Create gem, try to get harness working, give up, cry, copy files over…

… manually, scream Yoho's name into the sky...

sales_engine.gemspec

@@ -0,0 +1,24 @@
+# -*- encoding: utf-8 -*-
+
+lib = File.expand_path('../lib/', __FILE__)
+$:.unshift lib unless $:.include?(lib)
+
+require 'bundler/version'
+
+Gem::Specification.new do |s|
+  s.name        = "sales_engine"
+  s.version     = 1
+  s.platform    = Gem::Platform::RUBY
+  s.authors     = ["Jonan Scheffler", "Nisarg Shah"]
+  s.email       = ["jonanscheffler+nisargshah100@gmail.com"]
+  s.homepage    = "https://1337807@github.com/1337807/sales_engine.git"
+  s.summary     = "Infernal hellspawn of a project devised by evil pirate Yoho and deathlord Casimir"
+  s.description = "This calculates revenue of useless pretend merchants and makes programmers want to die."
+
+  s.required_rubygems_version = ">= 1.3.6"
+
+  s.add_development_dependency "rspec"
+
+  s.files        = Dir.glob("lib/**/*")
+  s.require_path = 'lib'
+end

spec_evaluation/customer_spec.rb

@@ -7,9 +7,11 @@
     describe ".random" do
       it "usually returns different things on subsequent calls" do
         customer_one = SalesEngine::Customer.random
+        customer_two = SalesEngine::Customer.random
+
         10.times do
-          customer_two = SalesEngine::Customer.random
           break if customer_one.id != customer_two.id
+          customer_two = SalesEngine::Customer.random
         end
 
         customer_one.id.should_not == customer_two.id
@@ -19,7 +21,7 @@
     describe ".find_by_last_name" do
       it "finds a record" do
         customer = SalesEngine::Customer.find_by_last_name "Ullrich"
-        customer.first_name.should == "Ramon"
+        %w(Ramon Brice Annabell).should include(customer.first_name)
       end
     end
 

spec_evaluation/invoice_item_spec.rb

@@ -5,9 +5,11 @@
     describe ".random" do
       it "usually returns different things on subsequent calls" do
         invoice_item_one = SalesEngine::InvoiceItem.random
+        invoice_item_two = SalesEngine::InvoiceItem.random
+
         10.times do
-          invoice_item_two = SalesEngine::InvoiceItem.random
           break if invoice_item_one.id != invoice_item_two.id
+          invoice_item_two = SalesEngine::InvoiceItem.random
         end
 
         invoice_item_one.id.should_not == invoice_item_two.id
@@ -17,7 +19,7 @@
     describe ".find_by_item_id" do
       it "can find a record" do
         invoice_item = SalesEngine::InvoiceItem.find_by_item_id 123
-        invoice_item.invoice_id.should == 184
+        invoice_item.item.name.should == "Item Doloribus Ducimus"
       end
     end
 
@@ -34,14 +36,13 @@
 
     describe "#item" do
       it "exists" do
-        invoice_item.item.name.should == "Item Qui Esse"
+        invoice_item.item.name.should == "Item Cupiditate Magni"
       end
     end
 
     describe "#invoice" do
       it "exists" do
-        invoice_customer = SalesEngine::Customer.find_by_id invoice_item.customer_id
-        invoice_item.customer.last_name.should == invoice.customer.last_name
+        invoice_item.invoice.should be
       end
     end
 

spec_evaluation/invoice_spec.rb

@@ -5,9 +5,11 @@
     describe ".random" do
       it "usually returns different things on subsequent calls" do
         invoice_one = SalesEngine::Invoice.random
+        invoice_two = SalesEngine::Invoice.random
+
         10.times do
-          invoice_two = SalesEngine::Invoice.random
           break if invoice_one.id != invoice_two.id
+          invoice_two = SalesEngine::Invoice.random
         end
 
         invoice_one.id.should_not == invoice_two.id
@@ -74,15 +76,30 @@
       let(:customer) { SalesEngine::Customer.random }
       let(:merchant) { SalesEngine::Merchant.random }
       let(:items) do
-        (1..3).map { Item.random }
+        (1..3).map { SalesEngine::Item.random }
       end
       it "creates a new invoice" do
 
         invoice = SalesEngine::Invoice.create(customer: customer, merchant: merchant, items: items)
-        pending "Verify relationships"
+
+        items.map(&:name).each do |name|
+          invoice.items.map(&:name).should include(name)
+        end
+
+        #invoice.merchant.id.should == merchant.id
+        invoice.customer.id.should == customer.id
+      end
+    end
+
+    describe "#charge" do
+      it "creates a transaction" do
+        invoice = SalesEngine::Invoice.find_by_id(100)
+        prior_transaction_count = invoice.transactions.count
 
         invoice.charge(credit_card_number: '1111222233334444',  credit_card_expiration_date: "10/14", result: "success")
 
+        invoice = SalesEngine::Invoice.find_by_id(invoice.id)
+        invoice.transactions.count.should == prior_transaction_count + 1
       end
     end
 

spec_evaluation/item_spec.rb

@@ -5,9 +5,11 @@
     describe ".random" do
       it "usually returns different things on subsequent calls" do
         item_one =SalesEngine::Item.random
+        item_two = SalesEngine::Item.random
+
         10.times do
-          item_two = SalesEngine::Item.random
           break if item_one.id != item_two.id
+          item_two = SalesEngine::Item.random
         end
 
         item_one.id.should_not == item_two.id
@@ -16,7 +18,7 @@
 
     describe ".find_by_unit_price" do
       it "can find one record" do
-        item =SalesEngine::Item.find_by_unit_price 93519
+        item = SalesEngine::Item.find_by_unit_price BigDecimal.new("935.19")
         item.name.should == "Item Alias Nihil"
       end
     end
@@ -65,18 +67,18 @@
 
     describe ".most_items" do
       it "returns the top n items ranked by most sold" do
-        most = SalesEngine::Item.most_items(42)
+        most = SalesEngine::Item.most_items(37)
 
