def test_2d_intersection_segment_have_partial_internal_overlap(self):
seg1 = Segment2d(Point2d(1, 1), Point2d(3, 3))
seg2 = Segment2d(Point2d(2, 2), Point2d(4, 4))
do_intersect, ixs = seg1.intersect(seg2)
self.assertTrue(do_intersect)
def test_2d_intersection_segments_have_full_overlap(self):
seg1 = Segment2d(Point2d(1, 1), Point2d(3, 3))
seg2 = Segment2d(Point2d(3, 3), Point2d(1, 1))
self.assertTrue(seg1 == seg2)
self.assertTrue(seg2 == seg1)
def test_command_add_update_generate_segments_correctly(self):
parser = CmdParser()
i11 = r'a "Weber Street" (2,-1) (2,2) (5,5) (5,6) (3,8)'
i11points = [
Point2d(2, -1),
Point2d(2, 2),
Point2d(5, 5),
Point2d(5, 6),
Point2d(3, 8)
]
i11segments = [
Segment2d(Point2d(2, -1), Point2d(2, 2)),
Segment2d(Point2d(2, 2), Point2d(5, 5)),
Segment2d(Point2d(5, 5), Point2d(5, 6)),
Segment2d(Point2d(5, 6), Point2d(3, 8))
]
db = {}
command = parser.parse(i11)
command.execute(db)
self.assertEqual(command.name, 'add street')
self.assertEqual(db[command.street].name, 'Weber Street')
self.assertItemsEqual(db[command.street].segments, i11segments)
def test_2d_intersection_segments_intersect_in_one_point(self):
seg1 = Segment2d(Point2d(0, 0), Point2d(4, 4))
seg2 = Segment2d(Point2d(0, 4), Point2d(4, 0))
do_intersect, ixs = seg1.intersect(seg2)
self.assertTrue(do_intersect)
self.assertTrue(ixs == Point2d(2, 2))
def test_2d_segments_are_equal(self):
seg1 = Segment2d(Point2d(1, 5), Point2d(2, 6))
seg2 = Segment2d(Point2d(1, 5), Point2d(2, 6))
seg3 = Segment2d(Point2d(2, 6), Point2d(1, 5))
self.assertTrue(seg1 == seg2)
self.assertTrue(seg1 == seg3)
def test_2d_intersecting_segments_do_not_contain_endpoints(self):
seg1 = Segment2d(Point2d(0, 0), Point2d(4, 4))
seg2 = Segment2d(Point2d(0, 4), Point2d(4, 0))
self.assertTrue(seg1.contains(seg1.ep1))
self.assertTrue(seg1.contains(seg1.ep2))
self.assertFalse(seg1.contains(seg2.ep1))
self.assertFalse(seg1.contains(seg2.ep2))
self.assertTrue(seg2.contains(seg2.ep1))
self.assertTrue(seg2.contains(seg2.ep2))
self.assertFalse(seg2.contains(seg1.ep1))
self.assertFalse(seg2.contains(seg1.ep2))
def test_uncontained_point_is_rejected(self):
sep11 = Point2d(0, 2)
sep12 = Point2d(3, 2)
seg1 = Segment2d(sep11, sep12)
sep21 = Point2d(4, 2)
sep22 = Point2d(6, 2)
seg2 = Segment2d(sep21, sep22)
self.assertFalse(seg1.contains(seg2.ep1))
self.assertFalse(seg1.contains(seg2.ep2))
self.assertFalse(seg2.contains(seg1.ep1))
self.assertFalse(seg2.contains(seg1.ep2))
def test_contained_point_is_detected(self):
sep11 = Point2d(0, 2)
sep12 = Point2d(5, 2)
seg1 = Segment2d(sep11, sep12)
sep21 = Point2d(4, 2)
sep22 = Point2d(7, 2)
seg2 = Segment2d(sep21, sep22)
self.assertTrue(seg1.contains(seg2.ep1))
self.assertFalse(seg1.contains(seg2.ep2))
self.assertFalse(seg2.contains(seg1.ep1))
self.assertTrue(seg2.contains(seg1.ep2))
def test_correct_input_addupdate_street_command_parses_successfully(self):
""" Tests that valid input for the 'Add street' command is parsed correctly """
parser = CmdParser()
i11 = r'a "Weber Street" (2,-1) (2,2) (5,5) (5,6) (3,8)'
command = parser.parse(i11)
i11segments = [
Segment2d(Point2d(2, -1), Point2d(2, 2)),
Segment2d(Point2d(2, 2), Point2d(5, 5)),
Segment2d(Point2d(5, 5), Point2d(5, 6)),
Segment2d(Point2d(5, 6), Point2d(3, 8))
]
self.assertEqual(command.name, 'add street')
self.assertEqual(command.street, 'Weber Street')
self.assertItemsEqual(self.db[command.street], command.points)
i12 = r' a "Weber Street" (2,-1) (2,2) (5,5) (5,6) (3,8)'
command = parser.parse(i12)
self.assertEqual(command.name, 'add street')
self.assertEqual(command.street, 'Weber Street')
self.assertItemsEqual(self.db[command.street], command.points)
i13 = r' a "Weber Street" (2,-1) (2,2) (5,5) (5,6) (3,8) '
command = parser.parse(i13)
self.assertEqual(command.name, 'add street')
self.assertEqual(command.street, 'Weber Street')
self.assertItemsEqual(self.db[command.street], command.points)
i21 = r'c "Weber Street" (4,2) (4,8)'
command = parser.parse(i21)
self.assertEqual(command.name, 'update street')
self.assertEqual(command.street, 'Weber Street')
self.assertItemsEqual([Point2d(4, 2), Point2d(4, 8)], command.points)
i22 = r' c "Weber Street" (4,2) (4,8)'
command = parser.parse(i22)
self.assertEqual(command.name, 'update street')
self.assertEqual(command.street, 'Weber Street')
self.assertItemsEqual([Point2d(4, 2), Point2d(4, 8)], command.points)
i23 = r' c "Weber Street" (4,2) (4,8) '
command = parser.parse(i23)
self.assertEqual(command.name, 'update street')
self.assertEqual(command.street, 'Weber Street')
self.assertItemsEqual([Point2d(4, 2), Point2d(4, 8)], command.points)
def test_street_constructor_builds_correct_segments(self):
points = [
Point2d(2, -1),
Point2d(2, 2),
Point2d(5, 5),
Point2d(5, 6),
Point2d(3, 8)
]
segments = [
Segment2d(Point2d(2, -1), Point2d(2, 2)),
Segment2d(Point2d(2, 2), Point2d(5, 5)),
Segment2d(Point2d(5, 5), Point2d(5, 6)),
Segment2d(Point2d(5, 6), Point2d(3, 8))
]
wstreet = Street("Weber Street", points)
self.assertItemsEqual(wstreet.segments, segments)
def test_2d_segments_are_not_equal(self):
seg1 = Segment2d(Point2d(0, 0), Point2d(4, 4))
seg2 = Segment2d(Point2d(0, 4), Point2d(4, 0))
self.assertFalse(seg1 == seg2)