FM / testing

/usr/local/lib64/python3.6/site-packages/pyarrow/include/arrow/testing/

/usr/local/lib64/python3.6/site-packages/pyarrow/include/arrow/testing

Name	Size	Mode	Actions
async_test_util.h	1539	0644	edit dl rm
executor_util.h	1885	0644	edit dl rm
extension_type.h	5007	0644	edit dl rm
future_util.h	6246	0644	edit dl rm
generator.h	8645	0644	edit dl rm
gtest_common.h	4207	0644	edit dl rm
gtest_compat.h	1299	0644	edit dl rm
gtest_util.h	28752	0644	edit dl rm
json_integration.h	4204	0644	edit dl rm
matchers.h	8781	0644	edit dl rm
pch.h	1204	0644	edit dl rm
random.h	21542	0644	edit dl rm
uniform_real.h	2969	0644	edit dl rm
util.h	6817	0644	edit dl rm
visibility.h	1548	0644	edit dl rm

Edit: /usr/local/lib64/python3.6/site-packages/pyarrow/include/arrow/testing/gtest_common.h (4207B)

// 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.

#pragma once

#include <cstdint>
#include <memory>
#include <random>
#include <string>
#include <utility>
#include <vector>

#include <gtest/gtest.h>

#include "arrow/array.h"
#include "arrow/array/builder_binary.h"
#include "arrow/array/builder_primitive.h"
#include "arrow/testing/gtest_util.h"
#include "arrow/testing/util.h"
#include "arrow/type_fwd.h"

namespace arrow {

class TestBase : public ::testing::Test {
 public:
  void SetUp() {
    pool_ = default_memory_pool();
    random_seed_ = 0;
  }

std::shared_ptr<Buffer> MakeRandomNullBitmap(int64_t length, int64_t null_count) {
    const int64_t null_nbytes = BitUtil::BytesForBits(length);

std::shared_ptr<Buffer> null_bitmap = *AllocateBuffer(null_nbytes, pool_);
    memset(null_bitmap->mutable_data(), 255, null_nbytes);
    for (int64_t i = 0; i < null_count; i++) {
      BitUtil::ClearBit(null_bitmap->mutable_data(), i * (length / null_count));
    }
    return null_bitmap;
  }

template <typename ArrayType>
  inline std::shared_ptr<Array> MakeRandomArray(int64_t length, int64_t null_count = 0);

protected:
  uint32_t random_seed_;
  MemoryPool* pool_;
};

template <typename ArrayType>
std::shared_ptr<Array> TestBase::MakeRandomArray(int64_t length, int64_t null_count) {
  const int64_t data_nbytes = length * sizeof(typename ArrayType::value_type);
  auto data = *AllocateBuffer(data_nbytes, pool_);

// Fill with random data
  random_bytes(data_nbytes, random_seed_++, data->mutable_data());
  std::shared_ptr<Buffer> null_bitmap = MakeRandomNullBitmap(length, null_count);

return std::make_shared<ArrayType>(length, std::move(data), null_bitmap, null_count);
}

template <>
inline std::shared_ptr<Array> TestBase::MakeRandomArray<NullArray>(int64_t length,
                                                                   int64_t null_count) {
  return std::make_shared<NullArray>(length);
}

template <>
inline std::shared_ptr<Array> TestBase::MakeRandomArray<FixedSizeBinaryArray>(
    int64_t length, int64_t null_count) {
  const int byte_width = 10;
  std::shared_ptr<Buffer> null_bitmap = MakeRandomNullBitmap(length, null_count);
  auto data = *AllocateBuffer(byte_width * length, pool_);

::arrow::random_bytes(data->size(), 0, data->mutable_data());
  return std::make_shared<FixedSizeBinaryArray>(fixed_size_binary(byte_width), length,
                                                std::move(data), null_bitmap, null_count);
}

template <>
inline std::shared_ptr<Array> TestBase::MakeRandomArray<BinaryArray>(int64_t length,
                                                                     int64_t null_count) {
  std::vector<uint8_t> valid_bytes(length, 1);
  for (int64_t i = 0; i < null_count; i++) {
    valid_bytes[i * 2] = 0;
  }
  BinaryBuilder builder(pool_);

const int kBufferSize = 10;
  uint8_t buffer[kBufferSize];
  for (int64_t i = 0; i < length; i++) {
    if (!valid_bytes[i]) {
      ARROW_EXPECT_OK(builder.AppendNull());
    } else {
      ::arrow::random_bytes(kBufferSize, static_cast<uint32_t>(i), buffer);
      ARROW_EXPECT_OK(builder.Append(buffer, kBufferSize));
    }
  }

std::shared_ptr<Array> out;
  ARROW_EXPECT_OK(builder.Finish(&out));
  return out;
}

class TestBuilder : public ::testing::Test {
 public:
  void SetUp() { pool_ = default_memory_pool(); }

protected:
  MemoryPool* pool_;
  std::shared_ptr<DataType> type_;
};

}  // namespace arrow

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