Expanded integration coverage and enforced test categories.

tests/integration/discord/__init__.py

@@ -0,0 +1,15 @@
+# Copyright 2026 Logan Fick
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+"""Discord-boundary integration tests."""

tests/integration/discord/conftest.py

@@ -0,0 +1,129 @@
+# Copyright 2026 Logan Fick
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+"""Fixtures used only by Simcord-backed Discord integration tests."""
+
+from collections.abc import Awaitable, Callable
+from dataclasses import dataclass
+from typing import TYPE_CHECKING
+
+import pytest
+
+from crabstero.bot import Crabstero
+from crabstero.database import Database
+
+if TYPE_CHECKING:
+    from collections.abc import AsyncGenerator
+    from pathlib import Path
+
+    from simcord import ChannelHandle, Env, GuildHandle, MemberActor
+
+type StartWordsForChannel = Callable[[Database, int], Awaitable[list[str]]]
+type MakeSimcordTextChannel = Callable[["Env"], Awaitable["SimcordTextChannel"]]
+type MakeSimcordMemberChannel = Callable[["Env"], Awaitable["SimcordMemberChannel"]]
+
+
+@dataclass(frozen=True, slots=True)
+class SimcordTextChannel:
+    """Guild and text channel created inside a running Simcord environment."""
+
+    guild: GuildHandle
+    channel: ChannelHandle
+
+
+@dataclass(frozen=True, slots=True)
+class SimcordMemberChannel:
+    """Guild, text channel, and human member for Discord flow tests."""
+
+    guild: GuildHandle
+    member: MemberActor
+    channel: ChannelHandle
+
+
+@pytest.fixture
+async def crabstero_bot(tmp_path: Path) -> AsyncGenerator[Crabstero]:
+    """Yield the Crabstero bot instance inspected by Discord integration tests."""
+    bot = Crabstero(str(tmp_path / "crabstero.db"))
+    try:
+        yield bot
+    finally:
+        bot.ws = None  # type: ignore[assignment]
+        await bot.close()
+
+
+@pytest.fixture
+def simcord_bot(crabstero_bot: Crabstero) -> Crabstero:
+    """Expose Crabstero under the fixture name required by Simcord."""
+    return crabstero_bot
+
+
+@pytest.fixture
+def make_simcord_text_channel() -> MakeSimcordTextChannel:
+    """Return a factory for guild text channels in any Simcord environment."""
+
+    async def make(env: Env) -> SimcordTextChannel:
+        guild = env.create_guild()
+        await env.settle()
+        channel = guild.create_text_channel("general")
+        await env.settle()
+        return SimcordTextChannel(guild, channel)
+
+    return make
+
+
+@pytest.fixture
+async def simcord_text_channel(
+    simcord_env: Env,
+    make_simcord_text_channel: MakeSimcordTextChannel,
+) -> SimcordTextChannel:
+    """Create one guild text channel in the default Simcord environment."""
+    return await make_simcord_text_channel(simcord_env)
+
+
+@pytest.fixture
+def make_simcord_member_channel() -> MakeSimcordMemberChannel:
+    """Return a factory for guild/member/channel triples in any Simcord env."""
+
+    async def make(env: Env) -> SimcordMemberChannel:
+        guild = env.create_guild()
+        await env.settle()
+        channel = guild.create_text_channel("general")
+        member = guild.add_member(env.create_user("Ada"))
+        await env.settle()
+        return SimcordMemberChannel(guild, member, channel)
+
+    return make
+
+
+@pytest.fixture
+async def simcord_member_channel(
+    simcord_env: Env,
+    make_simcord_member_channel: MakeSimcordMemberChannel,
+) -> SimcordMemberChannel:
+    """Create one guild text channel and human member in the default Simcord env."""
+    return await make_simcord_member_channel(simcord_env)
+
+
+@pytest.fixture
+def start_words_for_channel() -> StartWordsForChannel:
+    """Return a reader for persisted Markov start words in one Discord channel."""
+
+    async def read(db: Database, channel_id: int) -> list[str]:
+        async with db._connection.execute(
+            "SELECT word FROM markov_start_words WHERE channel_id = ? ORDER BY word",
+            (channel_id,),
+        ) as cursor:
+            return [str(row[0]) for row in await cursor.fetchall()]
+
+    return read

tests/integration/discord/test_bot_lifecycle.py

@@ -0,0 +1,251 @@
+# Copyright 2026 Logan Fick
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+"""Simcord integration tests for Crabstero bot lifecycle behavior."""
+
+from typing import TYPE_CHECKING, Any, cast
+
+import discord
+import pytest
+from discord import app_commands
+from simcord import run
+
+from crabstero import metrics
+from crabstero.bot import Crabstero, TrackedModal, TrackedView
+
+if TYPE_CHECKING:
+    from pathlib import Path
+
+    from simcord import Env
+
+    from tests.integration.discord.conftest import (
+        MakeSimcordMemberChannel,
+        SimcordMemberChannel,
+    )
+
+
+def _counter_value(counter: Any, **labels: str) -> float:
+    """Return the current value for a labelled Prometheus counter."""
+    return float(counter.labels(**labels)._value.get())
+
+
+class TestSetupHook:
+    """Bot startup wires Discord cogs and slash commands under Simcord."""
+
+    def test_db_before_setup_raises(self, tmp_path: Path) -> None:
+        """The database property is unavailable before setup_hook runs."""
+        bot = Crabstero(str(tmp_path / "not-started.db"))
+
+        with pytest.raises(RuntimeError, match="Database is not initialized"):
+            _ = bot.db
+
+    async def test_loads_cogs_and_syncs_commands(
+        self,
+        simcord_env: Env,
+        crabstero_bot: Crabstero,
+    ) -> None:
+        """setup_hook loads expected cogs and syncs app commands."""
