packages/deriver/tests/Integration/EvaluationLifetimeTest.php
1<?php
2
3declare (strict_types=1);
4
5namespace Tests\Integration;
6
7use Deriver\Deriver\Contributions;
8use Deriver\Deriver\DeriverConfig;
9use Deriver\Deriver\Evaluator\Call\CallDecision;
10use Deriver\Deriver\Evaluator\Call\CallDescriptor;
11use Deriver\Deriver\Evaluator\Call\CallEvaluator;
12use Deriver\Deriver\Evaluator\Call\Evaluators;
13use Deriver\Deriver\Evaluator\Call\Plan\Action;
14use Deriver\Deriver\Evaluator\Call\Plan\Expression;
15use Deriver\Deriver\Evaluator\Call\Plan\SemanticPlan;
16use Deriver\Deriver\Evaluator\Call\Registrations;
17use Deriver\Deriver\Evaluator\EvaluatorConfig;
18use Deriver\Deriver\Evaluator\Evidence\Frontier;
19use Deriver\Deriver\Evaluator\Execution\EvaluatorConfig as ExecutionEvaluatorConfig;
20use Deriver\Deriver\Evaluator\Index\DefinitionIndex;
21use Deriver\Deriver\Evaluator\Request\ReturnQuery;
22use Deriver\Deriver\Evaluator\TargetProfile;
23use Deriver\Deriver\Evaluator\Term;
24use Deriver\Deriver\Execution\QueryExecution;
25use Deriver\Deriver\Lowerer\Declaration\Index;
26use Deriver\Deriver\MicroEvaluatorConversion;
27use Deriver\Deriver\Parser\Node\File;
28use Deriver\Deriver\Parser\Parser;
29use Deriver\Deriver\Parser\ParserConfig;
30use Deriver\Deriver\Providers\ProviderExpansion;
31use Deriver\Deriver\Publication\CandidateQuery;
32use Deriver\Deriver\Resolver\Resolver;
33use Deriver\Deriver\SnapshotIdentity;
34use Deriver\Deriver\Sources\Path;
35use Deriver\Deriver\Sources\Source;
36use Deriver\Deriver\Sources\Sources;
37use PHPUnit\Framework\Attributes\CoversNothing;
38use PHPUnit\Framework\TestCase;
39use WeakReference;
40
41#[CoversNothing]
42final class EvaluationLifetimeTest extends TestCase
43{
44 public function testIndependentQueriesEvaluateTheirDependenciesAgain(): void
45 {
46 $evaluator = self::createMock(CallEvaluator::class);
47 $evaluator->method('descriptor')->willReturn(new CallDescriptor('fixture.provided', '1', 'provided'));
48 $evaluator->expects(self::exactly(2))->method('evaluate')->willReturn(CallDecision::handled(new SemanticPlan([Action::returns(Expression::literal(Term::constant(7)))])));
49 $prepared1Input = new Sources([new Source('app.php', '<?php function target(){return provided()+1;}')]);
50 $prepared1Configuration = new DeriverConfig();
51 $prepared1Contributions = new Contributions(evaluators: [$evaluator]);
52 $prepared1Target = new TargetProfile($prepared1Configuration->phpVersion, $prepared1Configuration->integerBits, $prepared1Configuration->floatPrecision);
53 $prepared1Providers = new ProviderExpansion($prepared1Input, array_map(Term::fromNative(...), $prepared1Configuration->environment), $prepared1Contributions);
54 $contributions = $prepared1Providers->contributions;
55 $prepared1Evaluators = new Evaluators(new TargetProfile($prepared1Configuration->phpVersion, $prepared1Configuration->integerBits, $prepared1Configuration->floatPrecision), new Registrations($contributions->evaluators, $contributions->providers, $contributions->domains, $contributions->intrinsics, $contributions->stateSlots), $prepared1Configuration->standardEvaluators);
56 $prepared1Settings = new EvaluatorConfig($prepared1Target, $prepared1Providers->environment, $prepared1Configuration->standardEvaluators, array_map((new MicroEvaluatorConversion())->convert(...), $prepared1Configuration->evaluators));
57 $prepared1Identity = new SnapshotIdentity($prepared1Providers->input, $prepared1Settings, $prepared1Evaluators, $prepared1Providers->manifest);
58 $snapshotId = $prepared1Identity->id;
59 $input = $prepared1Providers->input;
60 $parser = new Parser(new ParserConfig($prepared1Target->version));
61 $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));
62 $prepared1Program = new Index($snapshotId, $trees);
