matrix-js-sdk/spec/unit/models/event.spec.ts

/*
Copyright 2021 The Matrix.org Foundation C.I.C.

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.
*/

import { MatrixEvent } from "../../../src/models/event";

describe('MatrixEvent', () => {
    it('should create copies of itself', () => {
        const a = new MatrixEvent({
            type: "com.example.test",
            content: {
                isTest: true,
                num: 42,
            },
        });

        const clone = a.toSnapshot();
        expect(clone).toBeDefined();
        expect(clone).not.toBe(a);
        expect(clone.event).not.toBe(a.event);
        expect(clone.event).toMatchObject(a.event);

        // The other properties we're not super interested in, honestly.
    });

    it('should compare itself to other events using json', () => {
        const a = new MatrixEvent({
            type: "com.example.test",
            content: {
                isTest: true,
                num: 42,
            },
        });
        const b = new MatrixEvent({
            type: "com.example.test______B",
            content: {
                isTest: true,
                num: 42,
            },
        });
        expect(a.isEquivalentTo(b)).toBe(false);
        expect(a.isEquivalentTo(a)).toBe(true);
        expect(b.isEquivalentTo(a)).toBe(false);
        expect(b.isEquivalentTo(b)).toBe(true);
        expect(a.toSnapshot().isEquivalentTo(a)).toBe(true);
        expect(a.toSnapshot().isEquivalentTo(b)).toBe(false);
    });

    it("should prune clearEvent when being redacted", () => {
        const ev = new MatrixEvent({
            type: "m.room.message",
            content: {
                body: "Test",
            },
            event_id: "$event1:server",
        });

        expect(ev.getContent().body).toBe("Test");
        expect(ev.getWireContent().body).toBe("Test");
        ev.makeEncrypted("m.room.encrypted", { ciphertext: "xyz" }, "", "");
        expect(ev.getContent().body).toBe("Test");
        expect(ev.getWireContent().body).toBeUndefined();
        expect(ev.getWireContent().ciphertext).toBe("xyz");

        const redaction = new MatrixEvent({
            type: "m.room.redaction",
            redacts: ev.getId(),
        });

        ev.makeRedacted(redaction);
        expect(ev.getContent().body).toBeUndefined();
        expect(ev.getWireContent().body).toBeUndefined();
        expect(ev.getWireContent().ciphertext).toBeUndefined();
    });
});