mirror of
https://github.com/matrix-org/mjolnir.git
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179 lines
12 KiB
TypeScript
179 lines
12 KiB
TypeScript
import { strict as assert } from "assert";
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import config from "../../src/config";
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import { newTestUser } from "./clientHelper";
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import { MatrixClient } from "matrix-bot-sdk";
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import BanList, { ChangeType, ListRuleChange, RULE_USER } from "../../src/models/BanList";
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/**
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* Create a policy rule in a policy room.
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* @param client A matrix client that is logged in
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* @param policyRoomId The room id to add the policy to.
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* @param policyType The type of policy to add e.g. m.policy.rule.user. (Use RULE_USER though).
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* @param entity The entity to ban e.g. @foo:example.org
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* @param reason A reason for the rule e.g. 'Wouldn't stop posting spam links'
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* @returns The event id of the newly created policy rule.
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*/
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async function createPolicyRule(client: MatrixClient, policyRoomId: string, policyType: string, entity: string, reason: string) {
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return await client.sendStateEvent(policyRoomId, policyType, `rule:${entity}`, {
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entity,
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reason,
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recommendation: 'm.ban'
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});
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}
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describe("Test: Updating the BanList", function () {
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it("Calculates what has changed correctly.", async function () {
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this.timeout(10000);
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const mjolnir = config.RUNTIME.client!
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const moderator = await newTestUser({ name: { contains: "moderator" }});
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const banListId = await mjolnir.createRoom({ invite: [await moderator.getUserId()]});
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const banList = new BanList(banListId, banListId, mjolnir);
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mjolnir.setUserPowerLevel(await moderator.getUserId(), banListId, 100);
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assert.equal(banList.allRules.length, 0);
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// Test adding a new rule
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await createPolicyRule(mjolnir, banListId, RULE_USER, '@added:localhost:9999', '');
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let changes: ListRuleChange[] = await banList.updateList();
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assert.equal(changes.length, 1, 'There should only be one change');
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assert.equal(changes[0].changeType, ChangeType.Added);
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assert.equal(changes[0].sender, await mjolnir.getUserId());
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assert.equal(banList.userRules.length, 1);
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assert.equal(banList.allRules.length, 1);
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// Test modifiying a rule
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let originalEventId = await createPolicyRule(mjolnir, banListId, RULE_USER, '@modified:localhost:9999', '');
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await banList.updateList();
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let modifyingEventId = await createPolicyRule(mjolnir, banListId, RULE_USER, '@modified:localhost:9999', 'modified reason');
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changes = await banList.updateList();
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assert.equal(changes.length, 1);
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assert.equal(changes[0].changeType, ChangeType.Modified);
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assert.equal(changes[0].previousState['event_id'], originalEventId, 'There should be a previous state event for a modified rule');
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assert.equal(changes[0].event['event_id'], modifyingEventId);
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let modifyingAgainEventId = await createPolicyRule(mjolnir, banListId, RULE_USER, '@modified:localhost:9999', 'modified again');
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changes = await banList.updateList();
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assert.equal(changes.length, 1);
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assert.equal(changes[0].changeType, ChangeType.Modified);
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assert.equal(changes[0].previousState['event_id'], modifyingEventId, 'There should be a previous state event for a modified rule');
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assert.equal(changes[0].event['event_id'], modifyingAgainEventId);
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assert.equal(banList.userRules.length, 2, 'There should be two rules, one for @modified:localhost:9999 and one for @added:localhost:9999');
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// Test redacting a rule
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const redactThis = await createPolicyRule(mjolnir, banListId, RULE_USER, '@redacted:localhost:9999', '');
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await banList.updateList();
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assert.equal(banList.userRules.filter(r => r.entity === '@redacted:localhost:9999').length, 1);
