mirror of
https://github.com/vale981/ray
synced 2025-03-06 10:31:39 -05:00
307 lines
9.4 KiB
Python
307 lines
9.4 KiB
Python
import numpy as np
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import unittest
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import ray
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from ray.rllib.policy.sample_batch import SampleBatch
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from ray.rllib.utils.compression import is_compressed
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from ray.rllib.utils.test_utils import check
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class TestSampleBatch(unittest.TestCase):
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@classmethod
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def setUpClass(cls) -> None:
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ray.init()
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@classmethod
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def tearDownClass(cls) -> None:
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ray.shutdown()
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def test_len_and_size_bytes(self):
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s1 = SampleBatch({
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"a": np.array([1, 2, 3]),
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"b": {
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"c": np.array([4, 5, 6])
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},
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SampleBatch.SEQ_LENS: [1, 2],
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})
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check(len(s1), 3)
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check(
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s1.size_bytes(), s1["a"].nbytes + s1["b"]["c"].nbytes +
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s1[SampleBatch.SEQ_LENS].nbytes)
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def test_dict_properties_of_sample_batches(self):
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base_dict = {
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"a": np.array([1, 2, 3]),
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"b": np.array([[0.1, 0.2], [0.3, 0.4]]),
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"c": True,
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}
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batch = SampleBatch(base_dict)
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keys_ = list(base_dict.keys())
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values_ = list(base_dict.values())
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items_ = list(base_dict.items())
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assert list(batch.keys()) == keys_
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assert list(batch.values()) == values_
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assert list(batch.items()) == items_
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# Add an item and check, whether it's in the "added" list.
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batch["d"] = np.array(1)
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assert batch.added_keys == {"d"}, batch.added_keys
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# Access two keys and check, whether they are in the
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# "accessed" list.
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print(batch["a"], batch["b"])
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assert batch.accessed_keys == {"a", "b"}, batch.accessed_keys
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# Delete a key and check, whether it's in the "deleted" list.
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del batch["c"]
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assert batch.deleted_keys == {"c"}, batch.deleted_keys
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def test_right_zero_padding(self):
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"""Tests, whether right-zero-padding work properly."""
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s1 = SampleBatch({
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"a": np.array([1, 2, 3]),
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"b": {
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"c": np.array([4, 5, 6])
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},
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SampleBatch.SEQ_LENS: [1, 2],
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})
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s1.right_zero_pad(max_seq_len=5)
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check(
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s1, {
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"a": [1, 0, 0, 0, 0, 2, 3, 0, 0, 0],
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"b": {
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"c": [4, 0, 0, 0, 0, 5, 6, 0, 0, 0]
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},
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SampleBatch.SEQ_LENS: [1, 2]
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})
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def test_concat(self):
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"""Tests, SampleBatches.concat() and ...concat_samples()."""
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s1 = SampleBatch({
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"a": np.array([1, 2, 3]),
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"b": {
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"c": np.array([4, 5, 6])
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},
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})
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s2 = SampleBatch({
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"a": np.array([2, 3, 4]),
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"b": {
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"c": np.array([5, 6, 7])
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},
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})
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concatd = SampleBatch.concat_samples([s1, s2])
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check(concatd["a"], [1, 2, 3, 2, 3, 4])
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check(concatd["b"]["c"], [4, 5, 6, 5, 6, 7])
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check(next(concatd.rows()), {"a": 1, "b": {"c": 4}})
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concatd_2 = s1.concat(s2)
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check(concatd, concatd_2)
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def test_concat_max_seq_len(self):
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"""Tests, SampleBatches.concat_samples() max_seq_len."""
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s1 = SampleBatch({
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"a": np.array([1, 2, 3]),
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"b": {
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"c": np.array([4, 5, 6])
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},
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SampleBatch.SEQ_LENS: [1, 2]
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})
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s2 = SampleBatch({
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"a": np.array([2, 3, 4]),
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"b": {
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"c": np.array([5, 6, 7])
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},
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SampleBatch.SEQ_LENS: [3]
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})
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s3 = SampleBatch({
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"a": np.array([2, 3, 4]),
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"b": {
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"c": np.array([5, 6, 7])
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},
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})
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concatd = SampleBatch.concat_samples([s1, s2])
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check(concatd.max_seq_len, s2.max_seq_len)
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with self.assertRaises(ValueError):
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SampleBatch.concat_samples([s1, s2, s3])
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def test_rows(self):
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s1 = SampleBatch({
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"a": np.array([[1, 1], [2, 2], [3, 3]]),
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"b": {
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"c": np.array([[4, 4], [5, 5], [6, 6]])
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},
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SampleBatch.SEQ_LENS: np.array([1, 2]),
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})
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check(
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next(s1.rows()),
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{
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"a": [1, 1],
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"b": {
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"c": [4, 4]
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},
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SampleBatch.SEQ_LENS: [1]
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},
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)
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def test_compression(self):
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"""Tests, whether compression and decompression work properly."""
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s1 = SampleBatch({
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"a": np.array([1, 2, 3, 2, 3, 4]),
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"b": {
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"c": np.array([4, 5, 6, 5, 6, 7])
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},
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})
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# Test, whether compressing happens in-place.
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s1.compress(columns={"a", "b"}, bulk=True)
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self.assertTrue(is_compressed(s1["a"]))
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self.assertTrue(is_compressed(s1["b"]["c"]))
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self.assertTrue(isinstance(s1["b"], dict))
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# Test, whether de-compressing happens in-place.
