Preserve alias when installing formulae

Part of #567

1 files changed, 18 insertions, 1 deletions

diff --git a/Library/Homebrew/test/test_formula.rb b/Library/Homebrew/test/test_formula.rb
index 7ebb17884..1ea1ff185 100644
--- a/Library/Homebrew/test/test_formula.rb
+++ b/Library/Homebrew/test/test_formula.rb
@@ -8,13 +8,30 @@ class FormulaTests < Homebrew::TestCase
     name = "formula_name"
     path = Formulary.core_path(name)
     spec = :stable
+    install_name = "formula_alias"
 
-    f = klass.new(name, path, spec)
+    f = klass.new(name, path, spec, install_name: install_name)
     assert_equal name, f.name
     assert_equal path, f.path
+    assert_equal install_name, f.install_name
     assert_raises(ArgumentError) { klass.new }
   end
 
+  def test_install_ref_with_alias
+    name = "formula_name"
+    path = Formulary.core_path(name)
+    spec = :stable
+    install_name = "formula_alias"
+
+    f = Testball.new(name, path, spec, install_name: install_name)
+    assert_equal f.install_name, f.install_ref
+  end
+
+  def test_install_ref_with_non_alias
+    f = Testball.new
+    assert_equal f.path, f.install_ref
+  end
+
   def test_prefix
     f = Testball.new
     assert_equal HOMEBREW_CELLAR/f.name/"0.1", f.prefix