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redmine-reporter/tests/test_mailer.py
Кокос Артем Николаевич 0968560090 style: apply ruff format to all source files
2026-07-10 12:39:24 +07:00

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Python
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import smtplib
from unittest import mock
import pytest
from redmine_reporter.client import RedmineAPIError
from redmine_reporter.config import EmailConfig, SmtpConfig
from redmine_reporter.mailer import build_message, send_report
def _make_email_config(**overrides) -> EmailConfig:
"""Создаёт EmailConfig с минимальными валидными настройками."""
smtp = SmtpConfig(
host=overrides.pop("smtp_host", "smtp.example.com"),
port=overrides.pop("smtp_port", 587),
user=overrides.pop("smtp_user", "bot@example.com"),
password=overrides.pop("smtp_password", "secret"),
tls=overrides.pop("smtp_tls", True),
)
return EmailConfig(
smtp=smtp,
from_=overrides.pop("from_", "bot@example.com"),
to=overrides.pop("to", ["boss@example.com"]),
cc=overrides.pop("cc", []),
bcc=overrides.pop("bcc", []),
subject=overrides.pop("subject", "Отчёт {author} за {period}"),
body_text=overrides.pop("body_text", "Во вложении отчёт."),
attach=overrides.pop("attach", True),
**overrides,
)
class TestBuildMessage:
"""Тесты формирования MIME-письма."""
def test_subject_substitution(self):
"""{author} и {period} подставляются в тему."""
cfg = _make_email_config(subject="Отчёт {author} за {period}", attach=False)
msg = build_message(
cfg, "/tmp/report.xlsx", "Кокос А.Н.", "2026-06-01--2026-06-30"
)
assert msg["Subject"] == "Отчёт Кокос А.Н. за 2026-06-01--2026-06-30"
def test_body_substitution(self):
"""{author} и {period} подставляются в тело."""
cfg = _make_email_config(
body_text="Автор: {author}, период: {period}", attach=False
)
msg = build_message(cfg, "/tmp/report.xlsx", "Иванов", "Q1")
plain_part = msg.get_payload()[0]
assert "Автор: Иванов, период: Q1" in plain_part.as_string()
def test_from_header(self):
cfg = _make_email_config(from_="sender@example.com", attach=False)
msg = build_message(cfg, "/tmp/r.xlsx", "A", "P")
assert msg["From"] == "sender@example.com"
def test_to_header(self):
cfg = _make_email_config(to=["a@x.com", "b@x.com"], attach=False)
msg = build_message(cfg, "/tmp/r.xlsx", "A", "P")
assert msg["To"] == "a@x.com, b@x.com"
def test_cc_header(self):
cfg = _make_email_config(cc=["cc@x.com"], attach=False)
msg = build_message(cfg, "/tmp/r.xlsx", "A", "P")
assert msg["Cc"] == "cc@x.com"
def test_bcc_not_in_headers(self):
"""BCC не должен появляться в заголовках письма."""
cfg = _make_email_config(bcc=["hidden@x.com"], attach=False)
msg = build_message(cfg, "/tmp/r.xlsx", "A", "P")
assert "Bcc" not in msg
def test_attachment_present_when_attach_true(self, tmp_path):
report = tmp_path / "report.xlsx"
report.write_text("fake xlsx content")
cfg = _make_email_config(attach=True)
msg = build_message(cfg, str(report), "A", "P")
assert len(msg.get_payload()) == 2
def test_no_attachment_when_attach_false(self, tmp_path):
report = tmp_path / "report.xlsx"
report.write_text("fake xlsx content")
cfg = _make_email_config(attach=False)
msg = build_message(cfg, str(report), "A", "P")
assert len(msg.get_payload()) == 1
@pytest.mark.parametrize(
"ext,expected_mime",
[
(
".xlsx",
"application/vnd.openxmlformats-officedocument.spreadsheetml.sheet",
),
(".odt", "application/vnd.oasis.opendocument.text"),
(".csv", "text/csv"),
(".html", "text/html"),
(".json", "application/json"),
(".md", "text/markdown"),
],
)
def test_mime_type_by_extension(self, ext, expected_mime, tmp_path):
report = tmp_path / f"report{ext}"
report.write_text("content")
cfg = _make_email_config()
msg = build_message(cfg, str(report), "A", "P")
attachment_part = msg.get_payload()[1]
assert attachment_part.get_content_type() == expected_mime
def test_missing_attachment_file_raises_error(self, tmp_path):
"""Если файл вложения не существует — RedmineAPIError."""
