def test_info():
a = Angle_libre(u"30°")
assert str(a.deg) == '30'
with contexte(unite_angle='d'):
assert a.info == u'Angle de valeur 30°'
with contexte(unite_angle='r'):
assert a.info == u'Angle de valeur pi/6 rad'
with contexte(unite_angle='g'):
assert a.info == u'Angle de valeur 100/3 grad'
def test_info():
a = Angle_libre(u"30°")
assert str(a.deg) == '30'
with contexte(unite_angle='d'):
assert a.info == u'Angle de valeur 30°'
with contexte(unite_angle='r'):
assert a.info == u'Angle de valeur pi/6 rad'
with contexte(unite_angle='g'):
assert a.info == u'Angle de valeur 100/3 grad'
def test_Triangle_isocele():
A = rand_pt()
B = rand_pt()
tri = Triangle_isocele(A, B, 2*pi/13)
C = tri.point3
a = Angle(B, A, C)
assertAlmostEqual(a.radian, 2*pi/13)
assertAlmostEqual(Segment(A, B).longueur, Segment(A, C).longueur)
t1 = Triangle_isocele((0, 0), (1, 1), u'90°')
assertAlmostEqual(t1.point3.xy, (-1, 1))
t2 = Triangle_isocele((0, 0), (2, 0), pi/3)
assertAlmostEqual(t2.point3.xy, (2*cos(pi/3), 2*sin(pi/3)))
with contexte(unite_angle='d'):
t2.point3.xy = (0, 9)
assertAlmostEqual(t2.point3.xy, (0, 2))
with contexte(unite_angle='r'):
t2.point3.xy = (0, 9)
assertAlmostEqual(t2.point3.xy, (0, 2))
def test_Triangle_isocele():
A = rand_pt()
B = rand_pt()
tri = Triangle_isocele(A, B, 2 * pi / 13)
C = tri.point3
a = Angle(B, A, C)
assertAlmostEqual(a.radian, 2 * pi / 13)
assertAlmostEqual(Segment(A, B).longueur, Segment(A, C).longueur)
t1 = Triangle_isocele((0, 0), (1, 1), u'90°')
assertAlmostEqual(t1.point3.xy, (-1, 1))
t2 = Triangle_isocele((0, 0), (2, 0), pi / 3)
assertAlmostEqual(t2.point3.xy, (2 * cos(pi / 3), 2 * sin(pi / 3)))
with contexte(unite_angle='d'):
t2.point3.xy = (0, 9)
assertAlmostEqual(t2.point3.xy, (0, 2))
with contexte(unite_angle='r'):
t2.point3.xy = (0, 9)
assertAlmostEqual(t2.point3.xy, (0, 2))
def test_formules():
f = Feuille()
o = f.objets
o.A = Point(e, 3)
o.M = Point()
o.M.label(u'{1/ln(A.x) + A.y}', mode='formule')
# Détails d'implémentation (peut être modifié par la suite)
assert o.M.mode_affichage == 'formule'
assertEqual(o.M.etiquette.texte, u'{1/ln(A.x)+A.y}')
assert isinstance(o.M.etiquette.formule, Formule)
# Par contre, ceci doit rester valable quelle que soit l'implémentation !
assertAlmostEqual(float(o.M.label()), 4.)
