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from unittest.mock import ANY, Mock
import pytest
from pytest_mock import MockerFixture
import headerparser
from headerparser import BOOL, HeaderParser, NormalizedDict
@pytest.fixture
def use_as_body() -> Mock:
def _use(nd: NormalizedDict, _name: str, value: str) -> None:
nd.body = value
return Mock(side_effect=_use)
def test_action(mocker: MockerFixture) -> None:
stub = mocker.stub()
parser = HeaderParser()
parser.add_field("Foo", action=stub)
parser.add_field("Bar")
parser.add_field("Baz")
msg = parser.parse("Foo: red\nBar: green\nBaz: blue\n")
assert dict(msg) == {"Bar": "green", "Baz": "blue"}
assert msg.body is None
stub.assert_called_once_with(msg, "Foo", "red")
def test_action_missing(mocker: MockerFixture) -> None:
stub = mocker.stub()
parser = HeaderParser()
parser.add_field("Foo", action=stub)
parser.add_field("Bar")
parser.add_field("Baz")
msg = parser.parse("Bar: green\nBaz: blue\n")
assert dict(msg) == {"Bar": "green", "Baz": "blue"}
assert msg.body is None
assert not stub.called
def test_action_type(mocker: MockerFixture) -> None:
stub = mocker.stub()
parser = HeaderParser()
parser.add_field("Foo", action=stub, type=BOOL)
parser.add_field("Bar")
msg = parser.parse("Foo: yes\nBar: green\n")
assert dict(msg) == {"Bar": "green"}
assert msg.body is None
stub.assert_called_once_with(msg, "Foo", True)
def test_action_type_error(mocker: MockerFixture) -> None:
stub = mocker.stub()
parser = HeaderParser()
parser.add_field("Foo", action=stub, type=BOOL)
parser.add_field("Bar")
with pytest.raises(headerparser.FieldTypeError):
parser.parse("Foo: maybe\nBar: green\n")
assert not stub.called
def test_action_required(mocker: MockerFixture) -> None:
stub = mocker.stub()
parser = HeaderParser()
parser.add_field("Foo", action=stub, required=True)
parser.add_field("Bar")
parser.add_field("Baz")
msg = parser.parse("Foo: red\nBar: green\nBaz: blue\n")
assert dict(msg) == {"Bar": "green", "Baz": "blue"}
assert msg.body is None
stub.assert_called_once_with(msg, "Foo", "red")
def test_action_required_missing(mocker: MockerFixture) -> None:
stub = mocker.stub()
parser = HeaderParser()
parser.add_field("Foo", action=stub, required=True)
parser.add_field("Bar")
parser.add_field("Baz")
with pytest.raises(headerparser.MissingFieldError):
parser.parse("Bar: green\nBaz: blue\n")
assert not stub.called
def test_action_choices(mocker: MockerFixture) -> None:
stub = mocker.stub()
parser = HeaderParser()
parser.add_field("Foo", action=stub, choices=["red", "green", "blue"])
parser.add_field("Bar")
msg = parser.parse("Foo: red\nBar: green\n")
assert dict(msg) == {"Bar": "green"}
assert msg.body is None
stub.assert_called_once_with(msg, "Foo", "red")
def test_action_bad_choice(mocker: MockerFixture) -> None:
stub = mocker.stub()
parser = HeaderParser()
parser.add_field("Foo", action=stub, choices=["red", "green", "blue"])
parser.add_field("Bar")
with pytest.raises(headerparser.InvalidChoiceError):
parser.parse("Foo: taupe\nBar: green\n")
assert not stub.called
def test_action_unfold(mocker: MockerFixture) -> None:
stub = mocker.stub()
parser = HeaderParser()
parser.add_field("Foo", action=stub, unfold=True)
parser.add_field("Bar")
msg = parser.parse("Foo: folded\n text \nBar: green\n")
assert dict(msg) == {"Bar": "green"}
assert msg.body is None
stub.assert_called_once_with(msg, "Foo", "folded text")
def test_action_no_unfold(mocker: MockerFixture) -> None:
stub = mocker.stub()
parser = HeaderParser()
parser.add_field("Foo", action=stub)
parser.add_field("Bar")
msg = parser.parse("Foo: folded\n text \nBar: green\n")
assert dict(msg) == {"Bar": "green"}
assert msg.body is None
stub.assert_called_once_with(msg, "Foo", "folded\n text ")
def test_action_default(mocker: MockerFixture) -> None:
stub = mocker.stub()
parser = HeaderParser()
parser.add_field("Foo", action=stub, default="orange")
parser.add_field("Bar")
parser.add_field("Baz")
msg = parser.parse("Foo: red\nBar: green\nBaz: blue\n")
assert dict(msg) == {"Bar": "green", "Baz": "blue"}
assert msg.body is None
stub.assert_called_once_with(msg, "Foo", "red")
def test_action_default_missing(mocker: MockerFixture) -> None:
stub = mocker.stub()
parser = HeaderParser()
parser.add_field("Foo", action=stub, default="orange")
parser.add_field("Bar")
parser.add_field("Baz")
