upgrade psalm to v5

composer.json

@@ -98,11 +98,11 @@
         "phpstan/phpstan-mockery": "^1.1",
         "phpstan/phpstan-phpunit": "^1.3",
         "phpunit/phpunit": "^9.6",
-        "psalm/plugin-mockery": "^0.11",
+        "psalm/plugin-mockery": "^1",
         "psalm/plugin-phpunit": "^0.18.4",
-        "psalm/psalm": "^4.30",
+        "psalm/psalm": "^5",
         "qossmic/deptrac-shim": "^0.24 || ^1",
-        "rector/rector": ">=0.15.20",
+        "rector/rector": "^1",
         "symfony/http-client": "^5.2",
         "symfony/yaml": "^6 || ^5"
     },

examples/autoload_sdk_with_custom_transport.php

@@ -21,6 +21,7 @@
  * create a transport factory to override the default grpc one (for both traces and metrics):
  * @psalm-suppress InvalidReturnType
  * @psalm-suppress InvalidReturnStatement
+ * @psalm-suppress MissingTemplateParam
  */
 $factory = new class() implements \OpenTelemetry\SDK\Common\Export\TransportFactoryInterface {
     public function create(string $endpoint, string $contentType, array $headers = [], $compression = null, float $timeout = 10., int $retryDelay = 100, int $maxRetries = 3, ?string $cacert = null, ?string $cert = null, ?string $key = null): \OpenTelemetry\SDK\Common\Export\TransportInterface

examples/traces/exporters/otlp_http_json.php

@@ -6,12 +6,13 @@
 
 require __DIR__ . '/../../../vendor/autoload.php';
 
+use OpenTelemetry\Contrib\Otlp\ContentTypes;
 use OpenTelemetry\Contrib\Otlp\OtlpHttpTransportFactory;
 use OpenTelemetry\Contrib\Otlp\SpanExporter;
 use OpenTelemetry\SDK\Trace\SpanProcessor\SimpleSpanProcessor;
 use OpenTelemetry\SDK\Trace\TracerProvider;
 
-$transport = (new OtlpHttpTransportFactory())->create('http://collector:4318/v1/traces', 'application/json');
+$transport = (new OtlpHttpTransportFactory())->create('http://collector:4318/v1/traces', ContentTypes::JSON);
 $exporter = new SpanExporter($transport);
 
 echo 'Starting OTLP+json example';

psalm.xml.dist

@@ -2,6 +2,8 @@
 <psalm
     errorLevel="3"
     cacheDirectory="var/cache/psalm"
+    findUnusedBaselineEntry="false"
+    findUnusedCode="false"
     xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
     xmlns="https://getpsalm.org/schema/config"
     xsi:schemaLocation="https://getpsalm.org/schema/config vendor/vimeo/psalm/config.xsd">
@@ -24,5 +26,10 @@
               <referencedClass name="GMP" />
             </errorLevel>
           </UndefinedClass>
+          <ArgumentTypeCoercion>
+            <errorLevel type="suppress">
+              <directory name="./examples" />
+            </errorLevel>
+          </ArgumentTypeCoercion>
     </issueHandlers>
 </psalm>

src/API/Baggage/Propagation/Parser.php

@@ -46,6 +46,7 @@ public function parseInto(BaggageBuilderInterface $baggageBuilder): void
                 $metadata = null;
             }
 
+            /** @psalm-suppress PossiblyUndefinedArrayOffset */
             [$key, $value] = explode(self::EQUALS, $keyValue, 2);
 
             $key = urldecode($key);

src/API/Behavior/Internal/LogWriter/Formatter.php

@@ -25,6 +25,10 @@ public static function format($level, string $message, array $context): string
         } else {
             //get calling location, skipping over trait, formatter etc
             $caller = debug_backtrace()[3];
+            /**
+             * @psalm-suppress PossiblyNullArgument
+             * @psalm-suppress PossiblyUndefinedArrayOffset
+             */
             $message = sprintf(
                 'OpenTelemetry: [%s] %s in %s(%s)',
                 $level,

src/Context/ContextKey.php

@@ -6,6 +6,7 @@
 
 /**
  * @internal
+ * @psalm-suppress MissingTemplateParam
  */
 final class ContextKey implements ContextKeyInterface
 {

src/Context/ContextStorageScopeInterface.php

@@ -6,6 +6,9 @@
 
 use ArrayAccess;
 
