summaryrefslogtreecommitdiff
path: root/tests/test_format.py
blob: 70bb80554527d98677a1b4adeb1eff90a746291b (plain)
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
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
674
675
676
677
678
679
680
681
682
683
684
685
686
687
688
689
690
691
692
693
694
695
696
697
698
699
700
701
702
703
704
705
706
707
708
709
710
711
712
713
714
715
716
717
718
719
720
721
722
723
724
import pytest

import sqlparse
from sqlparse.exceptions import SQLParseError


class TestFormat:
    def test_keywordcase(self):
        sql = 'select * from bar; -- select foo\n'
        res = sqlparse.format(sql, keyword_case='upper')
        assert res == 'SELECT * FROM bar; -- select foo\n'
        res = sqlparse.format(sql, keyword_case='capitalize')
        assert res == 'Select * From bar; -- select foo\n'
        res = sqlparse.format(sql.upper(), keyword_case='lower')
        assert res == 'select * from BAR; -- SELECT FOO\n'

    def test_keywordcase_invalid_option(self):
        sql = 'select * from bar; -- select foo\n'
        with pytest.raises(SQLParseError):
            sqlparse.format(sql, keyword_case='foo')

    def test_identifiercase(self):
        sql = 'select * from bar; -- select foo\n'
        res = sqlparse.format(sql, identifier_case='upper')
        assert res == 'select * from BAR; -- select foo\n'
        res = sqlparse.format(sql, identifier_case='capitalize')
        assert res == 'select * from Bar; -- select foo\n'
        res = sqlparse.format(sql.upper(), identifier_case='lower')
        assert res == 'SELECT * FROM bar; -- SELECT FOO\n'

    def test_identifiercase_invalid_option(self):
        sql = 'select * from bar; -- select foo\n'
        with pytest.raises(SQLParseError):
            sqlparse.format(sql, identifier_case='foo')

    def test_identifiercase_quotes(self):
        sql = 'select * from "foo"."bar"'
        res = sqlparse.format(sql, identifier_case="upper")
        assert res == 'select * from "foo"."bar"'

    def test_strip_comments_single(self):
        sql = 'select *-- statement starts here\nfrom foo'
        res = sqlparse.format(sql, strip_comments=True)
        assert res == 'select *\nfrom foo'
        sql = 'select * -- statement starts here\nfrom foo'
        res = sqlparse.format(sql, strip_comments=True)
        assert res == 'select *\nfrom foo'
        sql = 'select-- foo\nfrom -- bar\nwhere'
        res = sqlparse.format(sql, strip_comments=True)
        assert res == 'select\nfrom\nwhere'
        sql = 'select *-- statement starts here\n\nfrom foo'
        res = sqlparse.format(sql, strip_comments=True)
        assert res == 'select *\n\nfrom foo'
        sql = 'select * from foo-- statement starts here\nwhere'
        res = sqlparse.format(sql, strip_comments=True)
        assert res == 'select * from foo\nwhere'
        sql = 'select a-- statement starts here\nfrom foo'
        res = sqlparse.format(sql, strip_comments=True)
        assert res == 'select a\nfrom foo'
        sql = '--comment\nselect a-- statement starts here\n' \
              'from foo--comment\nf'
        res = sqlparse.format(sql, strip_comments=True)
        assert res == 'select a\nfrom foo\nf'

    def test_strip_comments_invalid_option(self):
        sql = 'select-- foo\nfrom -- bar\nwhere'
        with pytest.raises(SQLParseError):
            sqlparse.format(sql, strip_comments=None)

    def test_strip_comments_multi(self):
        sql = '/* sql starts here */\nselect'
        res = sqlparse.format(sql, strip_comments=True)
        assert res == 'select'
        sql = '/* sql starts here */ select'
        res = sqlparse.format(sql, strip_comments=True)
        assert res == 'select'
        sql = '/*\n * sql starts here\n */\nselect'
        res = sqlparse.format(sql, strip_comments=True)
        assert res == 'select'
        sql = 'select (/* sql starts here */ select 2)'
        res = sqlparse.format(sql, strip_comments=True)
        assert res == 'select (select 2)'
        sql = 'select (/* sql /* starts here */ select 2)'
        res = sqlparse.format(sql, strip_comments=True)
        assert res == 'select (select 2)'

