spec/lib/whipped-cream/sensor_spec.rb in whipped-cream-0.1.0 vs spec/lib/whipped-cream/sensor_spec.rb in whipped-cream-0.1.1

@@ -1,27 +1,48 @@
 require 'spec_helper'
 
 describe WhippedCream::Sensor do
-  subject(:sensor) { described_class.new(name, options, &block) }
+  context 'valid sensor' do
+    subject(:sensor) { described_class.new(name, valid_options, &block) }
 
-  let(:name) { "Door" }
-  let(:options) {
-    {
-      pin: 2,
-      high: "Open",
-      low: "Closed",
-      on_high: :door_opened
+    let(:name) { "Door" }
+    let(:valid_options) {
+      {
+        pin: 17,
+        high: "Open",
+        low: "Closed",
+        on_high: :door_opened
+      }
     }
-  }
-  let(:block) { nil }
+    let(:block) { nil }
 
-  its(:name) { should eq(name) }
-  its(:id) { should eq(:door) }
+    its(:name) { should eq(name) }
+    its(:id) { should eq(:door) }
 
-  its(:pin) { should eq(2) }
+    its(:pin) { should eq(17) }
 
-  its(:high) { should eq("Open") }
-  its(:low) { should eq("Closed") }
+    its(:high) { should eq("Open") }
+    its(:low) { should eq("Closed") }
 
-  its(:on_high) { should eq(:door_opened) }
-  its(:on_low) { should be_nil }
+    its(:on_high) { should eq(:door_opened) }
+    its(:on_low) { should be_nil }
+  end
+
+  context 'invalid sensor' do
+    let(:name) { "Door" }
+    let(:invalid_options) {
+      {
+        pin: 3,
+        high: "Open",
+        low: "Closed",
+        on_high: :door_opened
+      }
+    }
+    let(:block) { nil }
+
+    it 'should raise an error on initialization' do
+      expect {
+        described_class.new(name, invalid_options, &block)
+      }.to raise_error
+    end
+  end
 end