015 add tracing

tests/config/test_config_sections.py

@@ -24,6 +24,16 @@ INVALID_PRICE_MULTIPLIER_CONFIG_FILE = (
 MISSING_PRICE_MULTIPLIER_CONFIG_FILE = (
     PROJECT_ROOT / "tests" / "config" / "fixtures" / "config.missing_price_multiplier.yaml"
 )
+MISSING_OBSERVABILITY_CONFIG_FILE = (
+    PROJECT_ROOT / "tests" / "config" / "fixtures" / "config.missing_observability.yaml"
+)
+MISSING_OBSERVABILITY_ENDPOINT_CONFIG_FILE = (
+    PROJECT_ROOT
+    / "tests"
+    / "config"
+    / "fixtures"
+    / "config.missing_observability_endpoint.yaml"
+)
 
 
 def _use_runtime_config_files(
@@ -64,6 +74,10 @@ def test_configuration_sections_are_loaded_from_yaml_file(
     assert settings.adapter.cdek_retry_backoff_seconds == 0.2
     assert settings.adapter.cdek_timeout_seconds == 10.0
     assert settings.adapter.cdek_cache_ttl_seconds == 900
+    assert settings.observability.enabled is False
+    assert settings.observability.service_name == "g2s-aggregator-test"
+    assert settings.observability.otlp_endpoint == "http://localhost:4317"
+    assert settings.observability.otlp_insecure is True
 
 
 def test_get_settings_fails_when_required_yaml_section_is_missing(
@@ -91,6 +105,7 @@ def test_get_settings_returns_cached_instance(monkeypatch: pytest.MonkeyPatch) -
     assert first is second
     assert first.service.provider_timeout_seconds == 10.0
     assert first.business_logic.provider_price_multiplier == Decimal("1.0")
+    assert first.observability.service_name == "g2s-aggregator-test"
     get_settings.cache_clear()
 
 
@@ -109,6 +124,10 @@ def test_get_settings_uses_config_test_yaml_in_pytest_environment(
     assert settings.controller.api_prefix == "/from-config-test-yaml"
     assert settings.business_logic.provider_price_multiplier == Decimal("1.25")
     assert settings.adapter.cdek_client_id == "test-id"
+    assert settings.observability.enabled is True
+    assert settings.observability.service_name == "override-config-service"
+    assert settings.observability.otlp_endpoint == "http://override-collector:4317"
+    assert settings.observability.otlp_insecure is False
     get_settings.cache_clear()
 
 
@@ -142,3 +161,35 @@ def test_get_settings_fails_when_provider_price_multiplier_is_missing(
     locations = {tuple(item["loc"]) for item in error.value.errors()}
     assert ("business_logic", "provider_price_multiplier") in locations
     get_settings.cache_clear()
+
+
+def test_get_settings_fails_when_observability_section_is_missing(
+    monkeypatch: pytest.MonkeyPatch,
+) -> None:
+    _use_runtime_config_files(
+        monkeypatch,
+        test_config_file=MISSING_OBSERVABILITY_CONFIG_FILE,
+    )
+
+    with pytest.raises(ValidationError) as error:
+        get_settings()
+
+    locations = {tuple(item["loc"]) for item in error.value.errors()}
+    assert ("observability",) in locations
+    get_settings.cache_clear()
+
+
+def test_get_settings_fails_when_observability_endpoint_is_missing(
+    monkeypatch: pytest.MonkeyPatch,
+) -> None:
+    _use_runtime_config_files(
+        monkeypatch,
+        test_config_file=MISSING_OBSERVABILITY_ENDPOINT_CONFIG_FILE,
+    )
+
+    with pytest.raises(ValidationError) as error:
+        get_settings()
+
+    locations = {tuple(item["loc"]) for item in error.value.errors()}
+    assert ("observability", "otlp_endpoint") in locations
+    get_settings.cache_clear()