+        assert set(crabstero_bot.cogs) == {
+            "InteractionCog",
+            "MessageCog",
+            "ServerEventsCog",
+        }
+
+        commands = simcord_env.backend.commands[None]
+        assert {name for name, _ in commands} == {"forgetme", "pingme"}
+
+        application_id = simcord_env.backend.application_id
+        http_routes = [f"{method} {path}" for method, path, _ in simcord_env.http_log]
+        assert f"GET /applications/{application_id}/commands" in http_routes
+        assert f"PUT /applications/{application_id}/commands" in http_routes
+
+    async def test_metrics_server_lifecycle_starts_and_stops(
+        self,
+        tmp_path: Path,
+    ) -> None:
+        """A configured metrics server is started and stopped with the bot."""
+        bot = Crabstero(
+            str(tmp_path / "metrics.db"),
+            metrics_address=metrics.TcpMetricsAddress("127.0.0.1", 0),
+        )
+        try:
+            async with run(bot):
+                assert bot._metrics_server is not None
+                assert bot._metrics_server.port > 0
+        finally:
+            bot.ws = None  # type: ignore[assignment]
+            await bot.close()
+
+
+class TestMetrics:
+    """Bot-level metrics are incremented by lifecycle error paths."""
+
+    def test_dispatch_increments_discord_event_metric(
+        self,
+        crabstero_bot: Crabstero,
+    ) -> None:
+        """Dispatch increments the labelled Discord event counter."""
+        event = "codex_lifecycle_metric"
+        before = _counter_value(metrics.DISCORD_EVENTS, event=event)
+
+        crabstero_bot.dispatch(event)
+
+        assert _counter_value(metrics.DISCORD_EVENTS, event=event) == before + 1
+
+    async def test_on_error_increments_event_error_metric(
+        self,
+        crabstero_bot: Crabstero,
+    ) -> None:
+        """Unhandled event listener failures are counted by event name."""
+        source = "on_message"
+        before = _counter_value(metrics.ERRORS, source=source)
+
+        await crabstero_bot.on_error(source)
+
+        assert _counter_value(metrics.ERRORS, source=source) == before + 1
+
+    async def test_tracked_view_and_modal_errors_increment_metrics(self) -> None:
+        """Tracked UI error handlers increment their error counters."""
+        view_before = _counter_value(metrics.ERRORS, source="view")
+        modal_before = _counter_value(metrics.ERRORS, source="modal")
+        interaction = cast("discord.Interaction", object())
+        button = cast("discord.ui.Item[TrackedView]", discord.ui.Button(label="Run"))
+
+        await TrackedView().on_error(interaction, RuntimeError("view failed"), button)
+        await TrackedModal(title="Tracked").on_error(
+            interaction,
+            RuntimeError("modal failed"),
+        )
+
+        assert _counter_value(metrics.ERRORS, source="view") == view_before + 1
+        assert _counter_value(metrics.ERRORS, source="modal") == modal_before + 1
+
+
+class TestCommandErrors:
+    """Unhandled app command errors produce an ephemeral fallback response."""
+
+    async def test_app_command_error_sends_ephemeral_fallback(
+        self,
+        simcord_member_channel: SimcordMemberChannel,
+        crabstero_bot: Crabstero,
+        monkeypatch: pytest.MonkeyPatch,
+    ) -> None:
+        """A failing slash command is captured and answered by tree.on_error."""
+        member = simcord_member_channel.member
+        channel = simcord_member_channel.channel
+
+        async def raise_on_set_flag(
+            _entity_type: str,
+            _entity_id: str,
+            _flag_name: str,
+        ) -> None:
+            raise RuntimeError("database unavailable")
+
+        monkeypatch.setattr(crabstero_bot.db, "set_flag", raise_on_set_flag)
+        errors_before = _counter_value(metrics.ERRORS, source="command")
+
+        result = await member.slash(channel, "pingme")
+
+        assert result.response is not None
+        assert result.response.ephemeral is True
+        assert result.response.content == (
+            "I encountered an error while processing this command."
+            " Please try again later."
+        )
+        assert _counter_value(metrics.ERRORS, source="command") == errors_before + 1
+
+    async def test_app_command_error_mentions_developer_when_metrics_are_enabled(
+        self,
+        tmp_path: Path,
+        monkeypatch: pytest.MonkeyPatch,
+        make_simcord_member_channel: MakeSimcordMemberChannel,
+    ) -> None:
+        """Configured metrics switch command errors to the notified-developer copy."""
+        bot = Crabstero(
+            str(tmp_path / "metrics-command-errors.db"),
+            metrics_address=metrics.TcpMetricsAddress("127.0.0.1", 0),
+        )
+        try:
+            async with run(bot) as env:
+                context = await make_simcord_member_channel(env)
+                member = context.member
+                channel = context.channel
+
+                async def raise_on_set_flag(
+                    _entity_type: str,
+                    _entity_id: str,
+                    _flag_name: str,
+                ) -> None:
+                    raise RuntimeError("database unavailable")
+
+                monkeypatch.setattr(bot.db, "set_flag", raise_on_set_flag)
+                errors_before = _counter_value(metrics.ERRORS, source="command")
+
+                result = await member.slash(channel, "pingme")
+
+                assert result.response is not None
+                assert result.response.ephemeral is True
+                assert result.response.content == (
+                    "I encountered an error while processing this command."
+                    " The developer has been notified,"
+                    " please try again later."
+                )
+                assert (
+                    _counter_value(metrics.ERRORS, source="command")
+                    == errors_before + 1
+                )
+        finally:
+            bot.ws = None  # type: ignore[assignment]
+            await bot.close()
+
+    async def test_app_command_error_after_defer_sends_ephemeral_followup(
+        self,
+        tmp_path: Path,
+        make_simcord_member_channel: MakeSimcordMemberChannel,
+    ) -> None:
+        """A command that has already acknowledged uses a followup fallback."""
