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Merged
mcnulty-fp merged 6 commits into from
May 15, 2026
Merged

chore: add support for non-discriminator, oneOf query parameters #216

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f0eb855
chore: add support for non-discriminator, oneOf request parameters
mcnulty-fp May 14, 2026
14c2e5b
chore: generated updates to ObjectSerializer
mcnulty-fp May 14, 2026
d27e5c4
chore: fix reference for discriminator oneOf parameters
mcnulty-fp May 14, 2026
0d8a33c
chore: fix issue with 0 value for `int|\DateTime` parameter
mcnulty-fp May 14, 2026
cccd92c
test: add unit tests for toQueryValue updates
mcnulty-fp May 14, 2026
ff60c41
chore: update ObjectSerializer template
mcnulty-fp May 14, 2026
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9 changes: 8 additions & 1 deletion src/ObjectSerializer.php
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Original file line number Diff line number Diff line change
Expand Up @@ -191,6 +191,13 @@ public static function toQueryValue(
return [];
}

# Handle int and DateTime union in query
if ('int|\DateTime' === $openApiType || '\DateTime|int' === $openApiType) {
if ($value instanceof \DateTime) {
return ["$paramName" => $value->format(self::$dateTimeFormat)];
}
}
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# Handle DateTime objects in query
if ('\DateTime' === $openApiType && $value instanceof \DateTime) {
return ["$paramName" => $value->format(self::$dateTimeFormat)];
Expand Down Expand Up @@ -546,7 +553,7 @@ private static function isEmptyValue(mixed $value, string $openApiType): bool
# For numeric values, false and '' are considered empty.
# This comparison is safe for floating point values, since the previous call to empty() will
# filter out values that don't match 0.
'int', 'integer' => 0 !== $value,
'int', 'integer', 'int|\DateTime', '\DateTime|int' => 0 !== $value,
'number', 'float' => 0 !== $value && 0.0 !== $value,
# For boolean values, '' is considered empty
'bool', 'boolean' => !in_array($value, [false, 0], true),
Expand Down
9 changes: 8 additions & 1 deletion template/ObjectSerializer.mustache
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Expand Up @@ -166,7 +166,7 @@ class ObjectSerializer
# For numeric values, false and '' are considered empty.
# This comparison is safe for floating point values, since the previous call to empty() will
# filter out values that don't match 0.
'int', 'integer' => 0 !== $value,
'int', 'integer', 'int|\DateTime', '\DateTime|int' => 0 !== $value,
'number', 'float' => 0 !== $value && 0.0 !== $value,
# For boolean values, '' is considered empty
'bool', 'boolean' => !in_array($value, [false, 0], true),
Expand Down Expand Up @@ -211,6 +211,13 @@ class ObjectSerializer
}
}

# Handle int and DateTime union in query
if ('int|\DateTime' === $openApiType || '\DateTime|int' === $openApiType) {
if ($value instanceof \DateTime) {
return ["$paramName" => $value->format(self::$dateTimeFormat)];
}
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}

# Handle DateTime objects in query
if ('\DateTime' === $openApiType && $value instanceof \DateTime) {
return ["$paramName" => $value->format(self::$dateTimeFormat)];
Expand Down
4 changes: 2 additions & 2 deletions template/README.mustache
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Expand Up @@ -235,8 +235,8 @@ Class | Method | HTTP request | Description

## Documentation for Models

{{#models}}{{#model}} - [{{{classname}}}]({{modelDocPath}}/{{{classname}}}.md)
{{/model}}{{/models}}
{{#models}}{{#model}}{{^emptyVars}} - [{{{classname}}}]({{modelDocPath}}/{{{classname}}}.md)
{{/emptyVars}}{{/model}}{{/models}}

