equalish

Equalish is a gem that allows you to define certain fields on objects as "canonical", along with an array of data that is considered equivalent to the canonical object's data for that field.

Installing

• Clone this repo
• cd equalish
• bundle install

Tests

┌─[charris@Hephaestus2] - [~/src/equalish] - [Tue Sep 17, 06:37]
└─[$] <git:(master)> cd equalish
┌─[charris@Hephaestus2] - [~/src/equalish/equalish] - [Tue Sep 17, 06:37]
└─[$] <git:(master)> rake test
Run options: --seed 38679

# Running:

...

Finished in 0.000744s, 4032.2906 runs/s, 2688.1937 assertions/s.

3 runs, 2 assertions, 0 failures, 0 errors, 0 skips

Example

class SomeCanonicalModel
  extends ::Equalish::Models::Canonical

  canonicalize :some_field, "canonical data string" do
    ['this is acceptable', 'this is also acceptable']
  end
end

class MyOtherModel
  attr_accessor :some_field
  
  def initialize(some_field:)
    @some_field = some_field
  end
end

equivocal_model = MyOtherModel.new(some_field: 'this is acceptable')
not_equivocal = MyOtherModel.new(some_field: 'totally not acceptable'')

#returns true
SomeCanonicalModel.is_canonical_for?(equivocal_model)

#returns false
SomeCanonicalModel.is_canonical_for?(not_equivocal)