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

[selectricity] / lib / gruff-0.2.8 / test / test_pie.rb

diff --git a/lib/gruff-0.2.8/test/test_pie.rb b/lib/gruff-0.2.8/test/test_pie.rb
new file mode 100644 (file)
index 0000000..0ff8a85
--- /dev/null
+++ b/lib/gruff-0.2.8/test/test_pie.rb
@@ -0,0 +1,129 @@
+#!/usr/bin/ruby
+
+require File.dirname(__FILE__) + "/gruff_test_case"
+
+class TestGruffPie < GruffTestCase
+
+  def setup
+    @datasets = [
+      [:Darren, [25]],
+      [:Chris, [80]],
+      [:Egbert, [22]],
+      [:Adam, [95]],
+      [:Bill, [90]],
+      ["Frank", [5]],
+      ["Zero", [0]],
+      ]
+  end
+  
+  def test_pie_graph
+    g = Gruff::Pie.new
+    g.title = "Visual Pie Graph Test"
+    @datasets.each do |data|
+      g.data(data[0], data[1])
+    end
+
+    # Default theme
+    g.write("test/output/pie_keynote.png")
+  end
+
+  def test_pie_graph_small
+    g = Gruff::Pie.new(400)
+    g.title = "Visual Pie Graph Test Small"
+    @datasets.each do |data|
+      g.data(data[0], data[1])
+    end
+
+    # Default theme
+    g.write("test/output/pie_keynote_small.png")
+  end
+
+  def test_pie_graph_nearly_equal
+    g = Gruff::Pie.new
+    g.title = "Pie Graph Nearly Equal"
+    
+    g.data(:Blake, [41])
+    g.data(:Aaron, [42])
+#    g.data(:Grouch, [40])
+#    g.data(:Snuffleupagus, [43])
+
+    g.write("test/output/pie_nearly_equal.png")
+  end
+
+  def test_pie_graph_equal
+    g = Gruff::Pie.new
+    g.title = "Pie Graph Equal"
+        
+    g.data(:Bert, [41])
+    g.data(:Adam, [41])
+
+    g.write("test/output/pie_equal.png")
+  end
+
+  def test_pie_graph_zero
+    g = Gruff::Pie.new
+    g.title = "Pie Graph One Zero"
+        
+    g.data(:Bert, [0])
+    g.data(:Adam, [1])
+
+    g.write("test/output/pie_zero.png")
+  end
+
+
+  def test_pie_graph_one_val
+    g = Gruff::Pie.new
+    g.title = "Pie Graph One Val"
+        
+    g.data(:Bert, 53)
+    g.data(:Adam, 29)
+
+    g.write("test/output/pie_one_val.png")
+  end
+
+
+  def test_wide
+    g = setup_basic_graph('800x400')
+    g.title = "Wide Pie"
+    g.write("test/output/pie_wide.png")
+  end
+
+  def test_label_size
+    g = setup_basic_graph()
+    g.title = "Pie With Small Legend"
+    g.legend_font_size = 10
+    g.write("test/output/pie_legend.png")
+    
+    g = setup_basic_graph(400)
+    g.title = "Small Pie With Small Legend"
+    g.legend_font_size = 10
+    g.write("test/output/pie_legend_small.png")
+  end
+
+  
+  def test_tiny_simple_pie
+    @datasets = (1..5).map {|n| ['Auto', [rand(100)]]}
+
+    g = setup_basic_graph 200
+    g.hide_legend = true
+    g.hide_title = true
+    g.hide_line_numbers = true
+  
+    g.marker_font_size = 40.0
+    g.minimum_value = 0.0
+    
+    write_test_file g, "pie_simple.png"
+  end
+  
+protected
+
+  def setup_basic_graph(size=800)
+    g = Gruff::Pie.new(size)
+    g.title = "My Graph Title"
+    @datasets.each do |data|
+      g.data(data[0], data[1])
+    end
+    return g
+  end
+  
+end