+/**
+ * @psalm-suppress MissingTemplateParam
+ */
 interface ContextStorageScopeInterface extends ScopeInterface, ArrayAccess
 {
     /**

src/Contrib/Grpc/GrpcTransportFactory.php

@@ -29,6 +29,7 @@ final class GrpcTransportFactory implements TransportFactoryInterface
      * @psalm-return TransportInterface<"application/x-protobuf">
      * @psalm-suppress MoreSpecificImplementedParamType
      * @psalm-suppress ImplementedReturnTypeMismatch
+     * @psalm-suppress NoValue
      */
     public function create(
         string $endpoint,

src/Contrib/Otlp/ContentTypes.php

@@ -4,6 +4,9 @@
 
 namespace OpenTelemetry\Contrib\Otlp;
 
+/**
+ * @todo enum (php >= 8.1)
+ */
 interface ContentTypes
 {
     public const PROTOBUF = 'application/x-protobuf';

src/SDK/Common/Attribute/Attributes.php

@@ -8,6 +8,9 @@
 use IteratorAggregate;
 use Traversable;
 
+/**
+ * @psalm-suppress MissingTemplateParam
+ */
 final class Attributes implements AttributesInterface, IteratorAggregate
 {
     /**

src/SDK/Common/Attribute/AttributesBuilderInterface.php

@@ -6,6 +6,9 @@
 
 use ArrayAccess;
 
+/**
+ * @psalm-suppress MissingTemplateParam
+ */
 interface AttributesBuilderInterface extends ArrayAccess
 {
     public function build(): AttributesInterface;

src/SDK/Common/Attribute/AttributesInterface.php

@@ -7,6 +7,9 @@
 use Countable;
 use Traversable;
 
+/**
+ * @psalm-suppress MissingTemplateParam
+ */
 interface AttributesInterface extends Traversable, Countable
 {
     public function has(string $name): bool;

src/SDK/Common/Configuration/Parser/MapParser.php

@@ -25,6 +25,7 @@ public static function parse($value): array
         foreach (explode(self::VARIABLE_SEPARATOR, $value) as $pair) {
             self::validateKeyValuePair($pair);
 
+            /** @psalm-suppress PossiblyUndefinedArrayOffset */
             [$key, $value] = explode(self::KEY_VALUE_SEPARATOR, $pair, 2);
             $result[trim($key)] = trim($value);
         }

src/SDK/Common/Exception/StackTraceFormatter.php

@@ -124,8 +124,8 @@ private static function writeNewline(string &$s, int $indent = 0): void
 
     /**
      * @psalm-return Frames
-     *
      * @psalm-suppress PossiblyUndefinedArrayOffset
+     * @psalm-suppress InvalidArrayOffset
      */
     private static function frames(Throwable $e): array
     {

src/SDK/Common/Export/Http/PsrTransport.php

@@ -53,6 +53,9 @@ public function contentType(): string
         return $this->contentType;
     }
 
+    /**
+     * @psalm-suppress ArgumentTypeCoercion
+     */
     public function send(string $payload, ?CancellationInterface $cancellation = null): FutureInterface
     {
         if ($this->closed) {
@@ -118,6 +121,9 @@ public function send(string $payload, ?CancellationInterface $cancellation = nul
         return new CompletedFuture($body);
     }
 
+    /**
+     * @return list<string>
+     */
     private static function parseContentEncoding(ResponseInterface $response): array
     {
         $encodings = [];

src/SDK/Common/Export/Http/PsrUtils.php

@@ -87,6 +87,7 @@ public static function encode(string $value, array $encodings, ?array &$appliedE
 
     /**
      * @param list<string> $encodings
+     * @psalm-suppress InvalidArrayOffset
      */
     public static function decode(string $value, array $encodings): string
     {

src/SDK/Common/Future/ErrorFuture.php

@@ -7,6 +7,9 @@
 use Closure;
 use Throwable;
 
