latlng_test.rb
4.41 KB
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$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