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authorDevtools Arcadia <arcadia-devtools@yandex-team.ru>2022-02-07 18:08:42 +0300
committerDevtools Arcadia <arcadia-devtools@mous.vla.yp-c.yandex.net>2022-02-07 18:08:42 +0300
commit1110808a9d39d4b808aef724c861a2e1a38d2a69 (patch)
treee26c9fed0de5d9873cce7e00bc214573dc2195b7 /util/memory/blob_ut.pyx
downloadydb-1110808a9d39d4b808aef724c861a2e1a38d2a69.tar.gz
intermediate changes
ref:cde9a383711a11544ce7e107a78147fb96cc4029
Diffstat (limited to 'util/memory/blob_ut.pyx')
-rw-r--r--util/memory/blob_ut.pyx141
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diff --git a/util/memory/blob_ut.pyx b/util/memory/blob_ut.pyx
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+# cython: c_string_type=str, c_string_encoding=utf8
+
+from libcpp.string cimport string as std_string
+from util.generic.string cimport TString
+from util.memory.blob cimport TBlob
+
+import pytest
+import unittest
+
+
+class TestBlob(unittest.TestCase):
+ def test_ctor(self):
+ cdef TBlob tmp = TBlob()
+ cdef TBlob tmp2 = TBlob(tmp)
+ self.assertEquals(tmp.Size(), 0)
+ self.assertEquals(tmp2.Size(), 0)
+
+ def test_empty_data(self):
+ cdef TBlob tmp = TBlob()
+ self.assertEquals(tmp.Data() == NULL, True)
+ self.assertEquals(tmp.AsCharPtr() == NULL, True)
+ self.assertEquals(tmp.AsUnsignedCharPtr() == NULL, True)
+ self.assertEquals(tmp.Empty(), True)
+ self.assertEquals(tmp.IsNull(), True)
+
+ def test_empty_is_null(self):
+ cdef TBlob tmp = TBlob.NoCopy("", 0)
+ self.assertEquals(tmp.Empty(), True)
+ self.assertEquals(tmp.IsNull(), False)
+
+ def test_data_types(self):
+ cdef const char* char_data = TBlob().AsCharPtr()
+ cdef const unsigned char* uchar_data = TBlob().AsUnsignedCharPtr()
+ cdef const void* void_data = TBlob().Data()
+
+ def test_no_copy(self):
+ cdef const char* txt = "hello world"
+ cdef TBlob tmp = TBlob.NoCopy(txt, len(txt))
+ self.assertEquals(tmp.AsCharPtr() - txt, 0)
+ self.assertEquals(tmp.Size(), 11)
+ self.assertEquals(tmp.AsCharPtr()[:tmp.Size()], "hello world")
+ self.assertEquals(tmp.Empty(), False)
+ self.assertEquals(tmp.IsNull(), False)
+
+ def test_copy(self):
+ cdef const char* txt = "hello world"
+ cdef TBlob tmp = TBlob.Copy(txt, len(txt))
+ self.assertNotEquals(tmp.AsCharPtr() - txt, 0)
+ self.assertEquals(tmp.Size(), 11)
+ self.assertEquals(tmp.AsCharPtr()[:tmp.Size()], "hello world")
+ self.assertEquals(tmp.Empty(), False)
+ self.assertEquals(tmp.IsNull(), False)
+
+ def test_from_string(self):
+ cdef TBlob tmp = TBlob.FromString(TString("hello world"))
+ self.assertEquals(tmp.Size(), 11)
+ self.assertEquals(tmp.AsCharPtr()[:tmp.Size()], "hello world")
+ self.assertEquals(tmp.Empty(), False)
+ self.assertEquals(tmp.IsNull(), False)
+
+ def test_from_file(self):
+ with open("file", "w") as f:
+ f.write("hello world")
+ cdef TBlob tmp = TBlob.FromFile("file")
