def test_text_input():
"""test_text_input
"""
text_filename = os.path.join(os.path.dirname(os.path.abspath(__file__)),
"test_text", "lorem.txt")
with open(text_filename, 'rb') as f:
lines = [line.strip() for line in f]
text_filename = "file://" + text_filename
gzip_text_filename = os.path.join(
os.path.dirname(os.path.abspath(__file__)), "test_text",
"lorem.txt.gz")
gzip_text_filename = "file://" + gzip_text_filename
lines = lines * 3
filenames = [text_filename, gzip_text_filename, text_filename]
dataset = text_io.TextDataset(filenames, batch=2)
iterator = dataset.make_initializable_iterator()
init_op = iterator.initializer
get_next = iterator.get_next()
with tf.compat.v1.Session() as sess:
sess.run(init_op)
for i in range(0, len(lines) - 2, 2):
v = sess.run(get_next)
assert lines[i] == v[0]
assert lines[i + 1] == v[1]
v = sess.run(get_next)
assert lines[len(lines) - 1] == v[0]
with pytest.raises(errors.OutOfRangeError):
sess.run(get_next)
def test_re2_extract():
"""test_text_input
"""
filename = os.path.join(os.path.dirname(os.path.abspath(__file__)),
"test_text", "lorem.txt")
with open(filename, 'rb') as f:
lines = [line.strip() for line in f]
filename = "file://" + filename
dataset = text_io.TextDataset(filename).map(
lambda x: text_io.re2_full_match(x, ".+(ipsum).+(dolor).+")).apply(
tf.data.experimental.unbatch())
i = 0
for v in dataset:
r, g = v
if re.match(".+(ipsum).+(dolor).+".encode(), lines[i]):
assert r.numpy()
assert g[0].numpy().decode() == "ipsum"
assert g[1].numpy().decode() == "dolor"
else:
assert not r.numpy()
assert g[0].numpy().decode() == ""
assert g[1].numpy().decode() == ""
i += 1
assert i == len(lines)
def test_text_input():
"""test_text_input
"""
text_filename = os.path.join(os.path.dirname(os.path.abspath(__file__)),
"test_text", "lorem.txt")
with open(text_filename, 'rb') as f:
lines = [line.strip() for line in f]
text_filename = "file://" + text_filename
gzip_text_filename = os.path.join(
os.path.dirname(os.path.abspath(__file__)), "test_text",
"lorem.txt.gz")
gzip_text_filename = "file://" + gzip_text_filename
lines = lines * 3
filenames = [text_filename, gzip_text_filename, text_filename]
text_dataset = text_io.TextDataset(filenames, batch=2)
i = 0
for v in text_dataset:
assert lines[i] == v.numpy()[0]
i += 1
if i < len(lines):
assert lines[i] == v.numpy()[1]
i += 1
assert i == len(lines)
def test_text_input():
"""test_text_input
"""
text_filename = os.path.join(os.path.dirname(os.path.abspath(__file__)),
"test_text", "lorem.txt")
with open(text_filename, 'rb') as f:
lines = [line.strip() for line in f]
text_filename = "file://" + text_filename
gzip_text_filename = os.path.join(
os.path.dirname(os.path.abspath(__file__)), "test_text",
"lorem.txt.gz")
gzip_text_filename = "file://" + gzip_text_filename
lines = lines * 3
filenames = [text_filename, gzip_text_filename, text_filename]
text_dataset = text_io.TextDataset(filenames, batch=2)
i = 0
for v in text_dataset:
assert lines[i] == v.numpy()[0]
i += 1
if i < len(lines):
assert lines[i] == v.numpy()[1]
i += 1
assert i == len(lines)
for batch in [1, 2, 3, 4, 5]:
rebatch_dataset = text_dataset.apply(core_io.rebatch(batch))
i = 0
for v in rebatch_dataset:
for vv in v.numpy():
assert lines[i] == vv
i += 1
assert i == len(lines)
rebatch_dataset = text_dataset.apply(core_io.rebatch(5, "drop"))
i = 0
