class TestRectangle(unittest.TestCase):
def setUp(self):
self.r1 = Rectangle(0, 0, 5, 6)
self.r2 = Rectangle(3, 4, 7, 8)
self.r3 = Rectangle(6, 7, 8, 8)
self.r4 = Rectangle(Point(1, 2), Point(3, 4))
self.r5 = Rectangle(Fraction(1, 2), Fraction(2, 3), Fraction(3, 4),
Fraction(4, 5))
def test_init(self):
self.assertRaises(ValueError, Rectangle, 0, 4, -1, 6)
self.assertRaises(ValueError, Rectangle, 0, 4, 2, 2)
self.assertRaises(ValueError, Rectangle, 0, 0, 2)
self.assertRaises(ValueError, Rectangle, 1, 2)
self.assertRaises(ValueError, Rectangle, Point(1, 1), 2)
self.assertRaises(ValueError, Rectangle, 1, Point(2, 2))
self.assertEqual(self.r1.pt1, Point(0, 0))
self.assertEqual(self.r1.pt2, Point(5, 6))
self.assertEqual(self.r4.pt1, Point(1, 2))
self.assertEqual(self.r4.pt2, Point(3, 4))
def test_print(self):
self.assertEqual(repr(self.r1), "Rectangle(0, 0, 5, 6)")
self.assertEqual(repr(self.r2), "Rectangle(3, 4, 7, 8)")
self.assertEqual(repr(self.r3), "Rectangle(6, 7, 8, 8)")
self.assertEqual(repr(self.r4), "Rectangle(1, 2, 3, 4)")
self.assertEqual(
repr(self.r5),
"Rectangle(Fraction(1, 2), Fraction(2, 3), Fraction(3, 4), Fraction(4, 5))"
)
def test_cmp(self):
self.assertEqual(Rectangle(), Rectangle(0, 0, 1, 1))
self.assertTrue(self.r1 == Rectangle(0, 0, 5, 6))
self.assertFalse(self.r1 == self.r2)
self.assertTrue(self.r1 != self.r2)
self.assertFalse(self.r1 != Rectangle(0, 0, 5, 6))
self.assertTrue(self.r1 < self.r2)
self.assertFalse(self.r3 < self.r2)
self.assertTrue(self.r1 <= self.r2)
self.assertFalse(self.r3 <= self.r2)
self.assertTrue(self.r3 > self.r1)
self.assertFalse(self.r2 > self.r3)
self.assertTrue(self.r3 >= self.r1)
self.assertFalse(self.r2 >= self.r3)
def test_copy(self):
r4 = self.r1.copy()
self.assertEqual(r4, self.r1)
self.assertNotEqual(id(r4), id(self.r1))
def test_center(self):
self.assertEqual(self.r1.center(), Point(2.5, 3))
self.assertEqual(self.r2.center(), Point(5, 6))
def test_area(self):
self.assertEqual(self.r1.area(), 30)
self.assertEqual(self.r2.area(), 16)
def test_move(self):
self.assertEqual(self.r1.move(1, 2), Rectangle(1, 2, 6, 8))
self.assertEqual(self.r1.move(Point(1, 2)), Rectangle(1, 2, 6, 8))
self.assertRaises(ValueError, Rectangle.move, self.r1, 1)
def test_intersection(self):
r5 = self.r1.intersection(self.r2)
self.assertEqual(r5, Rectangle(3, 4, 5, 6))
self.assertRaises(ValueError, Rectangle.intersection, self.r1, self.r3)
def test_cover(self):
r6 = self.r1.cover(self.r2)
self.assertEqual(r6, Rectangle(0, 0, 7, 8))
def test_make4(self):
r1 = Rectangle(0, 0, 2.5, 3)
r2 = Rectangle(2.5, 3, 5, 6)
r3 = Rectangle(0, 3, 2.5, 6)
r4 = Rectangle(2.5, 0, 5, 3)
result = self.r1.make4()
self.assertTrue(r1 in result)
self.assertTrue(r2 in result)
self.assertTrue(r3 in result)
self.assertTrue(r4 in result)
def test_make4_frac(self):
r1 = Rectangle(0, 0, Fraction(5, 2), 3)
r2 = Rectangle(Fraction(5, 2), 3, 5, 6)
