// delWorkUnitsBy is the core of the DelWorkUnits tests that expect to
// delet single work units. It calls options(state) to get options
// to DelWorkUnits, and verifies that this deletes the single work unit
// associated with state.
func delWorkUnitsBy(t *testing.T, j *jobserver.JobServer, n int, state jobserver.WorkUnitStatus, options func(jobserver.WorkUnitStatus) map[string]interface{}) {
workSpecName, expected := prepareSomeOfEach(t, j, n)
delete(expected, stateShortName[state])
count, msg, err := j.DelWorkUnits(workSpecName, options(state))
if assert.NoError(t, err) {
assert.Equal(t, 1, count)
assert.Empty(t, msg)
}
listWorkUnits(t, j, workSpecName, gwuEverything, expected)
_, err = j.Clear()
assert.NoError(t, err)
}
