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davishmcclurg
array not required returns the message: "1 item required; only 0 were given" in the json schema
I'm using Ruby + Cucumber to write my tests, and Json Schema to validate the contract of the APIs I'm testing.
I configured the json schema and it looked like this:
{
"$schema": "http://json-schema.org/draft-04/schema#",
"type": "object",
"properties": {
"data": {
"type": "object",
"properties": {
"id": {
"type": "string"
},
"organisationId": {
"type": "string"
},
"clientId": {
"type": "string"
},
"issuer": {
"oneOf": [
{
"type": "string"
},
{
"type": "null"
}
]
},
"createdDate": {
"type": "string",
"format": "date-time"
},
"lastModifiedDate": {
"type": "string",
"format": "date-time"
},
"consentId": {
"type": "string"
},
"internalStatus": {
"type": "string",
"enum": [
"AUTHORISED",
"AWAITING_AUTHORISATION",
"REJECTED",
"TIMEOUT_EXPIRED",
"OVERDUE",
"REVOKED"
]
},
"permissions": {
"type": "array",
"items": [
{
"type": "string"
}
]
},
"approverType": {
"type": "string",
"enum": [
"AND",
"OR"
]
},
"status": {
"type": "string",
"enum": [
"AUTHORISED",
"AWAITING_AUTHORISATION",
"REJECTED",
"REVOKED",
"CONSUMED"
]
},
"statusUpdateDateTime": {
"type": "string",
"format": "date-time"
},
"expirationDateTime": {
"type": "string",
"format": "date-time"
},
"resourceGroups": {
"uniqueItems": true,
"oneOf": [
{
"type": "array"
},
{
"type": "null"
}
],
"items": [
{
"type": "object",
"properties": {
"resourceGroupId": {
"type": "integer"
},
"permissions": {
"type": "array",
"items": [
{
"type": "string"
}
]
},
"resources": {
"type": "array",
"uniqueItems": true,
"items": [
{
"type": "object",
"properties": {
"status": {
"type": "string",
"enum": [
"AVAILABLE",
"UNAVAILABLE",
"TEMPORARY_UNAVAILABLE",
"PENDING_AUTHORISATION"
]
},
"additionalInfos": {
"type": "array",
"items": [
{
"type": "object",
"properties": {
"key": {
"type": "string"
},
"value": {
"type": "string"
}
}
}
]
},
"type": {
"type": "string",
"enum": [
"CUSTOMERS_PERSONAL_IDENTIFICATIONS",
"CUSTOMERS_PERSONAL_QUALIFICATION",
"CUSTOMERS_PERSONAL_ADITTIONALINFO",
"CUSTOMERS_BUSINESS_IDENTIFICATIONS",
"CUSTOMERS_BUSINESS_QUALIFICATION",
"CUSTOMERS_BUSINESS_ADITTIONALINFO",
"CAPITALIZATION_TITLES",
"PENSION",
"DAMAGES_AND_PEOPLE_PATRIMONIAL",
"DAMAGES_AND_PEOPLE_AERONAUTICAL",
"DAMAGES_AND_PEOPLE_NAUTICAL",
"DAMAGES_AND_PEOPLE_NUCLEAR",
"DAMAGES_AND_PEOPLE_OIL",
"DAMAGES_AND_PEOPLE_RESPONSABILITY",
"DAMAGES_AND_PEOPLE_TRANSPORT",
"DAMAGES_AND_PEOPLE_FINANCIAL_RISKS",
"DAMAGES_AND_PEOPLE_RURAL",
"DAMAGES_AND_PEOPLE_AUTO",
"DAMAGES_AND_PEOPLE_HOUSING",
"DAMAGES_AND_PEOPLE_PEOPLE",
"DAMAGES_AND_PEOPLE_ACCEPTANCE_AND_BRANCHES_ABROAD"
]
},
"hidden": {
"type": "boolean"
},
"resourceId": {
"type": "string"
}
}
}
]
},
"additionalInfos": {
"type": "array",
"items": [
{
"type": "object",
"properties": {
"key": {
"type": "string"
},
"value": {
"type": "string"
}
}
}
]
},
"type": {
"type": "string",
"enum": [
"ACCOUNT",
"CREDIT_CARD_ACCOUNT",
"LOAN",
"INVOICE_FINANCING",
"UNARRANGED_ACCOUNT_OVERDRAFT",
"FINANCING",
"RESOURCE",
"CUSTOMER"
]
}
},
"required": [
"permissions",
"type"
]
}
]
},
"approvers": {
"type": "array",
"items": [
{
"type": "object",
"properties": {
"status": {
"type": "string",
"enum": [
"AUTHORISED",
"AWAITING_AUTHORISATION",
"REJECTED",
"REVOKED",
"CONSUMED"
]
},
"approverId": {
"type": "string"
