100% test coverage.

lib/latinum/bank.rb

@@ -121,8 +121,11 @@ def parse(string, default_name: nil)
 			end
 		end
 
-		def load(value)
-			parse(value) if value
+		def load(input)
+			if input.is_a?(String)
+				input = input.strip
+				return parse(input) unless input.empty?
+			end
 		end
 
 		def dump(resource)

lib/latinum/resource.rb

@@ -26,15 +26,9 @@ def self.parse(string, default_name: nil)
 		# @parameter string [String | Nil] e.g. "5 NZD" or nil.
 		# @returns [Resource | Nil] The Resource that represents the parsed string.
 		def self.load(input)
-			case input
-			when String
-				# Remove any whitespaces
+			if input.is_a?(String)
 				input = input.strip
-				parse(input) unless input.empty?
-			when Resource
-				input
-			else
-				nil
+				return parse(input) unless input.empty?
 			end
 		end
 

test/latinum/bank.rb

@@ -15,6 +15,37 @@
 		end
 	end
 
+	with '.load and .dump' do
+		it "should load and dump resources" do
+			resource = Latinum::Resource.load("10 NZD")
+			string_representation = Latinum::Resource.dump(resource)
+
+			loaded_resource = bank.load(string_representation)
+
+			expect(loaded_resource).to be == loaded_resource
+		end
+
+		it "should load and dump nil correctly" do
+			expect(bank.load(nil)).to be == nil
+			expect(bank.dump(nil)).to be == nil
+		end
+
+		it "should handle empty strings correctly" do
+			expect(bank.load("")).to be == nil
+		end
+
+		it "should handle whitespace strings correctly" do
+			expect(bank.load(" ")).to be == nil
+		end
+
+		it "should load and dump resources correctly" do
+			resource = Latinum::Resource.new(10, 'NZD')
+
+			expect(bank.load("10.0 NZD")).to be == resource
+			expect(bank.dump(resource)).to be == "10.0 NZD"
+		end
+	end
+
 	it "should format the amounts correctly" do
 		resource = Latinum::Resource.new("10", "NZD")
 

test/latinum/resource.rb

@@ -36,13 +36,6 @@
 			expect(Latinum::Resource.load("10.0 NZD")).to be == resource
 			expect(Latinum::Resource.dump(resource)).to be == "10.0 NZD"
 		end
-
-		it "can pass through resources" do
-			resource = Latinum::Resource.new(10, 'NZD')
-
-			expect(Latinum::Resource.load(resource)).to be == resource
-			expect(Latinum::Resource.dump(resource)).to be == "10.0 NZD"
-		end
 	end
 
 	it "should inspect nicely" do