Convert Hardware test to spec.

Library/Homebrew/test/hardware_spec.rb

@@ -0,0 +1,40 @@
+require "hardware"
+
+module Hardware
+  describe CPU do
+    describe "::type" do
+      it "returns the current CPU's type as a symbol, or :dunno if it cannot be detected" do
+        expect(
+          [
+            :intel,
+            :ppc,
+            :dunno,
+          ],
+        ).to include(described_class.type)
+      end
+    end
+
+    describe "::family" do
+      it "returns the current CPU's family name as a symbol, or :dunno if it cannot be detected" do
+        skip "Needs an Intel CPU." unless described_class.intel?
+
+        expect(
+          [
+            :core,
+            :core2,
+            :penryn,
+            :nehalem,
+            :arrandale,
+            :sandybridge,
+            :ivybridge,
+            :haswell,
+            :broadwell,
+            :skylake,
+            :kabylake,
+            :dunno,
+          ],
+        ).to include(described_class.family)
+      end
+    end
+  end
+end