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config: document current write behaviour in a test

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On set, we set/add the value written to the config's internal values,
but we do not refresh old values.

Document this in a test in preparation for the refresh changes.
This commit is contained in:
Carlos Martín Nieto 2014-03-06 15:11:11 +01:00
parent 28fd7206b1
commit 36913b8cb4
1 changed files with 27 additions and 0 deletions
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27
tests/config/write.c
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@ -304,3 +304,30 @@ void test_config_write__updating_a_locked_config_file_returns_ELOCKED(void)
git_config_free(cfg);
}
void test_config_write__outside_change(void)
{
int32_t tmp;
git_config *cfg;
const char *filename = "config-ext-change";
cl_git_mkfile(filename, "[old]\nvalue = 5\n");
cl_git_pass(git_config_open_ondisk(&cfg, filename));
cl_git_pass(git_config_get_int32(&tmp, cfg, "old.value"));
/* Change the value on the file itself (simulate external process) */
cl_git_mkfile(filename, "[old]\nvalue = 6\n");
cl_git_pass(git_config_set_int32(cfg, "new.value", 7));
cl_git_pass(git_config_get_int32(&tmp, cfg, "old.value"));
cl_assert_equal_i(5, tmp);
cl_git_pass(git_config_refresh(cfg));
cl_git_pass(git_config_get_int32(&tmp, cfg, "old.value"));
cl_assert_equal_i(6, tmp);
git_config_free(cfg);
}