+#!/usr/bin/ruby
+
+require File.dirname(__FILE__) + "/gruff_test_case"
+
+class TestGruffNet < GruffTestCase
+
+ 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]],
+ ]
+
+ @sample_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 test_net_small_values
+ @datasets = [
+ [:small, [0.1, 0.14356, 0.0, 0.5674839, 0.456]],
+ [:small2, [0.2, 0.3, 0.1, 0.05, 0.9]]
+ ]
+
+ g = Gruff::Net.new
+ g.title = "Small Values Net Graph Test"
+ @datasets.each do |data|
+ g.data(data[0], data[1])
+ end
+ g.write("test/output/net_small.png")
+
+ g = Gruff::Net.new(400)
+ g.title = "Small Values Net Graph Test 400px"
+ @datasets.each do |data|
+ g.data(data[0], data[1])
+ end
+ g.write("test/output/net_small_small.png")
+ end
+
+ def test_net_starts_with_zero
+ @datasets = [
+ [:first0, [0, 5, 10, 8, 18]],
+ [:normal, [1, 2, 3, 4, 5]]
+ ]
+
+ g = Gruff::Net.new
+ g.title = "Small Values Net Graph Test"
+ @datasets.each do |data|
+ g.data(data[0], data[1])
+ end
+ g.write("test/output/net_small_zero.png")
+
+ g = Gruff::Net.new(400)
+ g.title = "Small Values Net Graph Test 400px"
+ @datasets.each do |data|
+ g.data(data[0], data[1])
+ end
+ g.write("test/output/net_small_small_zero.png")
+ end
+
+
+ def test_net_large_values
+ @datasets = [
+ [:large, [100_005, 35_000, 28_000, 27_000]],
+ [:large2, [35_000, 28_000, 27_000, 100_005]],
+ [:large3, [28_000, 27_000, 100_005, 35_000]],
+ [:large4, [1_238, 39_092, 27_938, 48_876]]
+ ]
+
+ g = Gruff::Net.new
+ g.title = "Very Large Values Net Graph Test"
+ @datasets.each do |data|
+ g.data(data[0], data[1])
+ end
+
+ g.write("test/output/net_large.png")
+ end
+
+ def test_many_datapoints
+ g = Gruff::Net.new
+ g.title = "Many Multi-Net Graph Test"
+ g.labels = {
+ 0 => 'June',
+ 10 => 'July',
+ 30 => 'August',
+ 50 => 'September',
+ }
+ g.data('many points', (0..50).collect {|i| rand(100) })
+
+ # Default theme
+ g.write("test/output/net_many.png")
+ end
+
+
+ def test_similar_high_end_values
+ g = Gruff::Net.new
+ g.title = "Similar High End Values Test"
+ g.data('similar points', %w(29.43 29.459 29.498 29.53 29.548 29.589 29.619 29.66 29.689 29.849 29.878 29.74 29.769 29.79 29.808 29.828).collect {|i| i.to_f} )
+
+ # Default theme
+ g.write("test/output/net_similar_high_end_values.png")
+ end
+
+ def test_many_nets_graph_small
+ g = Gruff::Net.new(400)
+ g.title = "Many Values Net Test 400px"
+ g.labels = {
+ 0 => '5/6',
+ 10 => '5/15',
+ 20 => '5/24',
+ 30 => '5/30',
+ 40 => '6/4',
+ 50 => '6/16'
+ }
+ %w{jimmy jane philip arthur julie bert}.each do |student_name|
+ g.data(student_name, (0..50).collect { |i| rand 100 })
+ end
+
+ # Default theme
+ g.write("test/output/net_many_nets_small.png")
+ end
+
+ def test_dots_graph_tiny
+ g = Gruff::Net.new(300)
+ g.title = "Dots Test 300px"
+ g.labels = {
+ 0 => '5/6',
+ 10 => '5/15',
+ 20 => '5/24',
+ 30 => '5/30',
+ 40 => '6/4',
+ 50 => '6/16'
+ }
+ %w{jimmy jane philip arthur julie bert}.each do |student_name|
+ g.data(student_name, (0..50).collect { |i| rand 100 })
+ end
+
+ # Default theme
+ g.write("test/output/net_dots_tiny.png")
+ end
+
+ def test_no_data
+ g = Gruff::Net.new(400)
+ g.title = "No Data"
+ # Default theme
+ g.write("test/output/net_no_data.png")
+
+ g = Gruff::Net.new(400)
+ g.title = "No Data Title"
+ g.no_data_message = 'There is no data'
+ g.write("test/output/net_no_data_msg.png")
+ end
+
+
+ def test_all_zeros
+ g = Gruff::Net.new(400)
+ g.title = "All Zeros"
+
+ g.data(:gus, [0,0,0,0])
+
+ # Default theme
+ g.write("test/output/net_no_data_other.png")
+ end
+
+ def test_no_title
+ g = Gruff::Net.new(400)
+ g.labels = @sample_labels
+ @datasets.each do |data|
+ g.data(data[0], data[1])
+ end
+
+ g.write("test/output/net_no_title.png")
+ end
+
+ def test_no_net_markers
+ g = setup_basic_graph(400)
+ g.title = "No Net Markers"
+ g.hide_line_markers = true
+ g.write("test/output/net_no_net_markers.png")
+ end
+
+ def test_no_legend
+ g = setup_basic_graph(400)
+ g.title = "No Legend"
+ g.hide_legend = true
+ g.write("test/output/net_no_legend.png")
+ end
+
+ def test_nothing_but_the_graph
+ g = setup_basic_graph(400)
+ g.title = "THIS TITLE SHOULD NOT DISPLAY!!!"
+ g.hide_line_markers = true
+ g.hide_legend = true
+ g.hide_title = true
+ g.write("test/output/net_nothing_but_the_graph.png")
+ end
+
+ def test_wide_graph
+ g = setup_basic_graph('800x400')
+ g.title = "Wide Graph"
+ g.write("test/output/net_wide_graph.png")
+
+ g = setup_basic_graph('400x200')
+ g.title = "Wide Graph Small"
+ g.write("test/output/net_wide_graph_small.png")
+ end
+
+protected
+
+ def setup_basic_graph(size=800)
+ g = Gruff::Net.new(size)
+ g.title = "My Graph Title"
+ g.labels = @sample_labels
+ @datasets.each do |data|
+ g.data(data[0], data[1])
+ end
+ return g
+ end
+
+end