## Documentation for Authorization

Expand Down
20 changes: 10 additions & 10 deletions template/api.mustache
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Expand Up @@ -95,7 +95,7 @@ use {{invokerPackage}}\ObjectSerializer;
*
{{/description}}
{{#allParams}}
* @param {{{dataType}}}{{^required}}|null{{/required}} ${{paramName}}{{#description}} {{{.}}}{{/description}}{{^description}} {{paramName}}{{/description}} {{#required}}(required){{/required}}{{^required}}(optional{{#defaultValue}}, default to {{{.}}}{{/defaultValue}}){{/required}}{{#isDeprecated}} (deprecated){{/isDeprecated}}
* @param {{^composedSchemas.oneOf}}{{{dataType}}}{{/composedSchemas.oneOf}}{{#composedSchemas.oneOf}}{{#-first}}{{^hasDiscriminatorWithNonEmptyMapping}}{{{schema.dataType}}}{{/hasDiscriminatorWithNonEmptyMapping}}{{#hasDiscriminatorWithNonEmptyMapping}}{{{schema.complexType}}}{{/hasDiscriminatorWithNonEmptyMapping}}{{/-first}}{{/composedSchemas.oneOf}}{{^required}}|null{{/required}} ${{paramName}}{{#description}} {{{.}}}{{/description}}{{^description}} {{paramName}}{{/description}} {{#required}}(required){{/required}}{{^required}}(optional{{#defaultValue}}, default to {{{.}}}{{/defaultValue}}){{/required}}{{#isDeprecated}} (deprecated){{/isDeprecated}}
{{/allParams}}
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*
* @noinspection GrazieInspection
Expand All @@ -108,7 +108,7 @@ use {{invokerPackage}}\ObjectSerializer;
* @deprecated
{{/isDeprecated}}
*/
public function {{operationId}}({{#allParams}}{{#isArray}}array{{/isArray}}{{#isMap}}array{{/isMap}}{{^isArray}}{{^isMap}}{{{dataType}}}{{/isMap}}{{/isArray}} ${{paramName}}{{^required}} = {{#defaultValue}}{{{.}}}{{/defaultValue}}{{^defaultValue}}null{{/defaultValue}}{{/required}}{{^-last}}, {{/-last}}{{/allParams}}): {{#returnType}}{{{returnType}}}{{/returnType}}{{^returnType}}void{{/returnType}}
public function {{operationId}}({{#allParams}}{{#isArray}}array{{/isArray}}{{#isMap}}array{{/isMap}}{{^isArray}}{{^isMap}}{{^composedSchemas.oneOf}}{{{dataType}}}{{/composedSchemas.oneOf}}{{#composedSchemas.oneOf}}{{#-first}}{{^hasDiscriminatorWithNonEmptyMapping}}{{{schema.dataType}}}{{/hasDiscriminatorWithNonEmptyMapping}}{{#hasDiscriminatorWithNonEmptyMapping}}{{{schema.complexType}}}{{/hasDiscriminatorWithNonEmptyMapping}}{{/-first}}{{/composedSchemas.oneOf}}{{/isMap}}{{/isArray}} ${{paramName}}{{^required}} = {{#defaultValue}}{{{.}}}{{/defaultValue}}{{^defaultValue}}null{{/defaultValue}}{{/required}}{{^-last}}, {{/-last}}{{/allParams}}): {{#returnType}}{{{returnType}}}{{/returnType}}{{^returnType}}void{{/returnType}}
