1 files changed, 152 insertions, 0 deletions
diff --git a/vendor/opentracing/opentracing/src/OpenTracing/Mock/MockTracer.php b/vendor/opentracing/opentracing/src/OpenTracing/Mock/MockTracer.php
new file mode 100644
index 000000000..f4f4577a1
--- /dev/null
+++ b/vendor/opentracing/opentracing/src/OpenTracing/Mock/MockTracer.php
@@ -0,0 +1,152 @@
+<?php
+
+declare(strict_types=1);
+
+namespace OpenTracing\Mock;
+
+use OpenTracing\InvalidReferenceArgumentException;
+use OpenTracing\UnsupportedFormatException;
+use OpenTracing\Scope;
+use OpenTracing\ScopeManager;
+use OpenTracing\Span;
+use OpenTracing\SpanContext;
+use OpenTracing\StartSpanOptions;
+use OpenTracing\Tracer;
+
+final class MockTracer implements Tracer
+{
+    /**
+     * @var array|MockSpan[]
+     */
+    private $spans = [];
+
+    /**
+     * @var array|callable[]
+     */
+    private $injectors;
+
+    /**
+     * @var array|callable[]
+     */
+    private $extractors;
+
+    /**
+     * @var ScopeManager
+     */
+    private $scopeManager;
+
+    public function __construct(array $injectors = [], array $extractors = [])
+    {
+        $this->injectors = $injectors;
+        $this->extractors = $extractors;
+        $this->scopeManager = new MockScopeManager();
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function startActiveSpan(string $operationName, $options = []): Scope
+    {
+        if (!($options instanceof StartSpanOptions)) {
+            $options = StartSpanOptions::create($options);
+        }
+
+        if (($activeSpan = $this->getActiveSpan()) !== null) {
+            $options = $options->withParent($activeSpan);
+        }
+
+        $span = $this->startSpan($operationName, $options);
+
+        return $this->scopeManager->activate($span, $options->shouldFinishSpanOnClose());
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function startSpan(string $operationName, $options = []): Span
+    {
+        if (!($options instanceof StartSpanOptions)) {
+            $options = StartSpanOptions::create($options);
+        }
+
+        if (empty($options->getReferences())) {
+            $spanContext = MockSpanContext::createAsRoot();
+        } else {
+            $referenceContext = $options->getReferences()[0]->getSpanContext();
+            if (!$referenceContext instanceof MockSpanContext) {
+                throw InvalidReferenceArgumentException::forInvalidContext($referenceContext);
+            }
+            $spanContext = MockSpanContext::createAsChildOf($referenceContext);
+        }
+
+        $span = new MockSpan($operationName, $spanContext, $options->getStartTime());
+
+        foreach ($options->getTags() as $key => $value) {
+            $span->setTag($key, $value);
+        }
+
+        $this->spans[] = $span;
+
+        return $span;
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function inject(SpanContext $spanContext, string $format, &$carrier): void
+    {
+        if (!array_key_exists($format, $this->injectors)) {
+            throw UnsupportedFormatException::forFormat($format);
+        }
+
+        $this->injectors[$format]($spanContext, $carrier);
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function extract(string $format, $carrier): ?SpanContext
+    {
+        if (!array_key_exists($format, $this->extractors)) {
+            throw UnsupportedFormatException::forFormat($format);
+        }
+
+        return $this->extractors[$format]($carrier);
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function flush(): void
+    {
+        $this->spans = [];
+    }
+
+    /**
+     * @return array|MockSpan[]
+     */
+    public function getSpans(): array
+    {
+        return $this->spans;
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function getScopeManager(): ScopeManager
+    {
+        return $this->scopeManager;
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function getActiveSpan(): ?Span
+    {
+        if (null !== ($activeScope = $this->scopeManager->getActive())) {
+            return $activeScope->getSpan();
+        }
+
+        return null;
+    }
+}