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
|
/* Copyright (c) 2021 Dovecot authors, see the included COPYING file */
#include "test-lib.h"
#include "str.h"
#include "strescape.h"
#include "event-filter.h"
#include "event-filter-private.h"
#define STRING1 "X"
#define STRING2 "Y"
/* dummy values, at least for now */
#define SOURCE_FILENAME "blah.c"
#define SOURCE_LINE 123
static void check_expr(const char *test_name,
struct event *event,
struct event_filter *filter,
enum event_filter_log_type log_type,
bool expected)
{
struct event_filter_node *expr;
unsigned int num_queries;
bool got;
/* get at the expr inside the filter */
expr = event_filter_get_expr_for_testing(filter, &num_queries);
test_out_quiet(t_strdup_printf("%s:num_queries==1", test_name),
num_queries == 1); /* should have only one query */
got = event_filter_query_match_eval(expr, event,
SOURCE_FILENAME, SOURCE_LINE,
log_type);
test_out_quiet(t_strdup_printf("%s:got=expected", test_name),
got == expected);
}
static void do_test_expr(const char *filter_string, struct event *event,
enum event_filter_log_type log_type,
bool expected)
{
const char *test_name, *error;
test_name = t_strdup_printf(
"%.*s log type + event {a=%s, b=%s} + filter '%s' (exp %s)",
3, /* truncate the type name to avoid CI seeing 'warning' messages */
event_filter_category_from_log_type(log_type),
event_find_field_recursive_str(event, "a"),
event_find_field_recursive_str(event, "b"),
filter_string,
expected ? "true" : "false");
/* set up the filter expression */
struct event_filter *filter = event_filter_create();
test_out_quiet(t_strdup_printf("%s:event_filter_parse()", test_name),
event_filter_parse(filter_string, filter, &error) == 0);
check_expr(test_name, event, filter, log_type, expected);
event_filter_unref(&filter);
}
static void test_unary_expr(struct event *event,
const char *expr, bool truth,
enum event_filter_log_type log_type)
{
/*
* The UNARY() macro checks:
*
* 1. expr
* 2. NOT expr
* 3. NOT (expr)
*
* Note that numbers 2 and 3 are equivalent.
*
* The truth argument specifies the expected truth-iness of the
* passed in expression.
*/
#define UNARY() \
T_BEGIN { \
do_test_expr(expr, \
event, log_type, truth); \
do_test_expr(t_strdup_printf("NOT %s", expr), \
event, log_type, !truth); \
do_test_expr(t_strdup_printf("NOT (%s)", expr), \
event, log_type, !truth); \
} T_END
UNARY();
}
static void test_binary_expr(struct event *event,
const char *expr1, const char *expr2,
bool truth1, bool truth2,
enum event_filter_log_type log_type)
{
/*
* The BINARY() macro checks:
*
* 1. expr1 op expr2
* 2. NOT expr1 op expr2
* 3. NOT (expr1) op expr2
* 4. (NOT expr1) op expr2
* 5. expr1 op NOT expr2
* 6. expr1 op NOT (expr2)
* 7. expr1 op (NOT expr2)
* 8. NOT (expr1 op expr2)
* 9. NOT expr1 op NOT expr2
* 10. NOT (expr1) op NOT (expr2)
* 11. (NOT expr1) op (NOT expr2)
*
* Where op is OR or AND.
*
* Note that:
* - numbers 2, 3, and 4 are equivalent
* - numbers 5, 6, and 7 are equivalent
* - numbers 9, 10, and 11 are equivalent
*
* The truth arugments specify the expected truth-iness of the
* passed in expressions.
