Add Google Map of voters

[selectricity] / vendor / plugins / geokit / test / latlng_test.rb

diff --git a/vendor/plugins/geokit/test/latlng_test.rb b/vendor/plugins/geokit/test/latlng_test.rb
new file mode 100644 (file)
index 0000000..993d2be
--- /dev/null
+++ b/vendor/plugins/geokit/test/latlng_test.rb
@@ -0,0 +1,112 @@
+$LOAD_PATH.unshift File.join('..', 'lib')
+require 'geo_kit/mappable'
+require 'test/unit'
+
+class LatLngTest < Test::Unit::TestCase #:nodoc: all
+  
+  def setup
+    @loc_a = GeoKit::LatLng.new(32.918593,-96.958444)
+    @loc_e = GeoKit::LatLng.new(32.969527,-96.990159)
+    @point = GeoKit::LatLng.new(@loc_a.lat, @loc_a.lng)
+  end
+  
+  def test_distance_between_same_using_defaults
+    assert_equal 0, GeoKit::LatLng.distance_between(@loc_a, @loc_a)
+    assert_equal 0, @loc_a.distance_to(@loc_a)
+  end
+  
+  def test_distance_between_same_with_miles_and_flat
+    assert_equal 0, GeoKit::LatLng.distance_between(@loc_a, @loc_a, :units => :miles, :formula => :flat)
+    assert_equal 0, @loc_a.distance_to(@loc_a, :units => :miles, :formula => :flat)
+  end
+
+  def test_distance_between_same_with_kms_and_flat
+    assert_equal 0, GeoKit::LatLng.distance_between(@loc_a, @loc_a, :units => :kms, :formula => :flat)
+    assert_equal 0, @loc_a.distance_to(@loc_a, :units => :kms, :formula => :flat)
+  end
+  
+  def test_distance_between_same_with_miles_and_sphere
+    assert_equal 0, GeoKit::LatLng.distance_between(@loc_a, @loc_a, :units => :miles, :formula => :sphere)
+    assert_equal 0, @loc_a.distance_to(@loc_a, :units => :miles, :formula => :sphere)
+  end
+  
+  def test_distance_between_same_with_kms_and_sphere
+    assert_equal 0, GeoKit::LatLng.distance_between(@loc_a, @loc_a, :units => :kms, :formula => :sphere)
+    assert_equal 0, @loc_a.distance_to(@loc_a, :units => :kms, :formula => :sphere)
+  end
+  
+  def test_distance_between_diff_using_defaults
+    assert_in_delta 3.97, GeoKit::LatLng.distance_between(@loc_a, @loc_e), 0.01
+    assert_in_delta 3.97, @loc_a.distance_to(@loc_e), 0.01
+  end
+  
+  def test_distance_between_diff_with_miles_and_flat
+    assert_in_delta 3.97, GeoKit::LatLng.distance_between(@loc_a, @loc_e, :units => :miles, :formula => :flat), 0.2
+    assert_in_delta 3.97, @loc_a.distance_to(@loc_e, :units => :miles, :formula => :flat), 0.2
+  end
+
+  def test_distance_between_diff_with_kms_and_flat
+    assert_in_delta 6.39, GeoKit::LatLng.distance_between(@loc_a, @loc_e, :units => :kms, :formula => :flat), 0.4
+    assert_in_delta 6.39, @loc_a.distance_to(@loc_e, :units => :kms, :formula => :flat), 0.4
+  end
+  
+  def test_distance_between_diff_with_miles_and_sphere
+    assert_in_delta 3.97, GeoKit::LatLng.distance_between(@loc_a, @loc_e, :units => :miles, :formula => :sphere), 0.01
+    assert_in_delta 3.97, @loc_a.distance_to(@loc_e, :units => :miles, :formula => :sphere), 0.01
+  end
+  
+  def test_distance_between_diff_with_kms_and_sphere
+    assert_in_delta 6.39, GeoKit::LatLng.distance_between(@loc_a, @loc_e, :units => :kms, :formula => :sphere), 0.01
+    assert_in_delta 6.39, @loc_a.distance_to(@loc_e, :units => :kms, :formula => :sphere), 0.01
+  end
+  
+  def test_manually_mixed_in
+    assert_equal 0, GeoKit::LatLng.distance_between(@point, @point)
+    assert_equal 0, @point.distance_to(@point)
+    assert_equal 0, @point.distance_to(@loc_a)
+    assert_in_delta 3.97, @point.distance_to(@loc_e, :units => :miles, :formula => :flat), 0.2
+    assert_in_delta 6.39, @point.distance_to(@loc_e, :units => :kms, :formula => :flat), 0.4
+  end
+  
+  def test_heading_between
+    assert_in_delta 332, GeoKit::LatLng.heading_between(@loc_a,@loc_e), 0.5
+  end
+
+  def test_heading_to
+    assert_in_delta 332, @loc_a.heading_to(@loc_e), 0.5
+  end  
+  
+  def test_class_endpoint
+    endpoint=GeoKit::LatLng.endpoint(@loc_a, 332, 3.97)
+    assert_in_delta @loc_e.lat, endpoint.lat, 0.0005
+    assert_in_delta @loc_e.lng, endpoint.lng, 0.0005
+  end
+
+  def test_instance_endpoint
+    endpoint=@loc_a.endpoint(332, 3.97)
+    assert_in_delta @loc_e.lat, endpoint.lat, 0.0005
+    assert_in_delta @loc_e.lng, endpoint.lng, 0.0005
+  end  
+  
+  def test_midpoint
+    midpoint=@loc_a.midpoint_to(@loc_e)
+    assert_in_delta 32.944061, midpoint.lat, 0.0005
+    assert_in_delta -96.974296, midpoint.lng, 0.0005    
+  end  
+  
+  def test_normalize
+    lat=37.7690
+    lng=-122.443
+    res=GeoKit::LatLng.normalize(lat,lng)
+    assert_equal res,GeoKit::LatLng.new(lat,lng) 
+    res=GeoKit::LatLng.normalize("#{lat}, #{lng}")
+    assert_equal res,GeoKit::LatLng.new(lat,lng) 
+    res=GeoKit::LatLng.normalize("#{lat} #{lng}")
+    assert_equal res,GeoKit::LatLng.new(lat,lng)
+    res=GeoKit::LatLng.normalize("#{lat.to_i} #{lng.to_i}")
+    assert_equal res,GeoKit::LatLng.new(lat.to_i,lng.to_i)    
+    res=GeoKit::LatLng.normalize([lat,lng])
+    assert_equal res,GeoKit::LatLng.new(lat,lng)
+  end
+    
+end
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