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await mjolnir.redactEvent(banListId, redactThis);
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changes = await banList.updateList();
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assert.equal(changes.length, 1);
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assert.equal(changes[0].changeType, ChangeType.Removed);
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assert.equal(changes[0].event['event_id'], redactThis, 'Should show the new version of the event with redacted content');
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assert.equal(Object.keys(changes[0].event['content']).length, 0, 'Should show the new version of the event with redacted content');
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assert.notEqual(Object.keys(changes[0].previousState['content']), 0, 'Should have a copy of the unredacted state');
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assert.notEqual(changes[0].rule, undefined, 'The previous rule should be present');
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assert.equal(banList.userRules.filter(r => r.entity === '@redacted:localhost:9999').length, 0, 'The rule should be removed.');
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// Test soft redaction of a rule
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const softRedactedEntity = '@softredacted:localhost:9999'
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await createPolicyRule(mjolnir, banListId, RULE_USER, softRedactedEntity, '');
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await banList.updateList();
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assert.equal(banList.userRules.filter(r => r.entity === softRedactedEntity).length, 1);
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await mjolnir.sendStateEvent(banListId, RULE_USER, `rule:${softRedactedEntity}`, {});
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changes = await banList.updateList();
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assert.equal(changes.length, 1);
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assert.equal(changes[0].changeType, ChangeType.Removed);
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assert.equal(Object.keys(changes[0].event['content']).length, 0, 'Should show the new version of the event with redacted content');
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assert.notEqual(Object.keys(changes[0].previousState['content']), 0, 'Should have a copy of the unredacted state');
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assert.notEqual(changes[0].rule, undefined, 'The previous rule should be present');
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assert.equal(banList.userRules.filter(r => r.entity === softRedactedEntity).length, 0, 'The rule should have been removed');
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// Now test a double soft redaction just to make sure stuff doesn't explode
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await mjolnir.sendStateEvent(banListId, RULE_USER, `rule:${softRedactedEntity}`, {});
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changes = await banList.updateList();
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assert.equal(changes.length, 0, "It shouldn't detect a double soft redaction as a change, it should be seen as adding an invalid rule.");
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assert.equal(banList.userRules.filter(r => r.entity === softRedactedEntity).length, 0, 'The rule should have been removed');
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// Test that different (old) rule types will be modelled as the latest event type.
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originalEventId = await createPolicyRule(mjolnir, banListId, 'org.matrix.mjolnir.rule.user', '@old:localhost:9999', '');
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changes = await banList.updateList();
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assert.equal(changes.length, 1);
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assert.equal(changes[0].changeType, ChangeType.Added);
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assert.equal(banList.userRules.filter(r => r.entity === '@old:localhost:9999').length, 1);
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modifyingEventId = await createPolicyRule(mjolnir, banListId, 'm.room.rule.user', '@old:localhost:9999', 'modified reason');
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changes = await banList.updateList();
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assert.equal(changes.length, 1);
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assert.equal(changes[0].changeType, ChangeType.Modified);
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assert.equal(changes[0].event['event_id'], modifyingEventId);
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assert.equal(changes[0].previousState['event_id'], originalEventId, 'There should be a previous state event for a modified rule');
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assert.equal(banList.userRules.filter(r => r.entity === '@old:localhost:9999').length, 1);
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modifyingAgainEventId = await createPolicyRule(mjolnir, banListId, RULE_USER, '@old:localhost:9999', 'changes again');
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changes = await banList.updateList();
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assert.equal(changes.length, 1);
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assert.equal(changes[0].changeType, ChangeType.Modified);
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assert.equal(changes[0].event['event_id'], modifyingAgainEventId);
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assert.equal(changes[0].previousState['event_id'], modifyingEventId, 'There should be a previous state event for a modified rule');
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assert.equal(banList.userRules.filter(r => r.entity === '@old:localhost:9999').length, 1);
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})
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it("Will remove rules with old types when they are 'soft redacted' with a different but more recent event type.", async function () {
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this.timeout(3000);
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const mjolnir = config.RUNTIME.client!
