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
|
#!perl -w
use DBI qw(:preparse_flags);
$|=1;
use Test::More;
BEGIN {
if ($DBI::PurePerl) {
plan skip_all => 'preparse not supported for DBI::PurePerl';
}
else {
plan tests => 39;
}
}
my $dbh = DBI->connect("dbi:ExampleP:", "", "", {
PrintError => 0,
});
isa_ok( $dbh, 'DBI::db' );
sub pp {
my $dbh = shift;
my $rv = $dbh->preparse(@_);
return $rv;
}
# --------------------------------------------------------------------- #
# DBIpp_cm_cs /* C style */
# DBIpp_cm_hs /* # */
# DBIpp_cm_dd /* -- */
# DBIpp_cm_br /* {} */
# DBIpp_cm_dw /* '-- ' dash dash whitespace */
# DBIpp_cm_XX /* any of the above */
# DBIpp_ph_qm /* ? */
# DBIpp_ph_cn /* :1 */
# DBIpp_ph_cs /* :name */
# DBIpp_ph_sp /* %s (as return only, not accept) */
# DBIpp_ph_XX /* any of the above */
# DBIpp_st_qq /* '' char escape */
# DBIpp_st_bs /* \ char escape */
# DBIpp_st_XX /* any of the above */
# ===================================================================== #
# pp (h input return accept expected) #
# ===================================================================== #
## Comments:
is( pp($dbh, "a#b\nc", DBIpp_cm_cs, DBIpp_cm_hs), "a/*b*/\nc" );
is( pp($dbh, "a#b\nc", DBIpp_cm_dw, DBIpp_cm_hs), "a-- b\nc" );
is( pp($dbh, "a/*b*/c", DBIpp_cm_hs, DBIpp_cm_cs), "a#b\nc" );
is( pp($dbh, "a{b}c", DBIpp_cm_cs, DBIpp_cm_br), "a/*b*/c" );
is( pp($dbh, "a--b\nc", DBIpp_cm_br, DBIpp_cm_dd), "a{b}\nc" );
is( pp($dbh, "a-- b\n/*c*/d", DBIpp_cm_br, DBIpp_cm_cs|DBIpp_cm_dw), "a{ b}\n{c}d" );
is( pp($dbh, "a/*b*/c#d\ne--f\nh-- i\nj{k}", 0, DBIpp_cm_XX), "a c\ne\nh\nj " );
## Placeholders:
is( pp($dbh, "a = :1", DBIpp_ph_qm, DBIpp_ph_cn), "a = ?" );
is( pp($dbh, "a = :1", DBIpp_ph_sp, DBIpp_ph_cn), "a = %s" );
is( pp($dbh, "a = ?" , DBIpp_ph_cn, DBIpp_ph_qm), "a = :p1" );
is( pp($dbh, "a = ?" , DBIpp_ph_sp, DBIpp_ph_qm), "a = %s" );
is( pp($dbh, "a = :name", DBIpp_ph_qm, DBIpp_ph_cs), "a = ?" );
is( pp($dbh, "a = :name", DBIpp_ph_sp, DBIpp_ph_cs), "a = %s" );
is( pp($dbh, "a = ? b = ? c = ?", DBIpp_ph_cn, DBIpp_ph_XX), "a = :p1 b = :p2 c = :p3" );
## Placeholders inside comments (should be ignored where comments style is accepted):
is( pp( $dbh,
"a = ? /*b = :1*/ c = ?",
DBIpp_cm_dw|DBIpp_ph_cn,
DBIpp_cm_cs|DBIpp_ph_qm),
"a = :p1 -- b = :1\n c = :p2" );
## Placeholders inside single and double quotes (should be ignored):
is( pp( $dbh,
"a = ? 'b = :1' c = ?",
DBIpp_ph_cn,
DBIpp_ph_XX),
"a = :p1 'b = :1' c = :p2" );
is( pp( $dbh,
'a = ? "b = :1" c = ?',
DBIpp_ph_cn,
DBIpp_ph_XX),
'a = :p1 "b = :1" c = :p2' );
## Comments inside single and double quotes (should be ignored):
is( pp( $dbh,
"a = ? '{b = :1}' c = ?",
DBIpp_cm_cs|DBIpp_ph_cn,
DBIpp_cm_XX|DBIpp_ph_qm),
"a = :p1 '{b = :1}' c = :p2" );
is( pp( $dbh,
'a = ? "/*b = :1*/" c = ?',
DBIpp_cm_dw|DBIpp_ph_cn,
DBIpp_cm_XX|DBIpp_ph_qm),
'a = :p1 "/*b = :1*/" c = :p2' );
## Single and double quoted strings starting inside comments (should be ignored):
is( pp( $dbh,
'a = ? /*"b = :1 */ c = ?',
DBIpp_cm_br|DBIpp_ph_cn,
DBIpp_cm_XX|DBIpp_ph_qm),
'a = :p1 {"b = :1 } c = :p2' );
## Check error conditions are trapped:
is( pp($dbh, "a = :value and b = :1", DBIpp_ph_qm, DBIpp_ph_cs|DBIpp_ph_cn), undef );
ok( $DBI::err );
is( $DBI::errstr, "preparse found mixed placeholder styles (:1 / :name)" );
is( pp($dbh, "a = :1 and b = :3", DBIpp_ph_qm, DBIpp_ph_cn), undef );
ok( $DBI::err );
is( $DBI::errstr, "preparse found placeholder :3 out of sequence, expected :2" );
is( pp($dbh, "foo ' comment", 0, 0), "foo ' comment" );
ok( $DBI::err );
is( $DBI::errstr, "preparse found unterminated single-quoted string" );
is( pp($dbh, 'foo " comment', 0, 0), 'foo " comment' );
ok( $DBI::err );
is( $DBI::errstr, "preparse found unterminated double-quoted string" );
is( pp($dbh, 'foo /* comment', DBIpp_cm_XX, DBIpp_cm_XX), 'foo /* comment' );
ok( $DBI::err );
is( $DBI::errstr, "preparse found unterminated bracketed C-style comment" );
is( pp($dbh, 'foo { comment', DBIpp_cm_XX, DBIpp_cm_XX), 'foo { comment' );
ok( $DBI::err );
is( $DBI::errstr, "preparse found unterminated bracketed {...} comment" );
# --------------------------------------------------------------------- #
$dbh->disconnect;
1;
|
