summaryrefslogtreecommitdiff
path: root/common/test-lexer.c
blob: 7d18e876a21cfed09685d301958d048b5ae2f27a (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
/*
 * Copyright (c) 2013 Red Hat Inc.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 *
 *     * Redistributions of source code must retain the above
 *       copyright notice, this list of conditions and the
 *       following disclaimer.
 *     * Redistributions in binary form must reproduce the
 *       above copyright notice, this list of conditions and
 *       the following disclaimer in the documentation and/or
 *       other materials provided with the distribution.
 *     * The names of contributors to this software may not be
 *       used to endorse or promote products derived from this
 *       software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
 * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
 * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
 * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
 * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
 * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF
 * THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH
 * DAMAGE.
 *
 * Author: Stef Walter <stefw@redhat.com>
 */

#include "config.h"
#include "test.h"

#include <stdlib.h>
#include <stdio.h>
#include <string.h>

#include "compat.h"
#include "debug.h"
#include "lexer.h"
#include "message.h"

typedef struct {
	int tok_type;
	const char *name;
	const char *value;
} expected_tok;

static void
check_lex_msg (const char *file,
               int line,
               const char *function,
               const expected_tok *expected,
               const char *input,
               bool failure)
{
	p11_lexer lexer;
	size_t len;
	bool failed;
	int i;

	p11_lexer_init (&lexer, "test", input, strlen (input));
	for (i = 0; p11_lexer_next (&lexer, &failed); i++) {
		if (expected[i].tok_type != lexer.tok_type)
			p11_test_fail (file, line, function,
			               "lexer token type does not match: (%d != %d)",
			               expected[i].tok_type, lexer.tok_type);
		switch (lexer.tok_type) {
		case TOK_FIELD:
			if (strcmp (expected[i].name, lexer.tok.field.name) != 0)
				p11_test_fail (file, line, function,
				               "field name doesn't match: (%s != %s)",
				               expected[i].name, lexer.tok.field.name);
			if (strcmp (expected[i].value, lexer.tok.field.value) != 0)
				p11_test_fail (file, line, function,
				               "field value doesn't match: (%s != %s)",
				               expected[i].value, lexer.tok.field.value);
			break;
		case TOK_SECTION:
			if (strcmp (expected[i].name, lexer.tok.field.name) != 0)
				p11_test_fail (file, line, function,
				               "section name doesn't match: (%s != %s)",
				               expected[i].name, lexer.tok.field.name);
			break;
		case TOK_PEM:
			len = strlen (expected[i].name);
			if (lexer.tok.pem.length < len ||
			    strncmp (lexer.tok.pem.begin, expected[i].name, len) != 0) {
				p11_test_fail (file, line, function,
				               "wrong type of PEM block: %s",
				               expected[i].name);
			}
			break;
		case TOK_EOF:
			p11_test_fail (file, line, function, "eof should not be recieved");
			break;
		}
	}

	if (failure && !failed)
		p11_test_fail (file, line, function, "lexing didn't fail");
	else if (!failure && failed)
		p11_test_fail (file, line, function, "lexing failed");
	if (TOK_EOF != expected[i].tok_type)
		p11_test_fail (file, line, function, "premature end of lexing");

	p11_lexer_done (&lexer);
}

#define check_lex_success(expected, input) \
	check_lex_msg (__FILE__, __LINE__, __FUNCTION__, expected, input, false)

#define check_lex_failure(expected, input) \
	check_lex_msg (__FILE__, __LINE__, __FUNCTION__, expected, input, true)

static void
test_basic (void)
{
	const char *input = "[the header]\n"
	                    "field: value\n"
	                    "-----BEGIN BLOCK1-----\n"
	                    "aYNNXqshlVxCdo8QfKeXh3GUzd/yn4LYIVgQrx4a\n"
	                    "-----END BLOCK1-----\n";

	const expected_tok expected[] = {
		{ TOK_SECTION, "the header" },
		{ TOK_FIELD, "field", "value" },
		{ TOK_PEM, "-----BEGIN BLOCK1-----\n", },
		{ TOK_EOF }
	};

	check_lex_success (expected, input);
}

static void
test_corners (void)
{
	const char *input = "\r\n"                 /* blankline */
	                    " [the header]\r\n"    /* bad line endings */
	                    "  field: value  \r\n" /* whitespace */
	                    "number:    2\n"       /* extra space*/
	                    "number    :3\n"       /* extra space*/
	                    "number  :  4\n"       /* extra space*/
	                    "\n"
	                    " # A comment \n"
	                    "not-a-comment: # value\n"
	                    "-----BEGIN BLOCK1-----\r\n"
	                    "aYNNXqshlVxCdo8QfKeXh3GUzd/yn4LYIVgQrx4a\r\n"
	                    "-----END BLOCK1-----"; /* no new line */

	const expected_tok expected[] = {
		{ TOK_SECTION, "the header" },
		{ TOK_FIELD, "field", "value" },
		{ TOK_FIELD, "number", "2" },
		{ TOK_FIELD, "number", "3" },
		{ TOK_FIELD, "number", "4" },
		{ TOK_FIELD, "not-a-comment", "# value" },
		{ TOK_PEM, "-----BEGIN BLOCK1-----\r\n", },
		{ TOK_EOF }
	};

	check_lex_success (expected, input);
}

static void
test_following (void)
{
	const char *input = "-----BEGIN BLOCK1-----\n"
	                    "aYNNXqshlVxCdo8QfKeXh3GUzd/yn4LYIVgQrx4a\n"
	                    "-----END BLOCK1-----\n"
	                    "field: value";

	const expected_tok expected[] = {
		{ TOK_PEM, "-----BEGIN BLOCK1-----\n", },
		{ TOK_FIELD, "field", "value" },
		{ TOK_EOF }
	};

	check_lex_success (expected, input);
}

static void
test_bad_pem (void)
{
	const char *input = "field: value\n"
	                    "-----BEGIN BLOCK1-----\n"
	                    "aYNNXqshlVxCdo8QfKeXh3GUzd/yn4LYIVgQrx4a\n";

	const expected_tok expected[] = {
		{ TOK_FIELD, "field", "value" },
		{ TOK_EOF }
	};

	p11_message_quiet ();

	check_lex_failure (expected, input);

	p11_message_loud ();
}

static void
test_bad_section (void)
{
	const char *input = "field: value\n"
	                    "[section\n"
	                    "bad]\n";

	const expected_tok expected[] = {
		{ TOK_FIELD, "field", "value" },
		{ TOK_EOF }
	};

	p11_message_quiet ();

	check_lex_failure (expected, input);

	p11_message_loud ();
}

static void
test_bad_value (void)
{
	const char *input = "field_value\n"
	                    "[section\n"
	                    "bad]\n";

	const expected_tok expected[] = {
		{ TOK_EOF }
	};

	p11_message_quiet ();

	check_lex_failure (expected, input);

	p11_message_loud ();
}

int
main (int argc,
      char *argv[])
{
	p11_test (test_basic, "/lexer/basic");
	p11_test (test_corners, "/lexer/corners");
	p11_test (test_following, "/lexer/following");
	p11_test (test_bad_pem, "/lexer/bad-pem");
	p11_test (test_bad_section, "/lexer/bad-section");
	p11_test (test_bad_value, "/lexer/bad-value");
	return p11_test_run (argc, argv);
}