msg = parser.parse("Bar: green\nBaz: blue\n")
assert dict(msg) == {"Foo": "orange", "Bar": "green", "Baz": "blue"}
assert msg.body is None
assert not stub.called
def test_action_different_case(mocker: MockerFixture) -> None:
stub = mocker.stub()
parser = HeaderParser()
parser.add_field("Foo", action=stub)
parser.add_field("Bar")
parser.add_field("Baz")
msg = parser.parse("FOO: red\nBar: green\nBaz: blue\n")
assert dict(msg) == {"Bar": "green", "Baz": "blue"}
assert msg.body is None
stub.assert_called_once_with(msg, "Foo", "red")
def test_action_multiname(mocker: MockerFixture) -> None:
stub = mocker.stub()
parser = HeaderParser()
parser.add_field("Foo", "Quux", action=stub)
parser.add_field("Bar")
parser.add_field("Baz")
msg = parser.parse("quux: red\nBar: green\nBaz: blue\n")
assert dict(msg) == {"Bar": "green", "Baz": "blue"}
assert msg.body is None
stub.assert_called_once_with(msg, "Foo", "red")
def test_action_multiple(mocker: MockerFixture) -> None:
stub = mocker.stub()
parser = HeaderParser()
parser.add_field("Foo", action=stub, multiple=True)
parser.add_field("Bar")
parser.add_field("Baz")
msg = parser.parse("Foo: red\nBar: green\nFOO: purple\nBaz: blue\nfoo: orange\n")
assert dict(msg) == {"Bar": "green", "Baz": "blue"}
assert msg.body is None
assert stub.call_args_list == [
mocker.call(msg, "Foo", "red"),
mocker.call(msg, "Foo", "purple"),
mocker.call(msg, "Foo", "orange"),
]
def test_action_dest(mocker: MockerFixture) -> None:
stub = mocker.stub()
parser = HeaderParser()
with pytest.raises(ValueError) as excinfo:
parser.add_field("Foo", action=stub, dest="bar")
assert "`action` and `dest` are mutually exclusive" in str(excinfo.value)
assert not stub.called
def test_action_normalized_dest(mocker: MockerFixture) -> None:
stub = mocker.stub()
parser = HeaderParser()
with pytest.raises(ValueError) as excinfo:
parser.add_field("Foo", action=stub, dest="foo")
assert "`action` and `dest` are mutually exclusive" in str(excinfo.value)
assert not stub.called
def test_action_additional(mocker: MockerFixture) -> None:
stub = mocker.stub()
parser = HeaderParser()
parser.add_field("Foo")
parser.add_additional(action=stub)
msg = parser.parse("Bar: green\nFoo: red\nBaz: blue\n")
assert dict(msg) == {"Foo": "red"}
assert msg.body is None
assert stub.call_args_list == [
mocker.call(msg, "Bar", "green"),
mocker.call(msg, "Baz", "blue"),
]
def test_action_multiple_additional(mocker: MockerFixture) -> None:
stub = mocker.stub()
parser = HeaderParser()
parser.add_field("Foo")
parser.add_additional(action=stub, multiple=True)
msg = parser.parse("Bar: green\nFoo: red\nBaz: blue\nbaz: mauve\nBAR: taupe\n")
assert dict(msg) == {"Foo": "red"}
assert msg.body is None
assert stub.call_args_list == [
mocker.call(msg, "Bar", "green"),
mocker.call(msg, "Baz", "blue"),
mocker.call(msg, "baz", "mauve"),
mocker.call(msg, "BAR", "taupe"),
]
@pytest.mark.parametrize("body", [True, None])
def test_action_set_body_overwritten(body: bool, use_as_body: Mock) -> None:
parser = HeaderParser(body=body)
parser.add_field("Foo", action=use_as_body)
parser.add_field("Bar")
msg = parser.parse("Foo: red\nBar: green\n\nThis is the body.\n")
assert dict(msg) == {"Bar": "green"}
assert msg.body == "This is the body.\n"
use_as_body.assert_called_once_with(msg, "Foo", "red")
def test_action_set_body_forbidden(use_as_body: Mock) -> None:
parser = HeaderParser(body=False)
parser.add_field("Foo", action=use_as_body)
parser.add_field("Bar")
with pytest.raises(headerparser.BodyNotAllowedError):
parser.parse("Foo: red\nBar: green\n\nThis is the body.\n")
use_as_body.assert_called_once_with(ANY, "Foo", "red")
@pytest.mark.parametrize("body", [False, None])
def test_action_set_body(body: bool, use_as_body: Mock) -> None:
parser = HeaderParser(body=body)
parser.add_field("Foo", action=use_as_body)
parser.add_field("Bar")
msg = parser.parse("Foo: red\nBar: green\n")
assert dict(msg) == {"Bar": "green"}
assert msg.body == "red"
use_as_body.assert_called_once_with(msg, "Foo", "red")
def test_action_set_body_missing(use_as_body: Mock) -> None:
parser = HeaderParser(body=True)
parser.add_field("Foo", action=use_as_body)
parser.add_field("Bar")
with pytest.raises(headerparser.MissingBodyError):
parser.parse("Foo: red\nBar: green\n")
use_as_body.assert_called_once_with(ANY, "Foo", "red")
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