def test_cat_to_stdout(capsys):
command = Cat()
command.set_args(["cat", "Bash-CLI/src/tests/data/example.txt"])
command.execute()
expected = "first line\nsecond\n123"
captured = capsys.readouterr()
assert captured.out == expected
def test_cat_from_argument():
command = Cat()
output = IOChannel()
command.set_args(["cat", "Bash-CLI/src/tests/data/example.txt"])
command.set_output_channel(output)
command.execute()
expected = "first line\nsecond\n123"
assert output.read() == expected
def create_executable(self, tokenized):
normalized = [
token.get_string_with_normalized_quotes()
for token in tokenized.to_list()
]
self.__check_args(normalized)
command = Cat()
command.set_args(normalized)
return command
def test_pwd_to_pipe():
pipe = Pipe()
first_command = Pwd()
first_command.set_args(["pwd"])
pipe.append(first_command)
second_command = Cat()
second_command.set_args(["cat"])
output = IOChannel()
second_command.set_output_channel(output)
pipe.append(second_command)
pipe.execute()
assert output.read() == os.getcwd() + '\n'
def test_cat_pass_to_pipe():
pipe = Pipe()
first_command = Cat()
first_command.set_args(["cat", "Bash-CLI/src/tests/data/numbers.txt"])
pipe.append(first_command)
second_command = Cat()
second_command.set_args(["cat"])
output = IOChannel()
second_command.set_output_channel(output)
pipe.append(second_command)
pipe.execute()
assert output.read() == '3\n2\n1'
def test_echo_not_read_arguments():
pipe = Pipe()
first_command = Cat()
first_command.set_args(["cat", "Bash-CLI/src/tests/data/numbers.txt"])
pipe.append(first_command)
second_command = Echo()
second_command.set_args(["echo"])
output = IOChannel()
second_command.set_output_channel(output)
pipe.append(second_command)
pipe.execute()
assert output.read() == '\n'
def test_echo_pass_arguments():
pipe = Pipe()
first_command = Echo()
first_command.set_args(["echo", "123"])
pipe.append(first_command)
second_command = Cat()
second_command.set_args(["cat"])
output = IOChannel()
second_command.set_output_channel(output)
pipe.append(second_command)
pipe.execute()
assert output.read() == "123\n"
def test_external_from_pipe():
pipe = Pipe()
first_command = Cat()
first_command.set_args(["cat", "Bash-CLI/src/tests/data/numbers.txt"])
pipe.append(first_command)
second_command = CallExternal()
second_command.set_args(["sort"])
output = IOChannel()
second_command.set_output_channel(output)
pipe.append(second_command)
pipe.execute()
assert output.read() == "1\n2\n3\n"
def test_cat_from_channel():
command = Cat()
input = IOChannel()
input.write("my input")
output = IOChannel()
command.set_args(["cat"])
command.set_output_channel(output)
command.set_input_channel(input)
command.execute()
expected = "my input"
assert output.read() == expected