thoughtsync/tests/test_notes.py

from datetime import datetime, timezone

import pytest

from thoughtsync.app import create_app
from thoughtsync.common import coerce_bool, parse_dt
from thoughtsync.models.note import NOTE_COLORS, Note
from thoughtsync.notes import (
    _attachment_ext,
    _escape_like,
    _header_filename,
    _keep_spec,
    _native_spec,
    _safe_filename,
    _slugify,
    _usec_to_dt,
    derive_display_title,
    is_empty_note,
    next_occurrence,
    normalize_color,
    normalize_recurrence,
    parse_link_titles,
    parse_list_items,
    parse_tags,
)


@pytest.fixture
def app():
    return create_app()


def test_all_note_routes_registered(app):
    # Guards the notes package split: every route handler must still be attached to the
    # blueprint. A route whose module isn't imported by notes/__init__ would silently
    # 404 at runtime, and most routes have no auth-guard test to otherwise catch it.
    registered = {r.endpoint for r in app.url_map.iter_rules()}
    expected = {
        f"notes.{name}"
        for name in (
            "list_notes", "search_notes", "list_reminders", "complete_reminder",
            "snooze_reminder", "export_notes", "import_notes", "list_titles",
            "link_search", "note_backlinks", "reorder_notes", "create_note",
            "get_note", "update_note", "list_revisions", "restore_revision",
            "set_note_labels", "add_item", "update_item", "delete_item",
            "reorder_items", "upload_attachment", "get_attachment",
            "delete_attachment", "unfurl_link", "delete_preview", "trash_note",
            "restore_note", "delete_note",
        )
    }
    assert expected <= registered, f"unregistered note routes: {expected - registered}"


def test_is_empty_note():
    assert is_empty_note(None, None)
    assert is_empty_note("", "   ")
    assert not is_empty_note("title", "")
    assert not is_empty_note("", "body")


def test_normalize_color():
    assert normalize_color("blue") == "blue"
    assert normalize_color("chartreuse") == "default"
    assert normalize_color(None) == "default"
    assert normalize_color(123) == "default"


def test_palette_has_core_colors():
    for c in ("default", "red", "orange", "yellow", "green", "teal", "blue", "purple", "pink", "gray"):
        assert c in NOTE_COLORS


def test_serialize_shape():
    n = Note(title="t", body="b", color="blue", pinned=True, archived=False)
    s = n.serialize()
    assert s["title"] == "t"
    assert s["body"] == "b"
    assert s["color"] == "blue"
    assert s["pinned"] is True
    assert s["archived"] is False
    assert s["trashed"] is False


async def test_notes_list_requires_auth(app):
    client = app.test_client()
    resp = await client.get("/api/notes")
    assert resp.status_code == 401


async def test_notes_create_requires_auth(app):
    client = app.test_client()
    resp = await client.post("/api/notes", json={"body": "hi"})
    assert resp.status_code == 401


async def test_search_requires_auth(app):
    client = app.test_client()
    resp = await client.get("/api/notes/search?q=hello")
    assert resp.status_code == 401


async def test_add_item_requires_auth(app):
    client = app.test_client()
    resp = await client.post("/api/notes/00000000-0000-0000-0000-000000000000/items", json={"text": "x"})
    assert resp.status_code == 401


async def test_upload_attachment_requires_auth(app):
    client = app.test_client()
    resp = await client.post("/api/notes/00000000-0000-0000-0000-000000000000/attachments")
    assert resp.status_code == 401


async def test_reorder_requires_auth(app):
    client = app.test_client()
    resp = await client.post("/api/notes/reorder", json={"ids": []})
    assert resp.status_code == 401


def test_parse_link_titles():
    titles = parse_link_titles("see [[Alpha]] and [[ beta ]] and [[Alpha]] again")
    assert titles == ["alpha", "beta"]


def test_parse_link_titles_empty():
    assert parse_link_titles(None) == []
    assert parse_link_titles("no links here") == []


