def test_unset2(self):
"""unset of array element"""
self.assertEqual(tohil.eval("info exists x(d)", to=int), 1)
self.assertEqual(tohil.exists("x(d)"), True)
tohil.unset("x(c)", "x(d)")
self.assertEqual(tohil.eval("info exists x(d)", to=int), 0)
self.assertEqual(tohil.exists("x(d)"), False)
def test_tclvar1(self, x, y):
"""test 'tclvar' tcolbj var sync into tcl and see it from python and vice versa"""
ns_name = "::tohil_test"
xname = ns_name + "::varsync_x"
yname = ns_name + "::varsync_y"
tohil.unset(xname, yname)
tx = tohil.tclvar(xname, default=x)
ty = tohil.tclvar(yname, default=y)
# compare the tclvar to tcl via a few different approaches
assert tx == x
assert tx == tohil.getvar(xname, to=int)
assert tx == tohil.eval(f"set {xname}", to=int)
assert tx == tohil.eval(f"return ${xname}", to=int)
assert tx == tohil.expr(f"${xname}", to=int)
# mutate tx tclvar and make sure the variable is changing
# on the tcl side
tx += ty
assert tx == tohil.getvar(xname, to=int)
assert tx == x + y
assert tx == tohil.getvar(xname, to=int)
assert tx == x + tohil.getvar(yname, to=int)
tx -= ty
assert tx == x
assert tx == tohil.getvar(xname, to=int)
def test_tclvar3(self, x):
"""interoperate python lists back and forth with tcl lists"""
ns_name = "::tohil_test"
list_name = ns_name + "::varsync_list"
tohil.unset(list_name)
tl = tohil.tclvar(list_name, default=x)
assert(str(tl) == tohil.getvar(list_name))
assert(list(tl) == tohil.getvar(list_name, to=list))
def test_tclvar6(self):
"""exercise tclobj extend method"""
ns_name = "::tohil_test"
list_name = ns_name + "::varsync_list"
tohil.unset(list_name)
tl = tohil.tclvar(list_name, default="1 2 3 4 5")
tl.extend(tohil.tclobj("1 2 3"))
self.assertEqual(len(tl), 8)
self.assertEqual(tl[0], 1)
self.assertEqual(tl[7], 3)
def test_tclvar5(self):
"""exercise tclobj append method"""
ns_name = "::tohil_test"
list_name = ns_name + "::varsync_list"
tohil.unset(list_name)
tl = tohil.tclvar(list_name, default="1 2 3 4 5")
assert(tl[0] == 1)
self.assertEqual(len(tl), 5)
tl.append('6')
self.assertEqual(len(tl), 6)
self.assertEqual(tl[0], 1)
self.assertEqual(tl[5], 6)
def test_unset3(self):
# make sure unset doesn't do anything if the var or element doesn't exist
tohil.unset("x(d)")
with self.assertRaises(NameError):
tohil.getvar("x(d)")
def test_unset1(self):
"""unset of scalar"""
tohil.unset()
tohil.unset("z")
tohil.unset("z", "z", "zz")
self.assertEqual(tohil.eval("info exists z", to=int), 0)