    def test_strip_comments_preserves_linebreak(self):
        sql = 'select * -- a comment\r\nfrom foo'
        res = sqlparse.format(sql, strip_comments=True)
        assert res == 'select *\nfrom foo'
        sql = 'select * -- a comment\nfrom foo'
        res = sqlparse.format(sql, strip_comments=True)
        assert res == 'select *\nfrom foo'
        sql = 'select * -- a comment\rfrom foo'
        res = sqlparse.format(sql, strip_comments=True)
        assert res == 'select *\nfrom foo'
        sql = 'select * -- a comment\r\n\r\nfrom foo'
        res = sqlparse.format(sql, strip_comments=True)
        assert res == 'select *\n\nfrom foo'
        sql = 'select * -- a comment\n\nfrom foo'
        res = sqlparse.format(sql, strip_comments=True)
        assert res == 'select *\n\nfrom foo'

    def test_strip_ws(self):
        f = lambda sql: sqlparse.format(sql, strip_whitespace=True)
        s = 'select\n* from      foo\n\twhere  ( 1 = 2 )\n'
        assert f(s) == 'select * from foo where (1 = 2)'
        s = 'select -- foo\nfrom    bar\n'
        assert f(s) == 'select -- foo\nfrom bar'

    def test_strip_ws_invalid_option(self):
        s = 'select -- foo\nfrom    bar\n'
        with pytest.raises(SQLParseError):
            sqlparse.format(s, strip_whitespace=None)

    def test_preserve_ws(self):
        # preserve at least one whitespace after subgroups
        f = lambda sql: sqlparse.format(sql, strip_whitespace=True)
        s = 'select\n* /* foo */  from bar '
        assert f(s) == 'select * /* foo */ from bar'

    def test_notransform_of_quoted_crlf(self):
        # Make sure that CR/CR+LF characters inside string literals don't get
        # affected by the formatter.

        s1 = "SELECT some_column LIKE 'value\r'"
        s2 = "SELECT some_column LIKE 'value\r'\r\nWHERE id = 1\n"
        s3 = "SELECT some_column LIKE 'value\\'\r' WHERE id = 1\r"
        s4 = "SELECT some_column LIKE 'value\\\\\\'\r' WHERE id = 1\r\n"

        f = lambda x: sqlparse.format(x)

        # Because of the use of
        assert f(s1) == "SELECT some_column LIKE 'value\r'"
        assert f(s2) == "SELECT some_column LIKE 'value\r'\nWHERE id = 1\n"
        assert f(s3) == "SELECT some_column LIKE 'value\\'\r' WHERE id = 1\n"
        assert (f(s4)
                == "SELECT some_column LIKE 'value\\\\\\'\r' WHERE id = 1\n")


class TestFormatReindentAligned:
    @staticmethod
    def formatter(sql):
        return sqlparse.format(sql, reindent_aligned=True)

    def test_basic(self):
        sql = """
            select a, b as bb,c from table
            join (select a * 2 as a from new_table) other
            on table.a = other.a
            where c is true
            and b between 3 and 4
            or d is 'blue'
            limit 10
            """

        assert self.formatter(sql) == '\n'.join([
            'select a,',
            '       b as bb,',
            '       c',
            '  from table',
            '  join (',
            '        select a * 2 as a',
            '          from new_table',
            '       ) other',
            '    on table.a = other.a',
            ' where c is true',
            '   and b between 3 and 4',
            "    or d is 'blue'",
            ' limit 10'])

    def test_joins(self):
        sql = """
            select * from a
            join b on a.one = b.one
            left join c on c.two = a.two and c.three = a.three
            full outer join d on d.three = a.three
            cross join e on e.four = a.four
            join f using (one, two, three)
            """
        assert self.formatter(sql) == '\n'.join([
            'select *',
            '  from a',
            '  join b',
            '    on a.one = b.one',
            '  left join c',
            '    on c.two = a.two',
            '   and c.three = a.three',
            '  full outer join d',
            '    on d.three = a.three',
            ' cross join e',
            '    on e.four = a.four',
            '  join f using (one, two, three)'])

    def test_case_statement(self):
        sql = """
            select a,
            case when a = 0
            then 1
            when bb = 1 then 1
            when c = 2 then 2
            else 0 end as d,
            extra_col
            from table
            where c is true
            and b between 3 and 4
            """
        assert self.formatter(sql) == '\n'.join([
            'select a,',
            '       case when a = 0  then 1',
            '            when bb = 1 then 1',
            '            when c = 2  then 2',
            '            else 0',
            '             end as d,',
            '       extra_col',
            '  from table',
            ' where c is true',
            '   and b between 3 and 4'])

