Rename targets to devices in the legal keys test. Use utils.iter_modules instead…

Rename targets to devices in the legal keys test. Use utils.iter_modules instead of interpreter internals to load module tests. Flatten the load_tests code to use fewer language features/utilities. Grab module metadata in the same way the interpreter was doing it, but locally in the test case.

routersploit/test/test_modules.py

 from inspect import getmodule
-from itertools import chain
 from unittest import main, TestCase, TestSuite
 
 from routersploit.exploits import Exploit
-from routersploit.interpreter import RoutersploitInterpreter
+from routersploit.utils import iter_modules
 
 
 class ModuleTest(TestCase):
@@ -25,7 +24,7 @@ class ModuleTest(TestCase):
         legal_keys = set([
             "name",
             "description",
-            "targets",
+            "devices",
             "authors",
             "references"])
 
@@ -35,31 +34,26 @@ class ModuleTest(TestCase):
 def load_tests(loader, tests, pattern):
     """Map every module to a test case, and group them into a suite."""
 
-    def tests():
-
-        # let interpreter load the modules
-        interpreter = RoutersploitInterpreter()
-
-        for module_path in interpreter.modules:
+    suite = TestSuite()
 
-            # use the given module
-            interpreter.command_use(module_path)
+    for m in iter_modules():
 
         class ParametrizedModuleTest(ModuleTest):
 
-                # bind module and metadata
-                module = interpreter.current_module
-                metadata = interpreter.module_metadata
+            # bind module
+            module = m()
+
+            @property
+            def metadata(self):
+                return getattr(self.module, "_{}__info__".format(self.module.__class__.__name__))
 
             def shortDescription(self):
                 # provide the module name in the test description
                 return getmodule(self.module).__name__
 
-            # yield the tests from this test case
-            yield loader.loadTestsFromTestCase(ParametrizedModuleTest)
+        # add the tests from this test case
+        suite.addTests(loader.loadTestsFromTestCase(ParametrizedModuleTest))
 
-    suite = TestSuite()
-    suite.addTests(chain(*tests()))
     return suite
 
 if __name__ == '__main__':