{{ message }}
forked from oracle/python-cx_Oracle
-
Notifications
You must be signed in to change notification settings - Fork 0
Expand file tree
/
Copy pathStringVar.py
More file actions
393 lines (358 loc) · 16 KB
/
Copy pathStringVar.py
File metadata and controls
393 lines (358 loc) · 16 KB
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
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
# -*- coding: utf-8 -*-
#------------------------------------------------------------------------------
# Copyright (c) 2016, 2018, Oracle and/or its affiliates. All rights reserved.
#
# Portions Copyright 2007-2015, Anthony Tuininga. All rights reserved.
#
# Portions Copyright 2001-2007, Computronix (Canada) Ltd., Edmonton, Alberta,
# Canada. All rights reserved.
#------------------------------------------------------------------------------
"""Module for testing string variables."""
import datetime
class TestStringVar(BaseTestCase):
def setUp(self):
BaseTestCase.setUp(self)
self.rawData = []
self.dataByKey = {}
for i in range(1, 11):
stringCol = "String %d" % i
fixedCharCol = ("Fixed Char %d" % i).ljust(40)
rawCol = ("Raw %d" % i).encode("ascii")
if i % 2:
nullableCol = "Nullable %d" % i
else:
nullableCol = None
dataTuple = (i, stringCol, rawCol, fixedCharCol, nullableCol)
self.rawData.append(dataTuple)
self.dataByKey[i] = dataTuple
def testArrayWithIncreasedSize(self):
"test creating an array var and then increasing the internal size"
val = ["12345678901234567890"] * 3
arrayVar = self.cursor.arrayvar(str, len(val), 4)
arrayVar.setvalue(0, val)
self.assertEqual(arrayVar.getvalue(), val)
def testBindString(self):
"test binding in a string"
self.cursor.execute("""
select * from TestStrings
where StringCol = :value""",
value = "String 5")
self.assertEqual(self.cursor.fetchall(), [self.dataByKey[5]])
def testBindDifferentVar(self):
"test binding a different variable on second execution"
retval_1 = self.cursor.var(cx_Oracle.STRING, 30)
retval_2 = self.cursor.var(cx_Oracle.STRING, 30)
self.cursor.execute("begin :retval := 'Called'; end;",
retval = retval_1)
self.assertEqual(retval_1.getvalue(), "Called")
self.cursor.execute("begin :retval := 'Called'; end;",
retval = retval_2)
self.assertEqual(retval_2.getvalue(), "Called")
def testExceedsNumElements(self):
"test exceeding the number of elements returns IndexError"
var = self.cursor.var(str)
self.assertRaises(IndexError, var.getvalue, 1)
def testBindStringAfterNumber(self):
"test binding in a string after setting input sizes to a number"
self.cursor.setinputsizes(value = cx_Oracle.NUMBER)
self.cursor.execute("""
select * from TestStrings
where StringCol = :value""",
value = "String 6")
self.assertEqual(self.cursor.fetchall(), [self.dataByKey[6]])
def testBindStringArrayDirect(self):
"test binding in a string array"
returnValue = self.cursor.var(cx_Oracle.NUMBER)
array = [r[1] for r in self.rawData]
statement = """
begin
:returnValue := pkg_TestStringArrays.TestInArrays(
:integerValue, :array);
end;"""
self.cursor.execute(statement,
returnValue = returnValue,
integerValue = 5,
array = array)
self.assertEqual(returnValue.getvalue(), 86)
array = [ "String - %d" % i for i in range(15) ]
