Add basic disk config unit tests

test/unit/plugins/kernel_v2/config/disk_test.rb

@@ -0,0 +1,56 @@
+require File.expand_path("../../../../base", __FILE__)
+
+require Vagrant.source_root.join("plugins/kernel_v2/config/disk")
+
+describe VagrantPlugins::Kernel_V2::VagrantConfigDisk do
+  include_context "unit"
+
+  let(:type) { :disk }
+
+  subject { described_class.new(type) }
+
+  let(:machine) { double("machine") }
+
+  def assert_invalid
+    errors = subject.validate(machine)
+    if !errors.empty? { |v| !v.empty? }
+      raise "No errors: #{errors.inspect}"
+    end
+  end
+
+  def assert_valid
+    errors = subject.validate(machine)
+    if !errors.empty? { |v| v.empty? }
+      raise "Errors: #{errors.inspect}"
+    end
+  end
+
+  before do
+    env = double("env")
+
+    subject.name = "foo"
+    subject.size = 100
+  end
+
+  describe "with defaults" do
+    it "is valid with test defaults" do
+      subject.finalize!
+      assert_valid
+    end
+
+    it "sets a command" do
+      subject.finalize!
+      expect(subject.type).to eq(type)
+    end
+
+    it "defaults to primray disk" do
+      subject.finalize!
+      expect(subject.primary).to eq(true)
+    end
+  end
+
+  describe "defining a new config that needs to match internal restraints" do
+    before do
+    end
+  end
+end