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/*
* Copyright (c) 2020 Omar Polo <op@omarpolo.com>
*
* Permission to use, copy, modify, and distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice appear in all copies.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/
#include <err.h>
#include <stdio.h>
#include <string.h>
#include "gmid.h"
#define TEST(iri, fail, exp, descr) \
if (!run_test(iri, fail, exp)) { \
fprintf(stderr, "%s:%d: error: %s\n", \
__FILE__, __LINE__, descr); \
exit(1); \
}
#define IRI(schema, host, port, path, query, frag) \
((struct iri){schema, host, port, 0, path, query, frag})
#define DIFF(wanted, got, field) \
if (wanted->field == NULL || got->field == NULL || \
strcmp(wanted->field, got->field)) { \
fprintf(stderr, #field ":\n\tgot: %s\n\twanted: %s\n", \
got->field, wanted->field); \
return 0; \
}
#define PASS 0
#define FAIL 1
int
diff_iri(struct iri *p, struct iri *exp)
{
DIFF(p, exp, schema);
DIFF(p, exp, host);
DIFF(p, exp, port);
DIFF(p, exp, path);
DIFF(p, exp, query);
DIFF(p, exp, fragment);
return 1;
}
int
run_test(const char *iri, int should_fail, struct iri expected)
{
int failed, ok = 1;
char *iri_copy;
struct iri parsed;
const char *error;
if ((iri_copy = strdup(iri)) == NULL)
err(1, "strdup");
fprintf(stderr, "=> %s\n", iri);
failed = !parse_iri(iri_copy, &parsed, &error);
if (failed && should_fail)
goto done;
if (error != NULL)
fprintf(stderr, "> %s\n", error);
ok = !failed && !should_fail;
if (ok)
ok = diff_iri(&expected, &parsed);
done:
free(iri_copy);
return ok;
}
int
main(void)
{
struct iri empty = {"", "", "", PASS, "", "", ""};
TEST("http://omarpolo.com",
PASS,
IRI("http", "omarpolo.com", "", "", "", ""),
"can parse iri with empty path");
/* schema */
TEST("omarpolo.com", FAIL, empty, "FAIL when the schema is missing");
TEST("gemini:/omarpolo.com", FAIL, empty, "FAIL with invalid marker");
TEST("gemini//omarpolo.com", FAIL, empty, "FAIL with invalid marker");
TEST("h!!p://omarpolo.com", FAIL, empty, "FAIL with invalid schema");
TEST("GEMINI://omarpolo.com",
PASS,
IRI("gemini", "omarpolo.com", "", "", "", ""),
"Schemas are case insensitive.");
/* authority */
TEST("gemini://omarpolo.com",
PASS,
IRI("gemini", "omarpolo.com", "", "", "", ""),
"can parse authority with empty path");
TEST("gemini://omarpolo.com/",
PASS,
IRI("gemini", "omarpolo.com", "", "", "", ""),
"can parse authority with empty path (alt)")
TEST("gemini://omarpolo.com:1965",
PASS,
IRI("gemini", "omarpolo.com", "1965", "", "", ""),
"can parse with port and empty path");
TEST("gemini://omarpolo.com:1965/",
PASS,
IRI("gemini", "omarpolo.com", "1965", "", "", ""),
"can parse with port and empty path")
TEST("gemini://omarpolo.com:196s",
FAIL,
empty,
"FAIL with invalid port number");
TEST("gemini://OmArPoLo.CoM",
PASS,
IRI("gemini", "omarpolo.com", "", "", "", ""),
"host is case-insensitive");
/* path */
TEST("gemini://omarpolo.com/foo/bar/baz",
PASS,
IRI("gemini", "omarpolo.com", "", "foo/bar/baz", "", ""),
"parse simple paths");
TEST("gemini://omarpolo.com/foo//bar///baz",
PASS,
