def test_empty_credentials_load(self, bad_credentials):
s3_data_set = HDFS3DataSet(
filepath=FILENAME,
bucket_name=BUCKET_NAME,
key="test_hdf",
credentials=bad_credentials,
)
pattern = r"Failed while loading data from data set HDFS3DataSet\(.+\)"
with pytest.raises(DataSetError, match=pattern):
s3_data_set.load()
def test_incorrect_credentials_load(self):
"""Test that incorrect credential keys won't instantiate dataset."""
pattern = "unexpected keyword argument"
with pytest.raises(TypeError, match=pattern):
HDFS3DataSet(
filepath=FILENAME,
bucket_name=BUCKET_NAME,
key="test_hdf",
credentials={"access_token": "TOKEN", "access_key": "KEY"},
)
def test_version_str_repr(self, load_version, save_version):
"""Test that version is in string representation of the class instance
when applicable."""
ds = HDFS3DataSet(filepath=FILENAME, bucket_name=BUCKET_NAME, key="test_hdf")
ds_versioned = HDFS3DataSet(
filepath=FILENAME,
bucket_name=BUCKET_NAME,
credentials=AWS_CREDENTIALS,
key="test_hdf",
version=Version(load_version, save_version),
)
assert FILENAME in str(ds)
assert "version" not in str(ds)
assert FILENAME in str(ds_versioned)
ver_str = "version=Version(load={}, save='{}')".format(
load_version, save_version
)
assert ver_str in str(ds_versioned)
def test_save_and_load_with_protocol(self, dummy_dataframe):
"""Test loading the data from S3."""
hdf_data_set = HDFS3DataSet(
filepath="s3://{}/{}".format(BUCKET_NAME, FILENAME),
credentials={
"aws_access_key_id": "YOUR_KEY",
"aws_secret_access_key": "YOUR SECRET",
},
key=HDF_KEY,
)
hdf_data_set.save(dummy_dataframe)
reloaded_df = hdf_data_set.load()
assert_frame_equal(reloaded_df, dummy_dataframe)
def test_exists(self, hdf_data_set, dummy_dataframe):
"""Test `exists` method invocation."""
# file does not exist
assert not hdf_data_set.exists()
# file and key exist
hdf_data_set.save(dummy_dataframe)
assert hdf_data_set.exists()
# file exists but the key does not
data_set2 = HDFS3DataSet(
filepath=FILENAME,
bucket_name=BUCKET_NAME,
key="test_hdf_different_key",
credentials=AWS_CREDENTIALS,
)
assert not data_set2.exists()