1 files changed, 185 insertions, 0 deletions
diff --git a/src/arrow/python/pyarrow/tests/test_misc.py b/src/arrow/python/pyarrow/tests/test_misc.py
new file mode 100644
index 000000000..012f15e16
--- /dev/null
+++ b/src/arrow/python/pyarrow/tests/test_misc.py
@@ -0,0 +1,185 @@
+# 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.
+
+import os
+import subprocess
+import sys
+
+import pytest
+
+import pyarrow as pa
+
+
+def test_get_include():
+    include_dir = pa.get_include()
+    assert os.path.exists(os.path.join(include_dir, 'arrow', 'api.h'))
+
+
+@pytest.mark.skipif('sys.platform != "win32"')
+def test_get_library_dirs_win32():
+    assert any(os.path.exists(os.path.join(directory, 'arrow.lib'))
+               for directory in pa.get_library_dirs())
+
+
+def test_cpu_count():
+    n = pa.cpu_count()
+    assert n > 0
+    try:
+        pa.set_cpu_count(n + 5)
+        assert pa.cpu_count() == n + 5
+    finally:
+        pa.set_cpu_count(n)
+
+
+def test_io_thread_count():
+    n = pa.io_thread_count()
+    assert n > 0
+    try:
+        pa.set_io_thread_count(n + 5)
+        assert pa.io_thread_count() == n + 5
+    finally:
+        pa.set_io_thread_count(n)
+
+
+def test_build_info():
+    assert isinstance(pa.cpp_build_info, pa.BuildInfo)
+    assert isinstance(pa.cpp_version_info, pa.VersionInfo)
+    assert isinstance(pa.cpp_version, str)
+    assert isinstance(pa.__version__, str)
+    assert pa.cpp_build_info.version_info == pa.cpp_version_info
+
+    # assert pa.version == pa.__version__  # XXX currently false
+
+
+def test_runtime_info():
+    info = pa.runtime_info()
+    assert isinstance(info, pa.RuntimeInfo)
+    possible_simd_levels = ('none', 'sse4_2', 'avx', 'avx2', 'avx512')
+    assert info.simd_level in possible_simd_levels
+    assert info.detected_simd_level in possible_simd_levels
+
+    if info.simd_level != 'none':
+        env = os.environ.copy()
+        env['ARROW_USER_SIMD_LEVEL'] = 'none'
+        code = f"""if 1:
+            import pyarrow as pa
+
+            info = pa.runtime_info()
+            assert info.simd_level == 'none', info.simd_level
+            assert info.detected_simd_level == {info.detected_simd_level!r},\
+                info.detected_simd_level
+            """
+        subprocess.check_call([sys.executable, "-c", code], env=env)
+
+
+@pytest.mark.parametrize('klass', [
+    pa.Field,
+    pa.Schema,
+    pa.ChunkedArray,
+    pa.RecordBatch,
+    pa.Table,
+    pa.Buffer,
+    pa.Array,
+    pa.Tensor,
+    pa.DataType,
+    pa.ListType,
+    pa.LargeListType,
+    pa.FixedSizeListType,
+    pa.UnionType,
+    pa.SparseUnionType,
+    pa.DenseUnionType,
+    pa.StructType,
+    pa.Time32Type,
+    pa.Time64Type,
+    pa.TimestampType,
+    pa.Decimal128Type,
+    pa.Decimal256Type,
+    pa.DictionaryType,
+    pa.FixedSizeBinaryType,
+    pa.NullArray,
+    pa.NumericArray,
+    pa.IntegerArray,
+    pa.FloatingPointArray,
+    pa.BooleanArray,
+    pa.Int8Array,
+    pa.Int16Array,
+    pa.Int32Array,
+    pa.Int64Array,
+    pa.UInt8Array,
+    pa.UInt16Array,
+    pa.UInt32Array,
+    pa.UInt64Array,
+    pa.ListArray,
+    pa.LargeListArray,
+    pa.MapArray,
+    pa.FixedSizeListArray,
+    pa.UnionArray,
+    pa.BinaryArray,
+    pa.StringArray,
+    pa.FixedSizeBinaryArray,
+    pa.DictionaryArray,
+    pa.Date32Array,
+    pa.Date64Array,
+    pa.TimestampArray,
+    pa.Time32Array,
+    pa.Time64Array,
+    pa.DurationArray,
+    pa.Decimal128Array,
+    pa.Decimal256Array,
+    pa.StructArray,
+    pa.Scalar,
+    pa.BooleanScalar,
+    pa.Int8Scalar,
+    pa.Int16Scalar,
+    pa.Int32Scalar,
+    pa.Int64Scalar,
+    pa.UInt8Scalar,
+    pa.UInt16Scalar,
+    pa.UInt32Scalar,
+    pa.UInt64Scalar,
+    pa.HalfFloatScalar,
+    pa.FloatScalar,
+    pa.DoubleScalar,
+    pa.Decimal128Scalar,
+    pa.Decimal256Scalar,
+    pa.Date32Scalar,
+    pa.Date64Scalar,
+    pa.Time32Scalar,
+    pa.Time64Scalar,
+    pa.TimestampScalar,
+    pa.DurationScalar,
+    pa.StringScalar,
+    pa.BinaryScalar,
+    pa.FixedSizeBinaryScalar,
+    pa.ListScalar,
+    pa.LargeListScalar,
+    pa.MapScalar,
+    pa.FixedSizeListScalar,
+    pa.UnionScalar,
+    pa.StructScalar,
+    pa.DictionaryScalar,
+    pa.ipc.Message,
+    pa.ipc.MessageReader,
+    pa.MemoryPool,
+    pa.LoggingMemoryPool,
+    pa.ProxyMemoryPool,
+])
+def test_extension_type_constructor_errors(klass):
+    # ARROW-2638: prevent calling extension class constructors directly
+    msg = "Do not call {cls}'s constructor directly, use .* instead."
+    with pytest.raises(TypeError, match=msg.format(cls=klass.__name__)):
+        klass()