def test_structure_roundtrip(pytestconfig, specimen_id, strict, tmp_path):
"""Test that pandasdmx.ML StructureMessages can be 'round-tripped'."""
# Read a specimen file
with specimen(specimen_id) as f:
msg0 = pandasdmx.read_sdmx(f)
# Write to file
path = tmp_path / "output.xml"
path.write_bytes(pandasdmx.to_xml(msg0, pretty_print=True))
# Read again
msg1 = pandasdmx.read_sdmx(path)
# Contents are identical
assert msg0.compare(msg1, strict), (
path.read_text() if pytestconfig.getoption("verbose") else path
)
def test_structuremessage(tmp_path, structuremessage):
result = pandasdmx.to_xml(structuremessage, pretty_print=True)
print(result.decode())
# Message can be round-tripped to/from file
path = tmp_path / "output.xml"
path.write_bytes(result)
msg = pandasdmx.read_sdmx(path)
# Contents match the original object
assert (
msg.codelist["CL_COLLECTION"]["A"].name["en"]
== structuremessage.codelist["CL_COLLECTION"]["A"].name["en"]
)
# False because `structuremessage` lacks URNs, which are constructed automatically
# by `to_xml`
assert not msg.compare(structuremessage, strict=True)
# Compares equal when allowing this difference
assert msg.compare(structuremessage, strict=False)
def test_data_roundtrip(pytestconfig, data_id, structure_id, tmp_path):
"""Test that SDMX-ML DataMessages can be 'round-tripped'."""
# Read structure from file
with specimen(structure_id) as f:
dsd = pandasdmx.read_sdmx(f).structure[0]
# Read data from file, using the DSD
with specimen(data_id) as f:
msg0 = pandasdmx.read_sdmx(f, dsd=dsd)
# Write to file
path = tmp_path / "output.xml"
path.write_bytes(pandasdmx.to_xml(msg0, pretty_print=True))
# Read again, using the same DSD
msg1 = pandasdmx.read_sdmx(path, dsd=dsd)
# Contents are identical
assert msg0.compare(msg1, strict=True), (
path.read_text() if pytestconfig.getoption("verbose") else path
)
def test_not_implemented():
msg = DataMessage()
with pytest.raises(NotImplementedError, match="write DataMessage to XML"):
pandasdmx.to_xml(msg)
def test_codelist(tmp_path, codelist):
result = pandasdmx.to_xml(codelist, pretty_print=True)
print(result.decode())