-        most.second.name.should == "Item Dicta Autem"
-        most.last.name.should   == "Item Quidem Dolorum"
+        most[1].name.should == "Item Nam Magnam"
+        most.last.name.should   == "Item Ut Quaerat"
       end
     end
 
     describe "#best_day" do
       let(:item) { SalesEngine::Item.find_by_name "Item Accusamus Ut" }
 
       it "returns something castable to date" do
-        date = Date.parse "Tue, 27 Mar 2012"
+        date = Date.parse "Sat, 24 Mar 2012"
         item.best_day.to_date.should == date
       end
     end

spec_evaluation/merchant_spec.rb

@@ -5,9 +5,11 @@
     describe ".random" do
       it "usually returns different things on subsequent calls" do
         merchant_one = SalesEngine::Merchant.random
+        merchant_two = SalesEngine::Merchant.random
+
         10.times do
-          merchant_two = SalesEngine::Merchant.random
           break if merchant_one.id != merchant_two.id
+          merchant_two = SalesEngine::Merchant.random
         end
 
         merchant_one.id.should_not == merchant_two.id
@@ -61,7 +63,8 @@
       it "returns all revenue for a given date" do
         date = Date.parse "Tue, 20 Mar 2012"
 
-        SalesEngine::Merchant.revenue(date).to_f.should be_within(0.001).of(263902466.0)
+        revenue = SalesEngine::Merchant.revenue(date)
+        revenue.should == BigDecimal.new("2549722.91")
       end
     end
 
@@ -75,7 +78,7 @@
 
     describe ".most_items" do
       it "returns the top n item-sellers" do
-        most = SalesEngine::Merchant.most_revenue(4)
+        most = SalesEngine::Merchant.most_items(5)
         most.first.name.should == "Kassulke, O'Hara and Quitzon"
         most.last.name.should  == "Daugherty Group"
       end
@@ -86,50 +89,47 @@
         let(:merchant) { SalesEngine::Merchant.find_by_name "Dicki-Bednar" }
 
         it "reports all revenue" do
-          merchant.revenue.to_f.should be_within(0.001).of(118422772.0)
+          merchant.revenue.should == BigDecimal.new("1148393.74")
         end
       end
       context "given a date" do
-        let(:merchant) { SalesEngine::Merchant.find_by_name "Nienow-Quigley" }
+        let(:merchant) { SalesEngine::Merchant.find_by_name "Willms and Sons" }
 
         it "restricts to that date" do
-          date = Date.parse "Wed, 21 Mar 2012"
+          date = Date.parse "Fri, 09 Mar 2012"
 
-          merchant.revenue(date).to_f.should be_within(0.001).of(4521907.0)
+          merchant.revenue(date).should == BigDecimal.new("8373.29")
         end
       end
     end
 
     describe "#favorite_customer" do
       let(:merchant) { SalesEngine::Merchant.find_by_name "Terry-Moore" }
+      let(:customer_names) do
+        [["Jayme", "Hammes"], ["Elmer", "Konopelski"], ["Eleanora", "Kling"],
+         ["Friedrich", "Rowe"], ["Orion", "Hills"], ["Lambert", "Abernathy"]]
+      end
 
       it "returns the customer with the most transactions" do
         customer = merchant.favorite_customer
-        customer.first_name.should == "Orion"
-        customer.last_name.should  == "Hills"
+        customer_names.any? do |first_name, last_name|
+          customer.first_name == first_name
+          customer.last_name  == last_name
+        end.should be_true
       end
     end
 
     describe "#customers_with_pending_invoices" do
+      let(:merchant) { SalesEngine::Merchant.find_by_name "Parisian Group" }
+
       it "returns the total number of customers with pending invoices" do
         customers = merchant.customers_with_pending_invoices
-        customers.count.should == 6
+        customers.count.should == 4
         customers.any? do |customer|
-          customer.last_name == "Gaylord"
+          customer.last_name == "Ledner"
         end.should be_true
       end
     end
   end
 
-  context "Business Intelligence" do
-    describe ".revenue" do
-      it "returns all revenue for a given date" do
-        date = Date.parse "Tue, 20 Mar 2012"
-
-        revenue = SalesEngine::Merchant.revenue(date)
-        revenue.should == BigDecimal.new("2549722.91")
-      end
-    end
-  end
-
 end

spec_evaluation/spec_helper.rb

@@ -9,4 +9,4 @@
   config.before(:suite) do
     SalesEngine.startup
   end
-end
+end

spec_evaluation/transaction_spec.rb

@@ -6,9 +6,11 @@
     describe ".random" do
       it "usually returns different things on subsequent calls" do
         transaction_one = SalesEngine::Transaction.random
+        transaction_two = SalesEngine::Transaction.random
+
         10.times do
-          transaction_two = SalesEngine::Transaction.random
           break if transaction_one.id != transaction_two.id
+          transaction_two = SalesEngine::Transaction.random
         end
 
         transaction_one.id.should_not == transaction_two.id
@@ -25,7 +27,7 @@
     describe ".find_all_by_result" do
       it "can find multiple records" do
         transactions = SalesEngine::Transaction.find_all_by_result "success"
-        transactions.should have(4648).transactions
+        transactions.count.should be_within(2).of(4648)
       end
     end
   end