Add software tests for covering parts of the "mqttwarn.commands" module

Author: amotl

README.rst

@@ -174,6 +174,7 @@ you an idea how to pass relevant information on the command line using JSON::
     mqttwarn --plugin=ssh --config='{"host": "ssh.example.org", "port": 22, "user": "foo", "password": "bar"}' --options='{"addrs": ["command with substitution %s"], "payload": "{\"args\": \"192.168.0.1\"}"}'
 
     # Launch "cloudflare_zone" service plugin from "mqttwarn-contrib", passing "--config" parameters via command line
+    pip install mqttwarn-contrib
     mqttwarn --plugin=mqttwarn_contrib.services.cloudflare_zone --config='{"auth-email": "foo", "auth-key": "bar"}' --options='{"addrs": ["0815", "www.example.org", ""], "message": "192.168.0.1"}'
 
 

tests/test_commands.py

@@ -0,0 +1,33 @@
+import os
+
+
+def test_command_dump_config(capfd):
+
+    command = "mqttwarn make-config"
+
+    os.system(command)
+    stdout = capfd.readouterr().out
+
+    assert 'mqttwarn example configuration file "mqttwarn.ini"' in stdout, stdout
+
+
+def test_command_dump_samplefuncs(capfd):
+
+    command = "mqttwarn make-samplefuncs"
+
+    os.system(command)
+    stdout = capfd.readouterr().out
+
+    assert '# mqttwarn example function extensions' in stdout, stdout
+
+
+def test_command_standalone_plugin(capfd):
+
+    command = """mqttwarn --plugin=log --options='{"message": "Hello world", "addrs": ["crit"]}'"""
+
+    os.system(command)
+    stderr = capfd.readouterr().err
+
+    assert 'Successfully loaded service "log"' in stderr, stderr
+    assert 'Hello world' in stderr, stderr
+    assert 'Plugin response: True' in stderr, stderr