Add CI workflow for functional tests

.github/workflows/tests.yml

@@ -0,0 +1,33 @@
+on:
+  pull_request_review:
+    types: [submitted]
+  push:
+  workflow_dispatch:
+  pull_request_target:
+    types: [labeled]
+
+name: Integration Tests
+
+jobs:
+  proxy_tests:
+    name: Proxy Tests
+    runs-on: ubuntu-latest
+    if: github.event_name != 'pull_request' || contains(github.event.pull_request.labels.*.name, 'safe to test')
+    steps:
+      - uses: actions/checkout@v2
+      - uses: actions-rs/toolchain@v1
+        with:
+          profile: minimal
+          toolchain: stable
+          override: true
+      - name: Populate .env
+        env:
+          DOTENV: ${{ secrets.DOTENV }}
+        run: echo "$DOTENV" > .env
+      - name: Run tests
+        run: >-
+          pwd;
+          ls -la;
+          sudo python -m pip install -r tests/requirements.txt;
+          cargo build --release;
+          sudo python tests/tests.py

tests/requirements.txt

@@ -0,0 +1,2 @@
+requests
+python-dotenv

tests/tests.py

@@ -1,12 +1,12 @@
 import glob
-import logging
+import itertools
 import os
-import unittest
 import subprocess
-import requests
-import dotenv
 import time
-import itertools
+import unittest
+
+import dotenv
+import requests
 
 dotenv.load_dotenv()
 
@@ -34,21 +34,16 @@ def get_tool_path():
     return os.environ.get('TOOL_PATH', default)
 
 
-def start_process(*args):
-    pass
-
-
 class Tun2ProxyTest(unittest.TestCase):
     @staticmethod
     def _test(ip_version, dns, proxy_var):
         ip_noproxy = get_ip(ip_version)
-        print(ip_noproxy)
         additional = ['-6'] if ip_version == 6 else []
-        p = subprocess.Popen([get_tool_path(), "--proxy", os.getenv(proxy_var), '--setup', '-v', 'trace', '--dns', dns, *additional])
+        p = subprocess.Popen(
+            [get_tool_path(), "--proxy", os.getenv(proxy_var), '--setup', '-v', 'trace', '--dns', dns, *additional])
         try:
             time.sleep(1)
             ip_withproxy = get_ip(ip_version)
-            print(ip_withproxy)
 
             assert ip_noproxy != ip_withproxy
         except Exception as e:
@@ -59,8 +54,13 @@ class Tun2ProxyTest(unittest.TestCase):
 
     @classmethod
     def add_tests(cls):
-        for ip_version, dns, proxy_var in itertools.product([None, 4, 6], ['virtual', 'over-tcp'], ['SOCKS5_PROXY', 'HTTP_PROXY']):
-            setattr(cls, 'test_ipv%s_dns%s_proxy%s' % (ip_version, dns, proxy_var), lambda self: cls._test(ip_version, dns, proxy_var))
+        ip_options = [None, 4]
+        if bool(int(os.environ.get('IPV6', 1))):
+            ip_options.append(6)
+        for ip_version, dns, proxy_var in itertools.product(ip_options, ['virtual', 'over-tcp'],
+                                                            ['SOCKS5_PROXY', 'HTTP_PROXY']):
+            setattr(cls, 'test_ipv%s_dns%s_proxy%s' % (ip_version, dns, proxy_var),
+                    lambda self: cls._test(ip_version, dns, proxy_var))
 
 
 if __name__ == '__main__':