"""Greencard implementation."""
from functools import wraps


TESTS = []


def greencard(func):
    """
    A decorator for providing a unittesting function/method with every card in
    a librarian card library database when it is called.
    """
    @wraps(func)
    def wrapped(*args, **kwargs):
        """Transparent wrapper."""
        return func(*args, **kwargs)
    TESTS.append(wrapped)
    return wrapped


def descovery(testdir):
    """Descover and load greencard tests."""
    import os
    from glob import glob
    import importlib

    for testpath in glob(os.path.join(testdir, "*.py")):
        importlib.import_module(testpath)


def main(clargs=None):
    """Command line entry point."""
    from argparse import ArgumentParser
    from librarian.library import Library
    import sys

    parser = ArgumentParser(
        description="A test runner for each card in a librarian library.")
    parser.add_argument("library", help="Library database")
    parser.add_argument("-t", "--tests", default="./tests/",
                        help="Test directory")
    args = parser.parse_args(clargs)

    descovery(args.tests)

    library = Library(args.library)
    failures = 0

    for card in library.retrieve_all():
        for test in TESTS:
            try:
                test(card)
            except AssertionError:
                print("{0} failed {1}".format(card, test.__name__))
                failures += 1
    sys.exit(failures)

"""Greencard implementation."""
from functools import wraps


TESTS = []


def greencard(func):
    """
    A decorator for providing a unittesting function/method with every card in
    a librarian card library database when it is called.
    """
    @wraps(func)
    def wrapped(*args, **kwargs):
        """Transparent wrapper."""
        return func(*args, **kwargs)
    TESTS.append(wrapped)
    return wrapped


def descovery(testdir):
    """Descover and load greencard tests."""
    from os.path import splitext, basename, join, exists
    if not exists(testdir):
        return None

    import sys
    from glob import glob
    import importlib

    sys.path.append(testdir)

    for testpath in glob(join(testdir, "*.py")):
        name, _ = splitext(basename(testpath))
        importlib.import_module(name)


def main(clargs=None):
    """Command line entry point."""
    from argparse import ArgumentParser
    from librarian.library import Library
    import sys

    parser = ArgumentParser(
        description="A test runner for each card in a librarian library.")
    parser.add_argument("library", help="Library database")
    parser.add_argument("-t", "--tests", default="./tests/",
                        help="Test directory")
    args = parser.parse_args(clargs)

    descovery(args.tests)

    library = Library(args.library)
    failures = 0

    for card in library.retrieve_all():
        for test in TESTS:
            try:
                test(card)
            except AssertionError:
                print("{0} failed {1}".format(card, test.__name__))
                failures += 1
    sys.exit(failures)

Fix test descovery to correctly add test dir to path and import modules rather then files
Fix test descovery to correctly add test dir to path and import modules rather then files

  """Greencard implementation."""
  from functools import wraps
  
  
  TESTS = []
  
  
  def greencard(func):
      """
      A decorator for providing a unittesting function/method with every card in
      a librarian card library database when it is called.
      """
      @wraps(func)
      def wrapped(*args, **kwargs):
          """Transparent wrapper."""
          return func(*args, **kwargs)
      TESTS.append(wrapped)
      return wrapped
  
  
  def descovery(testdir):
      """Descover and load greencard tests."""
+     from os.path import splitext, basename, join, exists
+     if not exists(testdir):
+         return None
+ 
-     import os
+     import sys
      from glob import glob
      import importlib
  
+     sys.path.append(testdir)
+ 
-     for testpath in glob(os.path.join(testdir, "*.py")):
+     for testpath in glob(join(testdir, "*.py")):
+         name, _ = splitext(basename(testpath))
-         importlib.import_module(testpath)
+         importlib.import_module(name)
  
  
  def main(clargs=None):
      """Command line entry point."""
      from argparse import ArgumentParser
      from librarian.library import Library
      import sys
  
      parser = ArgumentParser(
          description="A test runner for each card in a librarian library.")
      parser.add_argument("library", help="Library database")
      parser.add_argument("-t", "--tests", default="./tests/",
                          help="Test directory")
      args = parser.parse_args(clargs)
  
      descovery(args.tests)
  
      library = Library(args.library)
      failures = 0
  
      for card in library.retrieve_all():
          for test in TESTS:
              try:
                  test(card)
              except AssertionError:
                  print("{0} failed {1}".format(card, test.__name__))
                  failures += 1
      sys.exit(failures)
  
Fix test descovery to correctly add test dir to path and import modules rather then files
## Code Before:
"""Greencard implementation."""
from functools import wraps


TESTS = []


def greencard(func):
    """
    A decorator for providing a unittesting function/method with every card in
    a librarian card library database when it is called.
    """
    @wraps(func)
    def wrapped(*args, **kwargs):
        """Transparent wrapper."""
        return func(*args, **kwargs)
    TESTS.append(wrapped)
    return wrapped


def descovery(testdir):
    """Descover and load greencard tests."""
    import os
    from glob import glob
    import importlib

    for testpath in glob(os.path.join(testdir, "*.py")):
        importlib.import_module(testpath)


def main(clargs=None):
    """Command line entry point."""
    from argparse import ArgumentParser
    from librarian.library import Library
    import sys

    parser = ArgumentParser(
        description="A test runner for each card in a librarian library.")
    parser.add_argument("library", help="Library database")
    parser.add_argument("-t", "--tests", default="./tests/",
                        help="Test directory")
    args = parser.parse_args(clargs)

    descovery(args.tests)

    library = Library(args.library)
    failures = 0

    for card in library.retrieve_all():
        for test in TESTS:
            try:
                test(card)
            except AssertionError:
                print("{0} failed {1}".format(card, test.__name__))
                failures += 1
    sys.exit(failures)

## Instruction:
Fix test descovery to correctly add test dir to path and import modules rather then files
## Code After:
"""Greencard implementation."""
from functools import wraps


TESTS = []


def greencard(func):
    """
    A decorator for providing a unittesting function/method with every card in
    a librarian card library database when it is called.
    """
    @wraps(func)
    def wrapped(*args, **kwargs):
        """Transparent wrapper."""
        return func(*args, **kwargs)
    TESTS.append(wrapped)
    return wrapped


def descovery(testdir):
    """Descover and load greencard tests."""
    from os.path import splitext, basename, join, exists
    if not exists(testdir):
        return None

    import sys
    from glob import glob
    import importlib

    sys.path.append(testdir)

    for testpath in glob(join(testdir, "*.py")):
        name, _ = splitext(basename(testpath))
        importlib.import_module(name)


def main(clargs=None):
    """Command line entry point."""
    from argparse import ArgumentParser
    from librarian.library import Library
    import sys

    parser = ArgumentParser(
        description="A test runner for each card in a librarian library.")
    parser.add_argument("library", help="Library database")
    parser.add_argument("-t", "--tests", default="./tests/",
                        help="Test directory")
    args = parser.parse_args(clargs)

    descovery(args.tests)

    library = Library(args.library)
    failures = 0

    for card in library.retrieve_all():
        for test in TESTS:
            try:
                test(card)
            except AssertionError:
                print("{0} failed {1}".format(card, test.__name__))
                failures += 1
    sys.exit(failures)
