def test_singevalue_directive():
policy = ContentSecurityPolicy()
policy.sandbox = "allow-forms"
assert policy.text == "sandbox allow-forms"
policy.sandbox = ""
assert policy.text == ""
with pytest.raises(TypeError):
policy.sandbox = None
def test_multiple_directives():
policy = ContentSecurityPolicy()
policy.default_src.add("https://example.org")
policy.default_src.add("https://foobar.org")
policy.sandbox = "allow-forms"
policy.block_all_mixed_content = True
assert policy.text == (
"block-all-mixed-content;"
"default-src https://example.org https://foobar.org;"
"sandbox allow-forms")