Add tests for Rubella::Storage.data, Rubella::Storage.new

lib/rubella/storage.rb

@@ -24,6 +24,8 @@ module Rubella
     #
     # Setting the length to 0 will disable this feature
     #
+    # TODO fill up with 0 values, if data is not multidemensional
+    #
     # @param length Integer The size of the storage
     # @return Integer The new size
     #

spec/unit/rubella/storage/data_spec.rb

@@ -0,0 +1,11 @@
+require 'spec_helper'
+
+describe Rubella::Storage, '.data' do
+
+  it "retuns the stored data" do
+    storage = Rubella::Storage.new [3, 4, 5]
+
+    expect(storage.data).to eq([3, 4, 5])
+  end
+
+end

spec/unit/rubella/storage/length_eql_spec.rb

@@ -65,4 +65,4 @@ describe Rubella::Storage, '.length=' do
     expect(storage.data.length).to eq(0)
   end
 
-end
+end

spec/unit/rubella/storage/new_spec.rb

@@ -0,0 +1,43 @@
+require 'spec_helper'
+
+describe Rubella::Storage, '.new' do
+
+  it "creates a new Storage" do
+    storage = Rubella::Storage.new []
+
+    expect(storage).to be_an_instance_of(Rubella::Storage)
+  end
+
+  it "fills the Storage with the given data" do
+    storage = Rubella::Storage.new [1, 2, 3]
+
+    expect(storage.data).to eq([1, 2, 3])
+  end
+
+  it "disable length feature, if no length is given" do
+    storage = Rubella::Storage.new [1, 2, 3]
+
+    expect(storage.length).to eq(3)
+    expect(storage.data.length).to eq(3)
+  end
+
+  it "disable length feature, if length is 0" do
+    storage = Rubella::Storage.new [1, 2, 3], 0
+
+    expect(storage.length).to eq(3)
+    expect(storage.data.length).to eq(3)
+  end
+
+  it "sets the length" do
+    storage = Rubella::Storage.new [1, 2, 3], 2
+
+    expect(storage.length).to eq(2)
+  end
+
+  it "uses length feature, if length is given" do
+    storage = Rubella::Storage.new [1, 2, 3], 2
+
+    expect(storage.data.length).to eq(2)
+  end
+
+end