Extract formula locks into a class

1 files changed, 21 insertions, 0 deletions

diff --git a/Library/Homebrew/test/test_formula_lock.rb b/Library/Homebrew/test/test_formula_lock.rb
new file mode 100644
index 000000000..a03d19e92
--- /dev/null
+++ b/Library/Homebrew/test/test_formula_lock.rb
@@ -0,0 +1,21 @@
+require 'testing_env'
+require 'formula_lock'
+
+class FormulaLockTests < Test::Unit::TestCase
+  def setup
+    @lock = FormulaLock.new("foo")
+    @lock.lock
+  end
+
+  def teardown
+    @lock.unlock
+  end
+
+  def test_locking_file_with_existing_lock_raises_error
+    assert_raises(OperationInProgressError) { FormulaLock.new("foo").lock }
+  end
+
+  def test_locking_existing_lock_suceeds
+    assert_nothing_raised { @lock.lock }
+  end
+end