@Test
public void
linkContainsCellsCorrespondingToInJunctionFollowedByCellsInCellChainFollowedByOutJunction()
throws Exception {
context.checking(
new Expectations() {
{
oneOf(cellChain).iterator();
will(returnIterator(linkCell0, linkCell1));
}
});
assertThat(link.cells(), contains(inJunction, linkCell0, linkCell1, outJunction));
}
@Test
public void getCellAtIndexReturnsDelgatesCallToCellChain() throws Exception {
context.checking(
new Expectations() {
{
oneOf(cellChain).getCellAtIndex(0);
will(returnValue(linkCell0));
oneOf(cellChain).getCellAtIndex(1);
will(returnValue(linkCell1));
}
});
assertThat(link.getCell(0), is(linkCell0));
assertThat(link.getCell(1), is(linkCell1));
}
@Test
public void occupancyReturnsLinkOccupancyObject() throws Exception {
defineExpectationsForOccupancyOnCellChain();
defineExpectationsForCapacityOnCellChain();
context.checking(
new Expectations() {
{
oneOf(occupancyFactory).create(occupancy, capacity);
will(returnValue(occupancyMeasure));
oneOf(linkOccupancyFactory).create(link, occupancyMeasure);
will(returnValue(linkOccupancy));
}
});
assertThat(link.occupancy(), is(linkOccupancy));
}
@Test
public void congestionReturnsValueOfOccupancyDividedByCapacity() throws Exception {
defineExpectationsForOccupancyOnCellChain();
defineExpectationsForCapacityOnCellChain();
assertThat(link.congestion(), is(0.4));
}