Move tests related to commands/tests.py to separate test file

tests/commands/test_commands.py

@@ -1,6 +1,6 @@
 import json
 from unittest.mock import Mock, patch
-from argparse import Namespace, ArgumentTypeError
+from argparse import Namespace
 import copy
 
 import pytest
@@ -26,42 +26,6 @@ def test_make_sure_we_dont_remove_any_command():
     assert parser.parse_args(['remove-replicas', 'localhost:27017']).command
 
 
-def test_start_raises_if_command_not_implemented():
-    from bigchaindb.commands.bigchain import utils
-    from bigchaindb.commands.bigchain import create_parser
-
-    parser = create_parser()
-
-    with pytest.raises(NotImplementedError):
-        # Will raise because `scope`, the third parameter,
-        # doesn't contain the function `run_start`
-        utils.start(parser, ['start'], {})
-
-
-def test_start_raises_if_no_arguments_given():
-    from bigchaindb.commands.bigchain import utils
-    from bigchaindb.commands.bigchain import create_parser
-
-    parser = create_parser()
-
-    with pytest.raises(SystemExit):
-        utils.start(parser, [], {})
-
-
-@patch('multiprocessing.cpu_count', return_value=42)
-def test_start_sets_multiprocess_var_based_on_cli_args(mock_cpu_count):
-    from bigchaindb.commands.bigchain import utils
-    from bigchaindb.commands.bigchain import create_parser
-
-    def run_load(args):
-        return args
-
-    parser = create_parser()
-
-    assert utils.start(parser, ['load'], {'run_load': run_load}).multiprocess == 1
-    assert utils.start(parser, ['load', '--multiprocess'], {'run_load': run_load}).multiprocess == 42
-
-
 @patch('bigchaindb.commands.utils.start')
 def test_main_entrypoint(mock_start):
     from bigchaindb.commands.bigchain import main
@@ -504,19 +468,3 @@ def test_run_remove_replicas(mock_remove_replicas):
     assert exc.value.args == ('err',)
     assert mock_remove_replicas.call_count == 1
     mock_remove_replicas.reset_mock()
-
-
-def test_mongodb_host_type():
-    from bigchaindb.commands.utils import mongodb_host
-
-    # bad port provided
-    with pytest.raises(ArgumentTypeError):
-        mongodb_host('localhost:11111111111')
-
-    # no port information provided
-    with pytest.raises(ArgumentTypeError):
-        mongodb_host('localhost')
-
-    # bad host provided
-    with pytest.raises(ArgumentTypeError):
-        mongodb_host(':27017')

tests/commands/test_utils.py

@@ -0,0 +1,63 @@
+import argparse
+import pytest
+
+from unittest.mock import patch
+
+
+def test_start_raises_if_command_not_implemented():
+    from bigchaindb.commands import utils
+    from bigchaindb.commands.bigchain import create_parser
+
+    parser = create_parser()
+
+    with pytest.raises(NotImplementedError):
+        # Will raise because `scope`, the third parameter,
+        # doesn't contain the function `run_start`
+        utils.start(parser, ['start'], {})
+
+
+def test_start_raises_if_no_arguments_given():
+    from bigchaindb.commands import utils
+    from bigchaindb.commands.bigchain import create_parser
+
+    parser = create_parser()
+
+    with pytest.raises(SystemExit):
+        utils.start(parser, [], {})
+
+
+@patch('multiprocessing.cpu_count', return_value=42)
+def test_start_sets_multiprocess_var_based_on_cli_args(mock_cpu_count):
+    from bigchaindb.commands import utils
+
+    def run_mp_arg_test(args):
+        return args
+
+    parser = argparse.ArgumentParser()
+    subparser = parser.add_subparsers(title='Commands',
+                                      dest='command')
+    mp_arg_test_parser = subparser.add_parser('mp_arg_test')
+    mp_arg_test_parser.add_argument('-m', '--multiprocess',
+                                    nargs='?',
+                                    type=int,
+                                    default=False)
+
+    scope = {'run_mp_arg_test': run_mp_arg_test}
+    assert utils.start(parser, ['mp_arg_test'], scope).multiprocess == 1
+    assert utils.start(parser, ['mp_arg_test', '--multiprocess'], scope).multiprocess == 42
+
+
+def test_mongodb_host_type():
+    from bigchaindb.commands.utils import mongodb_host
+
+    # bad port provided
+    with pytest.raises(argparse.ArgumentTypeError):
+        mongodb_host('localhost:11111111111')
+
+    # no port information provided
+    with pytest.raises(argparse.ArgumentTypeError):
+        mongodb_host('localhost')
+
+    # bad host provided
+    with pytest.raises(argparse.ArgumentTypeError):
+        mongodb_host(':27017')