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Informations about the package json-validator
JSON Validator
A JSON Validator that designed to be elegant and easy to use.
Motivation
JSON Validation is a common task in automated API testing, JSON-Schema is complex and not easy to use, so i created this library to simplify the JSON validation process and made JSON validation more elegant and fun.
Features
- JSON Schema validation, useful for automated API testing
- Custom type support, it is possible to define your custom types and reuse it everywhere
- Nullable type support
- More is coming...
Installation
You can install the latest version of JSON validator with the following command:
Documentation
Types
By default, JSON Validator shipped with seven kinds of built-in types:
- integer
- double
- boolean
- string
- number
- array
- object
Besides the built-in types, it is possible to define your custom type via defineType()
method.
The following code snippets shows how we can define custom types through array or callable.
1. Define a composite type
This example defines a custom type named User
, which have four properties. name and gender require be a
string, age requires be an integer but allows to be nullable, and rating required to integer or boolean and allows to be null.
2. Define a list type
This defines UserCollection
to be an array of User
. In order to define a list type, the definition of the type much
contains only one element.
3. Define a type in callable
It is also possible to define a type using a callable, which is useful to perform some validation on the data. Such as the example above defined a timestamp type, that requires the data to be a valid datetime.
Validate a Type
We can validate a type by the following two steps:
1. Create a Validator instance
2. Preform the validation
This example will check whether the given $data
matches the type User
, if validation fails, we can get the error
messages through getErrors()
method.
Strict Mode
In some situations, we may want an object matches our type strictly, we can utilizing strict mode
to achieve this,
the following is the example:
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