+        bot = Crabstero(str(tmp_path / "deferred-command-errors.db"))
+
+        @app_commands.command(
+            name="deferboom",
+            description="Fail after acknowledging the interaction.",
+        )
+        async def deferboom(interaction: discord.Interaction) -> None:
+            await interaction.response.defer(ephemeral=True)
+            raise RuntimeError("deferred command failed")
+
+        bot.tree.add_command(deferboom)
+        try:
+            async with run(bot) as env:
+                context = await make_simcord_member_channel(env)
+                errors_before = _counter_value(metrics.ERRORS, source="command")
+
+                result = await context.member.slash(context.channel, "deferboom")
+
+                assert result.deferred is True
+                assert result.response is None
+                assert len(result.followups) == 1
+                followup = result.followups[0]
+                assert followup.ephemeral is True
+                assert followup.content == (
+                    "I encountered an error while processing this command."
+                    " Please try again later."
+                )
+                assert (
+                    _counter_value(metrics.ERRORS, source="command")
+                    == errors_before + 1
+                )
+        finally:
+            bot.ws = None  # type: ignore[assignment]
+            await bot.close()

tests/integration/discord/test_interactions.py

@@ -0,0 +1,276 @@
+# Copyright 2026 Logan Fick
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+"""Simcord integration tests for Crabstero slash commands."""
+
+from collections.abc import Awaitable, Callable
+from typing import TYPE_CHECKING
+
+import pytest
+
+from crabstero.database import ChannelImage, StartWord, Transition
+from crabstero.flags import Flag
+
+if TYPE_CHECKING:
+    from simcord import Env
+
+    from crabstero.bot import Crabstero
+    from crabstero.database import Database
+    from tests.integration.discord.conftest import SimcordMemberChannel
+
+type SeedForgetmeData = Callable[["Database", int], Awaitable[None]]
+type ForgetmeRowsForUser = Callable[["Database", int], Awaitable[tuple[int, int, int]]]
+
+
+@pytest.fixture
+def seed_forgetme_data() -> SeedForgetmeData:
+    """Return a seeder for user-owned and unrelated /forgetme database rows."""
+
+    async def seed(db: Database, user_id: int) -> None:
+        await db.add_markov_data(
+            [
+                StartWord(10, user_id, "delete"),
+                StartWord(10, 999, "keep"),
+            ],
+            [
+                Transition(10, user_id, "delete", "me."),
+                Transition(10, 999, "keep", "me."),
+            ],
+        )
+        await db.add_images(
+            [
+                ChannelImage(10, user_id, "https://example.com/delete.png"),
+                ChannelImage(10, 999, "https://example.com/keep.png"),
+            ],
+        )
+
+    return seed
+
+
+@pytest.fixture
+def forgetme_rows_for_user() -> ForgetmeRowsForUser:
+    """Return a reader for Markov/image row counts owned by one user."""
+
+    async def read(db: Database, user_id: int) -> tuple[int, int, int]:
+        async with db._connection.execute(
+            "SELECT COUNT(*) FROM markov_start_words WHERE user_id = ?",
+            (user_id,),
+        ) as cursor:
+            row = await cursor.fetchone()
+            assert row is not None
+            start_words = row[0]
+        async with db._connection.execute(
+            "SELECT COUNT(*) FROM markov_transitions WHERE user_id = ?",
+            (user_id,),
+        ) as cursor:
+            row = await cursor.fetchone()
+            assert row is not None
+            transitions = row[0]
+        async with db._connection.execute(
+            "SELECT COUNT(*) FROM channel_images WHERE user_id = ?",
+            (user_id,),
+        ) as cursor:
+            row = await cursor.fetchone()
+            assert row is not None
+            images = row[0]
+        return int(start_words), int(transitions), int(images)
+
+    return read
+
+
+class TestPingMe:
+    """The /pingme command toggles persisted user opt-in state."""
+
+    async def test_first_call_opts_in(
+        self,
+        simcord_member_channel: SimcordMemberChannel,
+        crabstero_bot: Crabstero,
+    ) -> None:
+        """The first /pingme call sets allowPings and responds ephemerally."""
+        member = simcord_member_channel.member
+        channel = simcord_member_channel.channel
+
+        result = await member.slash(channel, "pingme")
+
+        assert result.response is not None
+        assert result.response.ephemeral is True
+        assert "I will now ping you" in result.response.content
+        assert await crabstero_bot.db.is_flag_set(
+            "user",
+            str(member.id),
+            Flag.ALLOW_PINGS,
+        )
+
+    async def test_second_call_opts_out(
+        self,
+        simcord_member_channel: SimcordMemberChannel,
+        crabstero_bot: Crabstero,
+    ) -> None:
+        """The second /pingme call clears allowPings and responds ephemerally."""
+        member = simcord_member_channel.member
+        channel = simcord_member_channel.channel
+        await member.slash(channel, "pingme")
+
+        result = await member.slash(channel, "pingme")
+
+        assert result.response is not None
+        assert result.response.ephemeral is True
+        assert "I will no longer ping you" in result.response.content
+        assert not await crabstero_bot.db.is_flag_set(
+            "user",
+            str(member.id),
+            Flag.ALLOW_PINGS,
+        )
+
+
+class TestForgetMe:
+    """The /forgetme command confirms, cancels, and times out hermetically."""
+
+    async def test_initial_response_has_confirmation_buttons(
+        self,
+        simcord_member_channel: SimcordMemberChannel,
+    ) -> None:
+        """The first /forgetme response is ephemeral and asks for confirmation."""
+        member = simcord_member_channel.member
+        channel = simcord_member_channel.channel
+
+        result = await member.slash(channel, "forgetme")
+
+        assert result.response is not None
+        assert result.response.ephemeral is True
+        assert "Would you like to proceed?" in result.response.content
+        labels = [
+            component["label"]
+            for row in result.response.components
+            for component in row["components"]
+        ]
+        assert labels == ["Confirm", "Cancel"]
+
+    async def test_confirm_deletes_user_data_and_sets_no_ingest(
+        self,
+        simcord_member_channel: SimcordMemberChannel,
+        crabstero_bot: Crabstero,
+        seed_forgetme_data: SeedForgetmeData,
+        forgetme_rows_for_user: ForgetmeRowsForUser,
+    ) -> None:
+        """Confirming /forgetme deletes user data and persists noIngest."""
