CI: add a script to run integration tests

(same as run_tests.py, but use adifferent directory)

run_integration_tests.py

@@ -0,0 +1,71 @@
+#!/usr/bin/env python3
+
+import sys
+import logging
+import unittest
+
+from argparse import ArgumentParser
+from distutils.core import Command
+from importlib import import_module
+from pathlib import Path
+
+
+def run_tests(filenames=None):
+    """
+    Find and run all tests in the tests/ directory.
+
+    Excludes live tests (tests/live_*).
+    """
+    if sys.version_info < (3, 8):
+        raise ValueError('Your python version is too old to run these tests')
+    if not filenames:
+        filenames = [i for i in Path('itests').glob('test_*')]
+    else:
+        filenames = [Path(i) for i in filenames]
+
+    modules = ['.'.join(test.parts[:-1] + (test.stem,)) for test in filenames]
+
+    suites = []
+    for filename in modules:
+        module = import_module(filename)
+        suites.append(module.suite)
+
+    tests = unittest.TestSuite(suites)
+    runner = unittest.TextTestRunner(verbosity=2)
+
+    # Disable logging output
+    logging.basicConfig(level=100)
+    logging.disable(100)
+
+    result = runner.run(tests)
+    return result
+
+
+# Add a 'test' command for setup.py
+
+class TestCommand(Command):
+
+    user_options = []
+
+    def initialize_options(self):
+        pass
+
+    def finalize_options(self):
+        pass
+
+    def run(self):
+        run_tests()
+
+
+if __name__ == '__main__':
+    parser = ArgumentParser(description='Run unit tests.')
+    parser.add_argument('tests', metavar='TEST', nargs='*', help='list of tests to run, or nothing to run them all')
+    args = parser.parse_args()
+
+    result = run_tests(args.tests)
+    print("<tests %s ran='%s' errors='%s' fails='%s' success='%s'/>" % (
+        "xmlns='http//andyet.net/protocol/tests'",
+        result.testsRun, len(result.errors),
+        len(result.failures), result.wasSuccessful()))
+
+    sys.exit(not result.wasSuccessful())