def CheckConversion(self, data_old, data_expected):
"""Given a data dictionary, test upgrading to current version.
Args:
data_old: TFLite model as a dictionary (arbitrary version).
data_expected: TFLite model as a dictionary (upgraded).
"""
converter = upgrade_schema_lib.Converter()
with tempfile.NamedTemporaryFile(suffix=".json", mode="w+") as in_json, \
tempfile.NamedTemporaryFile(
suffix=".json", mode="w+") as out_json, \
tempfile.NamedTemporaryFile(
suffix=".bin", mode="w+b") as out_bin, \
tempfile.NamedTemporaryFile(
suffix=".tflite", mode="w+b") as out_tflite:
JsonDumpAndFlush(data_old, in_json)
# Test JSON output
converter.Convert(in_json.name, out_json.name)
# Test binary output
# Convert to .tflite and then to .bin and check if binary is equal
converter.Convert(in_json.name, out_tflite.name)
converter.Convert(out_tflite.name, out_bin.name)
self.assertEqual(
open(out_bin.name, "rb").read(),
open(out_tflite.name, "rb").read())
# Test that conversion actually produced successful new json.
converted_schema = json.load(out_json)
self.assertEqual(converted_schema, data_expected)
def testInvalidExtension(self):
converter = upgrade_schema_lib.Converter()
invalid_extension = tempfile.mktemp(suffix=".foo")
with self.assertRaisesRegex(ValueError, "Invalid extension on input"):
converter.Convert(invalid_extension, invalid_extension)
with tempfile.NamedTemporaryFile(suffix=".json", mode="w+") as in_json:
JsonDumpAndFlush(EMPTY_TEST_SCHEMA_V1, in_json)
with self.assertRaisesRegex(ValueError, "Invalid extension on output"):
converter.Convert(in_json.name, invalid_extension)
def testNonExistentFile(self):
converter = upgrade_schema_lib.Converter()
non_existent = tempfile.mktemp(suffix=".json")
with self.assertRaisesRegexp(IOError, "No such file or directory"):
converter.Convert(non_existent, non_existent)
