add coverage information to pytest runs

requirements/requirements-dev.in

@@ -3,4 +3,5 @@
 flake8                      # python code quality stuff
 pip-tools                   # pip-compile
 pytest                      # unit tests
+pytest-cov                  # coverage in unit tests
 versioneer                  # automatic version numbering

requirements/requirements-dev.txt

@@ -6,6 +6,7 @@
 #
 attrs==19.3.0             # via pytest
 click==7.0                # via flask, pip-tools
+coverage==5.0.3           # via pytest-cov
 entrypoints==0.3          # via flake8
 flake8==3.7.9             # via -r requirements/requirements-dev.in
 flask==1.1.1              # via -r requirements/requirements.in
@@ -23,7 +24,8 @@ py==1.8.1                 # via pytest
 pycodestyle==2.5.0        # via flake8
 pyflakes==2.1.1           # via flake8
 pyparsing==2.4.6          # via packaging
-pytest==5.3.5             # via -r requirements/requirements-dev.in
+pytest-cov==2.8.1         # via -r requirements/requirements-dev.in
+pytest==5.3.5             # via -r requirements/requirements-dev.in, pytest-cov
 six==1.14.0               # via packaging, pip-tools
 versioneer==0.18          # via -r requirements/requirements-dev.in
 wcwidth==0.1.8            # via pytest

setup.cfg

@@ -1,8 +1,20 @@
+[coverage:run]
+branch = True
+omit =
+    .venv/*
+    incorporealcms/_version.py
+    setup.py
+    tests/*
+    versioneer.py
+source =
+    incorporealcms
+
 [flake8]
 exclude = .git,.venv,__pycache__
 max-line-length = 120
 
 [tool:pytest]
+addopts = --cov=. --cov-report=term --cov-report=term-missing
 log_cli = 1
 log_cli_level = DEBUG