@Test
public void testInterpolateEmpty() throws Exception {
interpolator.offer(new TimedValue(1, 1));
interpolator.offer(new TimedValue(1, 1));
List<TimedValue> res = interpolator.offer(new TimedValue(1, 1));
assertEquals(res.size(), 0);
}
@Test
public void testInterpolateRightOfIntersection() throws Exception {
interpolator.offer(new TimedValue(119995, 5));
interpolator.offer(new TimedValue(119997, 3));
interpolator.offer(new TimedValue(120001, 5));
List<TimedValue> res = interpolator.offer(new TimedValue(120002, 6));
assertEquals(res.size(), 1);
assertEquals(res.get(0).timestamp(), 120000);
assertEquals(res.get(0).value(), 4, delta);
}
@Test
public void testInterpolateLeftOfIntersection() throws Exception {
interpolator.offer(new TimedValue(119997, 1));
interpolator.offer(new TimedValue(119999, 2));
interpolator.offer(new TimedValue(120002, 5));
List<TimedValue> res = interpolator.offer(new TimedValue(120003, 7));
assertEquals(res.size(), 1);
assertEquals(res.get(0).timestamp(), 120000);
assertEquals(res.get(0).value(), 2.5, delta);
}
@Test
public void testInterpolate() throws Exception {
interpolator.offer(new TimedValue(119996, 1));
interpolator.offer(new TimedValue(119998, 2));
interpolator.offer(new TimedValue(120001, 5));
List<TimedValue> res = interpolator.offer(new TimedValue(120002, 7));
assertEquals(res.size(), 1);
assertEquals(res.get(0).timestamp(), 120000);
assertEquals(res.get(0).value(), 3, delta);
}
@Test
public void testInterpolateRealData() throws Exception {
interpolator.offer(new TimedValue(1358457557006L, 1));
interpolator.offer(new TimedValue(1358458093054L, 2));
interpolator.offer(new TimedValue(1358458393054L, 4));
List<TimedValue> res = interpolator.offer(new TimedValue(1358458693054L, 6));
for (TimedValue tv : res) System.out.println(tv);
// assertEquals(res.size(), 1);
// assertEquals(res.get(0).timestamp(), 120000);
// assertEquals(res.get(0).value(), 3, delta);
}
@Test
public void testInterpolate2OrMoreMinuteBoundaries() throws Exception {
interpolator.offer(new TimedValue(119995, 5));
interpolator.offer(new TimedValue(119997, 3));
interpolator.offer(new TimedValue(180001, 60005));
List<TimedValue> res = interpolator.offer(new TimedValue(180002, 60006));
assertEquals(res.size(), 2);
assertEquals(res.get(0).timestamp(), 120000);
assertEquals(res.get(0).value(), 4, delta);
assertEquals(res.get(1).timestamp(), 180000);
assertEquals(res.get(1).value(), 60004, delta);
}
@Test(expected = AssertionError.class)
public void testFindIntersectionOutOfOrder() throws Exception {
interpolator.findIntersection(3, 1, 2, 2, 5, 5, 6, 7);
}
@Test
public void testFindIntersectionOutside() throws Exception {
assertEquals(
interpolator.findIntersection(0, 1, 2, 2, 5, 7, 6, 5),
SlidingInterpolatorImpl.Point.outside);
}
@Test
public void testFindIntersectionParallel() throws Exception {
assertEquals(
interpolator.findIntersection(0, 2, 2, 2, 5, 5, 6, 5),
SlidingInterpolatorImpl.Point.parallel);
}
@Test
public void testFindIntersection() throws Exception {
assertEquals(
interpolator.findIntersection(0, 1, 2, 2, 5, 5, 6, 7),
new SlidingInterpolatorImpl.Point(4, 3));
}
@Test(expected = AssertionError.class)
public void testLinearInterpolateFail() throws Exception {
interpolator.linearInterpolate(0.5, 1, 0, 1, 1);
}
@Test
public void testLinearInterpolate() throws Exception {
assertEquals(interpolator.linearInterpolate(0.5, 0, 0, 1, 1), 0.5, delta);
assertEquals(interpolator.linearInterpolate(0.5, 0, 1, 1, 1), 1, delta);
assertEquals(interpolator.linearInterpolate(0.5, 0, 2, 1, 1), 1.5, delta);
}