"""Tests for scripts/_email_plaintext.html_to_text (campaign altbody generation).
Run: python3 -m pytest scripts/test_email_plaintext.py
or: python3 scripts/test_email_plaintext.py
"""
from __future__ import annotations
import os
import sys
sys.path.insert(0, os.path.dirname(os.path.dirname(os.path.abspath(__file__))))
from scripts._email_plaintext import html_to_text # noqa: E402
def test_empty_input():
assert html_to_text("") == ""
assert html_to_text(None) == "" # type: ignore[arg-type]
def test_strips_script_style_head():
html = "tHi"
out = html_to_text(html)
assert "color:red" not in out
assert "t" not in out.splitlines()[0] if out.splitlines() else True
assert out.strip() == "Hi"
def test_links_quoted_double():
assert "Check (https://performancewest.net/m?dot=1)" in html_to_text(
'Check'
)
def test_links_quoted_single():
assert "Check (https://x.io)" in html_to_text("Check")
def test_links_unquoted_with_attrs():
assert "Check (https://x.io)" in html_to_text(
"Check"
)
def test_mailto_surfaces_address():
assert "Email us (info@performancewest.net)" in html_to_text(
'Email us'
)
def test_preserves_listmonk_template_tags():
html = (
"Hello {{ .Subscriber.Attribs.company }}
"
'unsubscribe'
)
out = html_to_text(html)
assert "{{ .Subscriber.Attribs.company }}" in out
assert "{{ UnsubscribeURL }}" in out
def test_lists_become_dashes():
out = html_to_text("")
assert "- One" in out and "- Two" in out
def test_no_tags_leak():
html = ""
out = html_to_text(html)
assert "<" not in out and ">" not in out
def test_entities_unescaped():
assert "Tom & Jerry's" in html_to_text("Tom & Jerry's
")
def test_collapses_blank_lines():
out = html_to_text("A
B
")
assert "\n\n\n" not in out
if __name__ == "__main__":
fns = [v for k, v in sorted(globals().items()) if k.startswith("test_")]
for fn in fns:
fn()
print(f"PASS {fn.__name__}")
print(f"\nAll {len(fns)} tests passed.")