minor #367 [Store][Voyage] Add unit test for ResultConverter (OskarStark)

This PR was squashed before being merged into the main branch.

Discussion
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[Store][Voyage] Add unit test for `ResultConverter`

| Q             | A
| ------------- | ---
| Bug fix?      | no
| New feature?  | no
| Docs?         | no
| Issues        | --
| License       | MIT

This test covers the ResultConverter class for the Voyage bridge, including:
- Converting response to VectorResult
- Handling multiple embeddings (returns first)
- Exception handling for missing data
- Model support verification

Commits
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d406967 [Store][Voyage] Add unit test for `ResultConverter`

Author: OskarStark

src/platform/tests/Bridge/Voyage/ResultConverterTest.php

@@ -0,0 +1,113 @@
+<?php
+
+/*
+ * This file is part of the Symfony package.
+ *
+ * (c) Fabien Potencier <[email protected]>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Symfony\AI\Platform\Tests\Bridge\Voyage;
+
+use PHPUnit\Framework\Attributes\CoversClass;
+use PHPUnit\Framework\Attributes\DataProvider;
+use PHPUnit\Framework\Attributes\Small;
+use PHPUnit\Framework\Attributes\UsesClass;
+use PHPUnit\Framework\TestCase;
+use Symfony\AI\Platform\Bridge\Voyage\ResultConverter;
+use Symfony\AI\Platform\Bridge\Voyage\Voyage;
+use Symfony\AI\Platform\Exception\RuntimeException;
+use Symfony\AI\Platform\Result\RawHttpResult;
+use Symfony\AI\Platform\Result\VectorResult;
+use Symfony\AI\Platform\Vector\Vector;
+use Symfony\Contracts\HttpClient\ResponseInterface;
+
+/**
+ * @author Oskar Stark <[email protected]>
+ */
+#[CoversClass(ResultConverter::class)]
+#[Small]
+#[UsesClass(Vector::class)]
+#[UsesClass(VectorResult::class)]
+#[UsesClass(Voyage::class)]
+class ResultConverterTest extends TestCase
+{
+    public function testItConvertsAResponseToAVectorResult()
+    {
+        $result = $this->createStub(ResponseInterface::class);
+        $result
+            ->method('toArray')
+            ->willReturn([
+                'data' => [
+                    [
+                        'embedding' => [0.1, 0.2, 0.3],
+                    ],
+                ],
+            ]);
+
+        $converter = new ResultConverter();
+        $vectorResult = $converter->convert(new RawHttpResult($result));
+
+        $this->assertInstanceOf(VectorResult::class, $vectorResult);
+        $this->assertSame([0.1, 0.2, 0.3], $vectorResult->getContent()[0]->getData());
+    }
+
+    public function testItConvertsMultipleEmbeddings()
+    {
+        $result = $this->createStub(ResponseInterface::class);
+        $result
+            ->method('toArray')
+            ->willReturn([
+                'data' => [
+                    [
+                        'embedding' => [0.1, 0.2, 0.3],
+                    ],
+                    [
+                        'embedding' => [0.4, 0.5, 0.6],
+                    ],
+                ],
+            ]);
+
+        $converter = new ResultConverter();
+        $vectorResult = $converter->convert(new RawHttpResult($result));
+
+        $this->assertInstanceOf(VectorResult::class, $vectorResult);
+        // The converter returns only the first vector
+        $this->assertSame([0.1, 0.2, 0.3], $vectorResult->getContent()[0]->getData());
+    }
+
+    public function testItThrowsExceptionWhenResponseDoesNotContainData()
+    {
+        $result = $this->createStub(ResponseInterface::class);
+        $result
+            ->method('toArray')
+            ->willReturn(['invalid' => 'response']);
+
+        $converter = new ResultConverter();
+
+        $this->expectException(RuntimeException::class);
+        $this->expectExceptionMessage('Response does not contain embedding data.');
+
+        $converter->convert(new RawHttpResult($result));
+    }
+
+    #[DataProvider('voyageModelsProvider')]
+    public function testItSupportsVoyageModel(string $modelName)
+    {
+        $converter = new ResultConverter();
+
+        $this->assertTrue($converter->supports(new Voyage($modelName)));
+    }
+
+    public static function voyageModelsProvider(): iterable
+    {
+        yield 'V3' => [Voyage::V3];
+        yield 'V3_LITE' => [Voyage::V3_LITE];
+        yield 'FINANCE_2' => [Voyage::FINANCE_2];
+        yield 'MULTILINGUAL_2' => [Voyage::MULTILINGUAL_2];
+        yield 'LAW_2' => [Voyage::LAW_2];
+        yield 'CODE_2' => [Voyage::CODE_2];
+    }
+}