implemetned pytest and added the first test

.gitignore

@@ -86,4 +86,5 @@ target/
 
 # Project
 /src/hematopy/http/images
-*.pid
+*.pid
+.pytest_cache

setup.cfg

@@ -0,0 +1,2 @@
+[aliases]
+test=pytest

setup.py

@@ -16,13 +16,17 @@
     long_description_content_type='text/markdown',
     package_dir={'': 'src'},
     packages=setuptools.find_packages(where='src'),
+    setup_requires=['pytest-runner'],
     install_requires=[
         'CairoSVG==2.1.3',
         'click==6.7',
         'sanic==0.7.0',
         'lxml==4.2.1',
         'python-magic==0.4.15'
     ],
+    tests_require = [
+        'pytest-console-scripts==0.1.5',
+    ],
     # package_dir={'':'hematopy'},
     entry_points = {
         'console_scripts': [

tests/README.md

@@ -0,0 +1,7 @@
+## Services
+
+- https://travis-ci.org/ArgoCrew/hematopy
+
+## References
+
+- https://github.com/kvas-it/pytest-console-scripts

tests/hematopy/test_donation.py

@@ -0,0 +1,9 @@
+CONSOLE_SCRIPT_NAME = 'hematopy'
+
+def test_cli_help(script_runner):
+    must_have = ('Usage: hematopy [OPTIONS] COMMAND [ARGS]...')
+    ret = script_runner.run('hematopy', '--help')
+
+    assert ret.success
+    assert must_have[0] in ret.stdout
+    assert ret.stderr == ''