    def test_case_statement_with_between(self):
        sql = """
            select a,
            case when a = 0
            then 1
            when bb = 1 then 1
            when c = 2 then 2
            when d between 3 and 5 then 3
            else 0 end as d,
            extra_col
            from table
            where c is true
            and b between 3 and 4
            """
        assert self.formatter(sql) == '\n'.join([
            'select a,',
            '       case when a = 0             then 1',
            '            when bb = 1            then 1',
            '            when c = 2             then 2',
            '            when d between 3 and 5 then 3',
            '            else 0',
            '             end as d,',
            '       extra_col',
            '  from table',
            ' where c is true',
            '   and b between 3 and 4'])

    def test_group_by(self):
        sql = """
            select a, b, c, sum(x) as sum_x, count(y) as cnt_y
            from table
            group by a,b,c
            having sum(x) > 1
            and count(y) > 5
            order by 3,2,1
            """
        assert self.formatter(sql) == '\n'.join([
            'select a,',
            '       b,',
            '       c,',
            '       sum(x) as sum_x,',
            '       count(y) as cnt_y',
            '  from table',
            ' group by a,',
            '          b,',
            '          c',
            'having sum(x) > 1',
            '   and count(y) > 5',
            ' order by 3,',
            '          2,',
            '          1'])

    def test_group_by_subquery(self):
        # TODO: add subquery alias when test_identifier_list_subquery fixed
        sql = """
            select *, sum_b + 2 as mod_sum
            from (
              select a, sum(b) as sum_b
              from table
              group by a,z)
            order by 1,2
            """
        assert self.formatter(sql) == '\n'.join([
            'select *,',
            '       sum_b + 2 as mod_sum',
            '  from (',
            '        select a,',
            '               sum(b) as sum_b',
            '          from table',
            '         group by a,',
            '                  z',
            '       )',
            ' order by 1,',
            '          2'])

    def test_window_functions(self):
        sql = """
            select a,
            SUM(a) OVER (PARTITION BY b ORDER BY c ROWS
            BETWEEN UNBOUNDED PRECEDING AND CURRENT ROW) as sum_a,
            ROW_NUMBER() OVER
            (PARTITION BY b, c ORDER BY d DESC) as row_num
            from table"""
        assert self.formatter(sql) == '\n'.join([
            'select a,',
            '       SUM(a) OVER (PARTITION BY b ORDER BY c ROWS '
            'BETWEEN UNBOUNDED PRECEDING AND CURRENT ROW) as sum_a,',
            '       ROW_NUMBER() OVER '
            '(PARTITION BY b, c ORDER BY d DESC) as row_num',
            '  from table'])


class TestSpacesAroundOperators:
    @staticmethod
    def formatter(sql):
        return sqlparse.format(sql, use_space_around_operators=True)

    def test_basic(self):
        sql = ('select a+b as d from table '
               'where (c-d)%2= 1 and e> 3.0/4 and z^2 <100')
        assert self.formatter(sql) == (
            'select a + b as d from table '
            'where (c - d) % 2 = 1 and e > 3.0 / 4 and z ^ 2 < 100')

    def test_bools(self):
        sql = 'select * from table where a &&b or c||d'
        assert self.formatter(
            sql) == 'select * from table where a && b or c || d'

    def test_nested(self):
        sql = 'select *, case when a-b then c end from table'
        assert self.formatter(
            sql) == 'select *, case when a - b then c end from table'

    def test_wildcard_vs_mult(self):
        sql = 'select a*b-c from table'
        assert self.formatter(sql) == 'select a * b - c from table'


class TestFormatReindent:
    def test_option(self):
        with pytest.raises(SQLParseError):
            sqlparse.format('foo', reindent=2)
        with pytest.raises(SQLParseError):
            sqlparse.format('foo', indent_tabs=2)
        with pytest.raises(SQLParseError):
            sqlparse.format('foo', reindent=True, indent_width='foo')
        with pytest.raises(SQLParseError):
            sqlparse.format('foo', reindent=True, indent_width=-12)
        with pytest.raises(SQLParseError):
            sqlparse.format('foo', reindent=True, wrap_after='foo')
        with pytest.raises(SQLParseError):
            sqlparse.format('foo', reindent=True, wrap_after=-12)
        with pytest.raises(SQLParseError):
            sqlparse.format('foo', reindent=True, comma_first='foo')

