a number of improvements

[rubyvote] / test / condorcet_test.rb

diff --git a/test/condorcet_test.rb b/test/condorcet_test.rb
index 67d544e4f51d41e7136623a72c86d47c88d45fb4..0e45d4a7d0b61197a8b382571f5609cc3320926c 100644 (file)
--- a/test/condorcet_test.rb
+++ b/test/condorcet_test.rb
@@ -1,10 +1,13 @@
-#!/usr/bin/ruby -Ilib
-
 require 'test/unit'
 require 'rubyvote/election'
 require 'rubyvote/condorcet'
 
 class TestCondorcetVote < Test::Unit::TestCase
+  def test_condorcet_empty
+    vote_array =  [[]]
+    assert_nil PureCondorcetVote.new(vote_array).result.winners[0]
+    assert_equal(false, PureCondorcetVote.new(vote_array).result.winner?)
+  end
 
   def test_condorcet
     vote_array = Array.new
@@ -12,9 +15,27 @@ class TestCondorcetVote < Test::Unit::TestCase
     3.times {vote_array << "CBA".split("")}
     2.times {vote_array << "BAC".split("")}
 
-    assert_equal ["B"], PureCondorcetVote.new(vote_array).result.winners[0]
+    assert_equal "B", PureCondorcetVote.new(vote_array).result.winners[0]
+    assert_equal [['B'], ['A'], ['C']], PureCondorcetVote.new(vote_array).result.ranked_candidates
   end
 
+  def test_condorcet_2
+    vote_array = Array.new
+    3.times {vote_array << "678".split("")}
+    3.times {vote_array << "768".split("")}
+    2.times {vote_array << "8".split("")}
+
+    v = PureCondorcetVote.new(vote_array)
+    assert_equal ["6", "7"], v.result.winners
+    assert_equal [['6', '7'], ['8']], v.result.ranked_candidates
+  end
+
+  def test_ssd_empty
+    vote_array = [[]]
+    assert_nil  CloneproofSSDVote.new(vote_array).result.winners[0]
+    assert_equal(false, CloneproofSSDVote.new(vote_array).result.winner?)
+  end
+  
   def test_ssd
     vote_array = Array.new
     5.times {vote_array << "ACBED".split("")}
@@ -28,7 +49,7 @@ class TestCondorcetVote < Test::Unit::TestCase
 
     assert_equal "E", CloneproofSSDVote.new(vote_array).result.winners[0]
     assert_equal [['E'], ['A'], ['C'], ['B'], ['D']], 
-                 CloneproofSSDVote.new(vote_array).results
+                 CloneproofSSDVote.new(vote_array).result.ranked_candidates
   end
 
   def test_ssd2
@@ -45,7 +66,7 @@ class TestCondorcetVote < Test::Unit::TestCase
 
     assert_equal "D", CloneproofSSDVote.new(vote_array).result.winners[0] 
     assert_equal [['D'], ['A'], ['C'], ['B']], 
-                 CloneproofSSDVote.new(vote_array).results
+                 CloneproofSSDVote.new(vote_array).result.ranked_candidates
   end
 
   def test_ssd3
@@ -57,7 +78,7 @@ class TestCondorcetVote < Test::Unit::TestCase
 
     assert_equal "B", CloneproofSSDVote.new(vote_array).result.winners[0]
     assert_equal [['B'], ['C'], ['D'], ['A']], 
-                 CloneproofSSDVote.new(vote_array).results
+                 CloneproofSSDVote.new(vote_array).result.ranked_candidates
   end
 
   def test_ssd_incomplete_votes
@@ -70,7 +91,7 @@ class TestCondorcetVote < Test::Unit::TestCase
 
     vote = CloneproofSSDVote.new(vote_array)
     assert_equal "B", vote.result.winners[0]
-    assert_equal [['B'], ['C'], ['D'], ['A']], vote.results
+    assert_equal [['B'], ['C'], ['D'], ['A']], vote.result.ranked_candidates
   end
 
   def test_ssd_incomplete_votes_2
@@ -83,7 +104,7 @@ class TestCondorcetVote < Test::Unit::TestCase
 
     vote = CloneproofSSDVote.new(vote_array)
     assert_equal "B", vote.result.winners[0]
-    assert_equal [['B'], ['C'], ['D'], ['A']], vote.results
+    assert_equal [['B'], ['C'], ['D'], ['A']], vote.result.ranked_candidates
   end
 
   # 
@@ -95,7 +116,7 @@ class TestCondorcetVote < Test::Unit::TestCase
   def test_ssd_single_vote
     vote = CloneproofSSDVote.new([[78]])
     assert_equal 78, vote.result.winners[0]
-    assert_equal [[78]], vote.results
+    assert_equal [[78]], vote.result.ranked_candidates
   end
 
   def test_ssd_sparse
@@ -103,8 +124,8 @@ class TestCondorcetVote < Test::Unit::TestCase
     vote_array << ['B', 'D']
     vote_array << ['A', 'C']
     vote_array << ['E', 'C']
-    results = CloneproofSSDVote.new(vote_array).results
-    assert_equal 5, results.flatten.size
+    ranked_candidates = CloneproofSSDVote.new(vote_array).result.ranked_candidates
+    assert_equal 5, ranked_candidates.flatten.size
   end
 
   def test_ssd_sparse_2
@@ -113,7 +134,25 @@ class TestCondorcetVote < Test::Unit::TestCase
     vote_array << [64, 65, 66, 63]
     vote = CloneproofSSDVote.new(vote_array)
     assert_equal 65, vote.result.winners[0]
-    assert_equal [[65, 64], [63, 66]], vote.results
+    assert_equal [[65, 64], [63, 66]], vote.result.ranked_candidates
   end
 
+  def test_ssd_multiple_equivalent
+    vote_array = Array.new
+    vote_array << ['B', ['A', 'C'], 'D']
+    vote_array << ['A', 'C']
+    vote_array << [['E', 'D'], 'C']
+    ranked_candidates = CloneproofSSDVote.new(vote_array).result.ranked_candidates
+    assert_equal 5, ranked_candidates.flatten.size
+    assert_equal [['A', 'C'], ['B', 'D'], ['E']], ranked_candidates
+  end
+
+  def test_ssd_multiple_equivalent_2
+    vote_array = Array.new
+    vote_array << ['B', ['A'], 'C']
+    vote_array << ['B', ['C'], 'A']
+    ranked_candidates = CloneproofSSDVote.new(vote_array).result.ranked_candidates
+    assert_equal 3, ranked_candidates.flatten.size
+    assert_equal [['B'], ['A', 'C']], ranked_candidates
+  end
 end