

1<?php
2
3declare (strict_types=1);
4
5namespace Tests\Unit\Deriver\Evaluator\Evidence;
6
7use Deriver\Deriver;
8use Deriver\Deriver\Candidate\ResultRef;
9use Deriver\Deriver\Candidate\Snapshot;
10use Deriver\Deriver\Candidate\Statistics;
11use Deriver\Deriver\Contributions;
12use Deriver\Deriver\DeriverConfig;
13use Deriver\Deriver\Evaluator\Builtin\Library;
14use Deriver\Deriver\Evaluator\Call\Evaluators;
15use Deriver\Deriver\Evaluator\Call\Extensions;
16use Deriver\Deriver\Evaluator\Call\Registrations;
17use Deriver\Deriver\Evaluator\Call\StateRegistry;
18use Deriver\Deriver\Evaluator\EvaluatorConfig;
19use Deriver\Deriver\Evaluator\Evidence\Frontier;
20use Deriver\Deriver\Evaluator\Execution\Call\Allocation;
21use Deriver\Deriver\Evaluator\Execution\Call\ArgumentBinding;
22use Deriver\Deriver\Evaluator\Execution\Call\ArgumentOrder;
23use Deriver\Deriver\Evaluator\Execution\Call\CallableCheck;
24use Deriver\Deriver\Evaluator\Execution\Call\CallExecutor;
25use Deriver\Deriver\Evaluator\Execution\Call\CallResolution;
26use Deriver\Deriver\Evaluator\Execution\Call\Creation\Access;
27use Deriver\Deriver\Evaluator\Execution\Call\Member\Invocation;
28use Deriver\Deriver\Evaluator\Execution\Call\Native\Invocation as NativeInvocation;
29use Deriver\Deriver\Evaluator\Execution\Call\Native\Properties;
30use Deriver\Deriver\Evaluator\Execution\Call\Native\Signatures;
31use Deriver\Deriver\Evaluator\Execution\Call\PassedArgument;
32use Deriver\Deriver\Evaluator\Execution\Call\Preparation\Arguments;
33use Deriver\Deriver\Evaluator\Execution\Call\Preparation\Creation;
34use Deriver\Deriver\Evaluator\Execution\Call\Preparation\Modes;
35use Deriver\Deriver\Evaluator\Execution\Call\Preparation\Resolution;
36use Deriver\Deriver\Evaluator\Execution\Call\Preparation\Target;
37use Deriver\Deriver\Evaluator\Execution\Call\Preparation\Transfer;
38use Deriver\Deriver\Evaluator\Execution\Call\TypeBinding;
39use Deriver\Deriver\Evaluator\Execution\Call\TypeCheck;
40use Deriver\Deriver\Evaluator\Execution\Call\UnknownCall;
41use Deriver\Deriver\Evaluator\Execution\Completion\Alternative;
42use Deriver\Deriver\Evaluator\Execution\Completion\Assessment;
43use Deriver\Deriver\Evaluator\Execution\Completion\Completion;
44use Deriver\Deriver\Evaluator\Execution\Completion\Exceptional;
45use Deriver\Deriver\Evaluator\Execution\Completion\Quality\DependencyClosure;
46use Deriver\Deriver\Evaluator\Execution\Completion\StorageSnapshot;
47use Deriver\Deriver\Evaluator\Execution\Context;
48use Deriver\Deriver\Evaluator\Execution\Control\ExceptionMatch;
49use Deriver\Deriver\Evaluator\Execution\Control\ObservationLimit;
50use Deriver\Deriver\Evaluator\Execution\Control\StateJoin;
51use Deriver\Deriver\Evaluator\Execution\Control\Unwinding;
52use Deriver\Deriver\Evaluator\Execution\Demand\Discovery;
53use Deriver\Deriver\Evaluator\Execution\Dependencies;
54use Deriver\Deriver\Evaluator\Execution\Evaluator;
55use Deriver\Deriver\Evaluator\Execution\EvaluatorConfig as ExecutionEvaluatorConfig;
56use Deriver\Deriver\Evaluator\Execution\Havoc;
57use Deriver\Deriver\Evaluator\Execution\InstructionTransfer;
58use Deriver\Deriver\Evaluator\Execution\Memory\Location;
59use Deriver\Deriver\Evaluator\Execution\Memory\Materialization;
60use Deriver\Deriver\Evaluator\Execution\Memory\Memory;
61use Deriver\Deriver\Evaluator\Execution\Memory\ReferenceConstraint;
62use Deriver\Deriver\Evaluator\Execution\Memory\Slots\SlotReference;
63use Deriver\Deriver\Evaluator\Execution\Memory\Slots\StateStorage;
64use Deriver\Deriver\Evaluator\Execution\Memory\StorageCapture;
65use Deriver\Deriver\Evaluator\Execution\ObservationCollector;
66use Deriver\Deriver\Evaluator\Execution\Operation\Conversions;
67use Deriver\Deriver\Evaluator\Execution\Operation\ScalarErrors;