{
{{#returnType}}list($response) = {{/returnType}}$this->{{operationId}}WithHttpInfo({{#allParams}}${{paramName}}, {{/allParams}});{{#returnType}}
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return $response;{{/returnType}}
Expand All @@ -126,7 +126,7 @@ use {{invokerPackage}}\ObjectSerializer;
*
{{/description}}
{{#allParams}}
* @param {{{dataType}}}{{#notRequiredOrIsNullable}}|null{{/notRequiredOrIsNullable}} ${{paramName}}{{#description}} {{{.}}}{{/description}} {{#required}}(required){{/required}}{{^required}}(optional{{#defaultValue}}, default to {{{.}}}{{/defaultValue}}){{/required}}{{#isDeprecated}} (deprecated){{/isDeprecated}}
* @param {{^composedSchemas.oneOf}}{{{dataType}}}{{/composedSchemas.oneOf}}{{#composedSchemas.oneOf}}{{#-first}}{{^hasDiscriminatorWithNonEmptyMapping}}{{{schema.dataType}}}{{/hasDiscriminatorWithNonEmptyMapping}}{{#hasDiscriminatorWithNonEmptyMapping}}{{{schema.complexType}}}{{/hasDiscriminatorWithNonEmptyMapping}}{{/-first}}{{/composedSchemas.oneOf}}{{#notRequiredOrIsNullable}}|null{{/notRequiredOrIsNullable}} ${{paramName}}{{#description}} {{{.}}}{{/description}} {{#required}}(required){{/required}}{{^required}}(optional{{#defaultValue}}, default to {{{.}}}{{/defaultValue}}){{/required}}{{#isDeprecated}} (deprecated){{/isDeprecated}}
{{/allParams}}
*
* @noinspection GrazieInspection
Expand All @@ -141,7 +141,7 @@ use {{invokerPackage}}\ObjectSerializer;
* @deprecated
{{/isDeprecated}}
*/
public function {{operationId}}WithHttpInfo({{#allParams}}{{#isArray}}array{{/isArray}}{{#isMap}}array{{/isMap}}{{^isArray}}{{^isMap}}{{{dataType}}}{{/isMap}}{{/isArray}} ${{paramName}}{{^required}} = {{#defaultValue}}{{{.}}}{{/defaultValue}}{{^defaultValue}}null{{/defaultValue}}{{/required}}{{^-last}}, {{/-last}}{{/allParams}}): array
public function {{operationId}}WithHttpInfo({{#allParams}}{{#isArray}}array{{/isArray}}{{#isMap}}array{{/isMap}}{{^isArray}}{{^isMap}}{{^composedSchemas.oneOf}}{{{dataType}}}{{/composedSchemas.oneOf}}{{#composedSchemas.oneOf}}{{#-first}}{{^hasDiscriminatorWithNonEmptyMapping}}{{{schema.dataType}}}{{/hasDiscriminatorWithNonEmptyMapping}}{{#hasDiscriminatorWithNonEmptyMapping}}{{{schema.complexType}}}{{/hasDiscriminatorWithNonEmptyMapping}}{{/-first}}{{/composedSchemas.oneOf}}{{/isMap}}{{/isArray}} ${{paramName}}{{^required}} = {{#defaultValue}}{{{.}}}{{/defaultValue}}{{^defaultValue}}null{{/defaultValue}}{{/required}}{{^-last}}, {{/-last}}{{/allParams}}): array
{
$request = $this->{{operationId}}Request({{#allParams}}${{paramName}}, {{/allParams}});

