refactor progress

packages/api/src/invite/tests/InviteGuildMemberLimit.test.tsx

@@ -0,0 +1,126 @@
+/*
+ * Copyright (C) 2026 Fluxer Contributors
+ *
+ * This file is part of Fluxer.
+ *
+ * Fluxer is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * Fluxer is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with Fluxer. If not, see <https://www.gnu.org/licenses/>.
+ */
+
+import {createTestAccount} from '@fluxer/api/src/auth/tests/AuthTestUtils';
+import {createGuild} from '@fluxer/api/src/channel/tests/ChannelTestUtils';
+import {type ApiTestHarness, createApiTestHarness} from '@fluxer/api/src/test/ApiTestHarness';
+import {HTTP_STATUS} from '@fluxer/api/src/test/TestConstants';
+import {createBuilder} from '@fluxer/api/src/test/TestRequestBuilder';
+import {APIErrorCodes} from '@fluxer/constants/src/ApiErrorCodes';
+import {GuildFeatures} from '@fluxer/constants/src/GuildConstants';
+import {MAX_GUILD_MEMBERS, MAX_GUILD_MEMBERS_VERY_LARGE_GUILD} from '@fluxer/constants/src/LimitConstants';
+import {afterAll, beforeAll, beforeEach, describe, expect, it} from 'vitest';
+
+interface InviteResponse {
+	code: string;
+}
+
+interface InviteAcceptResponse {
+	guild: {
+		id: string;
+	};
+}
+
+async function createGuildInvite(harness: ApiTestHarness, token: string, channelId: string): Promise<string> {
+	const invite = await createBuilder<InviteResponse>(harness, token)
+		.post(`/channels/${channelId}/invites`)
+		.body({})
+		.execute();
+	return invite.code;
+}
+
+async function addGuildFeatureForTesting(harness: ApiTestHarness, guildId: string, feature: string): Promise<void> {
+	await createBuilder<{success: boolean}>(harness, '')
+		.post(`/test/guilds/${guildId}/features`)
+		.body({add_features: [feature]})
+		.execute();
+}
+
+async function setGuildMemberCountForTesting(
+	harness: ApiTestHarness,
+	guildId: string,
+	memberCount: number,
+): Promise<void> {
+	await createBuilder<{success: boolean}>(harness, '')
+		.post(`/test/guilds/${guildId}/member-count`)
+		.body({member_count: memberCount})
+		.execute();
+}
+
+describe('Invite guild member limit', () => {
+	let harness: ApiTestHarness;
+
+	beforeAll(async () => {
+		harness = await createApiTestHarness();
+	});
+
+	afterAll(async () => {
+		await harness?.shutdown();
+	});
+
+	beforeEach(async () => {
+		await harness.reset();
+	});
+
+	it('rejects joining when guild reaches the default cap', async () => {
+		const owner = await createTestAccount(harness);
+		const joiner = await createTestAccount(harness);
+		const guild = await createGuild(harness, owner.token, 'Default cap guild');
+		if (!guild.system_channel_id) {
+			throw new Error('Guild system channel is missing');
+		}
+		const inviteCode = await createGuildInvite(harness, owner.token, guild.system_channel_id);
+
+		await setGuildMemberCountForTesting(harness, guild.id, MAX_GUILD_MEMBERS);
+
+		await createBuilder(harness, joiner.token)
+			.post(`/invites/${inviteCode}`)
+			.body(null)
+			.expect(HTTP_STATUS.BAD_REQUEST, APIErrorCodes.MAX_GUILD_MEMBERS)
+			.execute();
+	});
+
+	it('raises guild member cap to 10000 when VERY_LARGE_GUILD is enabled', async () => {
+		const owner = await createTestAccount(harness);
+		const firstJoiner = await createTestAccount(harness);
+		const secondJoiner = await createTestAccount(harness);
+		const guild = await createGuild(harness, owner.token, 'Very large guild');
+		if (!guild.system_channel_id) {
+			throw new Error('Guild system channel is missing');
+		}
+		const inviteCode = await createGuildInvite(harness, owner.token, guild.system_channel_id);
+
+		await addGuildFeatureForTesting(harness, guild.id, GuildFeatures.VERY_LARGE_GUILD);
+		await setGuildMemberCountForTesting(harness, guild.id, MAX_GUILD_MEMBERS);
+
+		const accepted = await createBuilder<InviteAcceptResponse>(harness, firstJoiner.token)
+			.post(`/invites/${inviteCode}`)
+			.body(null)
+			.execute();
+		expect(accepted.guild.id).toBe(guild.id);
+
+		await setGuildMemberCountForTesting(harness, guild.id, MAX_GUILD_MEMBERS_VERY_LARGE_GUILD);
+
+		await createBuilder(harness, secondJoiner.token)
+			.post(`/invites/${inviteCode}`)
+			.body(null)
+			.expect(HTTP_STATUS.BAD_REQUEST, APIErrorCodes.MAX_GUILD_MEMBERS)
+			.execute();
+	});
+});