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fix: resolve array tool arguments #64

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Merged
merged 1 commit into from
Jul 4, 2025
Merged

fix: resolve array tool arguments #64

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2 changes: 1 addition & 1 deletion fixtures/Tool/ToolArray.php
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Original file line number Diff line number Diff line change
Expand Up @@ -13,7 +13,7 @@

use Symfony\AI\Agent\Toolbox\Attribute\AsTool;

#[AsTool('tool_no_params', 'A tool without parameters')]
#[AsTool('tool_array', 'A tool with array parameters')]
final class ToolArray
{
/**
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3 changes: 2 additions & 1 deletion src/agent/src/Toolbox/ToolCallArgumentResolver.php
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Expand Up @@ -37,7 +37,8 @@ public function resolveArguments(object $tool, Tool $metadata, ToolCall $toolCal
$arguments = [];

foreach ($toolCall->arguments as $name => $value) {
$arguments[$name] = $this->denormalizer->denormalize($value, (string) $parameters[$name]->getType());
$parameterType = (string) $parameters[$name]->getType();
$arguments[$name] = 'array' === $parameterType ? $value : $this->denormalizer->denormalize($value, $parameterType);
}

return $arguments;
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21 changes: 21 additions & 0 deletions src/agent/tests/Toolbox/ToolCallArgumentResolverTest.php
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Expand Up @@ -16,6 +16,7 @@
use PHPUnit\Framework\Attributes\UsesClass;
use PHPUnit\Framework\TestCase;
use Symfony\AI\Agent\Toolbox\ToolCallArgumentResolver;
use Symfony\AI\Fixtures\Tool\ToolArray;
use Symfony\AI\Fixtures\Tool\ToolDate;
use Symfony\AI\Platform\Response\ToolCall;
use Symfony\AI\Platform\Tool\ExecutionReference;
Expand All @@ -38,4 +39,24 @@ public function resolveArguments(): void

self::assertEquals(['date' => new \DateTimeImmutable('2025-06-29')], $resolver->resolveArguments($tool, $metadata, $toolCall));
}

#[Test]
public function resolveScalarArrayArguments(): void
{
$resolver = new ToolCallArgumentResolver();

$tool = new ToolArray();
$metadata = new Tool(new ExecutionReference(ToolArray::class, '__invoke'), 'tool_array', 'A tool with array parameters');
$toolCall = new ToolCall('tool_id_1234', 'tool_array', [
'urls' => ['https://symfony.com', 'https://php.net'],
'ids' => [1, 2, 3],
]);

$expected = [
'urls' => ['https://symfony.com', 'https://php.net'],
'ids' => [1, 2, 3],
];

self::assertSame($expected, $resolver->resolveArguments($tool, $metadata, $toolCall));
}
}