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
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
|
# Licensed to the Apache Software Foundation (ASF) under one
# or more contributor license agreements. See the NOTICE file
# distributed with this work for additional information
# regarding copyright ownership. The ASF licenses this file
# to you under the Apache License, Version 2.0 (the
# "License"); you may not use this file except in compliance
# with the License. You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# 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.
class TestMapArrayBuilder < Test::Unit::TestCase
include Helper::Buildable
def setup
offsets = build_int32_array([0, 2, 5])
keys = build_string_array(["a", "b", "c", "d", "e"])
items = build_int16_array([0, 1, 2, 3, 4])
@map_array = Arrow::MapArray.new(offsets,
keys,
items)
key_type = Arrow::StringDataType.new
item_type = Arrow::Int16DataType.new
data_type = Arrow::MapDataType.new(key_type, item_type)
@builder = Arrow::MapArrayBuilder.new(data_type)
end
def test_append_value
key_builder = @builder.key_builder
item_builder = @builder.item_builder
@builder.append_value
key_builder.append_string("a")
key_builder.append_string("b")
item_builder.append_value(0)
item_builder.append_value(1)
@builder.append_value
key_builder.append_string("c")
key_builder.append_string("d")
key_builder.append_string("e")
item_builder.append_value(2)
item_builder.append_value(3)
item_builder.append_value(4)
array = @builder.finish
assert_equal([
@map_array.get_value(0),
@map_array.get_value(1)
],
[
array.get_value(0),
array.get_value(1)
])
end
def test_append_values
key_builder = @builder.key_builder
item_builder = @builder.item_builder
@builder.append_values([0, 2, 5])
key_builder.append_strings(["a", "b", "c", "d", "e"])
item_builder.append_values([0, 1, 2, 3, 4])
array = @builder.finish
assert_equal([
@map_array.get_value(0),
@map_array.get_value(1)
],
[
array.get_value(0),
array.get_value(1)
])
end
def test_append_structs
value_builder = @builder.value_builder
@builder.append_value
value_builder.append_value
value_builder.get_field_builder(0).append_string("a")
value_builder.get_field_builder(0).append_string("b")
value_builder.get_field_builder(1).append_value(0)
value_builder.get_field_builder(1).append_value(1)
@builder.append_value
value_builder.append_value
value_builder.get_field_builder(0).append_string("c")
value_builder.get_field_builder(0).append_string("d")
value_builder.get_field_builder(0).append_string("e")
value_builder.get_field_builder(1).append_value(2)
value_builder.get_field_builder(1).append_value(3)
value_builder.get_field_builder(1).append_value(4)
array = @builder.finish
assert_equal([
@map_array.get_value(0),
@map_array.get_value(1)
],
[
array.get_value(0),
array.get_value(1)
])
end
def test_append_null
@builder.append_null
@builder.append_null
array = @builder.finish
assert_equal(2, array.n_nulls)
end
def test_append_nulls
@builder.append_nulls(2)
array = @builder.finish
assert_equal(2, array.n_nulls)
end
def test_append_empty_value
offsets = build_int32_array([0, 0])
keys = build_string_array([])
items = build_int16_array([])
expected_array = Arrow::MapArray.new(offsets, keys, items)
@builder.append_empty_value
assert_equal(expected_array,
@builder.finish)
end
def test_append_empty_values
offsets = build_int32_array([0, 0, 0, 0])
keys = build_string_array([])
items = build_int16_array([])
expected_array = Arrow::MapArray.new(offsets, keys, items)
@builder.append_empty_values(3)
assert_equal(expected_array,
@builder.finish)
end
end
|
