Basic tests (#355)

* Added microsoft channel and playwright as dependency

* Added test-setup to run

* Basic tests for each example in examples/index.html

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* Update test_webgl_raycaster_index.py

* [pre-commit.ci] auto fixes from pre-commit.com hooks

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* Update test_folium.py

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* Update test_folium.py

* Update test_folium.py

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* Update test_bokeh.py

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* Whitelisting assertion statements in test files

* Updated bare execept statements with ImportError

* Flake8 compliance

* Updated  message

* Removed 'make test-setup'

* Removed @echo from make test

* Uncommented Toga test

* Removed __test_all__.py file

* Removing unnecessary files

* Removed individual test files

* conftest.py with all data for running tests

* Consolidated test file

* [pre-commit.ci] auto fixes from pre-commit.com hooks

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* Fixed pre-commit flake8 issues

* flake8 issue

* add playwright installation to setup

* Testing parameterization and webserver to serve examples locally

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* Flake8 compliance

* More flake8

Co-authored-by: pre-commit-ci[bot] <66853113+pre-commit-ci[bot]@users.noreply.github.com>
Co-authored-by: Michael Verhulst <michael@terminallabs.com>
Co-authored-by: Fabio Pliger <fabio.pliger@gmail.com>

pyscriptjs/tests/conftest.py

@@ -0,0 +1,44 @@
+"""All data required for testing examples"""
+import os
+import threading
+from http.server import HTTPServer as SuperHTTPServer
+from http.server import SimpleHTTPRequestHandler
+from pathlib import Path
+
+import pytest
+
+my_path = Path.cwd() / "examples"
+os.chdir(my_path)
+
+
+class HTTPServer(SuperHTTPServer):
+    """
+    Class for wrapper to run SimpleHTTPServer on Thread.
+    Ctrl +Only Thread remains dead when terminated with C.
+    Keyboard Interrupt passes.
+    """
+
+    def run(self):
+        try:
+            self.serve_forever()
+        except KeyboardInterrupt:
+            pass
+        finally:
+            self.server_close()
+
+
+@pytest.fixture(scope="session")
+def http_server():
+    host, port = "127.0.0.1", 8080
+    base_url = f"http://{host}:{port}"
+
+    # serve_Run forever under thread
+    server = HTTPServer((host, port), SimpleHTTPRequestHandler)
+    thread = threading.Thread(None, server.run)
+    thread.start()
+
+    yield base_url  # Transition to test here
+
+    # End thread
+    server.shutdown()
+    thread.join()