def test_errors(f2003_create):
'''Check that format specifications not conforming to the C1002 1st
clause, raise an NoMatchError exception.
'''
for my_input in [None, "", " ", "I2", "F2.3E4", "D2.3E4", "F", "D",
"ES", "F2", "F2.", "E2E3", "E2.E3", "E2.3E", "E2.3E4E"]:
with pytest.raises(NoMatchError):
_ = Data_Edit_Desc_C1002(my_input)
def test_internal_error1(f2003_create, monkeypatch):
'''Check that an internal error is raised if the length of the Items
list is not 4 as the str() method assumes that it is.
'''
my_input = "E1.2E3"
ast = Data_Edit_Desc_C1002(my_input)
monkeypatch.setattr(ast, "items", [None, None, None])
with pytest.raises(InternalError) as excinfo:
str(ast)
assert "has '3' items, but expecting 4." in str(excinfo)
def test_internal_error6(f2003_create, monkeypatch):
'''Check that an internal error is raised if the descriptor name
has an unexpected value.
'''
my_input = "E1.2E3"
ast = Data_Edit_Desc_C1002(my_input)
monkeypatch.setattr(ast, "items", ["INVALID"] + list(ast.items[1:]))
with pytest.raises(InternalError) as excinfo:
str(ast)
assert "Unexpected descriptor name 'INVALID'" in str(excinfo)
def test_wde(f2003_create):
'''Check that valid w.dEe format specifications are parsed
correctly. Also include an example with spaces and multiple
digits with spaces.
'''
for descriptor in ["E", "EN", "ES", "G", "e", "en", "En", "eN", "es", "g"]:
for my_input in ["{0}2.3E4".format(descriptor),
" {0} 2 . 3 E 4 ".format(descriptor),
" {0} 2 2 . 3 3 E 4 4 ".format(descriptor)]:
ast = Data_Edit_Desc_C1002(my_input)
assert str(ast) == my_input.upper().replace(" ", "")
def test_internal_error5(f2003_create, monkeypatch):
'''Check that an internal error is raised if the e value (entry 3 of
items) has content when the descriptor is F or D as it should be
None.
'''
for my_input in ["F1.2", "D1.2"]:
ast = Data_Edit_Desc_C1002(my_input)
monkeypatch.setattr(ast, "items", list(ast.items[0:3]) + ["3"])
with pytest.raises(InternalError) as excinfo:
str(ast)
assert ("has an exponent value '3' but this is not allowed for 'F' "
"and 'D' descriptors" in str(excinfo))
def test_internal_error4(f2003_create, monkeypatch):
'''Check that an internal error is raised if the m value (entry 2 of
items) is empty or None as the str() method assumes that it is a
string with content.
'''
my_input = "E1.2E3"
ast = Data_Edit_Desc_C1002(my_input)
for content in [None, ""]:
monkeypatch.setattr(
ast, "items", [ast.items[0], ast.items[1], content, ast.items[3]])
with pytest.raises(InternalError) as excinfo:
str(ast)
assert "should be the m value but is empty or None" in str(excinfo)
def test_internal_error2(f2003_create, monkeypatch):
'''Check that an internal error is raised if the descriptor name
(entry 0 of items) is empty or None as the str() method assumes
that it is a string with content.
'''
my_input = "E1.2E3"
ast = Data_Edit_Desc_C1002(my_input)
for content in [None, ""]:
monkeypatch.setattr(ast, "items", [content] + list(ast.items[1:]))
with pytest.raises(InternalError) as excinfo:
str(ast)
assert "should be a descriptor name but is empty or None" \
in str(excinfo)