+        member = simcord_member_channel.member
+        channel = simcord_member_channel.channel
+        await seed_forgetme_data(crabstero_bot.db, member.id)
+        await crabstero_bot.db.set_flag("user", str(member.id), Flag.ALLOW_PINGS)
+        await crabstero_bot.db.set_flag("user", str(member.id), Flag.NO_REPLY)
+        prompt = (await member.slash(channel, "forgetme")).response
+        assert prompt is not None
+
+        result = await member.click(prompt, label="Confirm")
+
+        assert result.response is not None
+        assert result.response.ephemeral is True
+        assert "I have deleted your data" in result.response.content
+        assert result.response.components == []
+        assert await forgetme_rows_for_user(crabstero_bot.db, member.id) == (0, 0, 0)
+        assert await forgetme_rows_for_user(crabstero_bot.db, 999) == (1, 1, 1)
+        assert await crabstero_bot.db.is_flag_set(
+            "user",
+            str(member.id),
+            Flag.NO_INGEST,
+        )
+        assert not await crabstero_bot.db.is_flag_set(
+            "user",
+            str(member.id),
+            Flag.ALLOW_PINGS,
+        )
+        assert not await crabstero_bot.db.is_flag_set(
+            "user",
+            str(member.id),
+            Flag.NO_REPLY,
+        )
+
+    async def test_cancel_leaves_user_data_and_flags(
+        self,
+        simcord_member_channel: SimcordMemberChannel,
+        crabstero_bot: Crabstero,
+        seed_forgetme_data: SeedForgetmeData,
+        forgetme_rows_for_user: ForgetmeRowsForUser,
+    ) -> None:
+        """Cancelling /forgetme leaves data and user flags unchanged."""
+        member = simcord_member_channel.member
+        channel = simcord_member_channel.channel
+        await seed_forgetme_data(crabstero_bot.db, member.id)
+        await crabstero_bot.db.set_flag("user", str(member.id), Flag.ALLOW_PINGS)
+        await crabstero_bot.db.set_flag("user", str(member.id), Flag.NO_REPLY)
+        prompt = (await member.slash(channel, "forgetme")).response
+        assert prompt is not None
+
+        result = await member.click(prompt, label="Cancel")
+
+        assert result.response is not None
+        assert result.response.ephemeral is True
+        assert result.response.content == (
+            "Action cancelled. I have not modified your data."
+        )
+        assert result.response.components == []
+        assert await forgetme_rows_for_user(crabstero_bot.db, member.id) == (1, 1, 1)
+        assert await crabstero_bot.db.is_flag_set(
+            "user",
+            str(member.id),
+            Flag.ALLOW_PINGS,
+        )
+        assert await crabstero_bot.db.is_flag_set(
+            "user",
+            str(member.id),
+            Flag.NO_REPLY,
+        )
+        assert not await crabstero_bot.db.is_flag_set(
+            "user",
+            str(member.id),
+            Flag.NO_INGEST,
+        )
+
+    async def test_already_forgotten_user_gets_terminal_response(
+        self,
+        simcord_member_channel: SimcordMemberChannel,
+        crabstero_bot: Crabstero,
+    ) -> None:
+        """A noIngest user does not get another confirmation view."""
+        member = simcord_member_channel.member
+        channel = simcord_member_channel.channel
+        await crabstero_bot.db.set_flag("user", str(member.id), Flag.NO_INGEST)
+
+        result = await member.slash(channel, "forgetme")
+
+        assert result.response is not None
+        assert result.response.ephemeral is True
+        assert result.response.content == (
+            "I have already removed your data and I am not using your messages."
+        )
+        assert result.response.components == []
+
+    async def test_confirmation_timeout_removes_view(
+        self,
+        simcord_env: Env,
+        simcord_member_channel: SimcordMemberChannel,
+    ) -> None:
+        """The /forgetme view timeout edits the original response without sleeping."""
+        member = simcord_member_channel.member
+        channel = simcord_member_channel.channel
+        prompt = (await member.slash(channel, "forgetme")).response
+        assert prompt is not None
+
+        await simcord_env.advance_time(181)
+
+        assert prompt.content == (
+            "This timed out. Run `/forgetme` again if you still want to."
+        )
+        assert prompt.components == []

tests/integration/discord/test_messages.py

@@ -0,0 +1,470 @@
+# Copyright 2026 Logan Fick
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+"""Simcord integration tests for Discord message events."""
+
+from collections.abc import Awaitable, Callable
+from typing import TYPE_CHECKING
+
+import discord
+import pytest
+from simcord import run
+
+from crabstero.bot import Crabstero
+from crabstero.database import ChannelImage, StartWord, Transition
+from crabstero.flags import EntityType, Flag
+from crabstero.messages import ingest_message, reply_to_message
+
+if TYPE_CHECKING:
+    from pathlib import Path
+
+    from simcord import Env
+
+    from crabstero.database import Database
+    from tests.integration.discord.conftest import (
+        MakeSimcordMemberChannel,
+        SimcordMemberChannel,
+        StartWordsForChannel,
+    )
+
+type SeedReply = Callable[["Database", int], Awaitable[None]]
+
+
+@pytest.fixture
+def seed_reply() -> SeedReply:
+    """Return a seeder for deterministic generated replies in one channel."""
+
+    async def seed(db: Database, channel_id: int) -> None:
+        await db.add_markov_data(
+            [StartWord(channel_id, 123, "Generated")],
+            [Transition(channel_id, 123, "Generated", "reply.")],
+        )
+
+    return seed
+
+
+class TestMessageIngestion:
+    """Normal Discord message flow populates the real database."""
+
+    async def test_normal_guild_user_message_is_ingested(
+        self,
+        simcord_member_channel: SimcordMemberChannel,
+        crabstero_bot: Crabstero,
+        start_words_for_channel: StartWordsForChannel,
+    ) -> None:
+        """A default guild text message adds Markov data."""
+        member = simcord_member_channel.member
+        channel = simcord_member_channel.channel
+
+        await member.send(channel, "Alpha beta.")
