formula: add new pour_bottle DSL with reason.

This allows there to be a user-visible description of why a bottle is
not being installed.

1 files changed, 38 insertions, 0 deletions

diff --git a/Library/Homebrew/test/test_formula.rb b/Library/Homebrew/test/test_formula.rb
index 8f372f6f7..312b8245d 100644
--- a/Library/Homebrew/test/test_formula.rb
+++ b/Library/Homebrew/test/test_formula.rb
@@ -367,4 +367,42 @@ class FormulaTests < Homebrew::TestCase
     [f1, f2, f3].each(&:clear_cache)
     f3.rack.rmtree
   end
+
+  def test_pour_bottle
+    f_false = formula("foo") do
+      url "foo-1.0"
+      def pour_bottle?
+        false
+      end
+    end
+    refute f_false.pour_bottle?
+
+    f_true = formula("foo") do
+      url "foo-1.0"
+      def pour_bottle?
+        true
+      end
+    end
+    assert f_true.pour_bottle?
+  end
+
+  def test_pour_bottle_dsl
+    f_false = formula("foo") do
+      url "foo-1.0"
+      pour_bottle? do
+        reason "false reason"
+        satisfy { var == etc }
+      end
+    end
+    refute f_false.pour_bottle?
+
+    f_true = formula("foo") do
+      url "foo-1.0"
+      pour_bottle? do
+        reason "true reason"
+        satisfy { var == var }
+      end
+    end
+    assert f_true.pour_bottle?
+  end
 end