def test_read_bool():
"""Test reading Boolean values."""
# Test reading True values.
scanner = Scanner(reader=ListReader(tokens=['true', 'yes', 'y', 't', 1]))
for i in range(5):
assert scanner.next_bool()
# Test reading False values.
scanner = Scanner(reader=ListReader(tokens=['false', 'no', 'n', 'f', 0]))
for i in range(5):
assert not scanner.next_bool()
# Test default value.
scanner = Scanner(reader=ListReader(tokens=['', '']))
assert scanner.next_bool(default_value=True)
assert not scanner.next_bool(default_value=False)
def read_parameter(
para: Parameter, scanner: Scanner, files: Optional[Tuple[str, str, str]] = None
) -> Any:
"""Read value for a given template parameter declaration. Prompts the
user to enter a value for the given parameter and returns the converted
value that was entered by the user.
Parameters
----------
para: flowserv.model.parameter.base.Parameter
Workflow template parameter declaration
scanner: flowserv.scanner.Scanner
Input scanner.
files: list, default=None
List of tuples representing uploaded files. Each tuple has three
elements: file_id, name, timestamp.
Returns
-------
bool or float or int or string or tuple(string, string)
"""
while True:
if not para.is_file():
print(para.prompt(), end='')
try:
if para.is_bool():
return scanner.next_bool(default_value=para.default)
elif para.is_file():
return read_file(para=para, scanner=scanner, files=files)
elif para.is_float():
return scanner.next_float(default_value=para.default)
elif para.is_int():
return scanner.next_int(default_value=para.default)
return scanner.next_string(default_value=para.default)
except ValueError as ex:
print(ex)