Expand Down Expand Up @@ -206,7 +206,7 @@ use {{invokerPackage}}\ObjectSerializer;
*
{{/description}}
{{#allParams}}
* @param {{{dataType}}}{{#notRequiredOrIsNullable}}|null{{/notRequiredOrIsNullable}} ${{paramName}}{{#description}} {{{.}}}{{/description}} {{#required}}(required){{/required}}{{^required}}(optional{{#defaultValue}}, default to {{{.}}}{{/defaultValue}}){{/required}}{{#isDeprecated}} (deprecated){{/isDeprecated}}
* @param {{^composedSchemas.oneOf}}{{{dataType}}}{{/composedSchemas.oneOf}}{{#composedSchemas.oneOf}}{{#-first}}{{^hasDiscriminatorWithNonEmptyMapping}}{{{schema.dataType}}}{{/hasDiscriminatorWithNonEmptyMapping}}{{#hasDiscriminatorWithNonEmptyMapping}}{{{schema.complexType}}}{{/hasDiscriminatorWithNonEmptyMapping}}{{/-first}}{{/composedSchemas.oneOf}}{{#notRequiredOrIsNullable}}|null{{/notRequiredOrIsNullable}} ${{paramName}}{{#description}} {{{.}}}{{/description}} {{#required}}(required){{/required}}{{^required}}(optional{{#defaultValue}}, default to {{{.}}}{{/defaultValue}}){{/required}}{{#isDeprecated}} (deprecated){{/isDeprecated}}
{{/allParams}}
*
* @noinspection GrazieInspection
Expand All @@ -218,7 +218,7 @@ use {{invokerPackage}}\ObjectSerializer;
* @deprecated
{{/isDeprecated}}
*/
public function {{operationId}}Async({{#allParams}}{{#isArray}}array{{/isArray}}{{#isMap}}array{{/isMap}}{{^isArray}}{{^isMap}}{{{dataType}}}{{/isMap}}{{/isArray}} ${{paramName}}{{^required}} = {{#defaultValue}}{{{.}}}{{/defaultValue}}{{^defaultValue}}null{{/defaultValue}}{{/required}}{{^-last}}, {{/-last}}{{/allParams}}): PromiseInterface
public function {{operationId}}Async({{#allParams}}{{#isArray}}array{{/isArray}}{{#isMap}}array{{/isMap}}{{^isArray}}{{^isMap}}{{^composedSchemas.oneOf}}{{{dataType}}}{{/composedSchemas.oneOf}}{{#composedSchemas.oneOf}}{{#-first}}{{^hasDiscriminatorWithNonEmptyMapping}}{{{schema.dataType}}}{{/hasDiscriminatorWithNonEmptyMapping}}{{#hasDiscriminatorWithNonEmptyMapping}}{{{schema.complexType}}}{{/hasDiscriminatorWithNonEmptyMapping}}{{/-first}}{{/composedSchemas.oneOf}}{{/isMap}}{{/isArray}} ${{paramName}}{{^required}} = {{#defaultValue}}{{{.}}}{{/defaultValue}}{{^defaultValue}}null{{/defaultValue}}{{/required}}{{^-last}}, {{/-last}}{{/allParams}}): PromiseInterface
{
return $this->{{operationId}}AsyncWithHttpInfo({{#allParams}}${{paramName}}, {{/allParams}})
->then(
Expand All @@ -240,7 +240,7 @@ use {{invokerPackage}}\ObjectSerializer;
*
{{/description}}
{{#allParams}}
* @param {{{dataType}}}{{#notRequiredOrIsNullable}}|null{{/notRequiredOrIsNullable}} ${{paramName}}{{#description}} {{{.}}}{{/description}} {{#required}}(required){{/required}}{{^required}}(optional{{#defaultValue}}, default to {{{.}}}{{/defaultValue}}){{/required}}{{#isDeprecated}} (deprecated){{/isDeprecated}}
* @param {{^composedSchemas.oneOf}}{{{dataType}}}{{/composedSchemas.oneOf}}{{#composedSchemas.oneOf}}{{#-first}}{{^hasDiscriminatorWithNonEmptyMapping}}{{{schema.dataType}}}{{/hasDiscriminatorWithNonEmptyMapping}}{{#hasDiscriminatorWithNonEmptyMapping}}{{{schema.complexType}}}{{/hasDiscriminatorWithNonEmptyMapping}}{{/-first}}{{/composedSchemas.oneOf}}{{#notRequiredOrIsNullable}}|null{{/notRequiredOrIsNullable}} ${{paramName}}{{#description}} {{{.}}}{{/description}} {{#required}}(required){{/required}}{{^required}}(optional{{#defaultValue}}, default to {{{.}}}{{/defaultValue}}){{/required}}{{#isDeprecated}} (deprecated){{/isDeprecated}}
{{/allParams}}
*
* @noinspection GrazieInspection
Expand All @@ -252,7 +252,7 @@ use {{invokerPackage}}\ObjectSerializer;
* @deprecated
{{/isDeprecated}}
*/
public function {{operationId}}AsyncWithHttpInfo({{#allParams}}{{#isArray}}array{{/isArray}}{{#isMap}}array{{/isMap}}{{^isArray}}{{^isMap}}{{{dataType}}}{{/isMap}}{{/isArray}} ${{paramName}}{{^required}} = {{#defaultValue}}{{{.}}}{{/defaultValue}}{{^defaultValue}}null{{/defaultValue}}{{/required}}{{^-last}}, {{/-last}}{{/allParams}}): PromiseInterface
public function {{operationId}}AsyncWithHttpInfo({{#allParams}}{{#isArray}}array{{/isArray}}{{#isMap}}array{{/isMap}}{{^isArray}}{{^isMap}}{{^composedSchemas.oneOf}}{{{dataType}}}{{/composedSchemas.oneOf}}{{#composedSchemas.oneOf}}{{#-first}}{{^hasDiscriminatorWithNonEmptyMapping}}{{{schema.dataType}}}{{/hasDiscriminatorWithNonEmptyMapping}}{{#hasDiscriminatorWithNonEmptyMapping}}{{{schema.complexType}}}{{/hasDiscriminatorWithNonEmptyMapping}}{{/-first}}{{/composedSchemas.oneOf}}{{/isMap}}{{/isArray}} ${{paramName}}{{^required}} = {{#defaultValue}}{{{.}}}{{/defaultValue}}{{^defaultValue}}null{{/defaultValue}}{{/required}}{{^-last}}, {{/-last}}{{/allParams}}): PromiseInterface
{
$request = $this->{{operationId}}Request({{#allParams}}${{paramName}}, {{/allParams}});