self.cursor.execute(statement,
integerValue = 8,
array = array)
self.assertEqual(returnValue.getvalue(), 163)
def testBindStringArrayBySizes(self):
"test binding in a string array (with setinputsizes)"
returnValue = self.cursor.var(cx_Oracle.NUMBER)
self.cursor.setinputsizes(array = [cx_Oracle.STRING, 10])
array = [r[1] for r in self.rawData]
self.cursor.execute("""
begin
:returnValue := pkg_TestStringArrays.TestInArrays(
:integerValue, :array);
end;""",
returnValue = returnValue,
integerValue = 6,
array = array)
self.assertEqual(returnValue.getvalue(), 87)
def testBindStringArrayByVar(self):
"test binding in a string array (with arrayvar)"
returnValue = self.cursor.var(cx_Oracle.NUMBER)
array = self.cursor.arrayvar(cx_Oracle.STRING, 10, 20)
array.setvalue(0, [r[1] for r in self.rawData])
self.cursor.execute("""
begin
:returnValue := pkg_TestStringArrays.TestInArrays(
:integerValue, :array);
end;""",
returnValue = returnValue,
integerValue = 7,
array = array)
self.assertEqual(returnValue.getvalue(), 88)
def testBindInOutStringArrayByVar(self):
"test binding in/out a string array (with arrayvar)"
array = self.cursor.arrayvar(cx_Oracle.STRING, 10, 100)
originalData = [r[1] for r in self.rawData]
expectedData = ["Converted element # %d originally had length %d" % \
(i, len(originalData[i - 1])) for i in range(1, 6)] + \
originalData[5:]
array.setvalue(0, originalData)
self.cursor.execute("""
begin
pkg_TestStringArrays.TestInOutArrays(:numElems, :array);
end;""",
numElems = 5,
array = array)
self.assertEqual(array.getvalue(), expectedData)
def testBindOutStringArrayByVar(self):
"test binding out a string array (with arrayvar)"
array = self.cursor.arrayvar(cx_Oracle.STRING, 6, 100)
expectedData = ["Test out element # %d" % i for i in range(1, 7)]
self.cursor.execute("""
begin
pkg_TestStringArrays.TestOutArrays(:numElems, :array);
end;""",
numElems = 6,
array = array)
self.assertEqual(array.getvalue(), expectedData)
def testBindRaw(self):
"test binding in a raw"
self.cursor.setinputsizes(value = cx_Oracle.BINARY)
self.cursor.execute("""
select * from TestStrings
where RawCol = :value""",
value = "Raw 4".encode("ascii"))
self.assertEqual(self.cursor.fetchall(), [self.dataByKey[4]])
def testBindAndFetchRowid(self):
"test binding (and fetching) a rowid"
self.cursor.execute("""
select rowid
from TestStrings
where IntCol = 3""")
rowid, = self.cursor.fetchone()
self.cursor.execute("""
select *
from TestStrings
where rowid = :value""",
value = rowid)
self.assertEqual(self.cursor.fetchall(), [self.dataByKey[3]])
def testBindAndFetchUniversalRowids(self):
"test binding (and fetching) universal rowids"
self.cursor.execute("truncate table TestUniversalRowids")
data = [
(1, "ABC" * 75, datetime.datetime(2017, 4, 11)),
(2, "DEF" * 80, datetime.datetime(2017, 4, 12))
]
for row in data:
self.cursor.execute("""
insert into TestUniversalRowids
values (:1, :2, :3)""", row)
self.connection.commit()
self.cursor.execute("""
select rowid
from TestUniversalRowIds
order by IntCol""")
rowids = [r for r, in self.cursor]
fetchedData = []
for rowid in rowids:
self.cursor.execute("""
select *
from TestUniversalRowids
where rowid = :rid""",
