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1 | # Licensed to the Apache Software Foundation (ASF) under one |
2 | # or more contributor license agreements. See the NOTICE file | |
3 | # distributed with this work for additional information | |
4 | # regarding copyright ownership. The ASF licenses this file | |
5 | # to you under the Apache License, Version 2.0 (the | |
6 | # "License"); you may not use this file except in compliance | |
7 | # with the License. You may obtain a copy of the License at | |
8 | # | |
9 | # http://www.apache.org/licenses/LICENSE-2.0 | |
10 | # | |
11 | # Unless required by applicable law or agreed to in writing, | |
12 | # software distributed under the License is distributed on an | |
13 | # "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY | |
14 | # KIND, either express or implied. See the License for the | |
15 | # specific language governing permissions and limitations | |
16 | # under the License. | |
17 | ||
18 | class TestParquetArrowFileWriter < Test::Unit::TestCase | |
19 | include Helper::Buildable | |
20 | ||
21 | def setup | |
22 | omit("Parquet is required") unless defined?(::Parquet) | |
23 | @file = Tempfile.open(["data", ".parquet"]) | |
24 | end | |
25 | ||
26 | def test_write | |
27 | enabled_values = [true, nil, false, true] | |
28 | table = build_table("enabled" => build_boolean_array(enabled_values)) | |
29 | chunk_size = 2 | |
30 | ||
31 | writer = Parquet::ArrowFileWriter.new(table.schema, @file.path) | |
32 | writer.write_table(table, chunk_size) | |
33 | writer.close | |
34 | ||
35 | reader = Parquet::ArrowFileReader.new(@file.path) | |
36 | reader.use_threads = true | |
37 | assert_equal([ | |
38 | enabled_values.length / chunk_size, | |
39 | true, | |
40 | ], | |
41 | [ | |
42 | reader.n_row_groups, | |
43 | table.equal_metadata(reader.read_table, false), | |
44 | ]) | |
45 | end | |
46 | end |