Expand Down Expand Up @@ -283,7 +283,7 @@ use {{invokerPackage}}\ObjectSerializer;
* Create request for operation '{{{operationId}}}'
*
{{#allParams}}
* @param {{{dataType}}}{{#notRequiredOrIsNullable}}|null{{/notRequiredOrIsNullable}} ${{paramName}}{{#description}} {{{.}}}{{/description}} {{#required}}(required){{/required}}{{^required}}(optional{{#defaultValue}}, default to {{{.}}}{{/defaultValue}}){{/required}}{{#isDeprecated}} (deprecated){{/isDeprecated}}
* @param {{^composedSchemas.oneOf}}{{{dataType}}}{{/composedSchemas.oneOf}}{{#composedSchemas.oneOf}}{{#-first}}{{^hasDiscriminatorWithNonEmptyMapping}}{{{schema.dataType}}}{{/hasDiscriminatorWithNonEmptyMapping}}{{#hasDiscriminatorWithNonEmptyMapping}}{{{schema.complexType}}}{{/hasDiscriminatorWithNonEmptyMapping}}{{/-first}}{{/composedSchemas.oneOf}}{{#notRequiredOrIsNullable}}|null{{/notRequiredOrIsNullable}} ${{paramName}}{{#description}} {{{.}}}{{/description}} {{#required}}(required){{/required}}{{^required}}(optional{{#defaultValue}}, default to {{{.}}}{{/defaultValue}}){{/required}}{{#isDeprecated}} (deprecated){{/isDeprecated}}
{{/allParams}}
*
* @noinspection GrazieInspection
Expand All @@ -295,7 +295,7 @@ use {{invokerPackage}}\ObjectSerializer;
* @deprecated
{{/isDeprecated}}
*/
public function {{operationId}}Request({{#allParams}}{{#isArray}}array{{/isArray}}{{#isMap}}array{{/isMap}}{{^isArray}}{{^isMap}}{{{dataType}}}{{/isMap}}{{/isArray}} ${{paramName}}{{^required}} = {{#defaultValue}}{{{.}}}{{/defaultValue}}{{^defaultValue}}null{{/defaultValue}}{{/required}}{{^-last}}, {{/-last}}{{/allParams}}): Request
public function {{operationId}}Request({{#allParams}}{{#isArray}}array{{/isArray}}{{#isMap}}array{{/isMap}}{{^isArray}}{{^isMap}}{{^composedSchemas.oneOf}}{{{dataType}}}{{/composedSchemas.oneOf}}{{#composedSchemas.oneOf}}{{#-first}}{{^hasDiscriminatorWithNonEmptyMapping}}{{{schema.dataType}}}{{/hasDiscriminatorWithNonEmptyMapping}}{{#hasDiscriminatorWithNonEmptyMapping}}{{{schema.complexType}}}{{/hasDiscriminatorWithNonEmptyMapping}}{{/-first}}{{/composedSchemas.oneOf}}{{/isMap}}{{/isArray}} ${{paramName}}{{^required}} = {{#defaultValue}}{{{.}}}{{/defaultValue}}{{^defaultValue}}null{{/defaultValue}}{{/required}}{{^-last}}, {{/-last}}{{/allParams}}): Request
{
{{#allParams}}
{{#hasValidation}}
Expand Down
4 changes: 2 additions & 2 deletions template/api_doc.mustache
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Expand Up @@ -35,7 +35,7 @@ $apiInstance = new {{classname}}(
new GuzzleHttp\Client()
);