+/**
+ * @psalm-suppress MissingTemplateParam
+ */
 final class ErrorFuture implements FutureInterface
 {
     public function __construct(private Throwable $throwable)

src/SDK/Common/Util/functions.php

@@ -40,11 +40,14 @@ function weaken(Closure $closure, ?object &$target = null): Closure
 
     static $placeholder;
     $placeholder ??= new stdClass();
+    /** @psalm-suppress PossiblyNullReference */
     $closure = $closure->bindTo($placeholder);
 
     $ref = WeakReference::create($target);
 
-    /** @psalm-suppress PossiblyInvalidFunctionCall */
+    /**
+     * @psalm-suppress all
+     */
     return $scope && $target::class === $scope->name && !$scope->isInternal()
         ? static fn (...$args) => ($obj = $ref->get()) ? $closure->call($obj, ...$args) : null
         : static fn (...$args) => ($obj = $ref->get()) ? $closure->bindTo($obj)(...$args) : null;

src/SDK/Logs/Exporter/InMemoryExporter.php

@@ -25,7 +25,7 @@ public function __construct(?ArrayObject $storage = null)
     public function export(iterable $batch, ?CancellationInterface $cancellation = null): FutureInterface
     {
         foreach ($batch as $record) {
-            $this->storage[] = $record;
+            $this->storage->append($record);
         }
 
         return new CompletedFuture(true);

src/SDK/Metrics/View/CriteriaViewRegistry.php

@@ -22,6 +22,9 @@ public function register(SelectionCriteriaInterface $criteria, ViewTemplate $vie
         $this->views[] = $view;
     }
 
+    /**
+     * @todo is null the best return type here? what about empty array or exception?
+     */
     public function find(Instrument $instrument, InstrumentationScopeInterface $instrumentationScope): ?iterable
     {
         $views = $this->generateViews($instrument, $instrumentationScope);

src/SDK/Metrics/View/SelectionCriteria/InstrumentNameCriteria.php

@@ -16,11 +16,17 @@ final class InstrumentNameCriteria implements SelectionCriteriaInterface
 {
     private string $pattern;
 
+    /**
+     * @param non-empty-string $name
+     */
     public function __construct(string $name)
     {
         $this->pattern = sprintf('/^%s$/', strtr(preg_quote($name, '/'), ['\\?' => '.', '\\*' => '.*']));
     }
 
+    /**
+     * @psalm-suppress ArgumentTypeCoercion
+     */
     public function accepts(Instrument $instrument, InstrumentationScopeInterface $instrumentationScope): bool
     {
         return (bool) preg_match($this->pattern, $instrument->name);

src/SDK/Propagation/PropagatorFactory.php

@@ -28,7 +28,7 @@ public function create(): TextMapPropagatorInterface
     }
 
     /**
-     * @return array<TextMapPropagatorInterface>
+     * @return list<TextMapPropagatorInterface>
      */
     private function buildPropagators(array $names): array
     {

src/SDK/Trace/SpanExporter/InMemoryExporter.php

@@ -22,7 +22,7 @@ public function __construct(?ArrayObject $storage = null)
     protected function doExport(iterable $spans): bool
     {
         foreach ($spans as $span) {
-            $this->storage[] = $span;
+            $this->storage->append($span);
         }
 
         return true;

src/SDK/Trace/TracerProviderBuilder.php

@@ -8,7 +8,7 @@
 
 class TracerProviderBuilder
 {
-    // @var array<SpanProcessorInterface>
+    /** @var list<SpanProcessorInterface> */
     private ?array $spanProcessors = [];
     private ?ResourceInfo $resource = null;
     private ?SamplerInterface $sampler = null;

tests/Benchmark/OtlpBench.php

@@ -51,6 +51,9 @@ public function setUpNoExporter(): void
         $this->tracer = $provider->getTracer('io.opentelemetry.contrib.php');
     }
 
+    /**
+     * @psalm-suppress MissingTemplateParam
+     */
     private function createTransport(string $contentType): TransportInterface
     {
         return new class($contentType) implements TransportInterface {

tests/Unit/API/Baggage/Propagation/ParserTest.php

@@ -100,6 +100,7 @@ public static function invalidHeaderProvider(): array
             'empty key' => ['=value'],
             'key with invalid char' => ['@foo=bar'],
             'value with invalid char' => ['foo="bar"'],
+            'missing value' => ['key1='],
         ];
     }
 }