Adds a test for default file init command.

bonobo/examples/clock.py

@@ -14,12 +14,13 @@ def extract():
 def get_graph():
     graph = bonobo.Graph()
     graph.add_chain(
-            extract,
-            print,
+        extract,
+        print,
     )
 
     return graph
 
+
 if __name__ == '__main__':
     parser = bonobo.get_argument_parser()
     with bonobo.parse_args(parser):

bonobo/execution/node.py

@@ -156,7 +156,7 @@ class NodeExecutionContext(WithStatistics, LoopingExecutionContext):
 
 
 def isflag(param):
-    return isinstance(param, Token) and param in (NOT_MODIFIED,)
+    return isinstance(param, Token) and param in (NOT_MODIFIED, )
 
 
 def split_tokens(output):
@@ -168,11 +168,11 @@ def split_tokens(output):
     """
     if isinstance(output, Token):
         # just a flag
-        return (output,), ()
+        return (output, ), ()
 
     if not istuple(output):
         # no flag
-        return (), (output,)
+        return (), (output, )
 
     i = 0
     while isflag(output[i]):

bonobo/plugins/console.py

@@ -185,4 +185,4 @@ class IOBuffer():
 def memory_usage():
     import os, psutil
     process = psutil.Process(os.getpid())
-    return process.memory_info()[0] / float(2 ** 20)
+    return process.memory_info()[0] / float(2**20)

bonobo/strategies/executor.py

@@ -34,7 +34,9 @@ class ExecutorStrategy(Strategy):
                 try:
                     context.tick()
                 except KeyboardInterrupt:
-                    logging.getLogger(__name__).warning('KeyboardInterrupt received. Trying to terminate the nodes gracefully.')
+                    logging.getLogger(__name__).warning(
+                        'KeyboardInterrupt received. Trying to terminate the nodes gracefully.'
+                    )
                     context.kill()
                     break
 
@@ -50,8 +52,9 @@ class ExecutorStrategy(Strategy):
                     with node:
                         node.loop()
                 except BaseException as exc:
-                    logging.getLogger(__name__).info('Got {} in {} runner.'.format(get_name(exc), node),
-                                                     exc_info=sys.exc_info())
+                    logging.getLogger(__name__).info(
+                        'Got {} in {} runner.'.format(get_name(exc), node), exc_info=sys.exc_info()
+                    )
 
             futures.append(executor.submit(_runner))
 

tests/test_commands.py

@@ -112,6 +112,17 @@ def test_install_requirements_for_file(runner):
     install_mock.assert_called_once_with(os.path.join(dirname, 'requirements.txt'))
 
 
+@all_runners
+def test_init_file(runner, tmpdir):
+    target = tmpdir.join('foo.py')
+    runner('init', str(target))
+    assert os.path.exists(target)
+
+    out, err = runner('run', str(target))
+    assert out.replace('\n', ' ').strip() == 'Hello World'
+    assert not err
+
+
 @all_runners
 def test_version(runner):
     out, err = runner('version')