Added the Gruff library to the lib/ directory of the the rails folder, and the

[selectricity-live] / lib / gruff-0.2.8 / test / gruff_test_case.rb

diff --git a/lib/gruff-0.2.8/test/gruff_test_case.rb b/lib/gruff-0.2.8/test/gruff_test_case.rb
new file mode 100644 (file)
index 0000000..1327df2
--- /dev/null
+++ b/lib/gruff-0.2.8/test/gruff_test_case.rb
@@ -0,0 +1,118 @@
+$:.unshift(File.dirname(__FILE__) + "/../lib/")
+
+require 'test/unit'
+require 'gruff'
+# require 'test_timer'
+
+class GruffTestCase < Test::Unit::TestCase
+
+  def setup
+    @datasets = [
+      [:Jimmy, [25, 36, 86, 39, 25, 31, 79, 88]],
+      [:Charles, [80, 54, 67, 54, 68, 70, 90, 95]],
+      [:Julie, [22, 29, 35, 38, 36, 40, 46, 57]],
+      [:Jane, [95, 95, 95, 90, 85, 80, 88, 100]],
+      [:Philip, [90, 34, 23, 12, 78, 89, 98, 88]],
+      ["Arthur", [5, 10, 13, 11, 6, 16, 22, 32]],
+      ]
+
+    @labels = {
+        0 => '5/6', 
+        1 => '5/15', 
+        2 => '5/24', 
+        3 => '5/30', 
+        4 => '6/4', 
+        5 => '6/12', 
+        6 => '6/21', 
+        7 => '6/28', 
+      }      
+  end
+
+  def setup_single_dataset
+    @datasets = [
+      [:Jimmy, [25, 36, 86]]
+      ]
+
+    @labels = {
+        0 => 'You', 
+        1 => 'Average', 
+        2 => 'Lifetime' 
+      }      
+  end
+
+  def setup_wide_dataset
+    @datasets = [
+      ["Auto", 25],
+      ["Food", 5],
+      ["Entertainment", 15]
+      ]
+
+    @labels = { 0 => 'This Month' }
+  end
+
+  def test_dummy
+    assert true
+  end
+
+protected
+
+  # Generate graphs at several sizes.
+  #
+  # Also writes the graph to disk.
+  #
+  #   graph_sized 'bar_basic' do |g|
+  #     g.data('students', [1, 2, 3, 4])
+  #   end
+  #
+  def graph_sized(filename, sizes=['', 400])
+    class_name = self.class.name.gsub(/^TestGruff/, '')
+    Array(sizes).each do |size|
+      g = instance_eval("Gruff::#{class_name}.new #{size}")
+      g.title = "#{class_name} Graph"
+      yield g      
+      write_test_file g, "#{filename}_#{size}.png"
+    end
+  end
+
+  def write_test_file(graph, filename)
+    graph.write(File.dirname(__FILE__) + "/output/#{filename}")
+  end
+
+  ##
+  # Example:
+  #
+  #   setup_basic_graph Gruff::Pie, 400
+  #
+  def setup_basic_graph(*args)
+    klass, size = Gruff::Bar, 400
+    # Allow args to be klass, size or just klass or just size.
+    #
+    # TODO Refactor
+    case args.length
+    when 1
+      case args[0]
+      when Fixnum
+        size = args[0]
+        klass = eval("Gruff::#{self.class.name.gsub(/^TestGruff/, '')}") 
+      when String
+        size = args[0]
+        klass = eval("Gruff::#{self.class.name.gsub(/^TestGruff/, '')}") 
+      else
+        klass = args[0]
+      end
+    when 2
+      klass, size = args[0], args[1]
+    end
+    
+    g = klass.new(size)
+    g.title = "My Bar Graph"
+    g.labels = @labels
+
+
+    @datasets.each do |data|
+      g.data(data[0], data[1])
+    end
+    g
+  end
+
+end