NH-34752 Add calculate_tracing_mode tests and fixture

tests/unit/test_sampler/fixtures/sampler.py

@@ -1,18 +1,83 @@
 import pytest
+import re
+from typing import Any
 
 from solarwinds_apm.sampler import _SwSampler
 
-def side_effect_fn(param):
+
+# Basic Sampler fixture =====================================
+
+def config_get(param) -> Any:
     if param == "tracing_mode":
         return -1
     elif param == "transaction_filters":
         return []
+    else:
+        return None
 
-@pytest.fixture(name="sw_sampler")
+@pytest.fixture(name="fixture_swsampler")
 def fixture_swsampler(mocker):
     mock_apm_config = mocker.Mock()
     mock_get = mocker.Mock(
-        side_effect=side_effect_fn
+        side_effect=config_get
+    )
+    mock_apm_config.configure_mock(
+        **{
+            "agent_enabled": True,
+            "get": mock_get,
+        }
+    )
+    return _SwSampler(mock_apm_config)
+
+
+# Sampler fixtures with Transaction Filters =================
+
+def config_get_txn_filters(param)  -> Any:
+    if param == "tracing_mode":
+        return -1
+    elif param == "transaction_filters":
+        return [
+            {
+                "regex": re.compile("http://foo/bar"),
+                "tracing_mode": 1,
+            },
+            {
+                "regex": re.compile(r"http://foo/[a-z]*/bar"),
+                "tracing_mode": 1,
+            },
+            {
+                "regex": re.compile("http://foo/bar-baz"),
+                "tracing_mode": 1,
+            },
+            {
+                "regex": re.compile("http://foo/bar-baz"),
+                "tracing_mode": 0,
+            },
+            {
+                "regex": re.compile("CLIENT:foo"),
+                "tracing_mode": 1,
+            },
+            {
+                "regex": re.compile(r"CLIENT:f[a-z]*o"),
+                "tracing_mode": 1,
+            },
+            {
+                "regex": re.compile("CLIENT:foo_bar"),
+                "tracing_mode": 1,
+            },
+            {
+                "regex": re.compile("CLIENT:foo_bar"),
+                "tracing_mode": 0,
+            }
+        ]
+    else:
+        return None
+
+@pytest.fixture(name="fixture_swsampler_txnfilters")
+def fixture_swsampler_txnfilters(mocker):
+    mock_apm_config = mocker.Mock()
+    mock_get = mocker.Mock(
+        side_effect=config_get_txn_filters
     )
     mock_apm_config.configure_mock(
         **{