+
+        assert await start_words_for_channel(crabstero_bot.db, channel.id) == ["Alpha"]
+        assert (
+            await crabstero_bot.db.get_random_next_word(channel.id, "Alpha") == "beta."
+        )
+
+    async def test_bot_messages_are_ignored(
+        self,
+        simcord_env: Env,
+        simcord_member_channel: SimcordMemberChannel,
+        crabstero_bot: Crabstero,
+        start_words_for_channel: StartWordsForChannel,
+    ) -> None:
+        """A bot-authored gateway message is not ingested."""
+        channel = simcord_member_channel.channel
+
+        simcord_env.backend.create_message(
+            channel.id,
+            simcord_env.backend.bot_user.id,
+            "Ignore bot.",
+        )
+        await simcord_env.settle()
+
+        assert await start_words_for_channel(crabstero_bot.db, channel.id) == []
+
+    async def test_dm_messages_are_ignored(
+        self,
+        simcord_env: Env,
+        crabstero_bot: Crabstero,
+        start_words_for_channel: StartWordsForChannel,
+    ) -> None:
+        """DM messages are outside the guild channel types Crabstero handles."""
+        user = simcord_env.create_user("Ada")
+
+        await user.send_dm("Direct message.")
+
+        assert (
+            await start_words_for_channel(
+                crabstero_bot.db,
+                user.dm_channel.id,
+            )
+            == []
+        )
+
+    async def test_thread_messages_do_not_create_separate_chain(
+        self,
+        simcord_env: Env,
+        simcord_member_channel: SimcordMemberChannel,
+        crabstero_bot: Crabstero,
+        start_words_for_channel: StartWordsForChannel,
+    ) -> None:
+        """Messages inside threads are not ingested under the thread channel id."""
+        member = simcord_member_channel.member
+        channel = simcord_member_channel.channel
+        simcord_env.backend.create_thread(channel.id, "thread", member.id)
+        await simcord_env.settle()
+        thread = channel.threads[0]
+
+        await member.send(thread, "Thread only.")
+
+        assert await start_words_for_channel(crabstero_bot.db, thread.id) == []
+        assert await start_words_for_channel(crabstero_bot.db, channel.id) == []
+
+    async def test_embed_message_text_and_image_are_ingested(
+        self,
+        simcord_env: Env,
+        simcord_member_channel: SimcordMemberChannel,
+        crabstero_bot: Crabstero,
+        start_words_for_channel: StartWordsForChannel,
+    ) -> None:
+        """Embed titles, descriptions, and image URLs are ingested."""
+        member = simcord_member_channel.member
+        channel = simcord_member_channel.channel
+
+        simcord_env.backend.create_message(
+            channel.id,
+            member.id,
+            embeds=[
+                {
+                    "title": "Title words.",
+                    "description": "Description words.",
+                    "image": {"url": "https://example.com/embed.png"},
+                },
+            ],
+        )
+        await simcord_env.settle()
+
+        assert await start_words_for_channel(crabstero_bot.db, channel.id) == [
+            "Description",
+            "Title",
+        ]
+        assert (
+            await crabstero_bot.db.get_random_image(channel.id)
+            == "https://example.com/embed.png"
+        )
+
+    async def test_empty_messages_are_not_ingested(
+        self,
+        simcord_member_channel: SimcordMemberChannel,
+        crabstero_bot: Crabstero,
+        start_words_for_channel: StartWordsForChannel,
+    ) -> None:
+        """A message with no content or embeds is ignored."""
+        member = simcord_member_channel.member
+        channel = simcord_member_channel.channel
+
+        await member.send(channel)
+
+        assert await start_words_for_channel(crabstero_bot.db, channel.id) == []
+
+    async def test_ingest_only_mode_ingests_without_replying(
+        self,
+        tmp_path: Path,
+        make_simcord_member_channel: MakeSimcordMemberChannel,
+        start_words_for_channel: StartWordsForChannel,
+    ) -> None:
+        """An ingest-only bot still ingests eligible messages and never replies."""
+        bot = Crabstero(str(tmp_path / "ingest-only.db"), ingest_only=True)
+        try:
+            async with run(bot) as env:
+                context = await make_simcord_member_channel(env)
+                member = context.member
+                channel = context.channel
+
+                await member.send(channel, "Ingest only.")
+
+                assert await start_words_for_channel(bot.db, channel.id) == ["Ingest"]
+                assert [message.content for message in channel.history()] == [
+                    "Ingest only.",
+                ]
+        finally:
+            bot.ws = None  # type: ignore[assignment]
+            await bot.close()
+
+
+class TestReplies:
+    """Mentions produce replies through the real Discord message path."""
+
+    async def test_mentioning_bot_sends_seeded_reply(
+        self,
+        simcord_env: Env,
+        simcord_member_channel: SimcordMemberChannel,
+        crabstero_bot: Crabstero,
+        seed_reply: SeedReply,
+    ) -> None:
+        """A mention causes a deterministic Markov reply to be posted."""
+        member = simcord_member_channel.member
+        channel = simcord_member_channel.channel
+        await seed_reply(crabstero_bot.db, channel.id)
+
+        await member.send(channel, f"<@{simcord_env.backend.bot_user.id}> please reply")
+
+        history = channel.history()
+        assert [message.content for message in history] == [
+            f"<@{simcord_env.backend.bot_user.id}> please reply",
+            "Generated reply.",
+        ]
+        assert history[-1].reference is not None
+        assert history[-1].author == simcord_env.bot.user
+
+    async def test_mention_reply_can_include_embed_and_image(
+        self,
+        simcord_env: Env,
+        simcord_member_channel: SimcordMemberChannel,
+        crabstero_bot: Crabstero,
+        monkeypatch: pytest.MonkeyPatch,
+        seed_reply: SeedReply,
+    ) -> None:
+        """The optional reply embed path uses generated text and stored images."""
