def test_no_variable():
preprocessor = Preprocessor()
environment = Environment()
tokenized = Tokenized.from_list(
[Token(TokenType.DOUBLE_QUOTED, "var == $var")])
with pytest.raises(Exception):
_ = preprocessor.process(tokenized, environment)
def test_substitute_only_once():
preprocessor = Preprocessor()
environment = Environment()
tokenized = Tokenized.from_list([Token(TokenType.SIMPLE, "$var1")])
environment.put("var1", "$var1")
processed = preprocessor.process(tokenized, environment)
assert processed.to_string_list() == ["$var1"]
def test_single_quoted():
preprocessor = Preprocessor()
environment = Environment()
tokenized = Tokenized.from_list([Token(TokenType.SINGLE_QUOTED, "'$var'")])
environment.put("var", "1")
processed = preprocessor.process(tokenized, environment)
assert processed.to_string_list() == ["'$var'"]
def test_token_with_no_variable():
preprocessor = Preprocessor()
environment = Environment()
tokenized = Tokenized.from_list([Token(TokenType.SIMPLE, "var")])
environment.put("var", "1")
processed = preprocessor.process(tokenized, environment)
assert processed.to_string_list() == ["var"]
def test_double_quoted():
preprocessor = Preprocessor()
environment = Environment()
tokenized = Tokenized.from_list(
[Token(TokenType.DOUBLE_QUOTED, "\"var == $var\"")])
environment.put("var", "1")
processed = preprocessor.process(tokenized, environment)
assert processed.to_string_list() == ["\"var == 1\""]
def test_several():
preprocessor = Preprocessor()
environment = Environment()
tokenized = Tokenized.from_list([
Token(TokenType.SIMPLE, "$var1"),
Token(TokenType.SIMPLE, "var2"),
Token(TokenType.SIMPLE, "$var3")
])
environment.put("var1", "1")
environment.put("var2", "2")
environment.put("var3", "3")
processed = preprocessor.process(tokenized, environment)
assert processed.to_string_list() == ["1", "var2", "3"]