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const moderator = await newTestUser({ name: { contains: "moderator" }});
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const banListId = await mjolnir.createRoom({ invite: [await moderator.getUserId()]});
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const banList = new BanList(banListId, banListId, mjolnir);
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mjolnir.setUserPowerLevel(await moderator.getUserId(), banListId, 100);
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const entity = '@old:localhost:9999';
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let originalEventId = await createPolicyRule(mjolnir, banListId, 'm.room.rule.user', entity, '');
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let changes = await banList.updateList();
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assert.equal(changes.length, 1);
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assert.equal(changes[0].changeType, ChangeType.Added);
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assert.equal(banList.userRules.filter(rule => rule.entity === entity).length, 1, 'There should be a rule stored that we just added...')
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let softRedactingEventId = await mjolnir.sendStateEvent(banListId, RULE_USER, `rule:${entity}`, {});
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changes = await banList.updateList();
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assert.equal(changes.length, 1);
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assert.equal(changes[0].changeType, ChangeType.Removed);
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assert.equal(changes[0].event['event_id'], softRedactingEventId);
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assert.equal(changes[0].previousState['event_id'], originalEventId, 'There should be a previous state event for a modified rule');
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assert.equal(banList.userRules.filter(rule => rule.entity === entity).length, 0, 'The rule should no longer be stored.');
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})
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it("A rule of the most recent type won't be deleted when an old rule is deleted for the same entity.", async function () {
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this.timeout(3000);
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const mjolnir = config.RUNTIME.client!
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const moderator = await newTestUser({ name: { contains: "moderator" }});
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const banListId = await mjolnir.createRoom({ invite: [await moderator.getUserId()]});
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const banList = new BanList(banListId, banListId, mjolnir);
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mjolnir.setUserPowerLevel(await moderator.getUserId(), banListId, 100);
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const entity = '@old:localhost:9999';
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let originalEventId = await createPolicyRule(mjolnir, banListId, 'm.room.rule.user', entity, '');
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let changes = await banList.updateList();
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assert.equal(changes.length, 1);
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assert.equal(changes[0].changeType, ChangeType.Added);
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assert.equal(banList.userRules.filter(rule => rule.entity === entity).length, 1, 'There should be a rule stored that we just added...')
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let updatedEventId = await createPolicyRule(mjolnir, banListId, RULE_USER, entity, '');
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changes = await banList.updateList();
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// If in the future you change this and it fails, it's really subjective whether this constitutes a modification, since the only thing that has changed
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// is the rule type. The actual content is identical.
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assert.equal(changes.length, 1);
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assert.equal(changes[0].changeType, ChangeType.Modified);
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assert.equal(changes[0].event['event_id'], updatedEventId);
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assert.equal(changes[0].previousState['event_id'], originalEventId, 'There should be a previous state event for a modified rule');
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assert.equal(banList.userRules.filter(rule => rule.entity === entity).length, 1, 'Only the latest version of the rule gets returned.');
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// Now we delete the old version of the rule without consequence.
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await mjolnir.sendStateEvent(banListId, 'm.room.rule.user', `rule:${entity}`, {});
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changes = await banList.updateList();
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assert.equal(changes.length, 0);
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assert.equal(banList.userRules.filter(rule => rule.entity === entity).length, 1, 'The rule should still be active.');
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// And we can still delete the new version of the rule.
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let softRedactingEventId = await mjolnir.sendStateEvent(banListId, RULE_USER, `rule:${entity}`, {});
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changes = await banList.updateList();
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assert.equal(changes.length, 1);
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assert.equal(changes[0].changeType, ChangeType.Removed);
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assert.equal(changes[0].event['event_id'], softRedactingEventId);
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assert.equal(changes[0].previousState['event_id'], updatedEventId, 'There should be a previous state event for a modified rule');
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assert.equal(banList.userRules.filter(rule => rule.entity === entity).length, 0, 'The rule should no longer be stored.');
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})
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});
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