    def test_stmts(self):
        f = lambda sql: sqlparse.format(sql, reindent=True)
        s = 'select foo; select bar'
        assert f(s) == 'select foo;\n\nselect bar'
        s = 'select foo'
        assert f(s) == 'select foo'
        s = 'select foo; -- test\n select bar'
        assert f(s) == 'select foo; -- test\n\nselect bar'

    def test_keywords(self):
        f = lambda sql: sqlparse.format(sql, reindent=True)
        s = 'select * from foo union select * from bar;'
        assert f(s) == '\n'.join([
            'select *',
            'from foo',
            'union',
            'select *',
            'from bar;'])

    def test_keywords_between(self):
        # issue 14
        # don't break AND after BETWEEN
        f = lambda sql: sqlparse.format(sql, reindent=True)
        s = 'and foo between 1 and 2 and bar = 3'
        assert f(s) == '\n'.join([
            '',
            'and foo between 1 and 2',
            'and bar = 3'])

    def test_parenthesis(self):
        f = lambda sql: sqlparse.format(sql, reindent=True)
        s = 'select count(*) from (select * from foo);'
        assert f(s) == '\n'.join([
            'select count(*)',
            'from',
            '  (select *',
            '   from foo);'])
        assert f("select f(1)") == 'select f(1)'
        assert f("select f( 1 )") == 'select f(1)'
        assert f("select f(\n\n\n1\n\n\n)") == 'select f(1)'
        assert f("select f(\n\n\n 1 \n\n\n)") == 'select f(1)'
        assert f("select f(\n\n\n  1  \n\n\n)") == 'select f(1)'

    def test_where(self):
        f = lambda sql: sqlparse.format(sql, reindent=True)
        s = 'select * from foo where bar = 1 and baz = 2 or bzz = 3;'
        assert f(s) == '\n'.join([
            'select *',
            'from foo',
            'where bar = 1',
            '  and baz = 2',
            '  or bzz = 3;'])

        s = 'select * from foo where bar = 1 and (baz = 2 or bzz = 3);'
        assert f(s) == '\n'.join([
            'select *',
            'from foo',
            'where bar = 1',
            '  and (baz = 2',
            '       or bzz = 3);'])

    def test_join(self):
        f = lambda sql: sqlparse.format(sql, reindent=True)
        s = 'select * from foo join bar on 1 = 2'
        assert f(s) == '\n'.join([
            'select *',
            'from foo',
            'join bar on 1 = 2'])
        s = 'select * from foo inner join bar on 1 = 2'
        assert f(s) == '\n'.join([
            'select *',
            'from foo',
            'inner join bar on 1 = 2'])
        s = 'select * from foo left outer join bar on 1 = 2'
        assert f(s) == '\n'.join([
            'select *',
            'from foo',
            'left outer join bar on 1 = 2'])
        s = 'select * from foo straight_join bar on 1 = 2'
        assert f(s) == '\n'.join([
            'select *',
            'from foo',
            'straight_join bar on 1 = 2'])

    def test_identifier_list(self):
        f = lambda sql: sqlparse.format(sql, reindent=True)
        s = 'select foo, bar, baz from table1, table2 where 1 = 2'
        assert f(s) == '\n'.join([
            'select foo,',
            '       bar,',
            '       baz',
            'from table1,',
            '     table2',
            'where 1 = 2'])
        s = 'select a.*, b.id from a, b'
        assert f(s) == '\n'.join([
            'select a.*,',
            '       b.id',
            'from a,',
            '     b'])

    def test_identifier_list_with_wrap_after(self):
        f = lambda sql: sqlparse.format(sql, reindent=True, wrap_after=14)
        s = 'select foo, bar, baz from table1, table2 where 1 = 2'
        assert f(s) == '\n'.join([
            'select foo, bar,',
            '       baz',
            'from table1, table2',
            'where 1 = 2'])

    def test_identifier_list_comment_first(self):
        f = lambda sql: sqlparse.format(sql, reindent=True, comma_first=True)
        # not the 3: It cleans up whitespace too!
        s = 'select foo, bar, baz from table where foo in (1, 2,3)'
        assert f(s) == '\n'.join([
            'select foo',
            '     , bar',
            '     , baz',
            'from table',
            'where foo in (1',
            '            , 2',
            '            , 3)'])