{{#allParams}}${{paramName}} = {{{example}}}; // {{{dataType}}}{{#description}} | {{{.}}}{{/description}}
{{#allParams}}${{paramName}} = {{#composedSchemas.oneOf}}{{#-first}}{{{example}}}{{/-first}}{{/composedSchemas.oneOf}}{{^composedSchemas.oneOf}}{{{example}}}{{/composedSchemas.oneOf}}; // {{^composedSchemas.oneOf}}{{{dataType}}}{{/composedSchemas.oneOf}}{{#composedSchemas.oneOf}}{{#-first}}{{^hasDiscriminatorWithNonEmptyMapping}}{{{schema.dataType}}}{{/hasDiscriminatorWithNonEmptyMapping}}{{#hasDiscriminatorWithNonEmptyMapping}}{{{dataType}}}{{/hasDiscriminatorWithNonEmptyMapping}}{{/-first}}{{/composedSchemas.oneOf}}{{#description}} | {{{.}}}{{/description}}
{{/allParams}}

try {
Expand All @@ -53,7 +53,7 @@ try {

{{^allParams}}This endpoint does not need any parameter.{{/allParams}}{{#allParams}}{{#-last}}| Name | Type | Description | Notes |
| ------------- | ------------- | ------------- | ------------- |{{/-last}}{{/allParams}}
{{#allParams}}| **{{paramName}}** | {{#isFile}}**{{{dataType}}}**{{/isFile}}{{#isPrimitiveType}}**{{{dataType}}}**{{/isPrimitiveType}}{{^isPrimitiveType}}{{^isFile}}[**{{{dataType}}}**](../Model/{{baseType}}.md){{/isFile}}{{/isPrimitiveType}} | {{{description}}} |{{^required}} [optional]{{/required}}{{#defaultValue}} [default to {{.}}]{{/defaultValue}} |
{{#allParams}}| **{{paramName}}** | {{#isFile}}**{{{dataType}}}**{{/isFile}}{{#isPrimitiveType}}**{{{dataType}}}**{{/isPrimitiveType}}{{^isPrimitiveType}}{{^isFile}}{{^composedSchemas.oneOf}}[**{{{dataType}}}**](../Model/{{baseType}}.md){{/composedSchemas.oneOf}}{{#composedSchemas.oneOf}}{{^hasDiscriminatorWithNonEmptyMapping}}{{#-first}}**{{/-first}}{{{dataType}}}{{^-last}}\|{{/-last}}{{#-last}}**{{/-last}}{{/hasDiscriminatorWithNonEmptyMapping}}{{#hasDiscriminatorWithNonEmptyMapping}}{{#-first}}[**{{{dataType}}}**](../Model/{{baseType}}.md){{/-first}}{{/hasDiscriminatorWithNonEmptyMapping}}{{/composedSchemas.oneOf}}{{/isFile}}{{/isPrimitiveType}} | {{{description}}} |{{^required}} [optional]{{/required}}{{#defaultValue}} [default to {{.}}]{{/defaultValue}} |
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{{/allParams}}

### Return type
Expand Down
68 changes: 68 additions & 0 deletions test/ObjectSerializerTest.php
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Expand Up @@ -196,4 +196,72 @@ public function testBuildQueryInvalidEncoding(): void
$this->expectException(\InvalidArgumentException::class);
ObjectSerializer::buildQuery(['key' => 'value'], 'invalid');
}

/**
* toQueryValue with int|\DateTime type should format a DateTime using the current dateTimeFormat.
*/
public function testToQueryValueDateTimeUnionWithDateTime(): void
{
$date = new \DateTime('2024-03-15T12:00:00+00:00');
$result = ObjectSerializer::toQueryValue($date, 'before', 'int|\DateTime');
$this->assertSame(['before' => $date->format(\DateTimeInterface::ATOM)], $result);
}

/**
* toQueryValue with \DateTime|int (reversed) should also format a DateTime correctly.
*/
public function testToQueryValueDateTimeUnionReversedWithDateTime(): void
{
$date = new \DateTime('2024-03-15T12:00:00+00:00');
$result = ObjectSerializer::toQueryValue($date, 'after', '\DateTime|int');
$this->assertSame(['after' => $date->format(\DateTimeInterface::ATOM)], $result);
}

/**
* toQueryValue with int|\DateTime type should pass an integer through as-is.
*/
public function testToQueryValueDateTimeUnionWithInt(): void
{
$result = ObjectSerializer::toQueryValue(1700000000, 'before', 'int|\DateTime');
$this->assertSame(['before' => 1700000000], $result);
}

/**
* toQueryValue with int|\DateTime type should omit a null value when the parameter is not required.
*/
public function testToQueryValueDateTimeUnionNullOptional(): void
{
$result = ObjectSerializer::toQueryValue(null, 'before', 'int|\DateTime', 'form', true, false);
$this->assertSame([], $result);
}

/**
* toQueryValue with int|\DateTime type should return an empty string for a null value when the parameter is required.
*/
public function testToQueryValueDateTimeUnionNullRequired(): void
{
$result = ObjectSerializer::toQueryValue(null, 'before', 'int|\DateTime', 'form', true, true);
$this->assertSame(['before' => ''], $result);
}

/**
* toQueryValue with int|\DateTime type should pass zero through because it should be treated as an integer.
*/
public function testToQueryValueDateTimeUnionZeroOptional(): void
{
$result = ObjectSerializer::toQueryValue(0, 'before', 'int|\DateTime', 'form', true, false);
$this->assertSame(['before' => 0], $result);
}

/**
* toQueryValue with int|\DateTime type should respect a custom dateTimeFormat when formatting a DateTime.
*/
public function testToQueryValueDateTimeUnionCustomFormat(): void
{
$date = new \DateTime('2024-03-15T12:00:00+00:00');
ObjectSerializer::setDateTimeFormat('Y-m-d');
$result = ObjectSerializer::toQueryValue($date, 'before', 'int|\DateTime');
ObjectSerializer::setDateTimeFormat(\DateTimeInterface::ATOM);
$this->assertSame(['before' => '2024-03-15'], $result);
}
}
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