Added new folder names and unit tests

cli_application.py

@@ -15,7 +15,7 @@ class CliApplication(cmd.Cmd):
 
     def __init__(self, application_path=None, application_name="generator", args=None):
         self.logger = get_logger(__name__)
-        self.curve_paths = os.path.join(application_path, "curves")
+        self.curve_paths = os.path.join(application_path, "test_curves")
         self.arguments = args
         self.parse_cmd_args(self.arguments)
         sys.exit(1)

data_objects/point.py

@@ -5,11 +5,17 @@
 
 
 def distance_between_points(start_point, end_point):
+    """
+    Calculate the distance oif the line segment between the start and end Points
+    :param start_point: Point
+    :param end_point: Point
+    :return: double: The distance between the two provided Points
+    """
     x = end_point.get_x() - start_point.get_x()
     y = end_point.get_y() - start_point.get_y()
     z = end_point.get_z() - start_point.get_z()
 
-    return float((x * x + y * y + z * z) ** (1 / 2))
+    return (x * x + y * y + z * z) ** 0.5
 
 
 class Point:
@@ -20,17 +26,17 @@ def __init__(self, x_val, y_val, z_val):
         self.z_val = z_val
 
     def __eq__(self, other):
-        """Override the default Equals behavior"""
+        """Override the default Equals behavior to compare the X, Y, and Z values"""
         if isinstance(other, self.__class__):
             return self.x_val == other.x_val and self.y_val == other.y_val and self.z_val == other.z_val
         return False
 
     def get_x(self):
-        return self.x_val
+        return float(self.x_val)
 
     def get_y(self):
-        return self.y_val
+        return float(self.y_val)
 
     def get_z(self):
-        return self.z_val
+        return float(self.z_val)
 

subdivision_generator_orig.py

@@ -87,7 +87,7 @@ def distanceBetweenTwoPoints(startPoint, endPoint):
     z = endPoint[2] - startPoint[2]
 
     # return math.sqrt( x*x + y*y + z*z)
-    return (x * x + y * y + z * z) ** (1 / 2)
+    return (x * x + y * y + z * z) ** (0.5)
 
 '''
 A function used to reduce a line segment between the startPoint and the endPoint

unit_tests/parser_test.py

@@ -10,7 +10,7 @@
 class ParserUnitTest(unittest.TestCase):
 
     def test_parser(self):
-        test_knot = parse_curve_file("../curves/Hulls_Trefoil_2017_09_03.curve")
+        test_knot = parse_curve_file("../test_curves/Hulls_Trefoil_2017_09_03.curve")
         points = test_knot.get_points()
 
         self.assertTrue(points[0] == Point(0, 4831838208, 10737418240))
@@ -21,6 +21,124 @@ def test_parser(self):
         self.assertTrue(points[5] == Point(21474836480, -32212254720, -32212254720))
         self.assertTrue(points[6] == Point(0, 4831838208, 10737418240))
 