+ self.assertEquals(tmp.Size(), 11)
+ self.assertEquals(tmp.AsCharPtr()[:tmp.Size()], "hello world")
+ self.assertEquals(tmp.Empty(), False)
+ self.assertEquals(tmp.IsNull(), False)
+
+ def test_precharged_from_file(self):
+ with open("precharged", "w") as f:
+ f.write("hello world")
+ cdef TBlob tmp = TBlob.PrechargedFromFile("precharged")
+ self.assertEquals(tmp.Size(), 11)
+ self.assertEquals(tmp.AsCharPtr()[:tmp.Size()], "hello world")
+ self.assertEquals(tmp.Empty(), False)
+ self.assertEquals(tmp.IsNull(), False)
+
+ def test_swap_drop(self):
+ cdef TBlob tmp = TBlob.NoCopy("hello world", 11)
+ cdef TBlob tmp2
+ tmp2.Swap(tmp)
+ self.assertEquals(tmp2.Size(), 11)
+ self.assertEquals(tmp.Size(), 0)
+ self.assertEquals(tmp2.AsCharPtr()[:tmp2.Size()], "hello world")
+ tmp2.Swap(tmp)
+ self.assertEquals(tmp2.Size(), 0)
+ self.assertEquals(tmp.Size(), 11)
+ tmp.Drop()
+ self.assertEquals(tmp.Size(), 0)
+
+ def test_operator_brackets(self):
+ cdef TBlob tmp = TBlob.NoCopy("hello world", 11)
+ self.assertEquals(tmp[0], ord('h'))
+ self.assertEquals(tmp[1], ord('e'))
+ self.assertEquals(tmp[2], ord('l'))
+ self.assertEquals(tmp[3], ord('l'))
+ self.assertEquals(tmp[4], ord('o'))
+ self.assertEquals(tmp[5], ord(' '))
+ self.assertEquals(tmp[6], ord('w'))
+ self.assertEquals(tmp[7], ord('o'))
+ self.assertEquals(tmp[8], ord('r'))
+ self.assertEquals(tmp[9], ord('l'))
+ self.assertEquals(tmp[10], ord('d'))
+
+ def test_operator_equal(self):
+ cdef TBlob foo = TBlob.NoCopy("foo", 3)
+ cdef TBlob bar = TBlob.NoCopy("bar", 3)
+ self.assertEquals(foo.AsCharPtr(), "foo")
+ self.assertEquals(bar.AsCharPtr(), "bar")
+ bar = foo
+ self.assertEquals(foo.AsCharPtr(), "foo")
+ self.assertEquals(bar.AsCharPtr(), "foo")
+
+ def test_sub_blob(self):
+ cdef TBlob tmp = TBlob.NoCopy("hello world", 11)
+ self.assertEquals(tmp.SubBlob(0).Size(), 0)
+ self.assertEquals(tmp.SubBlob(1).Size(), 1)
+ self.assertEquals(tmp.SubBlob(5).Size(), 5)
+ self.assertEquals(tmp.AsCharPtr() - tmp.SubBlob(0).AsCharPtr(), 0)
+
+ self.assertEquals(tmp.SubBlob(0, 0).Size(), 0)
+ self.assertEquals(tmp.SubBlob(0, 1).Size(), 1)
+ self.assertEquals(tmp.SubBlob(0, 5).Size(), 5)
+ self.assertEquals(tmp.AsCharPtr() - tmp.SubBlob(0, 0).AsCharPtr(), 0)
+
+ self.assertEquals(tmp.SubBlob(1, 1).Size(), 0)
+ self.assertEquals(tmp.SubBlob(1, 2).Size(), 1)
+ self.assertEquals(tmp.SubBlob(1, 6).Size(), 5)
+ self.assertEquals(tmp.SubBlob(1, 1).AsCharPtr() - tmp.AsCharPtr(), 1)
+
+ with self.assertRaises(Exception):
+ tmp.SubBlob(2, 1)
+
+ def test_deep_copy(self):
+ cdef TBlob tmp = TBlob.NoCopy("hello world", 11)
+ cdef TBlob tmp2 = tmp.DeepCopy()
+ self.assertEquals(tmp.AsCharPtr()[:tmp.Size()], "hello world")
+ self.assertEquals(tmp2.AsCharPtr()[:tmp2.Size()], "hello world")
+ self.assertNotEquals(tmp2.AsCharPtr() - tmp.AsCharPtr(), 0)
+