1 files changed, 37 insertions, 6 deletions
diff --git a/Library/Homebrew/test/test_dependencies.rb b/Library/Homebrew/test/test_dependencies.rb
index ebfd8ac01..68c4043cb 100644
--- a/Library/Homebrew/test/test_dependencies.rb
+++ b/Library/Homebrew/test/test_dependencies.rb
@@ -75,17 +75,48 @@ end
 class DependableTests < Test::Unit::TestCase
   def setup
     @tags = ["foo", "bar", :build]
-    @deps = Struct.new(:tags).new(@tags)
-    @deps.extend(Dependable)
+    @dep = Struct.new(:tags).new(@tags).extend(Dependable)
   end
 
   def test_options
-    assert_equal %w{--foo --bar}.sort, @deps.options.sort
+    assert_equal %w{--foo --bar}.sort, @dep.options.sort
   end
 
   def test_interrogation
-    assert @deps.build?
-    assert !@deps.optional?
-    assert !@deps.recommended?
+    assert @dep.build?
+    assert !@dep.optional?
+    assert !@dep.recommended?
+  end
+end
+
+class DependencyTests < Test::Unit::TestCase
+  def test_accepts_single_tag
+    dep = Dependency.new("foo", "bar")
+    assert_equal %w{bar}, dep.tags
+  end
+
+  def test_accepts_multiple_tags
+    dep = Dependency.new("foo", %w{bar baz})
+    assert_equal %w{bar baz}.sort, dep.tags.sort
+  end
+
+  def test_preserves_symbol_tags
+    dep = Dependency.new("foo", :build)
+    assert_equal [:build], dep.tags
+  end
+
+  def test_accepts_symbol_and_string_tags
+    dep = Dependency.new("foo", [:build, "bar"])
+    assert_equal [:build, "bar"], dep.tags
+  end
+
+  def test_equality
+    foo1 = Dependency.new("foo")
+    foo2 = Dependency.new("foo")
+    bar = Dependency.new("bar")
+    assert_equal foo1, foo2
+    assert foo1.eql?(foo2)
+    assert_not_equal foo1, bar
+    assert !foo1.eql?(bar)
   end
 end