rid = rowid)
fetchedData.extend(self.cursor.fetchall())
self.assertEqual(fetchedData, data)
def testBindNull(self):
"test binding in a null"
self.cursor.execute("""
select * from TestStrings
where StringCol = :value""",
value = None)
self.assertEqual(self.cursor.fetchall(), [])
def testBindOutSetInputSizesByType(self):
"test binding out with set input sizes defined (by type)"
vars = self.cursor.setinputsizes(value = cx_Oracle.STRING)
self.cursor.execute("""
begin
:value := 'TSI';
end;""")
self.assertEqual(vars["value"].getvalue(), "TSI")
def testBindOutSetInputSizesByInteger(self):
"test binding out with set input sizes defined (by integer)"
vars = self.cursor.setinputsizes(value = 30)
self.cursor.execute("""
begin
:value := 'TSI (I)';
end;""")
self.assertEqual(vars["value"].getvalue(), "TSI (I)")
def testBindInOutSetInputSizesByType(self):
"test binding in/out with set input sizes defined (by type)"
vars = self.cursor.setinputsizes(value = cx_Oracle.STRING)
self.cursor.execute("""
begin
:value := :value || ' TSI';
end;""",
value = "InVal")
self.assertEqual(vars["value"].getvalue(), "InVal TSI")
def testBindInOutSetInputSizesByInteger(self):
"test binding in/out with set input sizes defined (by integer)"
vars = self.cursor.setinputsizes(value = 30)
self.cursor.execute("""
begin
:value := :value || ' TSI (I)';
end;""",
value = "InVal")
self.assertEqual(vars["value"].getvalue(), "InVal TSI (I)")
def testBindOutVar(self):
"test binding out with cursor.var() method"
var = self.cursor.var(cx_Oracle.STRING)
self.cursor.execute("""
begin
:value := 'TSI (VAR)';
end;""",
value = var)
self.assertEqual(var.getvalue(), "TSI (VAR)")
def testBindInOutVarDirectSet(self):
"test binding in/out with cursor.var() method"
var = self.cursor.var(cx_Oracle.STRING)
var.setvalue(0, "InVal")
self.cursor.execute("""
begin
:value := :value || ' TSI (VAR)';
end;""",
value = var)
self.assertEqual(var.getvalue(), "InVal TSI (VAR)")
def testBindLongString(self):
"test that binding a long string succeeds"
self.cursor.setinputsizes(bigString = cx_Oracle.LONG_STRING)
self.cursor.execute("""
declare
t_Temp varchar2(20000);
begin
t_Temp := :bigString;
end;""",
bigString = "X" * 10000)
def testBindLongStringAfterSettingSize(self):
"test that setinputsizes() returns a long variable"
var = self.cursor.setinputsizes(test = 90000)["test"]
inString = "1234567890" * 9000
var.setvalue(0, inString)
outString = var.getvalue()
self.assertEqual(inString, outString,
"output does not match: in was %d, out was %d" % \
(len(inString), len(outString)))
def testCursorDescription(self):
"test cursor description is accurate"
self.cursor.execute("select * from TestStrings")
self.assertEqual(self.cursor.description,
[ ('INTCOL', cx_Oracle.NUMBER, 10, None, 9, 0, 0),
('STRINGCOL', cx_Oracle.STRING, 20, 20 * CS_RATIO, None,
None, 0),
('RAWCOL', cx_Oracle.BINARY, 30, 30, None, None, 0),
('FIXEDCHARCOL', cx_Oracle.FIXED_CHAR, 40, 40 * CS_RATIO,
None, None, 0),
('NULLABLECOL', cx_Oracle.STRING, 50, 50 * CS_RATIO, None,
None, 1) ])
def testFetchAll(self):
"test that fetching all of the data returns the correct results"
self.cursor.execute("select * From TestStrings order by IntCol")