68use Deriver\Deriver\Evaluator\Execution\State;
69use Deriver\Deriver\Evaluator\Execution\Summary\Evaluation;
70use Deriver\Deriver\Evaluator\Execution\Summary\Isolation;
71use Deriver\Deriver\Evaluator\Execution\Trace\Derivation;
72use Deriver\Deriver\Evaluator\Execution\Transfer\MemoryStep;
73use Deriver\Deriver\Evaluator\Execution\Transfer\ObjectAccess;
74use Deriver\Deriver\Evaluator\Execution\Transfer\PropertyAccessCheck;
75use Deriver\Deriver\Evaluator\Execution\Transfer\PropertyLookup;
76use Deriver\Deriver\Evaluator\Execution\Transfer\PropertyMagic;
77use Deriver\Deriver\Evaluator\Execution\Transfer\PropertySlot;
78use Deriver\Deriver\Evaluator\Execution\Transfer\PropertyTransfer;
79use Deriver\Deriver\Evaluator\Execution\Transfer\PureStep;
80use Deriver\Deriver\Evaluator\Execution\Transfer\ReferenceAssignment;
81use Deriver\Deriver\Evaluator\Request\Budget;
82use Deriver\Deriver\Evaluator\Request\EntryPoint;
83use Deriver\Deriver\Evaluator\Request\QueryScope;
84use Deriver\Deriver\Evaluator\Request\ReturnQuery;
85use Deriver\Deriver\Evaluator\Scalar\Arrays;
86use Deriver\Deriver\Evaluator\Scalar\Identity;
87use Deriver\Deriver\Evaluator\Scalar\Operations;
88use Deriver\Deriver\Evaluator\TargetProfile;
89use Deriver\Deriver\Evaluator\Term;
90use Deriver\Deriver\Execution\DerivationResult;
91use Deriver\Deriver\Execution\QueryExecution;
92use Deriver\Deriver\Execution\ResultAssessment;
93use Deriver\Deriver\Identity\QueryEncoding;
94use Deriver\Deriver\Identity\ValueGraph;
95use Deriver\Deriver\Lowerer\AggregateLowering;
96use Deriver\Deriver\Lowerer\AssignmentLowering;
97use Deriver\Deriver\Lowerer\CallLowering;
98use Deriver\Deriver\Lowerer\Control\DestructuringLowering;
99use Deriver\Deriver\Lowerer\Declaration\CallableIdentity;
100use Deriver\Deriver\Lowerer\Declaration\CallableSource;
101use Deriver\Deriver\Lowerer\Declaration\ConstantSignatures;
102use Deriver\Deriver\Lowerer\Declaration\Diagnostic;
103use Deriver\Deriver\Lowerer\Declaration\Index;
104use Deriver\Deriver\Lowerer\Declaration\Indexer;
105use Deriver\Deriver\Lowerer\Declaration\Metadata\ClassDeclaration;
106use Deriver\Deriver\Lowerer\Declaration\Metadata\PropertyDeclaration;
107use Deriver\Deriver\Lowerer\Declaration\Traits\Composition;
108use Deriver\Deriver\Lowerer\ExpressionLowering;
109use Deriver\Deriver\Lowerer\Graph\Argument;
110use Deriver\Deriver\Lowerer\Graph\BasicBlock;
111use Deriver\Deriver\Lowerer\Graph\CallableGraph;
112use Deriver\Deriver\Lowerer\Graph\Instruction;
113use Deriver\Deriver\Lowerer\Graph\Terminator;
114use Deriver\Deriver\Lowerer\Hierarchy\Builtins;
115use Deriver\Deriver\Lowerer\Hierarchy\Dispatch;
116use Deriver\Deriver\Lowerer\InstructionEmitter;
117use Deriver\Deriver\Lowerer\Lowerer;
118use Deriver\Deriver\Lowerer\LoweringScope;
119use Deriver\Deriver\Lowerer\StatementLowering;
120use Deriver\Deriver\MicroEvaluatorConversion;
121use Deriver\Deriver\Parser\Node\File;
122use Deriver\Deriver\Parser\Parser;
123use Deriver\Deriver\Parser\ParserConfig;
124use Deriver\Deriver\Parser\TargetSyntax;
125use Deriver\Deriver\Providers\ProviderExpansion;
126use Deriver\Deriver\Resolver\AssignmentPatterns;
127use Deriver\Deriver\Resolver\ClassScope;
128use Deriver\Deriver\Resolver\ExpressionValidation;
129use Deriver\Deriver\Resolver\MagicContext;
130use Deriver\Deriver\Resolver\Resolver;
131use Deriver\Deriver\Selection\QueryValidation;
132use Deriver\Deriver\SnapshotIdentity;
133use Deriver\Deriver\Sources\LineMap;
134use Deriver\Deriver\Sources\Path;
135use Deriver\Deriver\Sources\Source;
136use Deriver\Deriver\Sources\SourceRef;
137use Deriver\Deriver\Sources\Sources;
138use Deriver\Exception\ParserException;
139use Deriver\Exception\ResolutionException;
140use PHPUnit\Framework\Attributes\CoversClass;
