Merge "Add test for starting a bubble session when one is active" into main

        assertThat(uiEventLoggerFake.logs).isEmpty()

    }

    @Test

    fun startSession_whenSessionActive_startsNewSession() {

        // Start a session.

        bubbleSessionTracker.log(

            SessionEvent.Started(forBubbleBar = true, selectedBubblePackage = "app.package1")

        )

        // Without ending the first session, start another one.

        // This should log an error but still proceed to start a new session, overwriting the old one.

        bubbleSessionTracker.log(

            SessionEvent.Started(forBubbleBar = true, selectedBubblePackage = "app.package2")

        )

        // Now, end the session.

        bubbleSessionTracker.log(SessionEvent.Ended(forBubbleBar = true))

        // Verify the logs.

        assertThat(uiEventLoggerFake.numLogs()).isEqualTo(3)

        // The first log should be the start of the first session.

        val firstSessionStart = uiEventLoggerFake.logs[0]

        assertThat(firstSessionStart.eventId).isEqualTo(BUBBLE_BAR_SESSION_STARTED.id)

        assertThat(firstSessionStart.packageName).isEqualTo("app.package1")

        // The second log should be the start of the second session.

        val secondSessionStart = uiEventLoggerFake.logs[1]

        assertThat(secondSessionStart.eventId).isEqualTo(BUBBLE_BAR_SESSION_STARTED.id)

        assertThat(secondSessionStart.packageName).isEqualTo("app.package2")

        assertThat(firstSessionStart.instanceId).isNotEqualTo(secondSessionStart.instanceId)

        // The third log should be the end of the *second* session.

        val sessionEnd = uiEventLoggerFake.logs[2]

        assertThat(sessionEnd.eventId).isEqualTo(BUBBLE_BAR_SESSION_ENDED.id)

        assertThat(sessionEnd.packageName).isEqualTo("app.package2")

        assertThat(sessionEnd.instanceId).isEqualTo(secondSessionStart.instanceId)

    }

    class FakeInstanceIdSequence : InstanceIdSequence(/* instanceIdMax= */ 10) {

        var id = -1