def test_list_contents():
"""
This function tests the OSUtilities.list_contents function to ensure it returns the
correct files and directories
"""
util = OSUtilities()
plat = platform.system()
if plat == 'Darwin':
directory = '../data/test/list_dir'
else:
directory = r'..\data\test\list_dir'
contents = util.list_contents(directory=directory, extension='.py')
assert 'test.py' in contents
contents = util.list_contents(directory=directory, extension='.txt')
expected_result = ['test1.txt', 'test2.txt', 'test3.txt']
for i in contents:
assert i in expected_result
contents = util.list_contents(directory=directory)
expected_result = [
'test1.txt', 'test2.txt', 'test3.txt', 'test', 'test.py'
]
for i in contents:
assert i in expected_result
def test_copy_files_everything():
"""
This function tests the OSUtilities.copy_files function to ensure that it
correctly copies all contents of a directory to a new directory
"""
plat = platform.system()
if plat == 'Darwin':
source = '../data/test/move_directory3'
destination = '../data/test/move_directory2'
file1 = '../data/test/move_directory2/test1.txt'
file2 = '../data/test/move_directory2/test2.txt'
direct = '../data/test/move_directory2/test'
ds = '../data/test/move_directory2/.DS_Store'
else:
source = r'..\data\test\move_directory3'
destination = r'..\data\test\move_directory2'
file1 = r'..\data\test\move_directory2\test1.txt'
file2 = r'..\data\test\move_directory2\test2.txt'
direct = r'..\data\test\move_directory2/test'
ds = r' '
util = OSUtilities()
util.copy_files(destination, source)
assert os.path.isfile(file1)
assert os.path.isfile(file2)
assert os.path.isdir(direct)
shutil.rmtree(direct)
os.remove(file1)
os.remove(file2)
if plat == 'Darwin':
os.remove(ds)
def test_current_working_directory():
"""
This function tests the OSUtilities.get_current_working_directory
function to ensure that it can correctly identify the current working
directory
"""
util = OSUtilities()
cwd = util.current_working_directory()
answer = os.getcwd()
assert cwd == answer
def test_determine_file_line_count():
"""
This function tests the OSUtilities.file_line_count function to ensure
it can correctly determine how many lines are in a file
"""
util = OSUtilities()
plat = platform.system()
if plat == 'Darwin':
file = '../data/test/text_file.txt'
else:
file = r'../data/test/text_file.txt'
lines = util.file_line_count(file)
assert lines == 4
def test_determine_file_size():
"""
This function tests the OSUtilities.determine_file_size function to determine
if it can correctly determine the size of a file
"""
util = OSUtilities()
plat = platform.system()
if plat == 'Darwin':
file = '../data/test/size_test.jpg'
else:
file = r'..\data\test\size_test.jpg'
file_size = util.determine_file_size(file)
assert isclose(file_size, 26674.009, rel_tol=1.0e-3)
def test_verify_file_existence():
"""
This function tests the OSUtilities.verify_file_existence function to
ensure it can correctly identify that a file does exist
"""
util = OSUtilities()
plat = platform.system()
if plat == 'Darwin':
file = '../data/test/text_file.txt'
else:
file = r'..\data\test\text_file.txt'
status = util.verify_file_existence(file)
assert status
def test_directory_existence_not_verified():
"""
This function tests the OSUtilities.verify_directory_existence function to
ensure it can correctly identify that a file does exist
"""
util = OSUtilities()
plat = platform.system()
if plat == 'Darwin':
file = '../data/test/no_directory'
else:
file = r'..\data\test\no_directory'
status = util.verify_directory_existence(file)
assert not status
def test_file_word_count():
"""
This function tests the OSUtilities.file_word_count function to determine
if it can correctly determine the number of words in a file
"""
util = OSUtilities()
plat = platform.system()
if plat == 'Darwin':
file = '../data/test/text_file.txt'
else:
file = r'../data/test/text_file.txt'
words = util.file_word_count(file)
assert words == 21
def test_count_word_occurrence():
"""
This function tests the OSUtilities.count_occurrence_of_words_in_file
to ensure it correctly determines the number of times a word occurs in
a file
"""
util = OSUtilities()
plat = platform.system()
if plat == 'Darwin':
file = '../data/test/text_file.txt'
else:
file = r'..\data\test\text_file.txt'
num_words = util.count_occurrence_of_word_in_file(file, 'file')
assert num_words == 4
def test_create_directory():
"""
This function tests the OSUtilities.create_directory command to ensure it correctly
creates a directory
"""
util = OSUtilities()
plat = platform.system()
if plat == 'Darwin':
directory = '../data/test/test_directory3'
else:
directory = r'..\data\test\test_directory3'
util.create_directory(directory)
assert os.path.isdir(directory)
if os.path.isdir(directory):
os.rmdir(directory)
def test_delete_directory():
"""
This function tests the OSUtilitiescreate_file function to ensure that it
correctly creates an ASCII based text file
"""
util = OSUtilities()
plat = platform.system()
if plat == 'Darwin':
dire = '../data/test/test_directory'
else:
dire = r'..\data\test\test_directory'
util.delete_directory(dire)
assert not os.path.isdir(dire)
if not os.path.isdir(dire):
os.mkdir(dire)
def test_create_file():
"""
This function tests the OSUtilities.create_file function to ensure that it
correctly creates an ASCII based text file
"""
util = OSUtilities()