63 $prepared1Snapshot = $prepared1Identity->snapshot(array_map(Frontier::fromDiagnostic(...), $prepared1Program->diagnostics()));
64 $analysis = new CandidateQuery(new DefinitionIndex($prepared1Program), $prepared1Settings, $prepared1Evaluators, $prepared1Snapshot);
65 $first = $analysis->derive(new ReturnQuery('target'));
66 $second = $analysis->derive(new ReturnQuery('target'));
67 self::assertNotSame($first, $second);
68 self::assertSame(8, $first[0]->result);
69 self::assertSame(8, $second[0]->result);
70 self::assertSame(1, $first->statistics->evaluatorApplications);
71 self::assertSame(1, $second->statistics->evaluatorApplications);
72 }
73 public function testOneQueryMemoizesItsSharedDependency(): void
74 {
75 $evaluator = self::createMock(CallEvaluator::class);
76 $evaluator->method('descriptor')->willReturn(new CallDescriptor('fixture.provided', '1', 'provided'));
77 $evaluator->expects(self::once())->method('evaluate')->willReturn(CallDecision::handled(new SemanticPlan([Action::returns(Expression::literal(Term::constant(7)))])));
78 $prepared2Input = new Sources([new Source('app.php', '<?php function target(){$value=provided();return $value+$value;}')]);
79 $prepared2Configuration = new DeriverConfig();
80 $prepared2Contributions = new Contributions(evaluators: [$evaluator]);
81 $prepared2Target = new TargetProfile($prepared2Configuration->phpVersion, $prepared2Configuration->integerBits, $prepared2Configuration->floatPrecision);
82 $prepared2Providers = new ProviderExpansion($prepared2Input, array_map(Term::fromNative(...), $prepared2Configuration->environment), $prepared2Contributions);
83 $contributions = $prepared2Providers->contributions;
84 $prepared2Evaluators = new Evaluators(new TargetProfile($prepared2Configuration->phpVersion, $prepared2Configuration->integerBits, $prepared2Configuration->floatPrecision), new Registrations($contributions->evaluators, $contributions->providers, $contributions->domains, $contributions->intrinsics, $contributions->stateSlots), $prepared2Configuration->standardEvaluators);
85 $prepared2Settings = new EvaluatorConfig($prepared2Target, $prepared2Providers->environment, $prepared2Configuration->standardEvaluators, array_map((new MicroEvaluatorConversion())->convert(...), $prepared2Configuration->evaluators));
86 $prepared2Identity = new SnapshotIdentity($prepared2Providers->input, $prepared2Settings, $prepared2Evaluators, $prepared2Providers->manifest);
87 $snapshotId = $prepared2Identity->id;
88 $input = $prepared2Providers->input;
89 $parser = new Parser(new ParserConfig($prepared2Target->version));
90 $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));
91 $prepared2Program = new Index($snapshotId, $trees);
92 $prepared2Snapshot = $prepared2Identity->snapshot(array_map(Frontier::fromDiagnostic(...), $prepared2Program->diagnostics()));
93 $analysis = new CandidateQuery(new DefinitionIndex($prepared2Program), $prepared2Settings, $prepared2Evaluators, $prepared2Snapshot);
94 $result = $analysis->derive(new ReturnQuery('target'));
95 self::assertSame(14, $result[0]->result);
96 self::assertSame(1, $result->statistics->evaluatorApplications);
97 }
98 public function testCandidateResultsAreNotRetainedAfterTheCallerDropsThem(): void
99 {
100 $prepared3Input = new Sources([new Source('app.php', '<?php function target(){return 7;}')]);
101 $prepared3Configuration = new DeriverConfig();
102 $prepared3Contributions = new Contributions();
103 $prepared3Target = new TargetProfile($prepared3Configuration->phpVersion, $prepared3Configuration->integerBits, $prepared3Configuration->floatPrecision);
104 $prepared3Providers = new ProviderExpansion($prepared3Input, array_map(Term::fromNative(...), $prepared3Configuration->environment), $prepared3Contributions);