+        member = simcord_member_channel.member
+        channel = simcord_member_channel.channel
+        await seed_reply(crabstero_bot.db, channel.id)
+        await crabstero_bot.db.add_images(
+            [ChannelImage(channel.id, 123, "https://example.com/reply.png")],
+        )
+        monkeypatch.setattr("crabstero.messages.secrets.randbelow", lambda _upper: 95)
+
+        await member.send(channel, f"<@{simcord_env.backend.bot_user.id}> please reply")
+
+        reply = channel.history()[-1]
+        assert reply.content == "Generated reply."
+        assert len(reply.embeds) == 1
+        assert reply.embeds[0].title == "Generated reply."
+        assert reply.embeds[0].description == "Generated reply."
+        assert reply.embeds[0].image.url == "https://example.com/reply.png"
+
+    async def test_mention_in_thread_uses_parent_channel_chain(
+        self,
+        simcord_env: Env,
+        simcord_member_channel: SimcordMemberChannel,
+        crabstero_bot: Crabstero,
+        seed_reply: SeedReply,
+    ) -> None:
+        """A thread mention generates from the parent channel's Markov chain."""
+        member = simcord_member_channel.member
+        channel = simcord_member_channel.channel
+        await seed_reply(crabstero_bot.db, channel.id)
+        simcord_env.backend.create_thread(channel.id, "thread", member.id)
+        await simcord_env.settle()
+        thread = channel.threads[0]
+
+        await member.send(thread, f"<@{simcord_env.backend.bot_user.id}> thread reply")
+
+        assert [message.content for message in thread.history()] == [
+            f"<@{simcord_env.backend.bot_user.id}> thread reply",
+            "Generated reply.",
+        ]
+
+    async def test_allow_pings_flag_allows_generated_user_mentions(
+        self,
+        simcord_env: Env,
+        simcord_member_channel: SimcordMemberChannel,
+        crabstero_bot: Crabstero,
+    ) -> None:
+        """Generated mentions are allowed for users who opted in."""
+        member = simcord_member_channel.member
+        channel = simcord_member_channel.channel
+        target = simcord_env.create_user("Mentioned")
+        await crabstero_bot.db.add_markov_data(
+            [StartWord(channel.id, 123, "Hello")],
+            [Transition(channel.id, 123, "Hello", f"{target.mention}.")],
+        )
+        await crabstero_bot.db.set_flag(
+            EntityType.USER,
+            str(target.id),
+            Flag.ALLOW_PINGS,
+        )
+
+        await member.send(channel, f"<@{simcord_env.backend.bot_user.id}> please reply")
+
+        assert channel.history()[-1].content == f"Hello {target.mention}."
+
+    async def test_no_reply_flag_suppresses_reply(
+        self,
+        simcord_env: Env,
+        simcord_member_channel: SimcordMemberChannel,
+        crabstero_bot: Crabstero,
+        seed_reply: SeedReply,
+    ) -> None:
+        """The noReply flag prevents a mention response."""
+        member = simcord_member_channel.member
+        channel = simcord_member_channel.channel
+        await seed_reply(crabstero_bot.db, channel.id)
+        await crabstero_bot.db.set_flag(
+            EntityType.CHANNEL,
+            str(channel.id),
+            Flag.NO_REPLY,
+        )
+
+        await member.send(channel, f"<@{simcord_env.backend.bot_user.id}> please reply")
+
+        assert [message.content for message in channel.history()] == [
+            f"<@{simcord_env.backend.bot_user.id}> please reply",
+        ]
+
+    async def test_missing_send_permission_suppresses_reply(
+        self,
+        simcord_env: Env,
+        crabstero_bot: Crabstero,
+        seed_reply: SeedReply,
+    ) -> None:
+        """A bot without send_messages permission does not reply."""
+        guild = simcord_env.create_guild()
+        bot_role = guild.roles[simcord_env.backend.bot_user.name]
+        channel = guild.create_text_channel(
+            "readonly",
+            overwrites={
+                bot_role: discord.PermissionOverwrite(send_messages=False),
+            },
+        )
+        member = guild.add_member(simcord_env.create_user("Ada"))
+        await simcord_env.settle()
+        await seed_reply(crabstero_bot.db, channel.id)
+
+        await member.send(channel, f"<@{simcord_env.backend.bot_user.id}> please reply")
+
+        assert [message.content for message in channel.history()] == [
+            f"<@{simcord_env.backend.bot_user.id}> please reply",
+        ]
+
+    async def test_direct_dm_reply_is_ignored(
+        self,
+        simcord_env: Env,
+        crabstero_bot: Crabstero,
+    ) -> None:
+        """The reply helper ignores messages outside guilds."""
+        user = simcord_env.create_user("Ada")
+        message = await user.send_dm(f"<@{simcord_env.backend.bot_user.id}> hi")
+
+        await reply_to_message(crabstero_bot.db, message)
+
+        assert [message.content for message in user.dm_channel.history()] == [
+            f"<@{simcord_env.backend.bot_user.id}> hi",
+        ]
+
+
+class TestDeletes:
+    """Raw delete events reverse recent message ingestion."""
+
+    async def test_delete_reverses_recent_ingest(
+        self,
+        simcord_member_channel: SimcordMemberChannel,
+        crabstero_bot: Crabstero,
+        start_words_for_channel: StartWordsForChannel,
+    ) -> None:
+        """Deleting a cached message removes its Markov rows."""
+        member = simcord_member_channel.member
+        channel = simcord_member_channel.channel
+        message = await member.send(channel, "Delete me.")
+        assert await start_words_for_channel(crabstero_bot.db, channel.id) == [
+            "Delete",
+        ]
+
+        await member.delete(message)
+
+        assert await start_words_for_channel(crabstero_bot.db, channel.id) == []
+
+    async def test_bulk_delete_reverses_recent_ingests(
+        self,
+        simcord_env: Env,
+        simcord_member_channel: SimcordMemberChannel,
+        crabstero_bot: Crabstero,
+        start_words_for_channel: StartWordsForChannel,
+    ) -> None:
+        """Bulk-deleting cached messages removes their Markov rows."""
+        member = simcord_member_channel.member
+        channel = simcord_member_channel.channel
+        first = await member.send(channel, "Bulk one.")
+        second = await member.send(channel, "Bulk two.")