o.A.x = e**2
with contexte(separateur_decimal='.'):
assertEqual(o.M.label(), '3.5')
with contexte(separateur_decimal=','):
assertEqual(o.M.label(), '3,5')
def test_info():
f = Feuille()
o = f.objets
with contexte(decimales = 2):
A = o.A = Point(5, 7)
assert(A.info == u"Point A de coordonnées (5, 7)")
B = o.B = Point(6.5, 9.3)
assert(B.info == u"Point B de coordonnées (6.5, 9.3)")
s = o.s = Segment(A, B)
assert(s.info == u"Segment s de longueur 2.75")
c = o.c = Cercle(s)
assert(c.info == u"Cercle c de rayon 1.37")
d = o.d = Droite(A, B)
assert(d.info == u"Droite d d'équation -2.3 x + 1.5 y + 1 = 0")
C = o.C = Point(-1.5, 2.7)
a = o.a = Arc_cercle(A, B, C)
assert(a.info == u'Arc a de longueur 7.5')
alpha = o.alpha = Angle(A, B, C)
assert(alpha.info == u'Angle alpha de valeur 0.3')
with contexte(decimales = 3):
assert(a.info == u'Arc a de longueur 7.505')
def test_info():
f = Feuille()
o = f.objets
with contexte(decimales=2):
A = o.A = Point(5, 7)
assert A.info == u"Point A de coordonnées (5 ; 7)"
B = o.B = Point(6.5, 9.3)
assert B.info == u"Point B de coordonnées (6,5 ; 9,3)"
s = o.s = Segment(A, B)
assert s.info == u"Segment s de longueur 2,75"
c = o.c = Cercle(s)
assert c.info == u"Cercle c de rayon 1,37"
d = o.d = Droite(A, B)
assert d.info == u"Droite d d'équation -2,3 x + 1,5 y + 1 = 0"
C = o.C = Point(-1.5, 2.7)
a = o.a = Arc_cercle(A, B, C)
assert a.info == u"Arc a de longueur 7,5"
alpha = o.alpha = Angle(A, B, C)
assertEqual(alpha.info, u"Angle alpha de valeur 0,3 rad")
with contexte(decimales=3):
assert a.info == u"Arc a de longueur 7,505"
def test_contexte_degre():
with contexte(unite_angle='d'):
a = Angle_libre('pi rad')
assertAlmostEqual(a.deg, 180)
a = Angle_libre('100 grad')
assertAlmostEqual(a.deg, 90)
b = Angle_libre(30)
assertAlmostEqual(b.rad, math.pi / 6)
# En interne, tout doit être stocké en radians
assert float(b.val) == float(b.rad)
# On doit avoir eval(repr(b)) == b
assertAlmostEqual(eval(repr(b)).deg, 30)
def test_contexte_degre():
with contexte(unite_angle='d'):
a = Angle_libre('pi rad')
assertAlmostEqual(a.deg, 180)
a = Angle_libre('100 grad')
assertAlmostEqual(a.deg, 90)
b = Angle_libre(30)
assertAlmostEqual(b.rad, math.pi/6)
# En interne, tout doit être stocké en radians
assert float(b.val) == float(b.rad)
# On doit avoir eval(repr(b)) == b
assertAlmostEqual(eval(repr(b)).deg, 30)
def test_info():
f = Feuille()
o = f.objets
with contexte(decimales = 2):
A = o.A = Point(5, 7)
assert(A.info == u"Point A de coordonnées (5, 7)")
B = o.B = Point(6.5, 9.3)
assert(B.info == u"Point B de coordonnées (6.5, 9.3)")
s = o.s = Segment(A, B)
assert(s.info == u"Segment s de longueur 2.75")
c = o.c = Cercle(s)
assert(c.info == u"Cercle c de rayon 1.37")
d = o.d = Droite(A, B)
assert(d.info == u"Droite d d'équation -2.3 x + 1.5 y + 1 = 0")
C = o.C = Point(-1.5, 2.7)
a = o.a = Arc_cercle(A, B, C)
assert(a.info == u'Arc a de longueur 7.5')
alpha = o.alpha = Angle(A, B, C)
assert(alpha.info == u'Angle alpha de valeur 0.3')
with contexte(decimales = 3):
assert(a.info == u'Arc a de longueur 7.505')
def assert_eq(*args):
assert len(args) > 2
locals_ = args[-1]
expected = S(args[-2])
args = args[:-2]
for exact in (True, False):
if not exact:
expected = tofloat(expected)
with contexte(exact=exact):
for arg in args:
val = eval(arg, locals_)
TEST = (allsym(val) if exact else allnum(val))
if not TEST:
print(repr(val) + ' should only contain %s.' %('exact values' if exact else 'floats'))
assert TEST
TEST = eq(val, expected)
if not TEST:
print("'%s' equals to '%s', not '%s'." %(arg, repr(val), repr(expected)))
assert TEST
def assert_eq(*args):
assert len(args) > 2
locals_ = args[-1]
expected = S(args[-2])
args = args[:-2]
for exact in (True, False):
if not exact:
expected = tofloat(expected)
with contexte(exact=exact):
for arg in args:
val = eval(arg, locals_)
TEST = (allsym(val) if exact else allnum(val))
if not TEST:
print(
repr(val) + ' should only contain %s.' %
('exact values' if exact else 'floats'))
assert TEST
TEST = eq(val, expected)
if not TEST:
print("'%s' equals to '%s', not '%s'." %
(arg, repr(val), repr(expected)))
assert TEST
def test_issue_215():
# Quand les angles sont en degré, les valeurs par défaut des triangles isocèles sont incorrectes
with contexte(unite_angle='d'):
for i in range(10):
t = Triangle_isocele()
assert abs(t.angle.rad) > pi/6
def test_issue_215():
# Quand les angles sont en degré, les valeurs par défaut des triangles isocèles sont incorrectes
with contexte(unite_angle='d'):
for i in range(10):
t = Triangle_isocele()
assert abs(t.angle.rad) > pi / 6