+    def test_parser_with_high_precision_curve(self):
+        test_knot = parse_curve_file("../test_curves/TJP-4th-C1-high-precision.curve")
+        points = test_knot.get_points()
+
+        self.assertTrue(points[0] == Point(1.28318923, -2.84316645, -2.25593748))
+        self.assertTrue(points[1] == Point(1.139367593750000,  -2.831090593750000,  -2.293403687500000))
+        self.assertTrue(points[2] == Point(0.971135187500000,  -2.330181187500000,  -2.079607375000000))
+        self.assertTrue(points[3] == Point(0.802902781250000,  -1.829271781250000,  -1.865811062500000))
+        self.assertTrue(points[4] == Point(0.634670375000000,  -1.328362375000000,  -1.652014750000000))
+        self.assertTrue(points[5] == Point(0.466437968750000,  -0.827452968750000,  -1.438218437500000))
+        self.assertTrue(points[6] == Point(0.298205562500000,  -0.326543562500000,  -1.224422125000000))
+        self.assertTrue(points[7] == Point(0.129973156250000,   0.174365843750000,  -1.010625812500000))
+        self.assertTrue(points[8] == Point(-0.038259250000000,   0.675275250000000,  -0.796829500000000))
+        self.assertTrue(points[9] == Point(-0.206491656250000,   1.176184656250000,  -0.583033187500000))
+        self.assertTrue(points[10] == Point(-0.374724062500000,   1.677094062500000,  -0.369236875000000))
+        self.assertTrue(points[11] == Point(-0.542956468750000,   2.178003468750000,  -0.155440562500000))
+        self.assertTrue(points[12] == Point(-0.711188875000000,   2.678912875000000,   0.058355750000000))
+        self.assertTrue(points[13] == Point(-0.879421281250000,   3.179822281250000,   0.272152062500000))
+        self.assertTrue(points[14] == Point(-1.047653687500000,   3.680731687500000,   0.485948375000000))
+        self.assertTrue(points[15] == Point(-1.215886093750000,   4.181641093750000,   0.699744687500000))
+        self.assertTrue(points[16] == Point(-1.384118500000000,   4.682550500000000,   0.913541000000000))
+        self.assertTrue(points[17] == Point(-1.50375, 4.13635, 1.02434))
+        self.assertTrue(points[18] == Point(-1.62339, 3.59015, 1.13513))
+        self.assertTrue(points[19] == Point(-1.74303, 3.04394, 1.24592))
+        self.assertTrue(points[20] == Point(-1.86266, 2.49774, 1.35671))
+        self.assertTrue(points[21] == Point(-1.9823, 1.95154, 1.4675))
+        self.assertTrue(points[22] == Point(-2.10194, 1.40534, 1.57829))
+        self.assertTrue(points[23] == Point(-2.22157, 0.859137, 1.68908))
+        self.assertTrue(points[24] == Point(-2.34121, 0.312934, 1.79987))
+        self.assertTrue(points[25] == Point(-2.46084, -0.233267, 1.91066))
+        self.assertTrue(points[26] == Point(-2.58048, -0.779468, 2.02145))
+        self.assertTrue(points[27] == Point(-2.70012, -1.32567, 2.13224))
+        self.assertTrue(points[28] == Point(-2.81976, -1.87187, 2.24303))
+        self.assertTrue(points[29] == Point(-2.9394, -2.41807, 2.35382))
+        self.assertTrue(points[30] == Point(-3.05903, -2.96428, 2.46461))
+        self.assertTrue(points[31] == Point(-3.17867, -3.51048, 2.5754))
+        self.assertTrue(points[32] == Point(-3.2983075,-4.0566825,2.686189))
+        self.assertTrue(points[33] == Point(-3.09987, -3.63013, 2.36433))
+        self.assertTrue(points[34] == Point(-2.90143, -3.20357, 2.04247))
+        self.assertTrue(points[35] == Point(-2.70299, -2.77701, 1.72061))
+        self.assertTrue(points[36] == Point(-2.50455, -2.35045, 1.39875))
+        self.assertTrue(points[37] == Point(-2.30611, -1.92389, 1.07689))
+        self.assertTrue(points[38] == Point(-2.10767, -1.49733, 0.755026))
+        self.assertTrue(points[39] == Point(-1.90924, -1.07077, 0.433165))
+        self.assertTrue(points[40] == Point(-1.7108, -0.644214, 0.111303))
+        self.assertTrue(points[41] == Point(-1.51236, -0.217655, -0.210558))
+        self.assertTrue(points[42] == Point(-1.31393, 0.208903, -0.532419))
+        self.assertTrue(points[43] == Point(-1.11549, 0.635462, -0.854279))
+        self.assertTrue(points[44] == Point(-0.91705, 1.06202, -1.17614))
+        self.assertTrue(points[45] == Point(-0.718613, 1.48858, -1.498))
+        self.assertTrue(points[46] == Point(-0.520175, 1.91514, -1.81986))
+        self.assertTrue(points[47] == Point(-0.321737, 2.3417, -2.14172))
+        self.assertTrue(points[48] == Point(-0.1232995,2.768254,-2.463584))
+        self.assertTrue(points[49] == Point(0.128657, 2.3119, -2.23296))
+        self.assertTrue(points[50] == Point(0.380613, 1.85555, -2.00234))
+        self.assertTrue(points[51] == Point(0.632569, 1.3992, -1.77172))
+        self.assertTrue(points[52] == Point(0.884525, 0.942852, -1.5411))
+        self.assertTrue(points[53] == Point(1.13648, 0.486501, -1.31047))
+        self.assertTrue(points[54] == Point(1.38844, 0.0301505, -1.07985))