+        assert await start_words_for_channel(crabstero_bot.db, channel.id) == [
+            "Bulk",
+            "Bulk",
+        ]
+
+        simcord_env.backend.bulk_delete_messages(channel.id, [first.id, second.id])
+        await simcord_env.settle()
+
+        assert await start_words_for_channel(crabstero_bot.db, channel.id) == []
+
+
+class TestFlagSuppression:
+    """Message behavior respects persisted noIngest and noReply flags."""
+
+    async def test_no_ingest_user_flag_suppresses_ingestion(
+        self,
+        simcord_member_channel: SimcordMemberChannel,
+        crabstero_bot: Crabstero,
+        start_words_for_channel: StartWordsForChannel,
+    ) -> None:
+        """The noIngest flag prevents storing a user's message."""
+        member = simcord_member_channel.member
+        channel = simcord_member_channel.channel
+        await crabstero_bot.db.set_flag(
+            EntityType.USER,
+            str(member.id),
+            Flag.NO_INGEST,
+        )
+
+        await member.send(channel, "Do not learn.")
+
+        assert await start_words_for_channel(crabstero_bot.db, channel.id) == []
+
+    async def test_direct_dm_ingest_is_ignored(
+        self,
+        simcord_env: Env,
+        crabstero_bot: Crabstero,
+        start_words_for_channel: StartWordsForChannel,
+    ) -> None:
+        """The ingest helper ignores messages outside guilds."""
+        user = simcord_env.create_user("Ada")
+        message = await user.send_dm("Direct helper call.")
+
+        await ingest_message(crabstero_bot.db, message)
+
+        assert (
+            await start_words_for_channel(
+                crabstero_bot.db,
+                user.dm_channel.id,
+            )
+            == []
+        )
+
+    async def test_direct_bot_mention_ingest_is_ignored(
+        self,
+        simcord_env: Env,
+        simcord_member_channel: SimcordMemberChannel,
+        crabstero_bot: Crabstero,
+        start_words_for_channel: StartWordsForChannel,
+    ) -> None:
+        """The ingest helper ignores messages that mention the bot."""
+        member = simcord_member_channel.member
+        channel = simcord_member_channel.channel
+        message = await member.send(
+            channel,
+            f"<@{simcord_env.backend.bot_user.id}> do not learn",
+        )
+
+        await ingest_message(crabstero_bot.db, message)
+
+        assert await start_words_for_channel(crabstero_bot.db, channel.id) == []

tests/integration/discord/test_server_events.py

@@ -0,0 +1,277 @@
+# Copyright 2026 Logan Fick
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+"""Simcord integration tests for server event ingestion triggers."""
+
+from typing import TYPE_CHECKING
+
+import discord
+import pytest
+from simcord.backend.models import Overwrite
+from simcord.enums import OverwriteType
+
+from crabstero.listeners.server_events import ServerEventsCog
+from crabstero.tasks.ingestion import ingest_channel
+
+if TYPE_CHECKING:
+    from simcord import Env
+
+    from crabstero.bot import Crabstero
+    from tests.integration.discord.conftest import (
+        SimcordMemberChannel,
+        SimcordTextChannel,
+        StartWordsForChannel,
+    )
+
+
+@pytest.fixture
+def server_events_cog(crabstero_bot: Crabstero) -> ServerEventsCog:
+    """Return the loaded server-events cog from the Simcord-backed bot."""
+    cog = crabstero_bot.get_cog("ServerEventsCog")
+    assert isinstance(cog, ServerEventsCog)
+    return cog
+
+
+class TestGuildEvents:
+    """Guild availability and joins queue local channel history ingestion."""
+
+    async def test_guild_available_queues_text_and_voice_channels(
+        self,
+        simcord_env: Env,
+        server_events_cog: ServerEventsCog,
+    ) -> None:
+        """Available guilds enqueue all textable channels."""
+        guild = simcord_env.create_guild()
+        await simcord_env.settle()
+        text = guild.create_text_channel("general")
+        voice = guild.create_voice_channel("voice")
+        await simcord_env.settle()
+        cached_guild = simcord_env.bot.get_guild(guild.id)
+        assert cached_guild is not None
+
+        await server_events_cog.on_guild_available(cached_guild)
+        await simcord_env.settle()
+
+        assert await server_events_cog.bot.db.is_channel_ingested(text.id)
+        assert await server_events_cog.bot.db.is_channel_ingested(voice.id)
+
+    async def test_guild_join_queues_ingestion_and_attempts_owner_notification(
+        self,
+        simcord_env: Env,
+        simcord_text_channel: SimcordTextChannel,
+        server_events_cog: ServerEventsCog,
+    ) -> None:
+        """Joining a guild enqueues ingestion and uses the fake owner DM path."""
+        guild = simcord_text_channel.guild
+        channel = simcord_text_channel.channel
+        cached_guild = simcord_env.bot.get_guild(guild.id)
+        assert cached_guild is not None
+
+        await server_events_cog.on_guild_join(cached_guild)
+        await simcord_env.settle()
+
+        assert await server_events_cog.bot.db.is_channel_ingested(channel.id)
+        http_routes = [f"{method} {path}" for method, path, _ in simcord_env.http_log]
+        assert "GET /oauth2/applications/@me" in http_routes
+        assert "POST /users/@me/channels" in http_routes
+        assert any(route.endswith("/messages") for route in http_routes)
+
+
+class TestPermissionUpdateEvents:
+    """Permission-changing events trigger ingestion only when relevant."""
+
+    async def test_role_update_queues_only_when_permissions_change_for_bot_role(
+        self,
+        simcord_env: Env,
+        simcord_text_channel: SimcordTextChannel,
+        crabstero_bot: Crabstero,
+    ) -> None:
+        """Role updates require changed permissions and bot membership."""
