def test_data_edit_descriptor(f2003_create):
'''Check that basic format specifications are parsed correctly for a
data edit descriptor. The description is tested in more detail by
the associated class.
'''
# No R
for my_input in ["F2.2", " F2.2 "]:
ast = Format_Item(my_input)
assert my_input.replace(" ", "") in str(ast)
assert repr(ast) == ("Format_Item(None, Data_Edit_Desc_C1002('F',"
" Digit_String('2', None), Int_Literal_Constant("
"'2', None), None))")
# R
for my_input in ["2F2.2", " 2 F2.2 "]:
ast = Format_Item(my_input)
assert my_input.replace(" ", "") in str(ast)
assert repr(ast) == ("Format_Item(Digit_String('2', None), Data_Edit"
"_Desc_C1002('F', Digit_String('2', None), "
"Int_Literal_Constant('2', None), None))")
# Multi-R
for my_input in ["22F2.2", " 2 2 F2.2 "]:
ast = Format_Item(my_input)
assert my_input.replace(" ", "") in str(ast)
assert repr(ast) == ("Format_Item(Digit_String('22', None), Data_Edit"
"_Desc_C1002('F', Digit_String('2', None), "
"Int_Literal_Constant('2', None), None))")
def test_errors(f2003_create):
'''test some list errors. Individual item errors will be picked up by
the subclasses.
'''
for my_input in [None, "", " ", "2", "2 ", "(", ")"]:
with pytest.raises(NoMatchError):
_ = Format_Item(my_input)
def test_char_edit_descriptor(f2003_create):
'''Check that basic format specifications are parsed correctly for a
char string edit descriptor. The description is tested in more
detail by the associated class.
'''
for my_input in ["'hello'", " 'hello' "]:
ast = Format_Item(my_input)
assert my_input.strip() in str(ast)
assert repr(ast) == ("Char_Literal_Constant(\"'hello'\", None)")
def test_control_edit_descriptor(f2003_create):
'''Check that basic format specifications are parsed correctly for a
control edit descriptor. The description is tested in more detail by
the associated class.
'''
for my_input in ["2P", " 2P "]:
ast = Format_Item(my_input)
assert my_input.strip() in str(ast)
assert repr(ast) == ("Control_Edit_Desc(Signed_Int_Literal_Constant("
"'2', None), 'P')")
def test_internal_errors1(f2003_create, monkeypatch):
'''Check that an internal error is raised if the length of the Items
list is not 2 as the str() method assumes that it is.
'''
line = "2F2.2"
ast = Format_Item(line)
monkeypatch.setattr(ast, "items", [None, None, None])
with pytest.raises(InternalError) as excinfo:
str(ast)
assert "should be of length 2 but found '3'" in str(excinfo.value)
def test_hollerith_item(f2003_create, monkeypatch):
'''Check that a hollerith item is parsed correctly. The description is
tested in more detail by the associated class.
'''
from fparser.two import utils
monkeypatch.setattr(utils, "EXTENSIONS", ["hollerith"])
for my_input in ["2H12", " 2H12 "]:
ast = Format_Item(my_input)
assert my_input.strip() in str(ast)
assert repr(ast) == ("Hollerith_Item('12')")
def test_internal_errors2(f2003_create, monkeypatch):
'''Check that an internal error is raised if the descriptor item
(first entry of items) is empty or None as the str() method
assumes that it has content.
'''
ast = Format_Item("F2.2")
monkeypatch.setattr(ast, "items", [ast.items[0], None])
with pytest.raises(InternalError) as excinfo:
str(ast)
assert ("items list second entry should be a valid descriptor but it "
"is empty or None") in str(excinfo.value)