adding specs around sessions/options

spec/mongoid/sessions/options_spec.rb

@@ -0,0 +1,57 @@
+require "spec_helper"
+
+describe Mongoid::Sessions::Options do
+
+#  class Foo
+#    include Mongoid::Sessions::Options
+#  end
+
+  describe "#with" do
+
+    context "when passing some options" do
+
+      let(:options) { { database: 'test' } }
+
+      let(:klass) do
+        Band.with(options)
+      end
+
+      it "sets the options into the class" do
+        expect(klass.persistence_options).to eq(options)
+      end
+
+      it "sets the options into the instance" do
+        expect(klass.new.persistence_options).to eq(options)
+      end
+
+      context "when calling .collection method" do
+
+        before do
+          klass.collection
+        end
+
+        it "keeps the options" do
+          expect(klass.persistence_options).to eq(options)
+        end
+      end
+    end
+  end
+
+  describe ".with" do
+
+    let(:options) { { database: 'test' } }
+
+    let(:instance) do
+      Band.new.with(options)
+    end
+
+    it "sets the options into" do
+      expect(instance.persistence_options).to eq(options)
+    end
+
+    it "passes down the options to collection" do
+      Band.should_receive(:collection).with(options)
+      instance.collection
+    end
+  end
+end