class_methods_spec.rb in sinclair-1.16.0

- old
+ new

@@ -1,12 +1,21 @@
 # frozen_string_literal: true
 
 require 'spec_helper'
 
 describe Sinclair::Caster::ClassMethods do
-  subject(:caster) { Class.new(Sinclair::Caster) }
+  subject(:caster) { Class.new(superclass) }
 
+  let(:superclass) do
+    Class.new(Sinclair::Caster) do
+      cast_with(:string, :to_s)
+      cast_with(:integer, :to_i)
+      cast_with(:float, :to_f)
+      cast_with(String, :to_s)
+    end
+  end
+
   describe '.cast_with' do
     let(:value)       { instance_double('value', to_p: final_value) }
     let(:final_value) { Random.rand(100) }
 
     context 'when a proc is given' do
@@ -118,9 +127,22 @@
       end
     end
   end
 
   describe '.caster_for' do
+    context 'when nil key is given' do
+      let(:value) { values.sample }
+      let(:values) do
+        [Random.rand, 'some string', { key: 10 }, Object.new, Class.new, [2, 3]]
+      end
+
+      it { expect(caster.caster_for(nil)).to be_a(Sinclair::Caster) }
+
+      it 'returns the default caster' do
+        expect(caster.caster_for(nil).cast(value)).to eq(value)
+      end
+    end
+
     context 'when the key has been defined with a symbol key' do
       before { caster.cast_with(:problem, :to_p) }
 
       it do
         expect(caster.caster_for(:problem))