cfg = _make_email_config()
missing = str(tmp_path / "nonexistent.xlsx")
with pytest.raises(RedmineAPIError, match="Не удалось прочитать файл"):
build_message(cfg, missing, "A", "P")
class TestSendReport:
"""Тесты отправки письма."""
def test_send_success(self, tmp_path):
report = tmp_path / "report.xlsx"
report.write_text("fake content")
cfg = _make_email_config()
with mock.patch("smtplib.SMTP") as mock_smtp_class:
mock_smtp = mock.MagicMock()
mock_smtp_class.return_value.__enter__.return_value = mock_smtp
send_report(cfg, str(report), "Кокос А.Н.", "2026-06-01--2026-06-30")
mock_smtp_class.assert_called_once_with("smtp.example.com", 587, timeout=30)
mock_smtp.starttls.assert_called_once()
mock_smtp.login.assert_called_once_with("bot@example.com", "secret")
mock_smtp.send_message.assert_called_once()
def test_send_no_tls(self, tmp_path):
report = tmp_path / "report.xlsx"
report.write_text("fake content")
cfg = _make_email_config(smtp_tls=False)
with mock.patch("smtplib.SMTP") as mock_smtp_class:
mock_smtp = mock.MagicMock()
mock_smtp_class.return_value.__enter__.return_value = mock_smtp
send_report(cfg, str(report), "A", "P")
mock_smtp.starttls.assert_not_called()
def test_send_connection_error(self, tmp_path):
report = tmp_path / "report.xlsx"
report.write_text("fake content")
cfg = _make_email_config()
with mock.patch("smtplib.SMTP", side_effect=OSError("Connection refused")):
with pytest.raises(RedmineAPIError, match="Не удалось подключиться к SMTP"):
send_report(cfg, str(report), "A", "P")
def test_send_auth_error(self, tmp_path):
report = tmp_path / "report.xlsx"
report.write_text("fake content")
cfg = _make_email_config()
with mock.patch("smtplib.SMTP") as mock_smtp_class:
mock_smtp = mock.MagicMock()
mock_smtp_class.return_value.__enter__.return_value = mock_smtp
mock_smtp.login.side_effect = smtplib.SMTPAuthenticationError(
535, b"Bad auth"
)
with pytest.raises(RedmineAPIError, match="Ошибка аутентификации SMTP"):
send_report(cfg, str(report), "A", "P")
def test_send_timeout_error(self, tmp_path):
report = tmp_path / "report.xlsx"
report.write_text("fake content")
cfg = _make_email_config()
with mock.patch("smtplib.SMTP", side_effect=TimeoutError()):
with pytest.raises(RedmineAPIError, match="Таймаут соединения с SMTP"):
send_report(cfg, str(report), "A", "P")
def test_send_generic_smtp_error(self, tmp_path):
report = tmp_path / "report.xlsx"
report.write_text("fake content")
cfg = _make_email_config()
with mock.patch("smtplib.SMTP") as mock_smtp_class:
mock_smtp = mock.MagicMock()
mock_smtp_class.return_value.__enter__.return_value = mock_smtp
mock_smtp.send_message.side_effect = smtplib.SMTPException(
"Something went wrong"
)
with pytest.raises(RedmineAPIError, match="Ошибка отправки письма"):
send_report(cfg, str(report), "A", "P")
def test_send_includes_cc_and_bcc(self, tmp_path):
report = tmp_path / "report.xlsx"
report.write_text("fake content")
cfg = _make_email_config(to=["a@x.com"], cc=["cc@x.com"], bcc=["bcc@x.com"])
with mock.patch("smtplib.SMTP") as mock_smtp_class:
mock_smtp = mock.MagicMock()
mock_smtp_class.return_value.__enter__.return_value = mock_smtp
send_report(cfg, str(report), "A", "P")
call_args = mock_smtp.send_message.call_args
msg = call_args.args[0]
assert msg["To"] == "a@x.com"
assert msg["Cc"] == "cc@x.com"