def test_impart_programs():
dbf = ProgramFilter(db)
programs = {"prg1.py", "prg2.py", "non_existing_program"}
dbf.impart_programs(programs)
print(sorted(dbf.selected_programs))
assert dbf.selected_programs.keys() == set(db["programs"]) - set(programs)
print(sorted(dbf.imparted_knowledge))
assert set(db["taxons"]) - dbf.imparted_knowledge == {
"O/C/F",
"O/C/F/U",
"X/S/M/L/R/D/A",
"Y/E",
}
def test_impart_programs():
# The program collatz_print.py is self-contained. Imparting it excludes it from the selection,
# but has no other effect.
dbf = ProgramFilter(db)
dbf.impart_programs({"collatz_print.py"})
print(set(dbf.selected_programs.keys()))
assert set(dbf.selected_programs.keys()) == {
"assignment.py",
"fizzbuzz.py",
"is_even.py",
}
# The program fizzbuzz.py imports collatz_print.py. Imparting the former implies that the
# latter has already been studied, and must be excluded from the selection.
dbf = ProgramFilter(db)
dbf.impart_programs({"fizzbuzz.py"})
print(set(dbf.selected_programs.keys()))
assert set(dbf.selected_programs.keys()) == {"assignment.py", "is_even.py"}
# The program is_even.py imports collatz_print.py, which imports collatz_print.py. Imparting
# the former excludes the three of them from the selection.
dbf = ProgramFilter(db)
dbf.impart_programs({"is_even.py"})
print(set(dbf.selected_programs.keys()))
assert set(dbf.selected_programs.keys()) == {"assignment.py"}
