test config, rename to chooseCards

a hyphen - looks weird in a python file and module name, so use CamelCase

chooseCards.py

@@ -4,6 +4,22 @@ import os
 import configparser
 
 class Config:
+    """Provide configuration as object elements.
+
+    Example:
+        if the config file includes the lines::
+
+            [conf]
+            confi = 5
+
+        Then you config.confi is 5.
+
+    Configurations that should be ints are ints,
+    the other strings.
+    (Maybe including other datatypes like tuples later.)
+
+    """
+
     def __init__(self, path):
         """Create config object.
 
@@ -13,6 +29,9 @@ class Config:
         """
         config = configparser.ConfigParser()
         config.read(path)
+        int_items = ("numberOfCards",)
+        for item in int_items:
+            setattr(self, item, config.getint("conf", item))
 
 
 class playcard:

testConfig.py

@@ -0,0 +1,19 @@
+#!/usr/bin/env python3
+"""Test for the Config class.
+
+Tests:
+    * if numberOfCards is 10
+    * nonexistingOption does not exist
+"""
+
+from chooseCards import Config
+
+config = Config("config.cfg")
+assert config.numberOfCards is 10
+try:
+    config.nonexistingOption
+except AttributeError:
+    pass  # everything OK
+else:
+    assert 1 == 0, "nonexistingOption should give error"  # should not happen
+print("Config tested. Is OK.")