*/
#define BINARY(opstr, op) \
T_BEGIN { \
do_test_expr(t_strdup_printf("%s %s %s", expr1, opstr, expr2),\
event, log_type, \
(truth1) op (truth2)); \
do_test_expr(t_strdup_printf("NOT %s %s %s", expr1, opstr, expr2),\
event, log_type, \
!(truth1) op (truth2)); \
do_test_expr(t_strdup_printf("NOT (%s) %s %s", expr1, opstr, expr2),\
event, log_type, \
!(truth1) op (truth2)); \
do_test_expr(t_strdup_printf("(NOT %s) %s %s", expr1, opstr, expr2),\
event, log_type, \
!(truth1) op (truth2)); \
do_test_expr(t_strdup_printf("%s %s NOT %s", expr1, opstr, expr2),\
event, log_type, \
(truth1) op !(truth2)); \
do_test_expr(t_strdup_printf("%s %s NOT (%s)", expr1, opstr, expr2),\
event, log_type, \
(truth1) op !(truth2)); \
do_test_expr(t_strdup_printf("%s %s (NOT %s)", expr1, opstr, expr2),\
event, log_type, \
(truth1) op !(truth2)); \
do_test_expr(t_strdup_printf("NOT (%s %s %s)", expr1, opstr, expr2),\
event, log_type, \
!((truth1) op (truth2))); \
do_test_expr(t_strdup_printf("NOT %s %s NOT %s", expr1, opstr, expr2),\
event, log_type, \
!(truth1) op !(truth2)); \
do_test_expr(t_strdup_printf("NOT (%s) %s NOT (%s)", expr1, opstr, expr2),\
event, log_type, \
!(truth1) op !(truth2)); \
do_test_expr(t_strdup_printf("(NOT %s) %s (NOT %s)", expr1, opstr, expr2),\
event, log_type, \
!(truth1) op !(truth2)); \
} T_END
BINARY("OR", ||);
BINARY("AND", &&);
}
static void test_event_filter_expr_fields(enum event_filter_log_type log_type)
{
static const char *values[] = {
NULL,
"",
STRING1,
STRING2,
};
unsigned int a, b;
#define STR_IS_EMPTY(v) \
(((v) == NULL) || (strcmp("", (v)) == 0))
#define STR_MATCHES(v, c) \
(((v) != NULL) && (strcmp((c), (v)) == 0))
/* unary */
for (a = 0; a < N_ELEMENTS(values); a++) {
/* set up the event to match against */
struct event *event = event_create(NULL);
event_add_str(event, "a", values[a]);
test_unary_expr(event,
"a=\"\"",
STR_IS_EMPTY(values[a]),
log_type);
test_unary_expr(event,
"a=" STRING1,
STR_MATCHES(values[a], STRING1),
log_type);
event_unref(&event);
}
/* binary */
for (a = 0; a < N_ELEMENTS(values); a++) {
for (b = 0; b < N_ELEMENTS(values); b++) {
/* set up the event to match against */
struct event *event = event_create(NULL);
event_add_str(event, "a", values[a]);
event_add_str(event, "b", values[b]);
test_binary_expr(event,
"a=\"\"",
"b=\"\"",
STR_IS_EMPTY(values[a]),
STR_IS_EMPTY(values[b]),
log_type);
test_binary_expr(event,
"a=" STRING1,
"b=\"\"",
STR_MATCHES(values[a], STRING1),
STR_IS_EMPTY(values[b]),
log_type);
test_binary_expr(event,
"a=\"\"",
"b=" STRING2,
STR_IS_EMPTY(values[a]),
STR_MATCHES(values[b], STRING2),
log_type);
test_binary_expr(event,
"a=" STRING1,
"b=" STRING2,
STR_MATCHES(values[a], STRING1),
STR_MATCHES(values[b], STRING2),
log_type);
event_unref(&event);
}
}
}
void test_event_filter_expr(void)
{
static const enum event_filter_log_type log_types[] = {
EVENT_FILTER_LOG_TYPE_DEBUG,
EVENT_FILTER_LOG_TYPE_INFO,
EVENT_FILTER_LOG_TYPE_WARNING,
EVENT_FILTER_LOG_TYPE_ERROR,
EVENT_FILTER_LOG_TYPE_FATAL,
EVENT_FILTER_LOG_TYPE_PANIC,
};
unsigned int i;
test_begin("event filter expressions");
for (i = 0; i < N_ELEMENTS(log_types); i++)
test_event_filter_expr_fields(log_types[i]);
test_end();
}
|