+        self.assertTrue(points[55] == Point(1.64039, -0.4262, -0.849228))
+        self.assertTrue(points[56] == Point(1.89235, -0.882551, -0.618607))
+        self.assertTrue(points[57] == Point(2.14431, -1.3389, -0.387985))
+        self.assertTrue(points[58] == Point(2.39626, -1.79525, -0.157363))
+        self.assertTrue(points[59] == Point(2.64821, -2.2516, 0.0732595))
+        self.assertTrue(points[60] == Point(2.90017, -2.70795, 0.303882))
+        self.assertTrue(points[61] == Point(3.15212, -3.1643, 0.534504))
+        self.assertTrue(points[62] == Point(3.40408, -3.62065, 0.765126))
+        self.assertTrue(points[63] == Point(3.65604, -4.077, 0.995748))
+        self.assertTrue(points[64] == Point(3.9079915,-4.533357,1.2263705))
+        self.assertTrue(points[65] == Point(3.41775, -4.27741, 1.08826))
+        self.assertTrue(points[66] == Point(2.9275, -4.02147, 0.950154))
+        self.assertTrue(points[67] == Point(2.43725, -3.76553, 0.812045))
+        self.assertTrue(points[68] == Point(1.947, -3.50958, 0.673937))
+        self.assertTrue(points[69] == Point(1.45675, -3.25364, 0.535829))
+        self.assertTrue(points[70] == Point(0.966502, -2.9977, 0.39772))
+        self.assertTrue(points[71] == Point(0.476253, -2.74175, 0.259611))
+        self.assertTrue(points[72] == Point(-0.0139957, -2.48581, 0.121503))
+        self.assertTrue(points[73] == Point(-0.504244, -2.22986, -0.0166055))
+        self.assertTrue(points[74] == Point(-0.994493, -1.97392, -0.154714))
+        self.assertTrue(points[75] == Point(-1.48474, -1.71798, -0.292822))
+        self.assertTrue(points[76] == Point(-1.97499, -1.46204, -0.430931))
+        self.assertTrue(points[77] == Point(-2.46524, -1.2061, -0.56904))
+        self.assertTrue(points[78] == Point(-2.95549, -0.950156, -0.707148))
+        self.assertTrue(points[79] == Point(-3.44574, -0.694214, -0.845257))
+        self.assertTrue(points[80] == Point(-3.935983,-0.438272,-0.983365))
+        self.assertTrue(points[81] == Point(-3.48885, -0.142371, -0.789876))
+        self.assertTrue(points[82] == Point(-3.04171, 0.153529, -0.596387))
+        self.assertTrue(points[83] == Point(-2.59457, 0.449429, -0.402898))
+        self.assertTrue(points[84] == Point(-2.14744, 0.745329, -0.209409))
+        self.assertTrue(points[85] == Point(-1.7003, 1.04123, -0.01592))
+        self.assertTrue(points[86] == Point(-1.25317, 1.33713, 0.177569))
+        self.assertTrue(points[87] == Point(-0.806037, 1.63303, 0.371058))
+        self.assertTrue(points[88] == Point(-0.358904, 1.92893, 0.564547))
+        self.assertTrue(points[89] == Point(0.0882295, 2.22483, 0.758035))
+        self.assertTrue(points[90] == Point(0.535363, 2.52073, 0.951523))
+        self.assertTrue(points[91] == Point(0.982496, 2.81663, 1.14501))
+        self.assertTrue(points[92] == Point(1.42963, 3.11253, 1.3385))
+        self.assertTrue(points[93] == Point(1.87677, 3.40843, 1.53199))
+        self.assertTrue(points[94] == Point(2.3239, 3.70433, 1.72548))
+        self.assertTrue(points[95] == Point(2.77104, 4.00023, 1.91897))
+        self.assertTrue(points[96] == Point(3.218174000000000,   4.296123000000000,   2.112459500000000))
+        self.assertTrue(points[97] == Point(3.098763125000000,   3.819365312500000,   1.823730781250000))
+        self.assertTrue(points[98] == Point(2.979352250000000,   3.342607625000000,   1.535002062500000))
+        self.assertTrue(points[99] == Point(2.859941375000000,   2.865849937500000,   1.246273343750000))
+        self.assertTrue(points[100] == Point(2.740530500000000,   2.389092250000000,   0.957544625000000))
+        self.assertTrue(points[101] == Point(2.621119625000000,   1.912334562500000,  0.668815906250000))
+        self.assertTrue(points[102] == Point(2.501708750000000,   1.435576875000000,   0.380087187500000))
+        self.assertTrue(points[103] == Point(2.382297875000000,   0.958819187500000,   0.091358468750000))
+        self.assertTrue(points[104] == Point(2.262887000000000,   0.482061500000000,  -0.197370250000000))
+        self.assertTrue(points[105] == Point(2.143476125000000,   0.005303812500000,  -0.486098968750000))
+        self.assertTrue(points[106] == Point(2.024065250000000,  -0.471453875000000,  -0.774827687500000))
+        self.assertTrue(points[107] == Point(1.904654375000000,  -0.948211562500000,  -1.063556406250000))
+        self.assertTrue(points[108] == Point(1.785243500000000,  -1.424969250000000,  -1.352285125000000))
+        self.assertTrue(points[109] == Point(1.665832625000000,  -1.901726937500000,  -1.641013843750000))
+        self.assertTrue(points[110] == Point(1.546421750000000,  -2.378484625000000,  -1.929742562500000))
+        self.assertTrue(points[111] == Point(1.427010875000000,  -2.855242312500000,  -2.218471281250000))
+        self.assertTrue(points[112] == Point(1.28318923, -2.84316645, -2.25593748))
+
 
