Module: Vignette

Defined in:
lib/vignette.rb,
lib/vignette/version.rb

Defined Under Namespace

Modules: Errors

Constant Summary collapse

VERSION = 
"0.0.18"

Class Method Summary collapse

Class Method Details

.active? ⇒ Boolean

Is Vignette active for this thread (i.e. do we have a repo?)

Returns:

  • (Boolean) 


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# File 'lib/vignette.rb', line 65

def self.active?
  !Thread.current[:vignette_repo].nil?
end

.clear_repo ⇒ Object

Clears the current repo on this thread



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# File 'lib/vignette.rb', line 48

def self.clear_repo
  set_repo(nil, nil)
end

.force_choice ⇒ Object

Get the force_choice for this thread

Raises:



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# File 'lib/vignette.rb', line 77

def self.force_choice
  raise Errors::ConfigError.new("Repo not active, please call Vignette.set_repo before using Vignette (or use around_filter in Rails)") if !active?

  Thread.current[:vignette_force_choice]
end

.init(opts = {}) ⇒ Object

Set any initializers



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# File 'lib/vignette.rb', line 35

def self.init(opts={})
  opts.each do |k,v|
    Vignette.send("#{k}=", v)
  end
end

.repo ⇒ Object

Get the repo for this thread

Raises:



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# File 'lib/vignette.rb', line 70

def self.repo
  raise Errors::ConfigError.new("Repo not active, please call Vignette.set_repo before using Vignette (or use around_filter in Rails)") if !active?

  Thread.current[:vignette_repo]
end

.set_repo(repo, force_choice = nil) ⇒ Object

Sets the current repo to be used to get and store tests for this thread



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# File 'lib/vignette.rb', line 42

def self.set_repo(repo, force_choice=nil)
  Thread.current[:vignette_repo] = repo
  Thread.current[:vignette_force_choice] = force_choice
end

.set_vig(vig) ⇒ Object

For this repo, store an update Vig



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# File 'lib/vignette.rb', line 91

def self.set_vig(vig)
  repo[:v] = vig.to_json
end

.tests(vig = nil) ⇒ Object

Pull all the tests for this current repo



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# File 'lib/vignette.rb', line 96

def self.tests(vig=nil)
  vig ||= Vignette.vig

  name_values = vig.values.map { |v| [ v['n'], [ v['t'], v['v'] ] ] }.group_by { |el| el[0] }

  arr = name_values.map { |k,v| [ k.to_s.to_sym, v.sort { |a,b| b[1][0] <=> a[1][0] }.first[1][1] ] }

  Hash[arr]
end

.vig(repo = nil) ⇒ Object

From the repo (default whatever is set for the thread), grab Vignettes’ repo and unpack



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# File 'lib/vignette.rb', line 84

def self.vig(repo=nil)
  repo ||= Vignette.repo # allow using existing

  repo && repo[:v].present? ? JSON(repo[:v]) : {}
end

.with_repo(repo, force_choice = nil) ⇒ Object

Performs block with repo set to ‘repo` for this thread Force choice will be automatically selected if given



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# File 'lib/vignette.rb', line 54

def self.with_repo(repo, force_choice=nil)
  begin
    Vignette.set_repo(repo, force_choice)

    yield
  ensure
    Vignette.clear_repo
  end
end