Code linting and added runtests.py

1 files changed, 86 insertions, 0 deletions

diff --git a/runtests.py b/runtests.py
new file mode 100755
index 00000000..4da05ac3
--- /dev/null
+++ b/runtests.py
@@ -0,0 +1,86 @@
+#! /usr/bin/env python
+from __future__ import print_function
+
+import pytest
+import sys
+import os
+import subprocess
+
+
+PYTEST_ARGS = {
+    'default': ['tests'],
+    'fast': ['tests', '-q'],
+}
+
+FLAKE8_ARGS = ['rest_framework', 'tests', '--ignore=E501']
+
+
+sys.path.append(os.path.dirname(__file__))
+
+def exit_on_failure(ret, message=None):
+    if ret:
+        sys.exit(ret)
+
+def flake8_main(args):
+    print('Running flake8 code linting')
+    ret = subprocess.call(['flake8'] + args)
+    print('flake8 failed' if ret else 'flake8 passed')
+    return ret
+
+def split_class_and_function(string):
+    class_string, function_string = string.split('.', 1)
+    return "%s and %s" % (class_string, function_string)
+
+def is_function(string):
+    # `True` if it looks like a test function is included in the string.
+    return string.startswith('test_') or '.test_' in string
+
+def is_class(string):
+    # `True` if first character is uppercase - assume it's a class name.
+    return string[0] == string[0].upper()
+
+
+if __name__ == "__main__":
+    try:
+        sys.argv.remove('--nolint')
+    except ValueError:
+        run_flake8 = True
+    else:
+        run_flake8 = False
+
+    try:
+        sys.argv.remove('--lintonly')
+    except ValueError:
+        run_tests = True
+    else:
+        run_tests = False
+
+    try:
+        sys.argv.remove('--fast')
+    except ValueError:
+        style = 'default'
+    else:
+        style = 'fast'
+        run_flake8 = False
+
+    if len(sys.argv) > 1:
+        pytest_args = sys.argv[1:]
+        first_arg = pytest_args[0]
+        if first_arg.startswith('-'):
+            # `runtests.py [flags]`
+            pytest_args = ['tests'] + pytest_args
+        elif is_class(first_arg) and is_function(first_arg):
+            # `runtests.py TestCase.test_function [flags]`
+            expression = split_class_and_function(first_arg)
+            pytest_args = ['tests', '-k', expression] + pytest_args[1:]
+        elif is_class(first_arg) or is_function(first_arg):
+            # `runtests.py TestCase [flags]` 
+            # `runtests.py test_function [flags]`
+            pytest_args = ['tests', '-k', pytest_args[0]] + pytest_args[1:]
+    else:
+        pytest_args = PYTEST_ARGS[style]
+
+    if run_tests:
+        exit_on_failure(pytest.main(pytest_args))
+    if run_flake8:
+        exit_on_failure(flake8_main(FLAKE8_ARGS))