Writing up some tests for input_helpers

spec/input_helpers_spec.rb

@@ -0,0 +1,58 @@
+require 'spec_helper'
+require 'squib/input_helpers'
+
+class DummyDeck
+  include  Squib::InputHelpers
+  attr_accessor :layout, :cards
+end
+
+module Squib
+  def logger=(l)
+    @logger = l
+  end
+  module_function 'logger='
+end
+
+describe Squib::InputHelpers do
+
+
+  before(:each) do
+    @deck = DummyDeck.new
+    @deck.layout = {'blah' => {x: 25}}
+    @deck.cards = %w(a b)
+  end
+
+  context '#layoutify' do
+    it "should warn on the logger when the layout doesn't exist" do
+      @old_logger = Squib.logger
+      Squib.logger = instance_double(Logger)
+      expect(Squib.logger).to receive(:warn).with("Layout entry 'foo' does not exist.")
+      expect(@deck.send(:layoutify, {layout: :foo})).to eq({layout: :foo}) 
+      Squib.logger = @old_logger
+    end
+
+    it "should apply the layout in a normal situation" do
+      expect(@deck.send(:layoutify, {layout: :blah})).to eq({layout: :blah, x: 25}) 
+    end
+
+    it "also look up based on strings" do
+      expect(@deck.send(:layoutify, {layout: 'blah'})).to eq({layout: 'blah', x: 25}) 
+    end
+  end
+
+  context '#rangeify' do
+    it "must be within the card size range" do
+      expect{@deck.send(:rangeify, {range: 2..3})}.to raise_error(ArgumentError, '2..3 is outside of deck range of 0..1')
+    end
+
+    it "cannot be nil" do
+      expect{@deck.send(:rangeify, {range: nil})}.to raise_error(RuntimeError, 'Range cannot be nil')
+    end
+
+    it "defaults to a range of all cards if :all" do
+      expect(@deck.send(:rangeify, {range: :all})).to eq({range: 0..1})
+    end
+
+  end
+
+end