 if __name__ == '__main__':
     unittest.main()

unit_tests/point_test.py

@@ -4,9 +4,11 @@
 """
 import unittest
 from data_objects.point import Point, distance_between_points
+from unit_test_helper import is_within_epsilon
 
 
 class PointTest(unittest.TestCase):
+    epsilon = .0001
     origin_test_point = Point(0, 0, 0)
     test_point = Point(12, 8, 4)
 
@@ -18,7 +20,13 @@ def test_getters(self):
     def test_distance_between_points(self):
         """Test the distance from the origin to 12, 8 , 4 -> it should be about 14.96662954"""
         distance = distance_between_points(self.origin_test_point, self.test_point)
-        self.assertTrue( distance == 14.96662954)
+        self.assertTrue(is_within_epsilon(distance, 14.96662954, self.epsilon), "The actual distance is: {0:0.10f}".format(distance))
+
+        distance = distance_between_points(self.origin_test_point, self.origin_test_point)
+        self.assertTrue(is_within_epsilon(distance, 0.0, self.epsilon), "The actual distance is: {0:0.10f}".format(distance))
+
+        distance = distance_between_points(self.test_point, self.test_point)
+        self.assertTrue(is_within_epsilon(distance, 0.0, self.epsilon), "The actual distance is: {0:0.10f}".format(distance))
 
 
 if __name__ == "__main__":

unit_tests/unit_test_helper.py

@@ -0,0 +1,9 @@
+"""
+A file containing static helper functions for Unit Tests
+@author Peter Zaffetti
+10/16/2017
+"""
+
+
+def is_within_epsilon(expected_value, actual_value, epsilon):
+    return expected_value + epsilon >= actual_value >= expected_value - epsilon