diff --git a/moban/plugins.py b/moban/plugins.py
index df47c409..67dbd058 100644
--- a/moban/plugins.py
+++ b/moban/plugins.py
@@ -197,7 +197,7 @@ def get_data(self, file_name):
             # If data file doesn't exist:
             # 1. Alert the user of their (potential) mistake
             # 2. Attempt to use environment vars as data
-            reporter.report_error_message(str(exception))
+            reporter.report_info_message(str(exception))
             reporter.report_using_env_vars()
             data = os.environ
             return data
diff --git a/moban/reporter.py b/moban/reporter.py
index fac242de..bbfbab1e 100644
--- a/moban/reporter.py
+++ b/moban/reporter.py
@@ -49,6 +49,14 @@ def report_error_message(message):
     print(crayons.white("Error: ", bold=True) + crayons.red(message))
 
 
+def report_warning_message(message):
+    print(crayons.white("Warning: ", bold=True) + crayons.yellow(message))
+
+
+def report_info_message(message):
+    print(crayons.white("Info: ") + crayons.green(message))
+
+
 def report_up_to_date():
     print(crayons.green(MESSAGE_UP_TO_DATE, bold=True))
 
@@ -92,12 +100,12 @@ def report_git_clone(repo):
 
 
 def report_using_env_vars():
-    print(crayons.yellow(MESSAGE_USING_ENV_VARS, bold=True))
+    report_warning_message(MESSAGE_USING_ENV_VARS)
 
 
 def report_template_not_in_moban_file(template):
     message = MESSAGE_TEMPLATE_NOT_IN_MOBAN_FILE.format(template)
-    print(crayons.yellow(message, bold=True))
+    report_warning_message(message)
 
 
 def _format_single(message, count):
diff --git a/tests/integration_tests/test_command_line_options.py b/tests/integration_tests/test_command_line_options.py
index 2d9647c3..a4c667c9 100644
--- a/tests/integration_tests/test_command_line_options.py
+++ b/tests/integration_tests/test_command_line_options.py
@@ -143,12 +143,7 @@ def test_single_command_with_a_few_options(self, fake_template_doer):
 
             main()
             call_args = list(fake_template_doer.call_args[0][0])
-            eq_(
-                call_args,
-                [
-                    ("abc.jj2", "data.yaml", "xyz.output"),
-                ],
-            )
+            eq_(call_args, [("abc.jj2", "data.yaml", "xyz.output")])
 
     @patch("moban.plugins.BaseEngine.render_to_files")
     def test_single_command_with_options(self, fake_template_doer):
@@ -166,12 +161,7 @@ def test_single_command_with_options(self, fake_template_doer):
 
             main()
             call_args = list(fake_template_doer.call_args[0][0])
-            eq_(
-                call_args,
-                [
-                    ("abc.jj2", "new.yml", "xyz.output"),
-                ],
-            )
+            eq_(call_args, [("abc.jj2", "new.yml", "xyz.output")])
 
     @raises(Exception)
     def test_single_command_without_output_option(self, fake_template_doer):
diff --git a/tests/test_main.py b/tests/test_main.py
index 3ae6b72b..308e8b64 100644
--- a/tests/test_main.py
+++ b/tests/test_main.py
@@ -108,6 +108,20 @@ def test_no_third_party_engine(
         with patch.object(sys, "argv", ["moban"]):
             main()
 
+    @raises(SystemExit)
+    @patch("os.path.exists")
+    @patch("moban.main.handle_moban_file")
+    @patch("moban.reporter.report_error_message")
+    def test_double_underscore_main(
+        self, fake_reporter, fake_moban_file, fake_file
+    ):
+        fake_file.return_value = True
+        fake_moban_file.side_effect = exceptions.DirectoryNotFound
+        from moban.__main__ import main
+
+        with patch.object(sys, "argv", ["moban"]):
+            main()
+
 
 class TestExitCodes:
     def setUp(self):
diff --git a/tests/test_reporter.py b/tests/test_reporter.py
index b5757362..5e60daeb 100644
--- a/tests/test_reporter.py
+++ b/tests/test_reporter.py
@@ -36,6 +36,22 @@ def test_error_message():
     eq_(fake_stdout.getvalue(), "Error: something wrong\n")
 
 
+def test_info_message():
+    patcher = patch("sys.stdout", new_callable=StringIO)
+    fake_stdout = patcher.start()
+    reporter.report_info_message("for your information")
+    patcher.stop()
+    eq_(fake_stdout.getvalue(), "Info: for your information\n")
+
+
+def test_warning_message():
+    patcher = patch("sys.stdout", new_callable=StringIO)
+    fake_stdout = patcher.start()
+    reporter.report_warning_message("Maybe you wanna know")
+    patcher.stop()
+    eq_(fake_stdout.getvalue(), "Warning: Maybe you wanna know\n")
+
+
 def test_report_templating():
     patcher = patch("sys.stdout", new_callable=StringIO)
     fake_stdout = patcher.start()
@@ -56,3 +72,14 @@ def test_format_single():
     message = "1 files"
     ret = reporter._format_single(message, 1)
     eq_(ret, "1 file")
+
+
+def test_report_template_not_in_moban_file():
+    patcher = patch("sys.stdout", new_callable=StringIO)
+    fake_stdout = patcher.start()
+    reporter.report_template_not_in_moban_file("test.jj2")
+    patcher.stop()
+    eq_(
+        fake_stdout.getvalue(),
+        "Warning: test.jj2 is not defined in your moban file!\n",
+    )
diff --git a/tests/test_utils.py b/tests/test_utils.py
index 13176cc7..cd3a4bf8 100644
--- a/tests/test_utils.py
+++ b/tests/test_utils.py
@@ -9,6 +9,7 @@
 
 from moban.utils import (
     mkdir_p,
+    open_json,
     get_repo_name,
     write_file_out,
     file_permissions,
@@ -169,3 +170,9 @@ def test_get_repo_name():
     actual = [get_repo_name(repo) for repo in repos]
     expected = ["repo", "repo"]
     eq_(expected, actual)
+
+
+def test_open_json():
+    content = open_json(os.path.join("tests", "fixtures"), "child.json")
+    expected = {"key": "hello world", "pass": "ox"}
+    eq_(expected, content)