+        guild = simcord_text_channel.guild
+        channel = simcord_text_channel.channel
+        role = guild.create_role("reader", permissions=discord.Permissions.none())
+        await simcord_env.settle()
+
+        simcord_env.backend.edit_role(
+            guild.id,
+            role.id,
+            {"permissions": discord.Permissions(view_channel=True).value},
+        )
+        await simcord_env.settle()
+        assert not await crabstero_bot.db.is_channel_ingested(channel.id)
+
+        bot_role = guild.roles[simcord_env.backend.bot_user.name]
+        simcord_env.backend.edit_role(
+            guild.id,
+            bot_role.id,
+            {
+                "permissions": discord.Permissions(
+                    view_channel=True,
+                    read_message_history=True,
+                ).value,
+            },
+        )
+        await simcord_env.settle()
+
+        assert await crabstero_bot.db.is_channel_ingested(channel.id)
+
+    async def test_role_update_same_permissions_does_not_queue(
+        self,
+        simcord_env: Env,
+        simcord_text_channel: SimcordTextChannel,
+        crabstero_bot: Crabstero,
+    ) -> None:
+        """A role update without permission changes is ignored."""
+        guild = simcord_text_channel.guild
+        channel = simcord_text_channel.channel
+        role = guild.create_role(
+            "reader",
+            permissions=discord.Permissions(read_message_history=True),
+        )
+        simcord_env.backend.add_member_role(
+            guild.id,
+            simcord_env.backend.bot_user.id,
+            role.id,
+        )
+        await simcord_env.settle()
+
+        simcord_env.backend.edit_role(
+            guild.id,
+            role.id,
+            {"permissions": discord.Permissions(read_message_history=True).value},
+        )
+        await simcord_env.settle()
+
+        assert not await crabstero_bot.db.is_channel_ingested(channel.id)
+
+    async def test_channel_update_queues_only_when_overwrites_change(
+        self,
+        simcord_env: Env,
+        simcord_text_channel: SimcordTextChannel,
+        crabstero_bot: Crabstero,
+    ) -> None:
+        """Channel updates without overwrite changes do not enqueue ingestion."""
+        guild = simcord_text_channel.guild
+        channel = simcord_text_channel.channel
+
+        simcord_env.backend.edit_channel(channel.id, {"topic": "no permission change"})
+        await simcord_env.settle()
+        assert not await crabstero_bot.db.is_channel_ingested(channel.id)
+
+        simcord_env.backend.set_overwrite(
+            channel.id,
+            Overwrite(
+                target_id=guild.default_role.id,
+                type=OverwriteType.ROLE,
+                allow=discord.Permissions(read_message_history=True).value,
+                deny=0,
+            ),
+        )
+        await simcord_env.settle()
+
+        assert await crabstero_bot.db.is_channel_ingested(channel.id)
+
+
+class TestIngestionTasks:
+    """Server-triggered ingestion task behavior stays local and deterministic."""
+
+    async def test_duplicate_channel_queue_requests_share_one_task(
+        self,
+        simcord_env: Env,
+        simcord_text_channel: SimcordTextChannel,
+        crabstero_bot: Crabstero,
+    ) -> None:
+        """Queuing the same channel twice before the loop runs creates one task."""
+        channel = simcord_text_channel.channel
+        cached_channel = simcord_env.bot.get_channel(channel.id)
+        assert isinstance(cached_channel, discord.TextChannel)
+
+        crabstero_bot.queue_channel_for_ingestion(cached_channel)
+        crabstero_bot.queue_channel_for_ingestion(cached_channel)
+
+        assert list(crabstero_bot._ingestion_tasks) == [channel.id]
+        await simcord_env.settle()
+
+    async def test_channel_history_ingestion_requires_read_history_permission(
+        self,
+        simcord_env: Env,
+        crabstero_bot: Crabstero,
+    ) -> None:
+        """A channel missing read history permission is skipped."""
+        guild = simcord_env.create_guild()
+        channel = guild.create_text_channel(
+            "hidden-history",
+            overwrites={
+                guild.default_role: discord.PermissionOverwrite(
+                    read_message_history=False,
+                ),
+            },
+        )
+        await simcord_env.settle()
+        cached_channel = simcord_env.bot.get_channel(channel.id)
+        assert isinstance(cached_channel, discord.TextChannel)
+
+        await ingest_channel(cached_channel, crabstero_bot.db)
+
+        assert not await crabstero_bot.db.is_channel_ingested(channel.id)
+
+    async def test_channel_history_ingestion_reads_existing_messages(
+        self,
+        simcord_env: Env,
+        simcord_member_channel: SimcordMemberChannel,
+        crabstero_bot: Crabstero,
+        start_words_for_channel: StartWordsForChannel,
+    ) -> None:
+        """Bulk channel ingestion reads historical messages through Discord."""
+        member = simcord_member_channel.member
+        channel = simcord_member_channel.channel
+        cached_channel = simcord_env.bot.get_channel(channel.id)
+        assert isinstance(cached_channel, discord.TextChannel)
+        simcord_env.backend.create_message(
+            channel.id,
+            member.id,
+            "Historical message.",
+            broadcast=False,
+        )
+
+        await ingest_channel(cached_channel, crabstero_bot.db)
+
+        assert await start_words_for_channel(crabstero_bot.db, channel.id) == [
+            "Historical",
+        ]
+        assert await crabstero_bot.db.is_channel_ingested(channel.id)
+
+    async def test_already_ingested_channel_is_skipped(
+        self,
+        simcord_env: Env,
+        simcord_member_channel: SimcordMemberChannel,
+        crabstero_bot: Crabstero,
+        start_words_for_channel: StartWordsForChannel,
+    ) -> None:
+        """A channel marked ingested is not read again."""
+        member = simcord_member_channel.member
+        channel = simcord_member_channel.channel
+        await crabstero_bot.db.mark_channel_ingested(channel.id)
+        cached_channel = simcord_env.bot.get_channel(channel.id)
+        assert isinstance(cached_channel, discord.TextChannel)
+        simcord_env.backend.create_message(
+            channel.id,
+            member.id,
+            "Historical message.",
+            broadcast=False,
+        )
+
+        await ingest_channel(cached_channel, crabstero_bot.db)
+
+        assert await start_words_for_channel(crabstero_bot.db, channel.id) == []