Class: DataPackage::DataPackageValidator

Inherits:
Validator
  • Object
show all
Defined in:
lib/datapackage/validator.rb

Overview

Extends base class with some additional checks for DataPackage conformance.

These include some warnings about missing metadata elements and an existence check for all resources

Direct Known Subclasses

SimpleDataFormatValidator

Instance Attribute Summary

Attributes inherited from Validator

#messages

Instance Method Summary collapse

Methods inherited from Validator

create, #valid?, #validate

Constructor Details

#initialize(schema_name = :datapackage, opts = {}) ⇒ DataPackageValidator

Returns a new instance of DataPackageValidator.



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# File 'lib/datapackage/validator.rb', line 102

def initialize(schema_name=:datapackage, opts={})
    super(:datapackage, opts)
end

Instance Method Details

#validate_metadata(package) ⇒ Object 



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# File 'lib/datapackage/validator.rb', line 106

def validate_metadata(package)
    #not required, but recommended
    prefix = "The package does not include a"
    add_warning( :metadata, "#{prefix} 'licenses' property", "#/") if package.licenses.empty?
    add_warning( :metadata, "#{prefix} 'datapackage_version' property", "#/") unless package.datapackage_version
    add_warning( :integrity, "#{prefix} README.md file" ) unless package.resource_exists?( package.resolve("README.md") ) 
end

#validate_resource(package, resource, path) ⇒ Object 



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# File 'lib/datapackage/validator.rb', line 114

def validate_resource( package, resource, path )
    if !package.resource_exists?( package.resolve_resource( resource ) )
        add_error( :integrity, "Missing resource #{resource["url"] || resource["path"]}", path)
    end            
end