Added test for environment and a script for local running

bin/run_tests.py

@@ -0,0 +1,41 @@
+#!/usr/bin/python
+
+from __future__ import print_function
+import os, sys, subprocess, shutil, json
+from glob import glob
+
+# move cwd to the project root
+os.chdir(os.path.dirname(os.path.dirname(os.path.abspath(__file__))))
+
+test_projects = glob('test/??_*')
+
+if len(test_projects) == 0:
+    print('No test projects found. Aborting.', file=sys.stderr)
+    exit(2)
+
+print('Testing projects:', test_projects)
+
+for project_path in test_projects:
+    # load project settings into environment
+    env_file = os.path.join(project_path, 'environment.json')
+    project_env = {}
+    if os.path.exists(env_file):
+        with open(env_file) as f:
+            project_env = json.load(f)
+
+    # run the build
+    env = os.environ.copy()
+    project_env = {str(k): str(v) for k, v in project_env.items()} # unicode not allowed in env
+    env.update(project_env)
+    print('Building %s with environment %s' % (project_path, project_env))
+    subprocess.check_call(['cibuildwheel', project_path], env=env)
+    wheels = glob('wheelhouse/*.whl')
+    print('%s built successfully. %i wheels built.' % (project_path, len(wheels)))
+
+    # check some wheels were actually built
+    assert len(wheels) >= 4
+
+    # clean up
+    shutil.rmtree('wheelhouse')
+
+print('%d projects built successfully.' % len(test_projects))