def test_context_can_expand_variable():
context = Context()
context.variables["some"] = "value"
expected = "just value"
actual = context.expand_variable("just $some")
assert actual == expected, "Expected %s Actual %s" % (expected, actual)
def test_context_returns_imediately_on_null_variable():
context = Context()
assert not context.expand_variable("")
def test_context_does_not_replace_variable_if_two_variable_signs_found():
context = Context()
context.variables["some"] = "value"
assert context.expand_variable("$$some") == "$some"
def test_context_does_not_expand_unknown_variables():
context = Context()
assert context.expand_variable("$some") == "$some"