    def test_identifier_list_with_functions(self):
        f = lambda sql: sqlparse.format(sql, reindent=True)
        s = ("select 'abc' as foo, coalesce(col1, col2)||col3 as bar,"
             "col3 from my_table")
        assert f(s) == '\n'.join([
            "select 'abc' as foo,",
            "       coalesce(col1, col2)||col3 as bar,",
            "       col3",
            "from my_table"])

    def test_long_identifier_list_with_functions(self):
        f = lambda sql: sqlparse.format(sql, reindent=True, wrap_after=30)
        s = ("select 'abc' as foo, json_build_object('a',  a,"
             "'b', b, 'c', c, 'd', d, 'e', e) as col2"
             "col3 from my_table")
        assert f(s) == '\n'.join([
            "select 'abc' as foo,",
            "       json_build_object('a',",
            "         a, 'b', b, 'c', c, 'd', d,",
            "         'e', e) as col2col3",
            "from my_table"])

    def test_case(self):
        f = lambda sql: sqlparse.format(sql, reindent=True)
        s = 'case when foo = 1 then 2 when foo = 3 then 4 else 5 end'
        assert f(s) == '\n'.join([
            'case',
            '    when foo = 1 then 2',
            '    when foo = 3 then 4',
            '    else 5',
            'end'])

    def test_case2(self):
        f = lambda sql: sqlparse.format(sql, reindent=True)
        s = 'case(foo) when bar = 1 then 2 else 3 end'
        assert f(s) == '\n'.join([
            'case(foo)',
            '    when bar = 1 then 2',
            '    else 3',
            'end'])

    def test_nested_identifier_list(self):
        # issue4
        f = lambda sql: sqlparse.format(sql, reindent=True)
        s = '(foo as bar, bar1, bar2 as bar3, b4 as b5)'
        assert f(s) == '\n'.join([
            '(foo as bar,',
            ' bar1,',
            ' bar2 as bar3,',
            ' b4 as b5)'])

    def test_duplicate_linebreaks(self):
        # issue3
        f = lambda sql: sqlparse.format(sql, reindent=True)
        s = 'select c1 -- column1\nfrom foo'
        assert f(s) == '\n'.join([
            'select c1 -- column1',
            'from foo'])
        s = 'select c1 -- column1\nfrom foo'
        r = sqlparse.format(s, reindent=True, strip_comments=True)
        assert r == '\n'.join([
            'select c1',
            'from foo'])
        s = 'select c1\nfrom foo\norder by c1'
        assert f(s) == '\n'.join([
            'select c1',
            'from foo',
            'order by c1'])
        s = 'select c1 from t1 where (c1 = 1) order by c1'
        assert f(s) == '\n'.join([
            'select c1',
            'from t1',
            'where (c1 = 1)',
            'order by c1'])

    def test_keywordfunctions(self):
        # issue36
        f = lambda sql: sqlparse.format(sql, reindent=True)
        s = 'select max(a) b, foo, bar'
        assert f(s) == '\n'.join([
            'select max(a) b,',
            '       foo,',
            '       bar'])

    def test_identifier_and_functions(self):
        # issue45
        f = lambda sql: sqlparse.format(sql, reindent=True)
        s = 'select foo.bar, nvl(1) from dual'
        assert f(s) == '\n'.join([
            'select foo.bar,',
            '       nvl(1)',
            'from dual'])

    def test_insert_values(self):
        # issue 329
        f = lambda sql: sqlparse.format(sql, reindent=True)
        s = 'insert into foo values (1, 2)'
        assert f(s) == '\n'.join([
            'insert into foo',
            'values (1, 2)'])

        s = 'insert into foo values (1, 2), (3, 4), (5, 6)'
        assert f(s) == '\n'.join([
            'insert into foo',
            'values (1, 2),',
            '       (3, 4),',
            '       (5, 6)'])

        s = 'insert into foo(a, b) values (1, 2), (3, 4), (5, 6)'
        assert f(s) == '\n'.join([
            'insert into foo(a, b)',
            'values (1, 2),',
            '       (3, 4),',
            '       (5, 6)'])

        f = lambda sql: sqlparse.format(sql, reindent=True,
                                        comma_first=True)
        s = 'insert into foo values (1, 2)'
        assert f(s) == '\n'.join([
            'insert into foo',
            'values (1, 2)'])

