add appveyor testing

.appveyor.yml

@@ -0,0 +1,30 @@
+build: false
+
+environment:
+  matrix:
+    - PYTHON: "C:\\Miniconda36-x64"
+      PY: 3.7
+
+init:
+  - "ECHO %PYTHON_VERSION% %MINICONDA%"
+
+install:
+  # Install and configure miniconda.
+  - "set PATH=%PYTHON%;%PYTHON%\\Scripts;%PATH%"
+  - conda config --set always_yes yes --set changeps1 no --set show_channel_urls true
+  - conda update conda --quiet
+  - conda config --add channels conda-forge --force
+  - conda install pycryptosat
+  - conda config --set safety_checks disabled
+
+  # Create the test env.
+  - conda create --name TEST python=%PY% --file requirements.txt --file requirements-dev.txt
+  - activate TEST
+
+  # Debug.
+  - conda info --all
+  - conda list
+
+test_script:
+  - pip install -e . --no-deps --force-reinstall
+  - pytest -n 2 -rxXs tests

requirements-dev.txt

@@ -22,6 +22,9 @@ pandas
 pillow
 pycodestyle
 pytest
+pytest-cov
+pytest-flake8
+pytest-xdist
 scipy
 selenium
 sphinx