105 $contributions = $prepared3Providers->contributions;
106 $prepared3Evaluators = new Evaluators(new TargetProfile($prepared3Configuration->phpVersion, $prepared3Configuration->integerBits, $prepared3Configuration->floatPrecision), new Registrations($contributions->evaluators, $contributions->providers, $contributions->domains, $contributions->intrinsics, $contributions->stateSlots), $prepared3Configuration->standardEvaluators);
107 $prepared3Settings = new EvaluatorConfig($prepared3Target, $prepared3Providers->environment, $prepared3Configuration->standardEvaluators, array_map((new MicroEvaluatorConversion())->convert(...), $prepared3Configuration->evaluators));
108 $prepared3Identity = new SnapshotIdentity($prepared3Providers->input, $prepared3Settings, $prepared3Evaluators, $prepared3Providers->manifest);
109 $snapshotId = $prepared3Identity->id;
110 $input = $prepared3Providers->input;
111 $parser = new Parser(new ParserConfig($prepared3Target->version));
112 $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));
113 $prepared3Program = new Index($snapshotId, $trees);
114 $prepared3Snapshot = $prepared3Identity->snapshot(array_map(Frontier::fromDiagnostic(...), $prepared3Program->diagnostics()));
115 $analysis = new CandidateQuery(new DefinitionIndex($prepared3Program), $prepared3Settings, $prepared3Evaluators, $prepared3Snapshot);
116 $result = $analysis->derive(new ReturnQuery('target'));
117 $reference = WeakReference::create($result);
118 unset($result);
119 self::assertNull($reference->get());
120 self::assertSame(7, $analysis->derive(new ReturnQuery('target'))[0]->result);
121 }
122 public function testOrderedResultsAreNotRetainedAfterTheCallerDropsThem(): void
123 {
124 $input = new Sources([new Source('app.php', '<?php function target(){return 7;}')]);
125 $configuration = new DeriverConfig();
126 $contributions = new Contributions();
127 $target = new TargetProfile($configuration->phpVersion, $configuration->integerBits, $configuration->floatPrecision);
128 $providers = new ProviderExpansion($input, array_map(Term::fromNative(...), $configuration->environment), $contributions);
129 $contributions1 = $providers->contributions;
130 $evaluators = new Evaluators(new TargetProfile($configuration->phpVersion, $configuration->integerBits, $configuration->floatPrecision), new Registrations($contributions1->evaluators, $contributions1->providers, $contributions1->domains, $contributions1->intrinsics, $contributions1->stateSlots), $configuration->standardEvaluators);
131 $settings = new EvaluatorConfig($target, $providers->environment, $configuration->standardEvaluators, array_map((new MicroEvaluatorConversion())->convert(...), $configuration->evaluators));
132 $identity = new SnapshotIdentity($providers->input, $settings, $evaluators, $providers->manifest);
133 $snapshotId = $identity->id;
134 $input1 = $providers->input;
135 $parser = new Parser(new ParserConfig($target->version));
136 $trees = array_map(static fn (Source $source): File => (new Resolver())->resolve($parser->parse(new Source(Path::normalize($source->path), $source->contents, $source->declarationsOnly))), iterator_to_array($input1, false));
137 $program = new Index($snapshotId, $trees);
138 $analysis = new QueryExecution($program, new ExecutionEvaluatorConfig($target, $providers->environment, $configuration->standardEvaluators), $evaluators, $identity->snapshot(array_map(Frontier::fromDiagnostic(...), $program->diagnostics())));
139 $result = $analysis->derive(new ReturnQuery('target'));
140 $reference = WeakReference::create($result);
141 unset($result);
142 self::assertNull($reference->get());
143 self::assertSame(7, $analysis->derive(new ReturnQuery('target'))->normalOutcomes[0]->values['return']->native());
144 }
145}
146