def test_no_opening_brace():
with pytest.raises(ParseError) as excinfo:
sub("hello $thing", dict())
assert excinfo.value.reason == "Missing opening brace"
assert excinfo.value.diagram == \
"hello $thing\n" \
" ^"
def test_non_string_values():
with pytest.raises(ValueError):
print(repr(sub("${thing}", dict(thing=1))))
with pytest.raises(ValueError):
print(repr(sub("${thing}", dict(thing=1.5))))
with pytest.raises(ValueError):
print(repr(sub("${thing}", dict(thing=None))))
def test_no_closing_brace():
with pytest.raises(ParseError) as excinfo:
sub("hello ${thing", dict())
assert excinfo.value.reason == \
"Opening brace at char 7 is missing a closing brace"
assert excinfo.value.diagram == \
"hello ${thing\n" \
" ^-----^"
def test_invalid_variable_name():
with pytest.raises(ParseError) as excinfo:
sub("${0}", dict())
assert excinfo.value.diagram == \
"${0}\n" \
" ^"
with pytest.raises(ParseError) as excinfo:
sub("${00}", dict())
assert excinfo.value.diagram == \
"${00}\n" \
" ^^"
with pytest.raises(ParseError) as excinfo:
sub("${0_foo}", dict())
assert "Invalid" in excinfo.value.reason
assert excinfo.value.diagram == \
"${0_foo}\n" \
" ^---^"
def test_no_subs():
assert sub("hello world", dict()) == "hello world"
def test_binary_value_and_input():
assert sub(
b"\xF0\x9F\x98\xB0${thing}\xF0\x9F\x98\xB0",
dict(thing=b"\xF0\x9F\x98\x81"),
) == u"\U0001F630\U0001F601\U0001F630"
def test_binary_value():
assert sub(
u"\U0001F630${thing}\U0001F630",
dict(thing=b"\xF0\x9F\x98\x81"),
) == u"\U0001F630\U0001F601\U0001F630"
def test_no_value():
assert sub("${thing}", dict()) == ""
def test_simple_sub():
assert sub("hello ${thing}", dict(thing="world")) == "hello world"