IRI("gemini", "omarpolo.com", "", "foo/bar/baz", "", ""),
"parse paths with multiple slashes");
TEST("gemini://omarpolo.com/foo/./bar/./././baz",
PASS,
IRI("gemini", "omarpolo.com", "", "foo/bar/baz", "", ""),
"parse paths with . elements");
TEST("gemini://omarpolo.com/foo/bar/../bar/baz",
PASS,
IRI("gemini", "omarpolo.com", "", "foo/bar/baz", "", ""),
"parse paths with .. elements");
TEST("gemini://omarpolo.com/foo/../foo/bar/../bar/baz/../baz",
PASS,
IRI("gemini", "omarpolo.com", "", "foo/bar/baz", "", ""),
"parse paths with multiple .. elements");
TEST("gemini://omarpolo.com/foo/..",
PASS,
IRI("gemini", "omarpolo.com", "", "", "", ""),
"parse paths with a trailing ..");
TEST("gemini://omarpolo.com/foo/../",
PASS,
IRI("gemini", "omarpolo.com", "", "", "", ""),
"parse paths with a trailing ..");
TEST("gemini://omarpolo.com/foo/../..",
FAIL,
empty,
"reject paths that would escape the root");
TEST("gemini://omarpolo.com/foo/../../",
FAIL,
empty,
"reject paths that would escape the root")
TEST("gemini://omarpolo.com/foo/../foo/../././/bar/baz/.././.././/",
PASS,
IRI("gemini", "omarpolo.com", "", "", "", ""),
"parse path with lots of cleaning available");
TEST("gemini://omarpolo.com//foo",
PASS,
IRI("gemini", "omarpolo.com", "", "foo", "", ""),
"Trim initial slashes");
TEST("gemini://omarpolo.com/////foo",
PASS,
IRI("gemini", "omarpolo.com", "", "foo", "", ""),
"Trim initial slashes (pt. 2)");
/* query */
TEST("foo://example.com/foo/?gne",
PASS,
IRI("foo", "example.com", "", "foo/", "gne", ""),
"parse query strings");
TEST("foo://example.com/foo/?gne&foo",
PASS,
IRI("foo", "example.com", "", "foo/", "gne&foo", ""),
"parse query strings");
TEST("foo://example.com/foo/?gne%2F",
PASS,
IRI("foo", "example.com", "", "foo/", "gne/", ""),
"parse query strings");
/* fragment */
TEST("foo://bar.co/#foo",
PASS,
IRI("foo", "bar.co", "", "", "", "foo"),
"can recognize fragments");
/* percent encoding */
TEST("foo://bar.com/caf%C3%A8.gmi",
PASS,
IRI("foo", "bar.com", "", "cafè.gmi", "", ""),
"can decode");
TEST("foo://bar.com/caff%C3%A8%20macchiato.gmi",
PASS,
IRI("foo", "bar.com", "", "caffè macchiato.gmi", "", ""),
"can decode");
TEST("foo://bar.com/caff%C3%A8+macchiato.gmi",
PASS,
IRI("foo", "bar.com", "", "caffè+macchiato.gmi", "", ""),
"can decode");
TEST("foo://bar.com/foo%2F..%2F..",
FAIL,
empty,
"conversion and checking are done in the correct order");
TEST("foo://bar.com/foo%00?baz",
FAIL,
empty,
"rejects %00");
/* IRI */
TEST("foo://bar.com/cafè.gmi",
PASS,
IRI("foo", "bar.com", "", "cafè.gmi", "" , ""),
"decode IRI (with a 2-byte utf8 seq)");
TEST("foo://bar.com/世界.gmi",
PASS,
IRI("foo", "bar.com", "", "世界.gmi", "" , ""),
"decode IRI");
TEST("foo://bar.com/😼.gmi",
PASS,
IRI("foo", "bar.com", "", "😼.gmi", "" , ""),
"decode IRI (with a 3-byte utf8 seq)");
TEST("foo://bar.com/😼/𤭢.gmi",
PASS,
IRI("foo", "bar.com", "", "😼/𤭢.gmi", "" , ""),
"decode IRI (with a 3-byte and a 4-byte utf8 seq)");
TEST("foo://bar.com/世界/\xC0\x80",
FAIL,
empty,
"reject invalid sequence (overlong NUL)");
return 0;
}
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