Added Rails::Info to catalog assorted information about a Rails application's environment

git-svn-id: http://svn-commit.rubyonrails.org/rails/trunk@2882 5ecf4fe2-1ee6-0310-87b1-e25e094e27de

1 files changed, 77 insertions, 0 deletions

diff --git a/railties/test/info_test.rb b/railties/test/info_test.rb
new file mode 100644
index 0000000000..2c6e28779d
--- /dev/null
+++ b/railties/test/info_test.rb
@@ -0,0 +1,77 @@
+$:.unshift File.dirname(__FILE__) + "/../lib"
+$:.unshift File.dirname(__FILE__) + "/../../activesupport/lib"
+
+require 'test/unit'
+require 'active_support'
+require 'info'
+
+class << Rails::Info
+protected
+  def svn_info
+    <<-EOS
+Path: .
+URL: http://www.rubyonrails.com/svn/rails/trunk
+Repository UUID: 5ecf4fe2-1ee6-0310-87b1-e25e094e27de
+Revision: 2881
+Node Kind: directory
+Schedule: normal
+Last Changed Author: sam
+Last Changed Rev: 2881
+Last Changed Date: 2005-11-04 21:04:41 -0600 (Fri, 04 Nov 2005)
+Properties Last Updated: 2005-10-28 19:30:00 -0500 (Fri, 28 Oct 2005)
+
+    EOS
+  end
+end
+
+class InfoTest < Test::Unit::TestCase
+  def test_edge_rails_revision_extracted_from_svn_info
+    assert_equal '2881', Rails::Info.edge_rails_revision
+  end
+  
+  def test_property_with_block_swallows_exceptions_and_ignores_property
+    assert_nothing_raised do
+      Rails::Info.module_eval do
+        property('Bogus') {raise}
+      end
+    end
+    assert !property_defined?('Bogus')
+  end
+  
+  def test_property_with_string
+    Rails::Info.module_eval do
+      property 'Hello', 'World'
+    end
+    assert_property 'Hello', 'World'
+  end
+  
+  def test_property_with_block
+    Rails::Info.module_eval do
+      property('Goodbye') {'World'}
+    end
+    assert_property 'Goodbye', 'World'
+  end
+  
+  def test_component_version
+    assert_property 'Active Support version', ActiveSupport::Version::STRING
+  end
+
+protected
+  def property_names
+    Rails::Info.properties.map {|(name, )| name}
+  end
+  
+  def property_value(property_name)
+    Rails::Info.properties.find {|(name, )| property_name == name}.last
+  end
+  
+  def property_defined?(property_name)
+    property_names.include? property_name
+  end
+  
+  def assert_property(property_name, value)
+    raise "Property #{property_name.inspect} not defined" unless 
+      property_defined? property_name
+    assert_equal value, property_value(property_name)
+  end
+end
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