Update CI/tests to allow running proper, realistic unit tests

.github/scripts/ssh_setup.sh

@@ -0,0 +1,13 @@
+#!/usr/bin/env bash
+
+ssh-keygen -t ed25519 -f ~/.ssh/my_key -N ''
+cat > ~/.ssh/config <<EOF
+Host eniac.local
+    User $USER
+    HostName 127.0.0.1
+    IdentityFile ~/.ssh/my_key
+EOF
+echo -n 'from="127.0.0.1" ' | cat - ~/.ssh/my_key.pub > ~/.ssh/authorized_keys
+chmod og-rw ~
+ls -la ~/.ssh
+ssh -o 'StrictHostKeyChecking no' eniac.local id

.github/workflows/ci.yaml

@@ -1,6 +1,8 @@
 name: CI
 on:
   push:
+    branches:
+      - main
   pull_request:
   schedule:
     - cron: '0 0 * * *' # Daily “At 00:00”
@@ -24,6 +26,11 @@ jobs:
         python-version: ['3.7', '3.8', '3.9', '3.10']
     steps:
       - uses: actions/checkout@v2
+        with:
+          fetch-depth: 0
+      - name: Configure SSH key for localhost
+        run: |
+          .github/scripts/ssh_setup.sh
       - uses: conda-incubator/setup-miniconda@v2
         with:
           channels: conda-forge

.github/workflows/upstream-dev-ci.yaml

@@ -1,6 +1,8 @@
 name: Upstream CI
 on:
   push:
+    branches:
+      - main
   schedule:
     - cron: '0 0 * * *' # Daily “At 00:00” UTC
   workflow_dispatch: # allows you to trigger the workflow run manually
@@ -22,6 +24,11 @@ jobs:
         python-version: ['3.10']
     steps:
       - uses: actions/checkout@v2
+        with:
+          fetch-depth: 0
+      - name: Configure SSH key for localhost
+        run: |
+          .github/scripts/ssh_setup.sh
       - uses: conda-incubator/setup-miniconda@v2
         id: conda
         with:
@@ -49,6 +56,7 @@ jobs:
       - name: Report Status
         if: |
           always()
+          && github.ref == 'refs/heads/main'
           && (steps.conda.outcome != 'success' || steps.install.outcome != 'success' || steps.install.outcome != 'success')
         uses: actions/github-script@v6
         with:

jupyter_forward/core.py

@@ -11,6 +11,8 @@
 from fabric import Connection
 from rich.console import Console
 
+timestamp = datetime.datetime.now().strftime('%Y-%m-%dT%H-%M-%S')
+
 console = Console()
 
 
@@ -178,29 +180,8 @@ def _launch_jupyter(self):
 
         else:
             self.run_command(check_jupyter_status)
-        console.rule(
-            f'[bold green] Checking $TMPDIR and $HOME on {self.session.host}', characters='*'
-        )
-        tmp_dir_env_status = self.run_command(command='printenv TMPDIR', exit=False)
-        home_dir_env_status = self.run_command(command='printenv HOME', exit=False)
-        check_dir_command = 'touch ${}/foobar && rm -rf ${}/foobar && echo "${} is WRITABLE" || echo "${} is NOT WRITABLE"'
-        if not tmp_dir_env_status.failed:
-            self._check_log_file_dir(check_dir_command, 'TMPDIR', '$TMPDIR')
-        elif not home_dir_env_status.failed:
-            self._check_log_file_dir(check_dir_command, 'HOME', '$HOME')
-        else:
-            tmp_dir_error_message = '$TMPDIR is not defined'
-            home_dir_error_message = '$HOME is not defined'
-            console.print(
-                f'[bold red]Can not determine directory for log file:\n{home_dir_error_message}\n{tmp_dir_error_message}'
-            )
-            sys.exit(1)
-        self.log_dir = f'{self.log_dir}/.jupyter_forward'
-        self.run_command(command=f'mkdir -p {self.log_dir}')
-        timestamp = datetime.datetime.now().strftime('%Y-%m-%dT%H-%M-%S')
-        self.log_file = f'{self.log_dir}/log.{timestamp}'
-        self.run_command(command=f'touch {self.log_file}')
-
+        self._set_log_directory()
+        self._set_log_file()
         command = r'jupyter lab --no-browser --ip=\$(hostname -f)'
         if self.notebook_dir:
             command = f'{command} --notebook-dir={self.notebook_dir}'
@@ -243,13 +224,39 @@ def _launch_jupyter(self):
             open_browser(url=self.parsed_result['url'], path=self.notebook)
             self.run_command(command=f'tail -f {self.log_file}')
 
