Migrate configuration tests

tests/unit/providers/configuration/__init__.py

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+"""Configuration provider tests."""

tests/unit/providers/configuration/conftest.py

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+"""Fixtures module."""
+
+from dependency_injector import providers
+from pytest import fixture
+
+
+@fixture
+def config_type():
+    return "default"
+
+
+@fixture
+def config(config_type):
+    if config_type == "strict":
+        return providers.Configuration(strict=True)
+    elif config_type == "default":
+        return providers.Configuration()
+    else:
+        raise ValueError("Undefined config type \"{0}\"".format(config_type))

tests/unit/providers/configuration/test_config_linking_py2_py3.py

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+"""Tests for configuration provider linking."""
+
+
+from dependency_injector import containers, providers
+
+
+class Core(containers.DeclarativeContainer):
+    config = providers.Configuration("core")
+    value_getter = providers.Callable(lambda _: _, config.value)
+
+
+class Services(containers.DeclarativeContainer):
+    config = providers.Configuration("services")
+    value_getter = providers.Callable(lambda _: _, config.value)
+
+
+def test():
+    root_config = providers.Configuration("main")
+    core = Core(config=root_config.core)
+    services = Services(config=root_config.services)
+
+    root_config.override(
+        {
+            "core": {
+                "value": "core",
+            },
+            "services": {
+                "value": "services",
+            },
+        },
+    )
+
+    assert core.config() == {"value": "core"}
+    assert core.config.value() == "core"
+    assert core.value_getter() == "core"
+
+    assert services.config() == {"value": "services"}
+    assert services.config.value() == "services"
+    assert services.value_getter() == "services"
+
+
+def test_double_override():
+    root_config = providers.Configuration("main")
+    core = Core(config=root_config.core)
+    services = Services(config=root_config.services)
+
+    root_config.override(
+        {
+            "core": {
+                "value": "core1",
+            },
+            "services": {
+                "value": "services1",
+            },
+        },
+    )
+    root_config.override(
+        {
+            "core": {
+                "value": "core2",
+            },
+            "services": {
+                "value": "services2",
+            },
+        },
+    )
+
+    assert core.config() == {"value": "core2"}
+    assert core.config.value() == "core2"
+    assert core.value_getter() == "core2"
+
+    assert services.config() == {"value": "services2"}
+    assert services.config.value() == "services2"
+    assert services.value_getter() == "services2"
+
+
+def test_reset_overriding_cache():
+    # See: https://github.com/ets-labs/python-dependency-injector/issues/428
+    class Core(containers.DeclarativeContainer):
+        config = providers.Configuration()
+
+        greetings = providers.Factory(str, config.greeting)
+
+    class Application(containers.DeclarativeContainer):
+        config = providers.Configuration()
+
+        core = providers.Container(
+            Core,
+            config=config,
+        )
+
+        greetings = providers.Factory(str, config.greeting)
+
+    container = Application()
+
+    container.config.set("greeting", "Hello World")
+    assert container.greetings() == "Hello World"
+    assert container.core.greetings() == "Hello World"
+
+    container.config.set("greeting", "Hello Bob")
+    assert container.greetings() == "Hello Bob"
+    assert container.core.greetings() == "Hello Bob"
+
+
+def test_reset_overriding_cache_for_option():
+    # See: https://github.com/ets-labs/python-dependency-injector/issues/428
+    class Core(containers.DeclarativeContainer):
+        config = providers.Configuration()
+
+        greetings = providers.Factory(str, config.greeting)
+
+    class Application(containers.DeclarativeContainer):
+        config = providers.Configuration()
+
+        core = providers.Container(
+            Core,
+            config=config.option,
+        )
+
+        greetings = providers.Factory(str, config.option.greeting)
+
+    container = Application()
+
+    container.config.set("option.greeting", "Hello World")
+    assert container.greetings() == "Hello World"
+    assert container.core.greetings() == "Hello World"
+
+    container.config.set("option.greeting", "Hello Bob")
+    assert container.greetings() == "Hello Bob"
+    assert container.core.greetings() == "Hello Bob"