add simple test for ProfilingParser base class

Author: edoyango

tests/test_profiling.py

@@ -2,9 +2,54 @@
 # SPDX-License-Identifier: Apache-2.0
 
 import pytest
-from pathlib import Path
 
-from access.parsers.profiling import _convert_from_string
+from access.parsers.profiling import ProfilingParser, _convert_from_string
+
+
+class MockProfilingParser(ProfilingParser):
+    """A Mock concrete Profiling Parser."""
+
+    def __init__(self, data: dict):
+        self._metrics = ["hits", "tmin", "tmax", "tavg"]
+        self._data = data
+
+    @property
+    def metrics(self) -> list:
+        return self._metrics
+
+    def read(self, stream: str) -> dict:
+        return self._data[stream]
+
+
+@pytest.fixture(scope="module")
+def profiling_data():
+    """Fixture instantiating fake parsed profiling data."""
+    return {
+        "1cpu_stream": {
+            "regions": ["Total runtime", "Ocean Initialization"],
+            "hits": [1, 2],
+            "tmin": [138.600364, 2.344926],
+            "tmax": [138.600366, 2.345701],
+            "tavg": [600365, 2.345388],
+        },
+        "2cpu_stream": {
+            "regions": ["Total runtime", "Ocean Initialization"],
+            "hits": [3, 4],
+            "tmin": [69.300182, 1.162463],
+            "tmax": [49.300182, 1.162463],
+            "tavg": [300182.5, 1.172694],
+        },
+    }
+
+
+def test_base_parser(profiling_data):
+    """Tests methods and properties of abstract base class, ProfilingParser."""
+
+    parser = MockProfilingParser(profiling_data)
+
+    assert parser.metrics == ["hits", "tmin", "tmax", "tavg"], "Incorrect metrics returned in MockProfilingParser!"
+    for stream in ("1cpu_stream", "2cpu_stream"):
+        assert parser.read(stream) == profiling_data[stream], f'Incorrect profiling stats returned for "{stream}"'
 
 
 def test_str2num():