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test: Add a way to skip console checking until a string matches

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Some tests produce a lot of output that does not need to be individually
checked by an assertion. Add a macro to handle this.

Signed-off-by: Simon Glass <sjg@chromium.org>
This commit is contained in:
Simon Glass 2021-08-18 21:40:33 -06:00 committed by Tom Rini
parent b9274095c2
commit 2e09008c3c
2 changed files with 50 additions and 0 deletions
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24
include/test/ut.h
View File

@ -82,6 +82,21 @@ int ut_check_console_linen(struct unit_test_state *uts, const char *fmt, ...)
*/
int ut_check_skipline(struct unit_test_state *uts);
/**
* ut_check_skip_to_line() - skip output until a line is found
*
* This creates a string and then checks it against the following lines of
* console output obtained with console_record_readline() until it is found.
*
* After the function returns, uts->expect_str holds the expected string and
* uts->actual_str holds the actual string read from the console.
*
* @uts: Test state
* @fmt: printf() format string to look for, followed by args
* @return 0 if OK, -ENOENT if not found, other value on error
*/
int ut_check_skip_to_line(struct unit_test_state *uts, const char *fmt, ...);
/**
* ut_check_console_end() - Check there is no more console output
*
@ -286,6 +301,15 @@ int ut_check_console_dump(struct unit_test_state *uts, int total_bytes);
return CMD_RET_FAILURE; \
} \
/* Assert that a following console output line matches */
#define ut_assert_skip_to_line(fmt, args...) \
if (ut_check_skip_to_line(uts, fmt, ##args)) { \
ut_failf(uts, __FILE__, __LINE__, __func__, \
"console", "\nExpected '%s',\n got to '%s'", \
uts->expect_str, uts->actual_str); \
return CMD_RET_FAILURE; \
} \
/* Assert that there is no more console output */
#define ut_assert_console_end() \
if (ut_check_console_end(uts)) { \

26
test/ut.c
View File

@ -121,6 +121,32 @@ int ut_check_skipline(struct unit_test_state *uts)
return 0;
}
int ut_check_skip_to_line(struct unit_test_state *uts, const char *fmt, ...)
{
va_list args;
int len;
int ret;
va_start(args, fmt);
len = vsnprintf(uts->expect_str, sizeof(uts->expect_str), fmt, args);
va_end(args);
if (len >= sizeof(uts->expect_str)) {
ut_fail(uts, __FILE__, __LINE__, __func__,
"unit_test_state->expect_str too small");
return -EOVERFLOW;
}
while (1) {
if (!console_record_avail())
return -ENOENT;
ret = readline_check(uts);
if (ret < 0)
return ret;
if (!strcmp(uts->expect_str, uts->actual_str))
return 0;
}
}
int ut_check_console_end(struct unit_test_state *uts)
{
int ret;