def test_compose_config():
compose_filter = ComposeFilter.TRIVIALFILTER
compose_config = ComposeConfig(compose_filter,
True) # Checked on debug print
# FST 1
fst1 = VectorFst()
s1 = fst1.add_state()
s2 = fst1.add_state()
s3 = fst1.add_state()
fst1.set_start(s1)
fst1.set_final(s2)
fst1.set_final(s3)
tr1_1 = Tr(1, 2, 1.0, s2)
fst1.add_tr(s1, tr1_1)
tr1_2 = Tr(1, 4, 2.0, s3)
fst1.add_tr(s1, tr1_2)
tr1_3 = Tr(3, 5, 2.0, s2)
fst1.add_tr(s2, tr1_3)
# FST 2
fst2 = VectorFst()
s1 = fst2.add_state()
s2 = fst2.add_state()
s3 = fst2.add_state()
fst2.set_start(s1)
fst2.set_final(s3)
tr2_1 = Tr(2, 6, 1.0, s2)
fst2.add_tr(s1, tr2_1)
tr2_2 = Tr(5, 7, 2.5, s3)
fst2.add_tr(s2, tr2_2)
tr2_3 = Tr(5, 8, 1.5, s3)
fst2.add_tr(s3, tr2_3)
tr2_4 = Tr(4, 9, 3.0, s3)
fst2.add_tr(s1, tr2_4)
# Expected FST
expected_fst = VectorFst()
s1 = expected_fst.add_state()
s2 = expected_fst.add_state()
s3 = expected_fst.add_state()
s4 = expected_fst.add_state()
expected_fst.set_start(s1)
expected_fst.set_final(s3)
expected_fst.set_final(s4)
tr3_1 = Tr(1, 6, 2.0, s2)
expected_fst.add_tr(s1, tr3_1)
tr3_2 = Tr(1, 9, 5.0, s3)
expected_fst.add_tr(s1, tr3_2)
tr3_3 = Tr(3, 7, 4.5, s4)
expected_fst.add_tr(s2, tr3_3)
tr3_4 = Tr(3, 8, 3.5, s4)
expected_fst.add_tr(s4, tr3_4)
fst3 = fst1.compose(fst2, compose_config)
assert fst3 == expected_fst
def test_compose_fst():
# FST 1
fst1 = VectorFst()
s1 = fst1.add_state()
s2 = fst1.add_state()
s3 = fst1.add_state()
fst1.set_start(s1)
fst1.set_final(s2)
fst1.set_final(s3)
tr1_1 = Tr(1, 2, 1.0, s2)
fst1.add_tr(s1, tr1_1)
tr1_2 = Tr(1, 4, 2.0, s3)
fst1.add_tr(s1, tr1_2)
tr1_3 = Tr(3, 5, 2.0, s2)
fst1.add_tr(s2, tr1_3)
# FST 2
fst2 = VectorFst()
s1 = fst2.add_state()
s2 = fst2.add_state()
s3 = fst2.add_state()
fst2.set_start(s1)
fst2.set_final(s3)
tr2_1 = Tr(2, 6, 1.0, s2)
fst2.add_tr(s1, tr2_1)
tr2_2 = Tr(5, 7, 2.5, s3)
fst2.add_tr(s2, tr2_2)
tr2_3 = Tr(5, 8, 1.5, s3)
fst2.add_tr(s3, tr2_3)
tr2_4 = Tr(4, 9, 3.0, s3)
fst2.add_tr(s1, tr2_4)
# Expected FST
expected_fst = VectorFst()
s1 = expected_fst.add_state()
s2 = expected_fst.add_state()
s3 = expected_fst.add_state()
s4 = expected_fst.add_state()
expected_fst.set_start(s1)
expected_fst.set_final(s3)
expected_fst.set_final(s4)
tr3_1 = Tr(1, 6, 2.0, s2)
expected_fst.add_tr(s1, tr3_1)
tr3_2 = Tr(1, 9, 5.0, s3)
expected_fst.add_tr(s1, tr3_2)
tr3_3 = Tr(3, 7, 4.5, s4)
expected_fst.add_tr(s2, tr3_3)
tr3_4 = Tr(3, 8, 3.5, s4)
expected_fst.add_tr(s4, tr3_4)
fst3 = fst1.compose(fst2)
assert fst3 == expected_fst