-    def _check_log_file_dir(self, check_dir_command, arg1, arg2):
-        _tmp_dir_status = self.run_command(
-            command=check_dir_command.format(arg1, arg1, arg1, arg1), exit=False
-        )
-
-        if 'is WRITABLE' in _tmp_dir_status.stdout.strip():
-            self.log_dir = arg2
+    def _set_log_file(self):
+        log_file = f'{self.log_dir}/log_{timestamp}.txt'
+        self.run_command(command=f'touch {log_file}')
+        self.log_file = log_file
+        console.print(f'[bold cyan]:white_check_mark: Log file is set to {log_file}')
+        return self
+
+    def _set_log_directory(self):
+        def _check_log_file_dir(directory):
+            check_dir_command = f'touch {directory}/foobar && rm -rf {directory}/foobar && echo "{directory} is WRITABLE" || echo "{directory} is NOT WRITABLE"'
+            _tmp_dir_status = self.run_command(command=check_dir_command, exit=False)
+            return directory if 'is WRITABLE' in _tmp_dir_status.stdout.strip() else None
+
+        console.rule(f'[bold green] Creating log file on {self.session.host}', characters='*')
+        log_dir = None
+        tmp_dir_env_status = self.run_command(command='printenv TMPDIR', exit=False)
+        home_dir_env_status = self.run_command(command='printenv HOME', exit=False)
+        if not tmp_dir_env_status.failed:
+            log_dir = _check_log_file_dir('$TMPDIR')
+        elif not home_dir_env_status.failed:
+            log_dir = _check_log_file_dir('$HOME')
+        else:
+            tmp_dir_error_message = '$TMPDIR is not defined'
+            home_dir_error_message = '$HOME is not defined'
+            console.print(
+                f'[bold red]Can not determine directory for log file:\n{home_dir_error_message}\n{tmp_dir_error_message}'
+            )
+            sys.exit(1)
+        log_dir = f'{log_dir}/.jupyter_forward'
+        self.run_command(command=f'mkdir -p {log_dir}')
+        console.print(f'[bold cyan]:white_check_mark: Log directory is set to {log_dir}')
+        self.log_dir = log_dir
+        return self
 
 
 def open_browser(port: int = None, token: str = None, url: str = None, path=None):

setup.cfg

@@ -20,4 +20,4 @@ skip=
 
 [tool:pytest]
 console_output_style = count
-addopts = --cov=./ --cov-report=xml --verbose
+addopts = --cov=./ --cov-report=xml --verbose -s

tests/test_core.py

@@ -1,10 +1,23 @@
+import datetime
+import os
 import socket
 from unittest import mock as mock
 
 import pytest
 
+import jupyter_forward
 from jupyter_forward.core import is_port_available, open_browser, parse_stdout
 
+NOT_GITHUB_ACTIONS = os.environ.get('GITHUB_ACTIONS') is None
+requires_gha = pytest.mark.skipif(NOT_GITHUB_ACTIONS, reason='requires GITHUB_ACTIONS')
+
+
+@pytest.fixture(scope='session', params=[f"{os.environ['USER']}@eniac.local"])
+def runner(request):
+    remote = jupyter_forward.RemoteRunner(request.param)
+    yield remote
+    remote.close()
+
 
 @pytest.mark.parametrize(
     'stdout, expected',
@@ -68,3 +81,39 @@ def test_open_browser(port, token, url, expected):
     with mock.patch('webbrowser.open') as mockwebopen:
         open_browser(port, token, url)
         mockwebopen.assert_called_once_with(expected, new=2)
+
+
+@requires_gha
+def test_connection(runner):
+    USER = os.environ['USER']
+    assert runner.session.is_connected
+    assert runner.session.host == '127.0.0.1'
+    assert runner.session.user == USER
+
+
+@requires_gha
+@pytest.mark.parametrize('command', ['echo $HOME'])
+def test_run_command(runner, command):
+    out = runner.run_command(command)
+    assert not out.failed
+    assert out.stdout.strip() == f"{os.environ['HOME']}"
+
+
+@requires_gha
+@pytest.mark.parametrize('command', ['echod $HOME'])
+def test_run_command_failure(runner, command):
+    out = runner.run_command(command, exit=False)
+    assert out.failed
+    assert 'echod: command not found' in out.stdout.strip()
+
+    with pytest.raises(SystemExit):
+        runner.run_command(command)
+
+
+@requires_gha
+def test_set_logs(runner):
+    runner._set_log_directory()
+    assert runner.log_dir == '$HOME/.jupyter_forward'
+    runner._set_log_file()
+    now = datetime.datetime.now()
+    assert f"log_{now.strftime('%Y-%m-%dT%H')}" in runner.log_file