@Test
public void shouldAppendWithoutRecalculating() {
state.recording().startRecording();
presenter.setZoom(4000);
presenter.getTimelineView();
presenter.sessionManager = mockSessionManager();
triggerMeasurement(measurement1);
List<Measurement> result = presenter.getTimelineView();
assertThat(result).contains(measurement1, measurements.get(3)).excludes(measurements.get(2));
}
@Test
public void shouldAverageTimelineOnTheFly() {
state.recording().startRecording();
when(presenter.settingsHelper.getAveragingTime()).thenReturn(4);
Measurement expected = new Measurement(3.5, 3.5, 3.5, new Date(0, 0, 0, 0, 1, 5));
presenter.onEvent(EVENT);
presenter.getTimelineView();
triggerMeasurement(measurement1);
triggerMeasurement(measurement2);
assertThat(presenter.getTimelineView()).contains(expected, measurement2);
}
@Test
public void timelineViewShouldBeEmptyWithoutASession() {
when(presenter.sessionManager.isSessionSaved()).thenReturn(false);
when(presenter.sessionManager.isSessionStarted()).thenReturn(false);
assertThat(presenter.getTimelineView()).isEmpty();
}
@Test
public void shouldNotCluster() {
state.recording().startRecording();
presenter.setZoom(4000);
assertThat(presenter.getTimelineView()).contains(measurements.get(3), measurements.get(2));
}
@Test
public void shouldAllowToZoomOutAfterMoreDataArrives() {
state.recording().startRecording();
presenter.setZoom(8000);
presenter.getTimelineView();
triggerMeasurement(measurement1);
assertThat(presenter.canZoomOut()).isTrue();
}
@Test
public void shouldShowLastNMillis() {
state.recording().startRecording();
presenter.setZoom(100);
List<Measurement> result = presenter.getTimelineView();
assertThat(result).contains(measurements.get(3));
assertThat(result).excludes(measurements.get(2));
}
@Test
public void shouldHandleEmptyList() {
when(stream.getMeasurements()).thenReturn(new ArrayList<Measurement>());
assertThat(presenter.getTimelineView()).isEmpty();
}