plat = platform.system()
if plat == 'Darwin':
file = '../data/test/create_file_test.txt'
else:
file = r'..\data\test\create_file_test.txt'
util.create_file(file)
assert os.path.isfile(file)
if os.path.isfile(file):
os.remove(file)
def test_copy_file():
"""
This function tests the ability of the OSUtilities.copy_file function to correctly
copy a file
"""
util = OSUtilities()
plat = platform.system()
if plat == 'Darwin':
file1 = '../data/test/test_file2.txt'
file2 = '../data/test/copy_test.txt'
else:
file1 = r'..\data\test\test_file2.txt'
file2 = r'..\data\test\copy_test.txt'
util.copy_file(file1, file2)
assert os.path.isfile(file2)
if os.path.isfile(file2):
os.remove(file2)
def test_copy_files_dirs():
"""
This function tests the OSUtilities.copy_files function to ensure that it
correctly copies all directories of a directory to a new directory
"""
plat = platform.system()
if plat == 'Darwin':
source = '../data/test/move_directory3'
destination = '../data/test/move_directory2'
direct = '../data/test/move_directory2/test'
else:
source = r'..\data\test\move_directory3'
destination = r'..\data\test\move_directory2'
direct = r'..\data\test\move_directory2/test'
util = OSUtilities()
util.copy_files(destination, source, dirs=True)
assert os.path.isdir(direct)
shutil.rmtree(direct)
def test_copy_directory():
"""
This function tests the ability of the OSUtilities.copy_directory function to
copy a directory
"""
util = OSUtilities()
plat = platform.system()
if plat == 'Darwin':
directory1 = '../data/test/test_directory2'
directory2 = '../data/test/test_directory3'
file = '../data/test/test_directory3/test.txt'
else:
directory1 = r'..\data\test\est_directory2'
directory2 = r'..\data\test\test_directory3'
file = r'..\data\test\test_directory3\test.txt'
util.copy_directory(directory1, directory2)
assert os.path.isdir(directory2)
assert os.path.isfile(file)
if os.path.isdir(directory2):
shutil.rmtree(directory2)
def test_move_files_everything():
"""
This function tests the OSUtilities.move_files function to ensure that it
correctly moves all contents of a directory to a new directory
"""
plat = platform.system()
if plat == 'Darwin':
source = '../data/test/move_directory3'
destination = '../data/test/move_directory2'
direct = '../data/test/move_directory2/test'
file1 = '../data/test/move_directory2/test1.txt'
file2 = '../data/test/move_directory2/test2.txt'
else:
source = r'..\data\test\move_directory3'
destination = r'..\data\test\move_directory2'
direct = r'..\data\test\move_directory2\test'
file1 = r'..\data\test\move_directory2\test1.txt'
file2 = r'..\data\test\move_directory2\test2.txt'
util = OSUtilities()
util.move_files(destination, source)
assert os.path.isfile(file1)
assert os.path.isfile(file2)
assert os.path.isdir(direct)
util.move_files(source, destination)
def test_copy_files_files():
"""
This function tests the OSUtilities.copy_files function to ensure that it
correctly copies text file contents of a directory to a new directory
"""
plat = platform.system()
if plat == 'Darwin':
source = '../data/test/move_directory3'
destination = '../data/test/move_directory2'
file1 = '../data/test/move_directory2/test1.txt'
file2 = '../data/test/move_directory2/test2.txt'
else:
source = r'..\data\test\move_directory3'
destination = r'..\data\test\move_directory2'
file1 = r'..\data\test\move_directory2\test1.txt'
file2 = r'..\data\test\move_directory2\test2.txt'
util = OSUtilities()
util.copy_files(destination, source, '.txt')
assert os.path.isfile(file1)
assert os.path.isfile(file2)
os.remove(file1)
os.remove(file2)
def test_change_directory():
"""
This function tests the ability of OSUtilities.change_directory to properly
change a directory
"""
current = os.getcwd()
new = current[:-6]
util = OSUtilities()
util.change_directory("../")
assert new == os.getcwd()
util.change_directory("tests")
def test_delete_file():
"""
This function tests the OSUtilities.delete_file function to ensure that it correctly
deletes a file
"""
util = OSUtilities()
plat = platform.system()
if plat == 'Darwin':
file = '../data/test/delete_test.txt'
else:
file = r'..\data\test\delete_test.txt'
util.delete_file(file)
assert not os.path.isfile(file)
if not os.path.isfile(file):
util.create_file(file)
def test_move_file():
"""
This function test the OSUtilities.move_file_or_directory function to ensure that it
successfully moves files between different locations
"""
util = OSUtilities()
plat = platform.system()
if plat == 'Darwin':
file1 = '../data/test/move_test.txt'
file2 = '../data/test/move_directory1/move_test2.txt'
else:
file1 = r'..\data\test\move_test.txt'
file2 = r'..\data\test\move_directory1\move_test2.txt'
util.move_file(file1, file2)
assert os.path.isfile(file2)
if os.path.isfile(file2):
util.move_file(file2, file1)
def test_remove_populated_directory():
"""
This function tests the OSUtilities.remove_populated_directory function to determine
if it correctly removes a populated directory
"""
util = OSUtilities()
plat = platform.system()
if plat == 'Darwin':
directory = '../data/test/populated_dir1'
file = '../data/test/populated_dir1/test.txt'
else:
directory = r'../data/test/populated_dir1'
file = r'../data/test/populated_dir1/test.txt'
util.delete_populated_directory(directory)
assert not os.path.isdir(directory)
if not os.path.isdir(directory):
os.mkdir(directory)
util.create_file(file)