self.assertEqual(self.cursor.fetchall(), self.rawData)
self.assertEqual(self.cursor.fetchall(), [])
def testFetchMany(self):
"test that fetching data in chunks returns the correct results"
self.cursor.execute("select * From TestStrings order by IntCol")
self.assertEqual(self.cursor.fetchmany(3), self.rawData[0:3])
self.assertEqual(self.cursor.fetchmany(2), self.rawData[3:5])
self.assertEqual(self.cursor.fetchmany(4), self.rawData[5:9])
self.assertEqual(self.cursor.fetchmany(3), self.rawData[9:])
self.assertEqual(self.cursor.fetchmany(3), [])
def testFetchOne(self):
"test that fetching a single row returns the correct results"
self.cursor.execute("""
select *
from TestStrings
where IntCol in (3, 4)
order by IntCol""")
self.assertEqual(self.cursor.fetchone(), self.dataByKey[3])
self.assertEqual(self.cursor.fetchone(), self.dataByKey[4])
self.assertEqual(self.cursor.fetchone(), None)
def testSupplementalCharacters(self):
"test that binding and fetching supplemental charcters works correctly"
self.cursor.execute("""
select value
from nls_database_parameters
where parameter = 'NLS_CHARACTERSET'""")
charset, = self.cursor.fetchone()
if charset != "AL32UTF8":
self.skipTest("Database character set must be AL32UTF8")
supplementalChars = "𠜎 𠜱 𠝹 𠱓 𠱸 𠲖 𠳏 𠳕 𠴕 𠵼 𠵿 𠸎 𠸏 𠹷 𠺝 " \
"𠺢 𠻗 𠻹 𠻺 𠼭 𠼮 𠽌 𠾴 𠾼 𠿪 𡁜 𡁯 𡁵 𡁶 𡁻 𡃁 𡃉 𡇙 𢃇 " \
"𢞵 𢫕 𢭃 𢯊 𢱑 𢱕 𢳂 𢴈 𢵌 𢵧 𢺳 𣲷 𤓓 𤶸 𤷪 𥄫 𦉘 𦟌 𦧲 " \
"𦧺 𧨾 𨅝 𨈇 𨋢 𨳊 𨳍 𨳒 𩶘"
self.cursor.execute("truncate table TestTempTable")
self.cursor.execute("insert into TestTempTable values (:1, :2)",
(1, supplementalChars))
self.connection.commit()
self.cursor.execute("select StringCol from TestTempTable")
value, = self.cursor.fetchone()
self.assertEqual(value, supplementalChars)
def testBindTwiceWithLargeStringSecond(self):
"test binding twice with a larger string the second time"
self.cursor.execute("truncate table TestTempTable")
self.cursor.execute("insert into TestTempTable values (:1, :2)",
(1, "short string"))
self.cursor.execute("insert into TestTempTable values (:1, :2)",
(2, "long string " * 30))
self.connection.commit()
def testIssue50(self):
"test issue 50 - avoid error ORA-24816"
cursor = self.connection.cursor()
try:
cursor.execute("drop table issue_50 purge")
except cx_Oracle.DatabaseError:
pass
cursor.execute("""
create table issue_50 (
Id number(11) primary key,
Str1 nvarchar2(256),
Str2 nvarchar2(256),
Str3 nvarchar2(256),
NClob1 nclob,
NClob2 nclob
)""")
idVar = cursor.var(cx_Oracle.NUMBER)
cursor.execute("""
insert into issue_50 (Id, Str2, Str3, NClob1, NClob2, Str1)
values (:arg0, :arg1, :arg2, :arg3, :arg4, :arg5)
returning id into :arg6""",
[1, '555a4c78', 'f319ef0e', '23009914', '', '', idVar])
cursor = self.connection.cursor()
cursor.execute("""
insert into issue_50 (Id, Str2, Str3, NClob1, NClob2, Str1)
values (:arg0, :arg1, :arg2, :arg3, :arg4, :arg5)
returning id into :arg6""",
[2, u'd5ff845a', u'94275767', u'bf161ff6', u'', u'', idVar])
cursor.execute("drop table issue_50 purge")
def testSetRowidToString(self):
"test assigning a string to rowid"
var = self.cursor.var(cx_Oracle.ROWID)
self.assertRaises(cx_Oracle.NotSupportedError, var.setvalue, 0,
"ABDHRYTHFJGKDKKDH")
You can’t perform that action at this time.