1 files changed, 51 insertions, 0 deletions
diff --git a/test/rubygems/test_gem_format.rb b/test/rubygems/test_gem_format.rb
new file mode 100644
index 0000000000..2b7d821952
--- /dev/null
+++ b/test/rubygems/test_gem_format.rb
@@ -0,0 +1,51 @@
+#--
+# Copyright 2006 by Chad Fowler, Rich Kilmer, Jim Weirich and others.
+# All rights reserved.
+# See LICENSE.txt for permissions.
+#++
+
+require 'test/unit'
+require File.join(File.expand_path(File.dirname(__FILE__)), 'gemutilities')
+require File.join(File.expand_path(File.dirname(__FILE__)), 'simple_gem')
+require 'rubygems/format'
+
+class TestGemFormat < RubyGemTestCase
+
+  def setup
+    super
+
+    @simple_gem = SIMPLE_GEM
+  end
+
+  def test_from_file_by_path_nonexistent
+    assert_raise Gem::Exception do
+      Gem::Format.from_file_by_path '/nonexistent'
+    end
+  end
+
+  def test_from_io_garbled
+    e = assert_raise Gem::Package::FormatError do
+      # subtly bogus input
+      Gem::Format.from_io(StringIO.new(@simple_gem.upcase))
+    end
+
+    assert_equal 'No metadata found!', e.message
+
+    e = assert_raise Gem::Package::FormatError do
+      # Totally bogus input
+      Gem::Format.from_io(StringIO.new(@simple_gem.reverse))
+    end
+
+    assert_equal 'No metadata found!', e.message
+
+    e = assert_raise Gem::Package::FormatError do
+      # This was intentionally screws up YAML parsing.
+      Gem::Format.from_io(StringIO.new(@simple_gem.gsub(/:/, "boom")))
+    end
+
+    assert_equal 'No metadata found!', e.message
+  end
+
+end
+
+