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binder_test.py
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binder_test.py
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import unittest
from typing import Dict, ForwardRef
from unittest import TestCase
from jyuusu.binder import Module, Binder
from jyuusu.constructor_resolver import injectable_class, memoized, ResolverSpec, \
make_injectable_class
from jyuusu.factory_resolver import injectable_factory, factory_class
from jyuusu.injectors import create_injector
from jyuusu.provider import Provider, Lazy
class BinderTest(TestCase):
def test_01(self):
@injectable_class
class A:
def __init__(self):
self.value = 10
@injectable_class
class B:
def __init__(self, a: A):
self.a = a
self.value = 20
class Module_(Module):
def configure(self, binder: Binder):
binder.install_class(A).install_class(B)
injector = create_injector(Module_)
a = injector.get_instance(A)
b = injector.get_instance(B)
self.assertEqual(a.value, 10)
self.assertEqual(b.a.value, 10)
self.assertNotEqual(a, b.a)
def test_02(self):
@memoized
@injectable_class
class A:
def __init__(self):
self.value = 10
@injectable_class
class B:
def __init__(self, a: A):
self.a = a
self.value = 20
class Module_(Module):
def configure(self, binder: Binder):
binder.install_class(A).install_class(B)
injector = create_injector(Module_)
a = injector.get_instance(A)
b = injector.get_instance(B)
self.assertEqual(a.value, 10)
self.assertEqual(b.a.value, 10)
self.assertEqual(a, b.a)
def test_03(self):
class A:
def __init__(self):
self.value = 10
@injectable_class
class B(A):
def __init__(self):
super().__init__()
self.value = 20
@injectable_class
class C(A):
def __init__(self):
super().__init__()
self.value = 30
class Module_(Module):
def configure(self, binder: Binder):
binder.install_class(B)
binder.install_class(C)
binder.install_class(C)
binder.install_class(B)
binder.bind(A).to_type(B)
injector = create_injector(Module_)
a = injector.get_instance(A)
self.assertEqual(a.value, 20)
def test_04(self):
class Module_(Module):
def configure(self, binder: Binder):
binder.install_dict(str, int)
binder.bind_to_dict(str, int).with_key("a").to_instance(1)
binder.bind_to_dict(str, int).with_key("b").to_instance(2)
binder.bind_to_dict(str, int).with_key("c").to_instance(3)
injector = create_injector(Module_)
a = injector.get_instance(Dict[str, int])
self.assertEqual(a, {"a": 1, "b": 2, "c": 3})
def test_05(self):
@injectable_class
class A:
def __init__(self, int_str_map: Dict[str, int]):
self.int_str_map = int_str_map
class Module_(Module):
def configure(self, binder: Binder):
binder.install_class(A)
binder.install_dict(str, int)
binder.bind_to_dict(str, int).with_key("a").to_instance(1)
binder.bind_to_dict(str, int).with_key("b").to_instance(2)
binder.bind_to_dict(str, int).with_key("c").to_instance(3)
injector = create_injector(Module_)
a = injector.get_instance(A)
self.assertEqual(a.int_str_map, {"a": 1, "b": 2, "c": 3})
def test_06(self):
@injectable_class
class A:
def __init__(self, int_str_map: Provider[Dict[str, int]]):
self.int_str_map = int_str_map
class Module_(Module):
def configure(self, binder: Binder):
binder.install_class(A)
binder.install_dict(str, int)
binder.bind_to_dict(str, int).with_key("a").to_instance(1)
binder.bind_to_dict(str, int).with_key("b").to_instance(2)
binder.bind_to_dict(str, int).with_key("c").to_instance(3)
injector = create_injector(Module_)
a = injector.get_instance(A)
self.assertEqual(a.int_str_map.get(), {"a": 1, "b": 2, "c": 3})
def test_07(self):
@injectable_class
class A:
def __init__(self, int_str_map: Lazy[Dict[str, int]]):
self.int_str_map = int_str_map
class Module_(Module):
def configure(self, binder: Binder):
binder.install_class(A)
binder.install_dict(str, int)
binder.bind_to_dict(str, int).with_key("a").to_instance(1)
binder.bind_to_dict(str, int).with_key("b").to_instance(2)
binder.bind_to_dict(str, int).with_key("c").to_instance(3)
injector = create_injector(Module_)
a = injector.get_instance(A)
self.assertEqual(a.int_str_map.get(), {"a": 1, "b": 2, "c": 3})
def test_08(self):
@injectable_class
class A:
def __init__(self):
self.value = 10
@injectable_class
class B:
def __init__(self):
self.value = 20
@injectable_class
class C:
def __init__(self):
self.value = 30
@injectable_factory(resolved_start='a')
class D:
def __init__(self, value: int, a: A, b: B, c: C):
self.c = c
self.b = b
self.a = a
self.value = value
class Module_(Module):
def configure(self, binder: Binder):
binder.install_class(A)
binder.install_class(B)
binder.install_class(C)
binder.install_class(factory_class(D))
injector = create_injector(Module_)
d_factory = injector.get_instance(factory_class(D))
d = d_factory.create(50)
self.assertEqual(d.value, 50)
self.assertEqual(d.a.value, 10)
self.assertEqual(d.b.value, 20)
self.assertEqual(d.c.value, 30)
def test_09(self):
class A:
def __init__(self, b: ForwardRef("B")):
self.b = b
self.value = 10
@injectable_class
class B:
def __init__(self):
self.value = 20
make_injectable_class(A, b=ResolverSpec.of(B))
class Module_(Module):
def configure(self, binder: Binder):
binder.install_class(A)
binder.install_class(B)
injector = create_injector(Module_)
a = injector.get_instance(A)
self.assertEqual(a.value, 10)
self.assertEqual(a.b.value, 20)
def test10(self):
@injectable_class
class A:
def __init__(self):
self.value = 10
@injectable_class
class B:
def __init__(self, a: A):
self.a = a
self.value = 20
injector = create_injector()
b = injector.get_instance(B)
self.assertEqual(b.value, 20)
self.assertEqual(b.a.value, 10)
if __name__ == "__main__":
unittest.main()