        s = 'insert into foo values (1, 2), (3, 4), (5, 6)'
        assert f(s) == '\n'.join([
            'insert into foo',
            'values (1, 2)',
            '     , (3, 4)',
            '     , (5, 6)'])

        s = 'insert into foo(a, b) values (1, 2), (3, 4), (5, 6)'
        assert f(s) == '\n'.join([
            'insert into foo(a, b)',
            'values (1, 2)',
            '     , (3, 4)',
            '     , (5, 6)'])


class TestOutputFormat:
    def test_python(self):
        sql = 'select * from foo;'
        f = lambda sql: sqlparse.format(sql, output_format='python')
        assert f(sql) == "sql = 'select * from foo;'"
        f = lambda sql: sqlparse.format(sql, output_format='python',
                                        reindent=True)
        assert f(sql) == '\n'.join([
            "sql = ('select * '",
            "       'from foo;')"])

    def test_python_multiple_statements(self):
        sql = 'select * from foo; select 1 from dual'
        f = lambda sql: sqlparse.format(sql, output_format='python')
        assert f(sql) == '\n'.join([
            "sql = 'select * from foo; '",
            "sql2 = 'select 1 from dual'"])

    @pytest.mark.xfail(reason="Needs fixing")
    def test_python_multiple_statements_with_formatting(self):
        sql = 'select * from foo; select 1 from dual'
        f = lambda sql: sqlparse.format(sql, output_format='python',
                                        reindent=True)
        assert f(sql) == '\n'.join([
            "sql = ('select * '",
            "       'from foo;')",
            "sql2 = ('select 1 '",
            "        'from dual')"])

    def test_php(self):
        sql = 'select * from foo;'
        f = lambda sql: sqlparse.format(sql, output_format='php')
        assert f(sql) == '$sql = "select * from foo;";'
        f = lambda sql: sqlparse.format(sql, output_format='php',
                                        reindent=True)
        assert f(sql) == '\n'.join([
            '$sql  = "select * ";',
            '$sql .= "from foo;";'])

    def test_sql(self):
        # "sql" is an allowed option but has no effect
        sql = 'select * from foo;'
        f = lambda sql: sqlparse.format(sql, output_format='sql')
        assert f(sql) == 'select * from foo;'

    def test_invalid_option(self):
        sql = 'select * from foo;'
        with pytest.raises(SQLParseError):
            sqlparse.format(sql, output_format='foo')


def test_format_column_ordering():
    # issue89
    sql = 'select * from foo order by c1 desc, c2, c3;'
    formatted = sqlparse.format(sql, reindent=True)
    expected = '\n'.join([
        'select *',
        'from foo',
        'order by c1 desc,',
        '         c2,',
        '         c3;'])
    assert formatted == expected


def test_truncate_strings():
    sql = "update foo set value = '{}';".format('x' * 1000)
    formatted = sqlparse.format(sql, truncate_strings=10)
    assert formatted == "update foo set value = 'xxxxxxxxxx[...]';"
    formatted = sqlparse.format(sql, truncate_strings=3, truncate_char='YYY')
    assert formatted == "update foo set value = 'xxxYYY';"


@pytest.mark.parametrize('option', ['bar', -1, 0])
def test_truncate_strings_invalid_option2(option):
    with pytest.raises(SQLParseError):
        sqlparse.format('foo', truncate_strings=option)


@pytest.mark.parametrize('sql', [
    'select verrrylongcolumn from foo',
    'select "verrrylongcolumn" from "foo"'])
def test_truncate_strings_doesnt_truncate_identifiers(sql):
    formatted = sqlparse.format(sql, truncate_strings=2)
    assert formatted == sql


def test_having_produces_newline():
    sql = ('select * from foo, bar where bar.id = foo.bar_id '
           'having sum(bar.value) > 100')
    formatted = sqlparse.format(sql, reindent=True)
    expected = [
        'select *',
        'from foo,',
        '     bar',
        'where bar.id = foo.bar_id',
        'having sum(bar.value) > 100']
    assert formatted == '\n'.join(expected)


@pytest.mark.parametrize('right_margin', ['ten', 2])
def test_format_right_margin_invalid_option(right_margin):
    with pytest.raises(SQLParseError):
        sqlparse.format('foo', right_margin=right_margin)


@pytest.mark.xfail(reason="Needs fixing")
def test_format_right_margin():
    # TODO: Needs better test, only raises exception right now
    sqlparse.format('foo', right_margin="79")