Class: Qyu::Concerns::WorkflowDescriptorValidator

Inherits:
Object
  • Object
show all
Defined in:
lib/qyu/models/concerns/workflow_descriptor_validator.rb

Overview

Qyu::Concerns::WorkflowDescriptorValidator

Constant Summary collapse

ALLOWED_KEYS =

TODO: starts_parallel is a the same as starts_manually. The latter will be removed in Qyu v2

%w(queue waits_for starts starts_parallel starts_manually starts_with_params).freeze
DEPRECATED_KEYS = 
%(starts_manually)

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(descriptor) ⇒ WorkflowDescriptorValidator 



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# File 'lib/qyu/models/concerns/workflow_descriptor_validator.rb', line 13

def initialize(descriptor)
  @descriptor = descriptor
  @errors = []
end

Instance Attribute Details

#errors ⇒ Object (readonly)

Returns the value of attribute errors.



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# File 'lib/qyu/models/concerns/workflow_descriptor_validator.rb', line 11

def errors
  @errors
end

Instance Method Details

#valid? ⇒ Boolean

validates a workflow’s descriptor



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# File 'lib/qyu/models/concerns/workflow_descriptor_validator.rb', line 21

def valid?
  validate
  @errors.empty?
end

#validate ⇒ Object 



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# File 'lib/qyu/models/concerns/workflow_descriptor_validator.rb', line 26

def validate
  @errors << 'Descriptor type must be a Hash.' unless validate_descriptor_type
  @errors << 'Entry points (starts) must be an Array.' unless validate_entry_points_type
  @errors << 'Tasks must be a Hash.' unless validate_tasks_type
  unless validate_entry_points_presence
    @errors << 'There must be at least 1 entry point, and all entry points must exist in the tasks Hash.'
  end
  @errors << 'There must be at least 1 task in the tasks Hash.' unless validate_tasks_presence

  tasks.keys.each do |task_name|
    unless validate_queue_presence(task_name)
      @errors << "#{task_name} must have a valid queue"
    end
    unless validate_task_keys(task_name)
      @errors << "#{task_name} must only contain the following keys: #{ALLOWED_KEYS}"
    end
    unless validate_task_reference_formats(task_name)
      @errors << "#{task_name} must follow the reference declaration format"
    end
    unless validate_referenced_tasks(task_name)
      @errors << "#{task_name} must list existing tasks in its references"
    end
    unless validate_sync_condition_params(task_name)
      @errors << "#{task_name} must pass the correct parameters to the sync task"
    end
  end
rescue => ex
  Qyu.logger.error "Error while validation: #{ex.class}: #{ex.message}"
  Qyu.logger.error "Backtrace: #{ex.backtrace.join("\n")}"
  @errors << "#{ex.class}: #{ex.message}"
end