for v in rebatch_dataset:
for vv in v.numpy():
assert lines[i] == vv
i += 1
assert i == 145
rebatch_dataset = text_dataset.apply(core_io.rebatch(5, "pad"))
i = 0
for v in rebatch_dataset:
for vv in v.numpy():
if i < len(lines):
assert lines[i] == vv
else:
assert vv.decode() == ""
i += 1
assert i == 150
def test_text_input():
"""test_text_input
"""
text_filename = os.path.join(
os.path.dirname(os.path.abspath(__file__)), "test_text", "lorem.txt")
with open(text_filename, 'rb') as f:
lines = [line.strip() for line in f]
text_filename = "file://" + text_filename
text_dataset = text_io.TextDataset(text_filename).apply(
tf.data.experimental.unbatch()).batch(2)
i = 0
for v in text_dataset:
assert lines[i] == v.numpy()[0]
i += 1
if i < len(lines):
assert lines[i] == v.numpy()[1]
i += 1
assert i == len(lines)
for batch in [1, 2, 3, 4, 5]:
rebatch_dataset = text_dataset.apply(core_io.rebatch(batch))
i = 0
for v in rebatch_dataset:
for vv in v.numpy():
assert lines[i] == vv
i += 1
assert i == len(lines)
rebatch_dataset = text_dataset.apply(core_io.rebatch(5, "drop"))
i = 0
for v in rebatch_dataset:
for vv in v.numpy():
assert lines[i] == vv
i += 1
assert i == 45
rebatch_dataset = text_dataset.apply(core_io.rebatch(5, "pad"))
i = 0
for v in rebatch_dataset:
for vv in v.numpy():
if i < len(lines):
assert lines[i] == vv
else:
assert vv.decode() == ""
i += 1
assert i == 50
def test_text_input():
"""test_text_input
"""
text_filename = os.path.join(os.path.dirname(os.path.abspath(__file__)),
"test_text", "lorem.txt")
with open(text_filename, 'rb') as f:
lines = [line.strip() for line in f]
text_filename = "file://" + text_filename
text_dataset = text_io.TextDataset(text_filename).apply(
tf.data.experimental.unbatch()).batch(2)
i = 0
for v in text_dataset:
assert lines[i] == v.numpy()[0]
i += 1
if i < len(lines):
assert lines[i] == v.numpy()[1]
i += 1
assert i == len(lines)
def test_text_output():
"""test_text_output"""
text_filename = os.path.join(os.path.dirname(os.path.abspath(__file__)),
"test_text", "lorem.txt")
with open(text_filename, 'rb') as f:
lines = [line.strip() for line in f]
text_filename = "file://" + text_filename
f, filename = tempfile.mkstemp()
os.close(f)
df = text_io.TextDataset(text_filename)
df = df.take(5)
text_io.save_text(df, filename)
with open(filename, 'rb') as f:
saved_lines = [line.strip() for line in f]
i = 0
for line in saved_lines:
assert lines[i] == line
i += 1
assert i == 5
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
# License for the specific language governing permissions and limitations under
# the License.
# ==============================================================================
"""Tests for TextDataset with stdin."""
import tensorflow as tf
if not (hasattr(tf, "version") and tf.version.VERSION.startswith("2.")):
tf.compat.v1.enable_eager_execution()
import tensorflow_io.text as text_io # pylint: disable=wrong-import-position
# Note: run the following:
# tshark -T fields -e frame.number -e ip.dst -e ip.proto -r attack-trace.pcap | python stdin_test.py
def f(v):
frame_number, ip_dst, ip_proto = tf.io.decode_csv(
v, [[0], [""], [0]], field_delim="\t"
)
return frame_number, ip_dst, ip_proto
text_dataset = text_io.TextDataset("file://-").map(f)
for (frame_number_value, ip_dst_value, ip_proto_value) in text_dataset:
print(ip_dst_value.numpy())