"""
Tests de l'extraction HTML depuis les fichiers .eml (pipeline._eml_to_html).
Stratégie : on construit des .eml synthétiques en mémoire (tmp_path)
sans dépendre d'un vrai mail Picnic.
"""
import pytest
from pathlib import Path
from tickettracker.pipeline import _eml_to_html
# ---------------------------------------------------------------------------
# Helpers pour construire des .eml de test
# ---------------------------------------------------------------------------
def _make_eml(tmp_path: Path, html: str, add_text_part: bool = True) -> Path:
"""Crée un fichier .eml multipart/alternative avec une partie HTML."""
boundary = "BOUNDARY123"
lines = [
"MIME-Version: 1.0",
f'Content-Type: multipart/alternative; boundary="{boundary}"',
"From: picnic@picnic.app",
"Subject: Votre commande Picnic",
"",
f"--{boundary}",
]
if add_text_part:
lines += [
"Content-Type: text/plain; charset=utf-8",
"",
"Version texte de l'email.",
"",
f"--{boundary}",
]
lines += [
"Content-Type: text/html; charset=utf-8",
"",
html,
"",
f"--{boundary}--",
]
p = tmp_path / "ticket.eml"
p.write_text("\n".join(lines), encoding="utf-8")
return p
def _make_eml_no_html(tmp_path: Path) -> Path:
"""Crée un .eml sans partie HTML (texte seul)."""
boundary = "BOUNDARY456"
content = "\n".join([
"MIME-Version: 1.0",
f'Content-Type: multipart/alternative; boundary="{boundary}"',
"",
f"--{boundary}",
"Content-Type: text/plain; charset=utf-8",
"",
"Texte seul, pas de HTML.",
"",
f"--{boundary}--",
])
p = tmp_path / "no_html.eml"
p.write_text(content, encoding="utf-8")
return p
# ---------------------------------------------------------------------------
# Tests
# ---------------------------------------------------------------------------
def test_eml_to_html_retourne_le_contenu_html(tmp_path):
"""_eml_to_html extrait correctement le HTML d'un .eml multipart."""
html = "Commande Picnic
"
eml = _make_eml(tmp_path, html)
result = _eml_to_html(eml)
assert "Commande Picnic" in result
def test_eml_to_html_contient_les_balises(tmp_path):
"""Le HTML retourné contient bien les balises HTML."""
html = "Titre
"
eml = _make_eml(tmp_path, html)
result = _eml_to_html(eml)
assert "" in result or "Titre" in result
def test_eml_to_html_retourne_str(tmp_path):
"""_eml_to_html retourne une chaîne de caractères."""
eml = _make_eml(tmp_path, "test")
result = _eml_to_html(eml)
assert isinstance(result, str)
def test_eml_to_html_sans_partie_texte(tmp_path):
"""Fonctionne aussi sur un .eml avec uniquement une partie HTML."""
html = "
HTML only
"
eml = _make_eml(tmp_path, html, add_text_part=False)
result = _eml_to_html(eml)
assert "HTML only" in result
def test_eml_to_html_leve_valueerror_si_pas_de_html(tmp_path):
"""Lève ValueError si le .eml ne contient aucune partie HTML."""
eml = _make_eml_no_html(tmp_path)
with pytest.raises(ValueError, match="Aucune partie HTML"):
_eml_to_html(eml)