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

Library/Homebrew/test/hardware_test.rb

@@ -1,15 +0,0 @@
-require "testing_env"
-require "hardware"
-
-class HardwareTests < Homebrew::TestCase
-  def test_hardware_cpu_type
-    assert_includes [:intel, :ppc, :dunno], Hardware::CPU.type
-  end
-
-  if Hardware::CPU.intel?
-    def test_hardware_intel_family
-      families = [:core, :core2, :penryn, :nehalem, :arrandale, :sandybridge, :ivybridge, :haswell, :broadwell, :skylake, :kabylake, :dunno]
-      assert_includes families, Hardware::CPU.family
-    end
-  end
-end