[1853] Fix module_is_running() to check for component exactly

tests/lettuce/features/terrain/bind10_control.py

@@ -148,8 +148,8 @@ def run_bindctl(commands, cmdctl_port=None):
                         "stderr:\n" + str(stderr)
 
 
-@step('last bindctl( stderr)? output should( not)? contain (\S+)')
-def check_bindctl_output(step, stderr, notv, string):
+@step('last bindctl( stderr)? output should( not)? contain (\S+)( exactly)?')
+def check_bindctl_output(step, stderr, notv, string, exactly):
     """Checks the stdout (or stderr) stream of the last run of bindctl,
        fails if the given string is not found in it (or fails if 'not' was
        set and it is found
@@ -157,14 +157,19 @@ def check_bindctl_output(step, stderr, notv, string):
        stderr ('stderr'): Check stderr instead of stdout output
        notv ('not'): reverse the check (fail if string is found)
        string ('contain <string>') string to look for
+       exactly ('exactly'): Make an exact match delimited by whitespace
     """
     if stderr is None:
         output = world.last_bindctl_stdout
     else:
         output = world.last_bindctl_stderr
     found = False
-    if string in output:
-        found = True
+    if exactly is None:
+        if string in output:
+            found = True
+    else:
+        if re.search(r'^\s+' + string + r'\s+', output, re.IGNORECASE | re.MULTILINE) is not None:
+            found = True
     if notv is None:
         assert found == True, "'" + string +\
                               "' was not found in bindctl output:\n" +\
@@ -328,4 +333,4 @@ def module_is_running(step, name, not_str):
     if not_str is None:
         not_str = ""
     step.given('send bind10 the command help')
-    step.given('last bindctl output should' + not_str + ' contain ' + name)
+    step.given('last bindctl output should' + not_str + ' contain ' + name + ' exactly')