# `rewrite_link_title` and `_rename_inbound_links` are gone (M13 step 1). They kept
# backlinks alive across a rename by editing the [[text]] inside every note that
# linked to the renamed one — which meant one note's edit silently rewrote another's
# words. Links are bound to a note id now, so a rename needs no repair at all.
#
# What replaced them (`_resolve_target`, `_claim_unresolved_links`, and the id-first
# resolution in backlinks / the graph / serialization) is all SQL, and this suite runs
# without a database, so it is deliberately not asserted here. See the task log: that
# behaviour was checked by hand, and this repo has no integration lane to hold it.


def test_parse_link_titles_ignores_nesting():
    # The link regex refuses [ and ] inside a token, so a malformed nest yields the
    # inner name rather than something spanning both — worth pinning, since this is
    # the string that becomes a link's stored target.
    assert parse_link_titles("[[outer [[inner]] ]]") == ["inner"]


def test_derive_display_title_explicit_wins():
    assert derive_display_title("My Title", "some body line") == "My Title"
    assert derive_display_title("  Padded  ", "body") == "Padded"


def test_derive_display_title_from_first_body_line():
    assert derive_display_title(None, "first line\nsecond line") == "first line"
    assert derive_display_title("", "  spaced first  \nnext") == "spaced first"
    # leading blank/whitespace lines are skipped to the first line with content
    assert derive_display_title(None, "\n   \nreal line\nmore") == "real line"
    # a whitespace-only title falls through to the body
    assert derive_display_title("   ", "body wins") == "body wins"


def test_derive_display_title_empty():
    assert derive_display_title(None, None) == ""
    assert derive_display_title("", "") == ""
    assert derive_display_title("   ", "   \n  ") == ""


def test_derive_display_title_caps_length():
    long = "x" * 300
    assert derive_display_title(None, long) == "x" * 200
    assert derive_display_title(long, "body") == "x" * 200


def test_parse_tags():
    assert parse_tags("buy milk #groceries and #to-do now") == ["groceries", "to-do"]
    # case-insensitive dedup, first spelling wins
    assert parse_tags("#Work then #work") == ["Work"]
    # url fragments, mid-word #, purely-numeric, and a bare # are not tags
    assert parse_tags("frag http://x/#nope mid#word #2024 #") == []
    assert parse_tags(None) == []
    assert parse_tags("#a #b #a") == ["a", "b"]


def test_parse_list_items():
    assert parse_list_items(["milk", " eggs ", "", "   ", "bread"]) == ["milk", "eggs", "bread"]
    assert parse_list_items("not a list") == []
    assert parse_list_items(None) == []
    assert parse_list_items([1, "x", None, {"a": 1}]) == ["x"]


def test_escape_like():
    # LIKE wildcards in user input must be neutralized so they match literally.
    assert _escape_like("100%") == "100\\%"
    assert _escape_like("a_b") == "a\\_b"
    assert _escape_like("c:\\path") == "c:\\\\path"
    assert _escape_like("plain") == "plain"


def test_parse_dt():
    # A full ISO instant round-trips (used to validate the Timeline date range).
    d = parse_dt("2026-07-19T12:30:00+00:00")
    assert (d.year, d.month, d.day, d.hour, d.minute) == (2026, 7, 19, 12, 30)
    assert d.tzinfo is not None
    # a trailing Z is accepted as UTC
    assert parse_dt("2026-07-19T00:00:00Z").tzinfo is not None
    # a plain calendar date parses to midnight
    assert parse_dt("2026-07-19").hour == 0
    # garbage / non-strings return None (the endpoint turns this into a 400)
    assert parse_dt("not-a-date") is None
    assert parse_dt("") is None
    assert parse_dt(None) is None


async def test_titles_requires_auth(app):
    client = app.test_client()
    resp = await client.get("/api/notes/titles")
    assert resp.status_code == 401


async def test_link_search_requires_auth(app):
    client = app.test_client()
    resp = await client.get("/api/notes/link-search?q=hi")
    assert resp.status_code == 401


