Scalar serialization now throws on spec-incompatible values vs returning null

This commit is contained in:
vladar 2016-10-19 01:23:38 +07:00
parent 0a182ac53c
commit 7625d6abf1
4 changed files with 88 additions and 10 deletions

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@ -799,7 +799,14 @@ class Executor
private static function completeLeafValue(Type $returnType, &$result)
{
Utils::invariant(method_exists($returnType, 'serialize'), 'Missing serialize method on type');
return $returnType->serialize($result);
$serializedResult = $returnType->serialize($result);
if ($serializedResult === null) {
throw new \UnexpectedValueException(
'Expected a value of type "'. $returnType . '" but received: ' . Utils::printSafe($result)
);
}
return $serializedResult;
}
/**

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@ -3,6 +3,7 @@ namespace GraphQL\Type\Definition;
use GraphQL\Language\AST\FloatValue;
use GraphQL\Language\AST\IntValue;
use GraphQL\Utils;
/**
* Class FloatType
@ -47,7 +48,15 @@ values as specified by
*/
private function coerceFloat($value)
{
return is_numeric($value) || $value === true || $value === false ? (float) $value : null;
if ($value === '') {
throw new \UnexpectedValueException(
'Float cannot represent non numeric value: (empty string)'
);
}
if (is_numeric($value) || $value === true || $value === false) {
return (float)$value;
}
throw new \UnexpectedValueException('Float cannot represent non numeric value: ' . Utils::printSafe($value));
}
/**

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@ -3,6 +3,7 @@ namespace GraphQL\Type\Definition;
use GraphQL\Language\AST\IntValue;
use GraphQL\Language\AST\Value;
use GraphQL\Utils;
/**
* Class IntType
@ -54,13 +55,20 @@ values. Int can represent values between -(2^31) and 2^31 - 1. ';
*/
private function coerceInt($value)
{
if ($value === '') {
throw new \UnexpectedValueException(
'Int cannot represent non 32-bit signed integer value: (empty string)'
);
}
if (false === $value || true === $value) {
return (int) $value;
}
if (is_numeric($value) && $value <= self::MAX_INT && $value >= self::MIN_INT) {
return (int) $value;
}
return null;
throw new \UnexpectedValueException(
'Int cannot represent non 32-bit signed integer value: ' . Utils::printSafe($value)
);
}
/**

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@ -15,6 +15,7 @@ class ScalarSerializationTest extends \PHPUnit_Framework_TestCase
$intType = Type::int();
$this->assertSame(1, $intType->serialize(1));
$this->assertSame(123, $intType->serialize('123'));
$this->assertSame(0, $intType->serialize(0));
$this->assertSame(-1, $intType->serialize(-1));
$this->assertSame(0, $intType->serialize(0.1));
@ -23,12 +24,50 @@ class ScalarSerializationTest extends \PHPUnit_Framework_TestCase
$this->assertSame(100000, $intType->serialize(1e5));
// Maybe a safe PHP int, but bigger than 2^32, so not
// representable as a GraphQL Int
$this->assertSame(null, $intType->serialize(9876504321));
$this->assertSame(null, $intType->serialize(-9876504321));
$this->assertSame(null, $intType->serialize(1e100));
$this->assertSame(null, $intType->serialize(-1e100));
try {
$intType->serialize(9876504321);
$this->fail('Expected exception was not thrown');
} catch (\UnexpectedValueException $e) {
$this->assertEquals('Int cannot represent non 32-bit signed integer value: 9876504321', $e->getMessage());
}
try {
$intType->serialize(-9876504321);
$this->fail('Expected exception was not thrown');
} catch (\UnexpectedValueException $e) {
$this->assertEquals('Int cannot represent non 32-bit signed integer value: -9876504321', $e->getMessage());
}
try {
$intType->serialize(1e100);
$this->fail('Expected exception was not thrown');
} catch (\UnexpectedValueException $e) {
$this->assertEquals('Int cannot represent non 32-bit signed integer value: 1.0E+100', $e->getMessage());
}
try {
$intType->serialize(-1e100);
$this->fail('Expected exception was not thrown');
} catch (\UnexpectedValueException $e) {
$this->assertEquals('Int cannot represent non 32-bit signed integer value: -1.0E+100', $e->getMessage());
}
$this->assertSame(-1, $intType->serialize('-1.1'));
$this->assertSame(null, $intType->serialize('one'));
try {
$intType->serialize('one');
$this->fail('Expected exception was not thrown');
} catch (\UnexpectedValueException $e) {
$this->assertEquals('Int cannot represent non 32-bit signed integer value: one', $e->getMessage());
}
try {
$intType->serialize('');
$this->fail('Expected exception was not thrown');
} catch (\UnexpectedValueException $e) {
$this->assertEquals('Int cannot represent non 32-bit signed integer value: (empty string)', $e->getMessage());
}
$this->assertSame(0, $intType->serialize(false));
$this->assertSame(1, $intType->serialize(true));
}
@ -42,12 +81,27 @@ class ScalarSerializationTest extends \PHPUnit_Framework_TestCase
$this->assertSame(1.0, $floatType->serialize(1));
$this->assertSame(0.0, $floatType->serialize(0));
$this->assertSame(123.5, $floatType->serialize('123.5'));
$this->assertSame(-1.0, $floatType->serialize(-1));
$this->assertSame(0.1, $floatType->serialize(0.1));
$this->assertSame(1.1, $floatType->serialize(1.1));
$this->assertSame(-1.1, $floatType->serialize(-1.1));
$this->assertSame(-1.1, $floatType->serialize('-1.1'));
$this->assertSame(null, $floatType->serialize('one'));
try {
$floatType->serialize('one');
$this->fail('Expected exception was not thrown');
} catch (\UnexpectedValueException $e) {
$this->assertEquals('Float cannot represent non numeric value: one', $e->getMessage());
}
try {
$floatType->serialize('');
$this->fail('Expected exception was not thrown');
} catch (\UnexpectedValueException $e) {
$this->assertEquals('Float cannot represent non numeric value: (empty string)', $e->getMessage());
}
$this->assertSame(0.0, $floatType->serialize(false));
$this->assertSame(1.0, $floatType->serialize(true));
}
@ -81,6 +135,6 @@ class ScalarSerializationTest extends \PHPUnit_Framework_TestCase
$this->assertSame(true, $boolType->serialize(true));
$this->assertSame(false, $boolType->serialize(false));
// TODO: how should it behaive on '0'?
// TODO: how should it behave on '0'?
}
}