141use PHPUnit\Framework\Attributes\Small;
142use PHPUnit\Framework\Attributes\UsesClass;
143use PHPUnit\Framework\TestCase;
144
145#[UsesClass(Resolver::class)]
146#[UsesClass(ExpressionValidation::class)]
147#[UsesClass(ResolutionException::class)]
148#[UsesClass(ParserConfig::class)]
149#[UsesClass(ParserException::class)]
150#[CoversClass(Frontier::class)]
151#[UsesClass(QueryExecution::class)]
152#[UsesClass(QueryValidation::class)]
153#[UsesClass(ResultAssessment::class)]
154#[UsesClass(Deriver::class)]
155#[UsesClass(Argument::class)]
156#[UsesClass(BasicBlock::class)]
157#[UsesClass(CallableGraph::class)]
158#[UsesClass(CallableIdentity::class)]
159#[UsesClass(ClassDeclaration::class)]
160#[UsesClass(Instruction::class)]
161#[UsesClass(PropertyDeclaration::class)]
162#[UsesClass(Terminator::class)]
163#[UsesClass(Allocation::class)]
164#[UsesClass(ArgumentBinding::class)]
165#[UsesClass(ArgumentOrder::class)]
166#[UsesClass(CallExecutor::class)]
167#[UsesClass(CallResolution::class)]
168#[UsesClass(CallableCheck::class)]
169#[UsesClass(Access::class)]
170#[UsesClass(Builtins::class)]
171#[UsesClass(Dispatch::class)]
172#[UsesClass(Invocation::class)]
173#[UsesClass(NativeInvocation::class)]
174#[UsesClass(Properties::class)]
175#[UsesClass(Signatures::class)]
176#[UsesClass(PassedArgument::class)]
177#[UsesClass(Arguments::class)]
178#[UsesClass(Creation::class)]
179#[UsesClass(Modes::class)]
180#[UsesClass(Resolution::class)]
181#[UsesClass(Target::class)]
182#[UsesClass(Transfer::class)]
183#[UsesClass(TypeBinding::class)]
184#[UsesClass(TypeCheck::class)]
185#[UsesClass(UnknownCall::class)]
186#[UsesClass(Completion::class)]
187#[UsesClass(Context::class)]
188#[UsesClass(ExceptionMatch::class)]
189#[UsesClass(ObservationLimit::class)]
190#[UsesClass(StateJoin::class)]
191#[UsesClass(Unwinding::class)]
192#[UsesClass(Discovery::class)]
193#[UsesClass(Dependencies::class)]
194#[UsesClass(Havoc::class)]
195#[UsesClass(InstructionTransfer::class)]
196#[UsesClass(Evaluator::class)]
197#[UsesClass(SlotReference::class)]
198#[UsesClass(StateStorage::class)]
199#[UsesClass(ObservationCollector::class)]
200#[UsesClass(Conversions::class)]
201#[UsesClass(ScalarErrors::class)]
202#[UsesClass(State::class)]
203#[UsesClass(Evaluation::class)]
204#[UsesClass(Isolation::class)]
205#[UsesClass(MemoryStep::class)]
206#[UsesClass(ObjectAccess::class)]
207#[UsesClass(PropertyAccessCheck::class)]
208#[UsesClass(PropertyLookup::class)]
209#[UsesClass(PropertyMagic::class)]
210#[UsesClass(PropertySlot::class)]
211#[UsesClass(PropertyTransfer::class)]
212#[UsesClass(PureStep::class)]
213#[UsesClass(ReferenceAssignment::class)]
214#[UsesClass(Location::class)]
215#[UsesClass(Materialization::class)]
216#[UsesClass(Memory::class)]
217#[UsesClass(ReferenceConstraint::class)]
218#[UsesClass(StorageCapture::class)]
219#[UsesClass(Library::class)]
220#[UsesClass(Extensions::class)]
221#[UsesClass(ProviderExpansion::class)]
222#[UsesClass(Evaluators::class)]
223#[UsesClass(StateRegistry::class)]
224#[UsesClass(DeriverConfig::class)]
225#[UsesClass(EntryPoint::class)]
226#[UsesClass(Sources::class)]
227#[UsesClass(Path::class)]
228#[UsesClass(Snapshot::class)]
229#[UsesClass(Source::class)]
230#[UsesClass(TargetProfile::class)]
231#[UsesClass(Budget::class)]
232#[UsesClass(QueryScope::class)]
233#[UsesClass(ReturnQuery::class)]
234#[UsesClass(ResultRef::class)]
235#[UsesClass(SourceRef::class)]
236#[UsesClass(Alternative::class)]
237#[UsesClass(Assessment::class)]
238#[UsesClass(Derivation::class)]
239#[UsesClass(DerivationResult::class)]
240#[UsesClass(Exceptional::class)]
241#[UsesClass(QueryEncoding::class)]
242#[UsesClass(ValueGraph::class)]
243#[UsesClass(Statistics::class)]
244#[UsesClass(StorageSnapshot::class)]