r3 = Rectangle(0, 3, Fraction(5, 2), 6)
r4 = Rectangle(Fraction(5, 2), 0, 5, 3)
result = self.r1.make4()
self.assertTrue(r1 in result)
self.assertTrue(r2 in result)
self.assertTrue(r3 in result)
self.assertTrue(r4 in result)
def test_hash(self):
aset = set()
aset.add(self.r1)
aset.add(self.r1) # ignored
aset.add(Rectangle(0.0, 0.0, 5.0, 6.0)) # ignored, float
self.assertEqual(len(aset), 1)
aset.add(self.r2)
self.assertEqual(len(aset), 2)
def test_contains(self):
self.assertTrue(Point(1, 1) in self.r1)
self.assertFalse(Point(1, 7) in self.r1)
self.assertFalse(Point(7, 1) in self.r1)
self.assertRaises(ValueError, Rectangle.__contains__, self.r1, 1)
# segment in rectangle
self.assertTrue(Segment(1, 1, 2, 2) in self.r1)
self.assertFalse(Segment(1, 1, 7, 7) in self.r1)
def test_is_square(self):
self.assertTrue(self.r2.is_square())
self.assertFalse(self.r1.is_square())
def test_iterpoints(self):
L = list(self.r1.iterpoints())
self.assertEqual(L[0], Point(0, 0))
self.assertEqual(L[1], Point(5, 0))
self.assertEqual(L[2], Point(5, 6))
self.assertEqual(L[3], Point(0, 6))
def test_itersegments(self):
r1 = Rectangle(0, 0, 5, 6)
L = list(r1.itersegments())
self.assertTrue(Segment(0, 0, 5, 0) in L)
self.assertTrue(Segment(0, 0, 0, 6) in L)
self.assertTrue(Segment(0, 6, 5, 6) in L)
self.assertTrue(Segment(5, 0, 5, 6) in L)
def test_itersegments_oriented(self):
r1 = Rectangle(0, 0, 5, 6)
L = list(r1.itersegments_oriented())
self.assertTrue(Segment(0, 0, 0, 6) in L)
self.assertTrue(Segment(0, 6, 5, 6) in L)
self.assertTrue(Segment(5, 6, 5, 0) in L)
self.assertTrue(Segment(5, 0, 0, 0) in L)
def test_gnu(self):
s1 = 'set label "" at 0.0,0.0 point pt 7 ps 0.5\n'
s2 = 'set label "" at 5.0,6.0 point pt 7 ps 0.5\n'
s3 = 'set label "" at 0.0,6.0 point pt 7 ps 0.5\n'
s4 = 'set label "" at 5.0,0.0 point pt 7 ps 0.5\n'
s5 = 'set object rectangle from 0.0,0.0 to 5.0,6.0 fs empty\n'
self.assertEqual(self.r1.gnu(True), s1 + s2 + s3 + s4 + s5)
def test_bounding_box(self):
point_list = [Point(1, 0), Point(0, 1), Point(1, 2), Point(3, 1)]
result = bounding_box(point_list)
self.assertEqual(result, Rectangle(0, 0, 3, 2))
def tearDown(self):
pass
#!/usr/bin/python
import random
import Gnuplot # Python 2 only
from planegeometry.structures.points import Point
from planegeometry.structures.segments import Segment
from planegeometry.structures.rectangles import Rectangle
from planegeometry.structures.triangles import Triangle
from planegeometry.structures.circles import Circle
gnu = Gnuplot.Gnuplot(persist=1)
visible = True
rectangle = Rectangle(0.1, 0.3, 0.9, 0.7)
gnu(rectangle.gnu(visible))
triangle = Triangle(0.2, 0.2, 0.8, 0.4, 0.6, 0.8)
gnu(triangle.gnu(visible))
circle = Circle(0.4, 0.6, 0.2)
gnu(circle.gnu(visible))
# Wyswietlenie grafu.
gnu('set terminal pdf enhanced')
gnu('set output "random_figures.pdf"')
gnu('set grid')
gnu('unset key')
gnu('set size square')
#gnu('unset border')
#gnu('unset tics')