add test infrastructure

.coveragerc

@@ -0,0 +1,54 @@
+# .coveragerc to control coverage.py
+[run]
+branch = True
+omit =
+    */site-packages/*
+    */distutils/*
+    */test/*
+    */__init__.py
+    */setup.py
+	*/venv/*
+	*/env/*
+	*/build_venv/*
+	*/build_env/*
+source =
+    image_prediction
+    src
+relative_files = True
+data_file = .coverage
+
+[report]
+# Regexes for lines to exclude from consideration
+exclude_lines =
+    # Have to re-enable the standard pragma
+    pragma: no cover
+
+    # Don't complain about missing debug-only code:
+    def __repr__
+    if self\.debug
+
+    # Don't complain if tests don't hit defensive assertion code:
+    raise AssertionError
+    raise NotImplementedError
+
+    # Don't complain if non-runnable code isn't run:
+    if 0:
+    if __name__ == .__main__.:
+omit =
+    */site-packages/*
+    */distutils/*
+    */test/*
+    */__init__.py
+    */setup.py
+	*/venv/*
+	*/env/*
+	*/build_venv/*
+	*/build_env/*
+
+ignore_errors = True
+
+[html]
+directory = reports
+
+[xml]
+output = reports/coverage.xml

pytest.ini

@@ -0,0 +1,2 @@
+[pytest]
+norecursedirs = incl

requirements.txt

@@ -19,3 +19,5 @@ PDFNetPython3~=9.1.0
 Pillow~=8.3.2
 PyYAML~=5.4.1
 scikit_learn~=0.24.2
+
+pytest~=7.1.0