1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
|
import pytest
from streamz.dataframe.utils import is_dataframe_like, is_series_like, \
is_index_like, get_base_frame_type, get_dataframe_package
import pandas as pd
import numpy as np
def test_utils_get_base_frame_type_pandas():
with pytest.raises(TypeError):
get_base_frame_type("DataFrame", is_dataframe_like, None)
df = pd.DataFrame({'x': np.arange(10, dtype=float), 'y': [1.0, 2.0] * 5})
assert pd.DataFrame == get_base_frame_type("DataFrame", is_dataframe_like, df)
with pytest.raises(TypeError):
get_base_frame_type("Series", is_series_like, df)
with pytest.raises(TypeError):
get_base_frame_type("Index", is_index_like, df)
# casts Series to DataFrame, if that's what we ask for
assert pd.DataFrame == get_base_frame_type("DataFrame", is_dataframe_like, df.x)
assert pd.Series == get_base_frame_type("Series", is_series_like, df.x)
with pytest.raises(TypeError):
get_base_frame_type("Index", is_index_like, df.x)
# casts Series to DataFrame, if that's what we ask for
assert pd.DataFrame == get_base_frame_type("DataFrame", is_dataframe_like, df.index)
with pytest.raises(TypeError):
get_base_frame_type("Series", is_series_like, df.index)
assert issubclass(get_base_frame_type("Index", is_index_like, df.index), pd.Index)
def test_utils_get_base_frame_type_cudf():
cudf = pytest.importorskip("cudf")
df = cudf.DataFrame({'x': np.arange(10, dtype=float), 'y': [1.0, 2.0] * 5})
assert cudf.DataFrame == get_base_frame_type("DataFrame", is_dataframe_like, df)
with pytest.raises(TypeError):
get_base_frame_type("Series", is_series_like, df)
with pytest.raises(TypeError):
get_base_frame_type("Index", is_index_like, df)
with pytest.raises(TypeError):
get_base_frame_type("DataFrame", is_dataframe_like, df.x)
assert cudf.Series == get_base_frame_type("Series", is_series_like, df.x)
with pytest.raises(TypeError):
get_base_frame_type("Index", is_index_like, df.x)
with pytest.raises(TypeError):
get_base_frame_type("DataFrame", is_dataframe_like, df.index)
with pytest.raises(TypeError):
get_base_frame_type("Series", is_series_like, df.index)
assert issubclass(get_base_frame_type("Index", is_index_like, df.index), cudf.Index)
def test_get_dataframe_package_pandas():
df = pd.DataFrame({'x': np.arange(10, dtype=float), 'y': [1.0, 2.0] * 5})
assert pd == get_dataframe_package(df)
assert pd == get_dataframe_package(df.x)
assert pd == get_dataframe_package(df.index)
def test_get_dataframe_package_cudf():
cudf = pytest.importorskip("cudf")
df = cudf.DataFrame({'x': np.arange(10, dtype=float), 'y': [1.0, 2.0] * 5})
assert cudf == get_dataframe_package(df)
assert cudf == get_dataframe_package(df.x)
assert cudf == get_dataframe_package(df.index)
|