}
},
"required": [
"approverId"
]
}
]
},
"loggedUser": {
"type": "object",
"properties": {
"document": {
"type": "object",
"properties": {
"identification": {
"type": "string"
},
"rel": {
"type": "string"
}
},
"required": [
"identification",
"rel"
]
}
},
"required": [
"document"
]
},
"businessEntity": {
"type": "object",
"properties": {
"document": {
"type": "object",
"properties": {
"identification": {
"type": "string"
},
"rel": {
"type": "string"
}
},
"required": [
"identification",
"rel"
]
}
},
"required": [
"document"
]
}
},
"required": [
"organisationId",
"clientId",
"consentId",
"permissions",
"approverType",
"status",
"statusUpdateDateTime",
"expirationDateTime",
"loggedUser"
]
},
"links": {
"type": "object",
"properties": {
"self": {
"type": "string"
},
"first": {
"type": "string"
},
"prev": {
"type": "string"
},
"next": {
"type": "string"
},
"last": {
"type": "string"
}
},
"required": [
"self"
]
},
"meta": {
"type": "object",
"properties": {
"totalRecords": {
"type": "integer"
},
"totalPages": {
"type": "integer"
}
},
"required": [
"totalRecords",
"totalPages"
]
}
}
}
Note that the "resources" array is not required, it is not mandatory.
However... when I run my test and it returns an empty array in "resources":
"resourceGroupId":1,
"permissions":[
"CUSTOMERS_PERSONAL_QUALIFICATION_READ",
"CUSTOMERS_PERSONAL_IDENTIFICATIONS_READ"
],
"resources":[],
"type":"CUSTOMER"
}
I get the following message:
"#/data/resourceGroups/0/resources: failed schema #/properties/data/properties/resourceGroups/items/0/properties/resources: 1 item required; only 0 were supplied."
I don't understand how 1 item is required if the array is not required.
and still have( "uniqueItems": true )
which in theory would accept a [] in the return, according to the Json schema documentation.
I've tried passing minItems=0 and many other things and nothing has worked.
PS: I already tried other versions draft-06, 07...the same error is presented.
To make it clear, the problem is that the "resources" array even without any mandatory attributes inside it, in the validation of the json schema it returns this error message demanding that at least one item be returned, that is, it does not accept an empty array, even in a non-mandatory field.
to share knowledge with anyone who may be interested... This stackoverflow answer solved it for me:
https://stackoverflow.com/questions/73374808/array-not-required-returns-the-message-1-item-required-only-0-were-given-in/73382238#73382238
Hi @valeriaA—thanks for opening the issue. I'm having trouble reproducing it, though. Do you have a pared down example I could use? Here's my attempt:
?> schema = {
?> "type" => "object",
?> "properties" => {
?> "resources" => {
?> "type" => "array",
?> "uniqueItems" => true,
?> "items" => [
?> {
?> "type" => "object"
?> }
?> ]
?> }
?> }
>> }
=> {"type"=>"object", "properties"=>{"resources"=>{"type"=>"array", "uniqueItems"=>true, "items"=>[{"type"=>"object"}]}}}
>>
>> JSONSchemer.schema(schema).valid?({ "resources" => [] })
=> true
>>
>> JSONSchemer.schema(schema).valid?({ "resources" => [{}] })
=> true
>>
>> JSONSchemer.schema(schema).valid?({ "resources" => ["invalid"] })
=> false
It seems to allow an empty resources array.
"1 item required; only 0 were supplied." also doesn't look like an error message from this library. Do you know where those errors are coming from?
