tox: add optional py3x-remote testenv

remotes_requirements.txt

@@ -0,0 +1,9 @@
+# packages for testing remote sources
+
+fastavro>=0.24.2 ; python_version >= '3.4'
+smbprotocol>=1.0.1
+paramiko>=2.7.1
+requests; python_version >= '3.4'
+fsspec>=0.7.4 ; python_version >= '3.4'
+aiohttp>=3.6.2 ; python_version >= '3.5.3'
+s3fs>=0.2.2 ; python_version >= '3.4'

tox.ini

@@ -27,6 +27,18 @@ deps =
     -rtest_requirements.txt
     -roptional_requirements.txt
 
+[testenv:{py36,py37,py38,py39}-remote]
+# Create test containers with the following commands:
+# docker run -it --name samba -p 139:139 -p 445:445 -d "dperson/samba" -p -u "user1;pass1" -s "public;/public-dir;yes;no;yes;all"
+# docker run -it --name sftp -p 22:22 -d atmoz/sftp user2:pass2:::public
+setenv =
+    PYTHONHASHSEED = 42
+    PETL_TEST_SMB=smb://WORKGROUP;user1:pass1@localhost/public/
+    PETL_TEST_SFTP=sftp://user1:pass1@localhost/public/
+deps =
+    {[testenv]deps}
+    -rremotes_requirements.txt
+
 [testenv:{py37,py38,py39}-docs]
 # build documentation under similar environment to readthedocs
 changedir = docs