245#[UsesClass(Parser::class)]
246#[UsesClass(File::class)]
247#[UsesClass(AggregateLowering::class)]
248#[UsesClass(AssignmentLowering::class)]
249#[UsesClass(CallLowering::class)]
250#[UsesClass(Lowerer::class)]
251#[UsesClass(DestructuringLowering::class)]
252#[UsesClass(ExpressionLowering::class)]
253#[UsesClass(InstructionEmitter::class)]
254#[UsesClass(LoweringScope::class)]
255#[UsesClass(StatementLowering::class)]
256#[UsesClass(ConstantSignatures::class)]
257#[UsesClass(CallableSource::class)]
258#[UsesClass(Indexer::class)]
259#[UsesClass(Index::class)]
260#[UsesClass(Composition::class)]
261#[UsesClass(LineMap::class)]
262#[UsesClass(MagicContext::class)]
263#[UsesClass(AssignmentPatterns::class)]
264#[UsesClass(ClassScope::class)]
265#[UsesClass(TargetSyntax::class)]
266#[UsesClass(Arrays::class)]
267#[UsesClass(Identity::class)]
268#[UsesClass(Operations::class)]
269#[UsesClass(Term::class)]
270#[Small]
271final class FrontierTest extends TestCase
272{
273    public function testPreservesItsSemanticContract(): void
274    {
275        $source = '<?php class Box{public $value="known";} function target(){$box=new Box; $local="unrelated"; externalMutation($box);return [$box->value,$local];}';
276        $symbol = 'target';
277        $input = new Sources([new Source('fixture.php', $source)]);
278        $configuration = new DeriverConfig();
279        $contributions = new Contributions();
280        $target = new TargetProfile($configuration->phpVersion, $configuration->integerBits, $configuration->floatPrecision);
281        $providers = new ProviderExpansion($input, array_map(Term::fromNative(...), $configuration->environment), $contributions);
282        $contributions1 = $providers->contributions;
283        $evaluators = new Evaluators(new TargetProfile($configuration->phpVersion, $configuration->integerBits, $configuration->floatPrecision), new Registrations($contributions1->evaluators, $contributions1->providers, $contributions1->domains, $contributions1->intrinsics, $contributions1->stateSlots), $configuration->standardEvaluators);
284        $settings = new EvaluatorConfig($target, $providers->environment, $configuration->standardEvaluators, array_map((new MicroEvaluatorConversion())->convert(...), $configuration->evaluators));
285        $identity = new SnapshotIdentity($providers->input, $settings, $evaluators, $providers->manifest);
286        $snapshotId = $identity->id;
287        $input1 = $providers->input;
288        $parser = new Parser(new ParserConfig($target->version));
289        $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));
290        $program = new Index($snapshotId, $trees);
291        $result = (new QueryExecution($program, new ExecutionEvaluatorConfig($target, $providers->environment, $configuration->standardEvaluators), $evaluators, $identity->snapshot(array_map(Frontier::fromDiagnostic(...), $program->diagnostics()))))->derive(new ReturnQuery($symbol));
292        self::assertSame(DependencyClosure::Open, $result->assessment->closure);
293        self::assertSame('MISSING_CALL_MODEL', $result->frontiers[0]->code);
294        self::assertSame('unrelated', $result->normalOutcomes[0]->values['return']->operands[1]->native());
295        self::assertFalse($result->normalOutcomes[0]->values['return']->operands[0]->isConcrete());
296    }
297    public function testFromDiagnosticPreservesSourceAndReason(): void
298    {
299        $source = new SourceRef('s', 'a.php', 0, 1);
300        $frontier = Frontier::fromDiagnostic(new Diagnostic('INCOMPLETE_SOURCE', $source, 'missing-parent', 'parent-source'));
301        self::assertSame($source, $frontier->at);
302        self::assertSame('parent-source', $frontier->missingCapability);
303    }
304}
305