refactor: Add Values matcher class

src/PhpPact/Consumer/Matcher/Matchers/Values.php

@@ -0,0 +1,34 @@
+<?php
+
+namespace PhpPact\Consumer\Matcher\Matchers;
+
+use PhpPact\Consumer\Matcher\Model\MatcherInterface;
+
+/**
+ * Match the values in a map, ignoring the keys
+ */
+class Values implements MatcherInterface
+{
+    /**
+     * @param array<mixed> $values
+     */
+    public function __construct(private array $values)
+    {
+    }
+
+    /**
+     * @return array<string, mixed>
+     */
+    public function jsonSerialize(): array
+    {
+        return [
+            'pact:matcher:type' => $this->getType(),
+            'value'             => $this->values,
+        ];
+    }
+
+    public function getType(): string
+    {
+        return 'values';
+    }
+}

tests/PhpPact/Consumer/Matcher/Matchers/ValuesTest.php

@@ -0,0 +1,19 @@
+<?php
+
+namespace PhpPactTest\Consumer\Matcher\Matchers;
+
+use PhpPact\Consumer\Matcher\Matchers\Values;
+use PHPUnit\Framework\TestCase;
+
+class ValuesTest extends TestCase
+{
+    /**
+     * @testWith [["value 1", "value 2"],                   "{\"pact:matcher:type\":\"values\",\"value\":[\"value 1\",\"value 2\"]}"]
+     *           [{"key 1": "value 1", "key 2": "value 2"}, "{\"pact:matcher:type\":\"values\",\"value\":{\"key 1\":\"value 1\",\"key 2\":\"value 2\"}}"]
+     */
+    public function testSerialize(array $values, string $json): void
+    {
+        $array = new Values($values);
+        $this->assertSame($json, json_encode($array));
+    }
+}