async def test_graph_requires_auth(app):
    client = app.test_client()
    resp = await client.get("/api/graph")
    assert resp.status_code == 401


async def test_reminders_requires_auth(app):
    client = app.test_client()
    resp = await client.get("/api/notes/reminders")
    assert resp.status_code == 401


def test_slugify():
    assert _slugify("My Great Note!") == "my-great-note"
    assert _slugify("  spaced / weird __name  ") == "spaced-weird-name"
    assert _slugify("") == "note"  # empty falls back
    assert _slugify("!!!") == "note"  # all punctuation strips to empty → fallback
    assert len(_slugify("x" * 100)) == 60


async def test_export_requires_auth(app):
    client = app.test_client()
    resp = await client.get("/api/notes/export")
    assert resp.status_code == 401


async def test_list_revisions_requires_auth(app):
    client = app.test_client()
    resp = await client.get("/api/notes/00000000-0000-0000-0000-000000000000/revisions")
    assert resp.status_code == 401


async def test_restore_revision_requires_auth(app):
    client = app.test_client()
    resp = await client.post(
        "/api/notes/00000000-0000-0000-0000-000000000000/revisions/00000000-0000-0000-0000-000000000001/restore"
    )
    assert resp.status_code == 401


async def test_import_requires_auth(app):
    client = app.test_client()
    resp = await client.post("/api/notes/import")
    assert resp.status_code == 401


def test_safe_filename():
    assert _safe_filename("report.pdf") == "report.pdf"
    assert _safe_filename("/etc/passwd") == "passwd"  # path components stripped
    assert _safe_filename("a\\b\\c.doc") == "c.doc"  # windows separators too
    assert _safe_filename("") == "file"  # fallback
    assert _safe_filename(None) == "file"


def test_attachment_ext():
    assert _attachment_ext("report.pdf", "application/pdf") == ".pdf"
    assert _attachment_ext("memo.m4a", "audio/mp4") == ".m4a"
    # no extension in the name → fall back to a known image mime, else empty
    assert _attachment_ext("noext", "image/png") == ".png"
    assert _attachment_ext("noext", "application/octet-stream") == ""


def test_header_filename():
    # Quotes/newlines are stripped so the Content-Disposition header can't be broken.
    assert _header_filename('a"b\r\n.pdf') == "ab.pdf"
    assert _header_filename("") == "file"


def test_coerce_bool():
    assert coerce_bool("true") and coerce_bool("1") and coerce_bool("yes") and coerce_bool("on")
    assert coerce_bool(True)
    assert not coerce_bool("false")
    assert not coerce_bool(None)
    assert not coerce_bool("")
    assert not coerce_bool(False)


def test_normalize_recurrence():
    for v in ("daily", "weekly", "monthly", "yearly"):
        assert normalize_recurrence(v) == v
    assert normalize_recurrence("none") is None
    assert normalize_recurrence("") is None
    assert normalize_recurrence(None) is None
    assert normalize_recurrence("hourly") is None


def test_next_occurrence_daily_weekly():
    base = datetime(2026, 7, 1, 9, 0, tzinfo=timezone.utc)
    after = datetime(2026, 7, 1, 12, 0, tzinfo=timezone.utc)  # same day, later
    assert next_occurrence(base, "daily", after) == datetime(2026, 7, 2, 9, 0, tzinfo=timezone.utc)
    assert next_occurrence(base, "weekly", after) == datetime(2026, 7, 8, 9, 0, tzinfo=timezone.utc)


def test_next_occurrence_skips_missed():
    base = datetime(2026, 7, 1, 9, 0, tzinfo=timezone.utc)
    after = datetime(2026, 7, 10, 12, 0, tzinfo=timezone.utc)  # 9+ days later
    # Rolls forward past every missed day to the first fire strictly after `after`.
    assert next_occurrence(base, "daily", after) == datetime(2026, 7, 11, 9, 0, tzinfo=timezone.utc)


