Convert formula_spec_selection test to spec.

Library/Homebrew/test/formula_spec_selection_spec.rb

+require "formula"
+
+describe Formula do
+  describe "::new" do
+    it "selects stable by default" do
+      f = formula do
+        url "foo-1.0"
+        devel { url "foo-1.1a" }
+        head "foo"
+      end
+
+      expect(f).to be_stable
+    end
+
+    it "selects stable when exclusive" do
+      f = formula { url "foo-1.0" }
+      expect(f).to be_stable
+    end
+
+    it "selects devel before HEAD" do
+      f = formula do
+        devel { url "foo-1.1a" }
+        head "foo"
+      end
+
+      expect(f).to be_devel
+    end
+
+    it "selects devel when exclusive" do
+      f = formula { devel { url "foo-1.1a" } }
+      expect(f).to be_devel
+    end
+
+    it "selects HEAD when exclusive" do
+      f = formula { head "foo" }
+      expect(f).to be_head
+    end
+
+    it "does not select an incomplete spec" do
+      f = formula do
+        sha256 TEST_SHA256
+        version "1.0"
+        head "foo"
+      end
+
+      expect(f).to be_head
+    end
+
+    it "does not set an incomplete stable spec" do
+      f = formula do
+        sha256 TEST_SHA256
+        devel { url "foo-1.1a" }
+        head "foo"
+      end
+
+      expect(f.stable).to be nil
+      expect(f).to be_devel
+    end
+
+    it "selects HEAD when requested" do
+      f = formula("test", spec: :head) do
+        url "foo-1.0"
+        devel { url "foo-1.1a" }
+        head "foo"
+      end
+
+      expect(f).to be_head
+    end
+
+    it "selects devel when requested" do
+      f = formula("test", spec: :devel) do
+        url "foo-1.0"
+        devel { url "foo-1.1a" }
+        head "foo"
+      end
+
+      expect(f).to be_devel
+    end
+
+    it "does not set an incomplete devel spec" do
+      f = formula do
+        url "foo-1.0"
+        devel { version "1.1a" }
+        head "foo"
+      end
+
+      expect(f.devel).to be nil
+      expect(f).to be_stable
+    end
+
+    it "does not raise an error for a missing spec" do
+      f = formula("test", spec: :devel) do
+        url "foo-1.0"
+        head "foo"
+      end
+
+      expect(f).to be_stable
+    end
+  end
+end

Library/Homebrew/test/formula_spec_selection_test.rb

-require "testing_env"
-require "formula"
-
-class FormulaSpecSelectionTests < Homebrew::TestCase
-  def test_selects_stable_by_default
-    f = formula do
-      url "foo-1.0"
-      devel { url "foo-1.1a" }
-      head "foo"
-    end
-
-    assert_predicate f, :stable?
-  end
-
-  def test_selects_stable_when_exclusive
-    f = formula { url "foo-1.0" }
-    assert_predicate f, :stable?
-  end
-
-  def test_selects_devel_before_head
-    f = formula do
-      devel { url "foo-1.1a" }
-      head "foo"
-    end
-
-    assert_predicate f, :devel?
-  end
-
-  def test_selects_devel_when_exclusive
-    f = formula { devel { url "foo-1.1a" } }
-    assert_predicate f, :devel?
-  end
-
-  def test_selects_head_when_exclusive
-    f = formula { head "foo" }
-    assert_predicate f, :head?
-  end
-
-  def test_incomplete_spec_not_selected
-    f = formula do
-      sha256 TEST_SHA256
-      version "1.0"
-      head "foo"
-    end
-
-    assert_predicate f, :head?
-  end
-
-  def test_incomplete_stable_not_set
-    f = formula do
-      sha256 TEST_SHA256
-      devel { url "foo-1.1a" }
-      head "foo"
-    end
-
-    assert_nil f.stable
-    assert_predicate f, :devel?
-  end
-
-  def test_selects_head_when_requested
-    f = formula("test", Pathname.new(__FILE__).expand_path, :head) do
-      url "foo-1.0"
-      devel { url "foo-1.1a" }
-      head "foo"
-    end
-
-    assert_predicate f, :head?
-  end
-
-  def test_selects_devel_when_requested
-    f = formula("test", Pathname.new(__FILE__).expand_path, :devel) do
-      url "foo-1.0"
-      devel { url "foo-1.1a" }
-      head "foo"
-    end
-
-    assert_predicate f, :devel?
-  end
-
-  def test_incomplete_devel_not_set
-    f = formula do
-      url "foo-1.0"
-      devel { version "1.1a" }
-      head "foo"
-    end
-
-    assert_nil f.devel
-    assert_predicate f, :stable?
-  end
-
-  def test_does_not_raise_for_missing_spec
-    f = formula("test", Pathname.new(__FILE__).expand_path, :devel) do
-      url "foo-1.0"
-      head "foo"
-    end
-
-    assert_predicate f, :stable?
-  end
-end