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s1.decompress_if_needed(columns={"a", "b"})
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check(s1["a"], [1, 2, 3, 2, 3, 4])
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check(s1["b"]["c"], [4, 5, 6, 5, 6, 7])
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it = s1.rows()
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next(it)
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check(next(it), {"a": 2, "b": {"c": 5}})
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def test_slicing(self):
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"""Tests, whether slicing can be done on SampleBatches."""
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s1 = SampleBatch({
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"a": np.array([1, 2, 3, 2, 3, 4]),
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"b": {
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"c": np.array([4, 5, 6, 5, 6, 7])
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},
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})
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check(s1[:3], {
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"a": [1, 2, 3],
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"b": {
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"c": [4, 5, 6]
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},
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})
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check(s1[0:3], {
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"a": [1, 2, 3],
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"b": {
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"c": [4, 5, 6]
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},
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})
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check(s1[1:4], {
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"a": [2, 3, 2],
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"b": {
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"c": [5, 6, 5]
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},
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})
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check(s1[1:], {
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"a": [2, 3, 2, 3, 4],
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"b": {
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"c": [5, 6, 5, 6, 7]
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},
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})
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check(s1[3:4], {
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"a": [2],
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"b": {
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"c": [5]
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},
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})
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# When we change the slice, the original SampleBatch should also
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# change (shared underlying data).
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s1[:3]["a"][0] = 100
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s1[1:2]["a"][0] = 200
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check(s1["a"][0], 100)
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check(s1["a"][1], 200)
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# Seq-len batches should be auto-sliced along sequences,
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# no matter what.
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s2 = SampleBatch({
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"a": np.array([1, 2, 3, 2, 3, 4]),
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"b": {
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"c": np.array([4, 5, 6, 5, 6, 7])
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},
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SampleBatch.SEQ_LENS: [2, 3, 1],
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"state_in_0": [1.0, 3.0, 4.0],
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})
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# We would expect a=[1, 2, 3] now, but due to the sequence
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# boundary, we stop earlier.
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check(
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s2[:3], {
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"a": [1, 2],
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"b": {
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"c": [4, 5]
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},
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SampleBatch.SEQ_LENS: [2],
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"state_in_0": [1.0],
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})
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# Split exactly at a seq-len boundary.
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check(
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s2[:5], {
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"a": [1, 2, 3, 2, 3],
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"b": {
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"c": [4, 5, 6, 5, 6]
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},
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SampleBatch.SEQ_LENS: [2, 3],
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"state_in_0": [1.0, 3.0],
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})
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# Split above seq-len boundary.
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check(
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s2[:50], {
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"a": [1, 2, 3, 2, 3, 4],
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"b": {
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"c": [4, 5, 6, 5, 6, 7]
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},
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SampleBatch.SEQ_LENS: [2, 3, 1],
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"state_in_0": [1.0, 3.0, 4.0],
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})
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check(
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s2[:], {
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"a": [1, 2, 3, 2, 3, 4],
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"b": {
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"c": [4, 5, 6, 5, 6, 7]
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},
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SampleBatch.SEQ_LENS: [2, 3, 1],
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"state_in_0": [1.0, 3.0, 4.0],
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})
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def test_copy(self):
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s = SampleBatch({
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"a": np.array([1, 2, 3, 2, 3, 4]),
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"b": {
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"c": np.array([4, 5, 6, 5, 6, 7])
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},
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SampleBatch.SEQ_LENS: [2, 3, 1],
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"state_in_0": [1.0, 3.0, 4.0],
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})
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s_copy = s.copy(shallow=False)
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s_copy["a"][0] = 100
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s_copy["b"]["c"][0] = 200
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s_copy[SampleBatch.SEQ_LENS][0] = 3
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s_copy[SampleBatch.SEQ_LENS][1] = 2
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s_copy["state_in_0"][0] = 400.0
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self.assertNotEqual(s["a"][0], s_copy["a"][0])
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self.assertNotEqual(s["b"]["c"][0], s_copy["b"]["c"][0])
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self.assertNotEqual(s[SampleBatch.SEQ_LENS][0],
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s_copy[SampleBatch.SEQ_LENS][0])
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self.assertNotEqual(s[SampleBatch.SEQ_LENS][1],
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s_copy[SampleBatch.SEQ_LENS][1])
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self.assertNotEqual(s["state_in_0"][0], s_copy["state_in_0"][0])
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s_copy = s.copy(shallow=True)
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s_copy["a"][0] = 100
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s_copy["b"]["c"][0] = 200
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s_copy[SampleBatch.SEQ_LENS][0] = 3
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s_copy[SampleBatch.SEQ_LENS][1] = 2
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s_copy["state_in_0"][0] = 400.0
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self.assertEqual(s["a"][0], s_copy["a"][0])
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self.assertEqual(s["b"]["c"][0], s_copy["b"]["c"][0])
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self.assertEqual(s[SampleBatch.SEQ_LENS][0],
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s_copy[SampleBatch.SEQ_LENS][0])
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self.assertEqual(s[SampleBatch.SEQ_LENS][1],
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s_copy[SampleBatch.SEQ_LENS][1])
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self.assertEqual(s["state_in_0"][0], s_copy["state_in_0"][0])
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if __name__ == "__main__":
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import pytest
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import sys
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sys.exit(pytest.main(["-v", __file__]))
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