def test_next_occurrence_monthly_clamps_month_end():
    base = datetime(2026, 1, 31, 8, 0, tzinfo=timezone.utc)
    after = datetime(2026, 2, 1, 0, 0, tzinfo=timezone.utc)
    # Jan 31 + 1 month → Feb 28 (clamped to the shorter month).
    assert next_occurrence(base, "monthly", after) == datetime(2026, 2, 28, 8, 0, tzinfo=timezone.utc)


def test_next_occurrence_yearly_and_none():
    base = datetime(2026, 3, 15, 7, 0, tzinfo=timezone.utc)
    after = datetime(2026, 3, 16, tzinfo=timezone.utc)
    assert next_occurrence(base, "yearly", after) == datetime(2027, 3, 15, 7, 0, tzinfo=timezone.utc)
    assert next_occurrence(base, "none", after) is None


async def test_complete_reminder_requires_auth(app):
    client = app.test_client()
    resp = await client.post("/api/notes/00000000-0000-0000-0000-000000000000/reminder/complete")
    assert resp.status_code == 401


async def test_snooze_reminder_requires_auth(app):
    client = app.test_client()
    resp = await client.post(
        "/api/notes/00000000-0000-0000-0000-000000000000/reminder/snooze", json={"minutes": 10}
    )
    assert resp.status_code == 401


def test_usec_to_dt():
    # Google Keep timestamps are microseconds since the epoch (UTC).
    d = _usec_to_dt(1600000000000000)
    assert d is not None and d.year == 2020 and d.tzinfo is not None
    # garbage / missing → None (the note still imports, just without the timestamp)
    assert _usec_to_dt("nope") is None
    assert _usec_to_dt(None) is None


def test_keep_spec_list_note():
    kn = {
        "title": "Groceries",
        "listContent": [{"text": "Milk", "isChecked": False}, {"text": "Eggs", "isChecked": True}],
        "labels": [{"name": "shopping"}],
        "color": "TEAL",
        "isPinned": True,
        "isArchived": False,
        "isTrashed": False,
        "createdTimestampUsec": 1600000000000000,
        "userEditedTimestampUsec": 1600000100000000,
    }
    spec = _keep_spec(kn, "Takeout/Keep")
    assert spec["kind"] == "list"
    assert spec["color"] == "teal"
    assert spec["pinned"] is True
    assert spec["archived"] is False
    assert spec["trashed"] is False
    assert spec["items"] == [{"text": "Milk", "checked": False}, {"text": "Eggs", "checked": True}]
    assert spec["labels"] == ["shopping"]
    assert spec["created_at"].year == 2020


def test_keep_spec_text_note_folds_annotation_urls_and_maps_color():
    kn = {
        "textContent": "Read this later",
        "annotations": [{"url": "https://example.com"}],
        "color": "BROWN",  # no brown in our palette → nearest (orange)
        "attachments": [{"filePath": "img.jpg", "mimetype": "image/jpeg"}],
    }
    spec = _keep_spec(kn, "Takeout/Keep")
    assert spec["kind"] == "text"
    assert "https://example.com" in spec["body"]
    assert spec["color"] == "orange"
    # attachment path is resolved relative to the note JSON's folder
    assert spec["attachments"] == [{"file": "Takeout/Keep/img.jpg", "mime": "image/jpeg"}]


def test_native_spec_roundtrip_fields():
    n = {
        "title": "T",
        "body": "b",
        "color": "blue",
        "kind": "text",
        "pinned": True,
        "archived": False,
        "created_at": "2026-07-19T00:00:00+00:00",
        "labels": ["x"],
        "items": [],
        "attachments": [{"file": "attachments/ab/img.png", "mime": "image/png"}],
    }
    spec = _native_spec(n)
    assert spec["title"] == "T"
    assert spec["body"] == "b"
    assert spec["color"] == "blue"
    assert spec["pinned"] is True
    assert spec["trashed"] is False  # exports only carry live notes
    assert spec["created_at"].year == 2026
    assert spec["labels"] == ["x"]
    assert spec["attachments"] == [{"file": "attachments/ab/img.png", "mime": "image/png"}]