Some initial tests

.rspec

@@ -0,0 +1,2 @@
+--require spec_helper
+--format=documentation

lib/uk_planning_scraper.rb

@@ -7,4 +7,7 @@ require 'logger'
 module UKPlanningScraper
   class SystemNotSupportedError < StandardError
   end
+  
+  class AuthorityNotFound < StandardError
+  end
 end

lib/uk_planning_scraper/authority.rb

@@ -72,8 +72,9 @@ module UKPlanningScraper
     end
     
     def self.named(name)
-      @@authorities.each { |a| return a if name == a.name }
-      nil
+      authority = @@authorities.find { |a| name == a.name }
+      raise AuthorityNotFound if authority.nil?
+      authority 
     end
 
     # Tagged x
@@ -99,7 +100,7 @@ module UKPlanningScraper
 
     def self.load
       # Don't run this method more than once
-      return unless @@authorities.empty? 
+      return unless @@authorities.empty?
       # FIXME hardcoded file path
       CSV.foreach(File.join(File.dirname(__dir__), 'uk_planning_scraper', 'authorities.csv')) do |line|
         @@authorities << Authority.new(

spec/authority_spec.rb

@@ -0,0 +1,42 @@
+require 'spec_helper'
+
+describe UKPlanningScraper::Authority do
+  
+  describe '#named' do
+    
+    let(:authority) { described_class.named(authority_name) }
+    
+    context 'when authority exists' do
+      let(:authority_name) { 'Westminster' }
+      
+      it 'returns an authority' do
+        expect(authority).to be_a(UKPlanningScraper::Authority)
+      end
+    end
+    
+    context 'when authority does not exist' do
+      let(:authority_name) { 'Westmonster' }
+      
+      it 'raises an error' do
+        expect { authority }.to raise_error(UKPlanningScraper::AuthorityNotFound)
+      end
+    end
+  end
+  
+  describe '#all' do
+    
+    let(:all) { described_class.all }
+    
+    it 'returns all authorities' do
+      expect(all.count).to eq(48)
+    end
+    
+    it 'returns a list of authorities' do
+      all.each do |authority|
+        expect(authority).to be_a(UKPlanningScraper::Authority)
+      end
+    end
+    
+  end
+  
+end

spec/spec_helper.rb

@@ -0,0 +1,16 @@
+require 'simplecov'
+SimpleCov.start
+
+require 'uk_planning_scraper'
+
+RSpec.configure do |config|
+  config.expect_with :rspec do |expectations|
+    expectations.include_chain_clauses_in_custom_matcher_descriptions = true
+  end
+
+  config.mock_with :rspec do |mocks|
+    mocks.verify_partial_doubles = true
+  end
+  
+  config.shared_context_metadata_behavior = :apply_to_host_groups
+end

uk_planning_scraper.gemspec

@@ -30,6 +30,8 @@ Gem::Specification.new do |spec|
 
   spec.add_development_dependency "bundler", "~> 1.15"
   spec.add_development_dependency "rake", "~> 10.0"
+  spec.add_development_dependency "rspec", "~> 3.8.0"
+  spec.add_development_dependency "simplecov", "~> 0.16.1"
   
   spec.add_runtime_dependency "mechanize", "~> 2.7"
   spec.add_runtime_dependency "http"