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tests.py
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tests.py
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""" Tests for configure"""
from unittest import TestCase as BaseTestCase
from configure import Configuration, Ref, configure_obj, configure_obj_graph
class A(object):
def __init__(self, a, b=3):
self.a = a
self.b = b
def a(a, b=4):
return A(a, b=b)
class TestCase(BaseTestCase):
def config(self, v, ctx=None):
return Configuration.from_string(v.strip(), ctx=ctx)
def test_interpolation(self):
c = self.config("""
a: "%(a)s"
b: "%(b)s"
""", {"a": "aa", "b": "bb"})
self.assertEqual(c.a, "aa")
self.assertEqual(c.b, "bb")
def test_ref(self):
c = self.config("""
a: 1
b:
c: !ref a
d: !ref ..a
e: !ref .b
""")
self.assertEqual(c.a, 1)
self.assertEqual(c.e(c), c.b)
self.assertEqual(c.b.c(c.b), c.a)
self.assertEqual(c.b.d(c.b), c.a)
def test_obj(self):
c = self.config("""
a1:
factory: tests.A
a: 1
a2:
factory: tests.A
a: 2
b: 4
a3:
factory: tests.a
a: 3
a4:
factory: tests.a
a: 4
b: 5
""")
o = configure_obj(c.a1)
self.assertTrue(isinstance(o, A))
self.assertEqual(o.a, 1)
self.assertEqual(o.b, 3)
o = configure_obj(c.a2)
self.assertTrue(isinstance(o, A))
self.assertEqual(o.a, 2)
self.assertEqual(o.b, 4)
o = configure_obj(c.a3)
self.assertTrue(isinstance(o, A))
self.assertEqual(o.a, 3)
self.assertEqual(o.b, 4)
o = configure_obj(c.a4)
self.assertTrue(isinstance(o, A))
self.assertEqual(o.a, 4)
self.assertEqual(o.b, 5)
def test_obj_graph(self):
c = self.config("""
a: !obj
factory: tests.A
a: 1
b: !ref .b
b: !obj
factory: tests.a
a: 3
""")
c = configure_obj_graph(c)
self.assertTrue(isinstance(c.a, A))
self.assertEqual(c.a.a, 1)
self.assertTrue(isinstance(c.b, A))
self.assertEqual(c.b.a, 3)
self.assertTrue(isinstance(c.a.b, A))
self.assertEqual(c.a.b.a, c.b.a)
self.assertEqual(c.a.b.b, c.b.b)
self.assertTrue(c.a.b is c.b)