+{
+ EXPECT0(notmuch_database_get_config (db, "test.key1", &val));
+ printf("test.key1 = %s\n", val);
+ EXPECT0(notmuch_database_get_config (db, "test.key2", &val));
+ printf("test.key2 = %s\n", val);
+}
+EOF
+notmuch config set test.key1
+cat <<'EOF' >EXPECTED
+== stdout ==
+test.key1 = overridden
+test.key2 = testvalue2
+== stderr ==
+EOF
+test_expect_equal_file EXPECTED OUTPUT
+restore_database
+
+backup_database
+test_begin_subtest "override config from \${HOME}/.notmuch-config"
+ovconfig=${HOME}/.notmuch-config
+cp ${NOTMUCH_CONFIG} ${ovconfig}
+old_NOTMUCH_CONFIG=${NOTMUCH_CONFIG}
+unset NOTMUCH_CONFIG
+notmuch --config=${ovconfig} config set test.key1 overridden-home
+cat c_head - c_tail <<'EOF' | test_C ${MAIL_DIR} %NULL% %NULL%
+{
+ EXPECT0(notmuch_database_get_config (db, "test.key1", &val));
+ printf("test.key1 = %s\n", val);
+ EXPECT0(notmuch_database_get_config (db, "test.key2", &val));
+ printf("test.key2 = %s\n", val);
+}
+EOF
+rm -f ${ovconfig}
+NOTMUCH_CONFIG=${old_NOTMUCH_CONFIG}
+cat <<'EOF' >EXPECTED
+== stdout ==
+test.key1 = overridden-home
+test.key2 = testvalue2
+== stderr ==
+EOF
+test_expect_equal_file EXPECTED OUTPUT
+restore_database
+
+backup_database
+test_begin_subtest "override config from \${XDG_CONFIG_HOME}/notmuch"
+ovconfig=${HOME}/.config/notmuch/default/config
+mkdir -p $(dirname ${ovconfig})
+cp ${NOTMUCH_CONFIG} ${ovconfig}
+old_NOTMUCH_CONFIG=${NOTMUCH_CONFIG}
+unset NOTMUCH_CONFIG
+notmuch --config=${ovconfig} config set test.key1 overridden-xdg
+cat c_head - c_tail <<'EOF' | test_C ${MAIL_DIR} %NULL% %NULL%
+{
+ EXPECT0(notmuch_database_get_config (db, "test.key1", &val));
+ printf("test.key1 = %s\n", val);
+ EXPECT0(notmuch_database_get_config (db, "test.key2", &val));
+ printf("test.key2 = %s\n", val);
+}
+EOF
+rm -f ${ovconfig}
+NOTMUCH_CONFIG=${old_NOTMUCH_CONFIG}
+cat <<'EOF' >EXPECTED
+== stdout ==
+test.key1 = overridden-xdg
+test.key2 = testvalue2
+== stderr ==
+EOF
+test_expect_equal_file EXPECTED OUTPUT
+restore_database
+
+backup_database
+test_begin_subtest "override config from \${XDG_CONFIG_HOME}/notmuch with profile"
+ovconfig=${HOME}/.config/notmuch/work/config
+mkdir -p $(dirname ${ovconfig})
+cp ${NOTMUCH_CONFIG} ${ovconfig}
+old_NOTMUCH_CONFIG=${NOTMUCH_CONFIG}
+unset NOTMUCH_CONFIG
+notmuch --config=${ovconfig} config set test.key1 overridden-xdg-profile
+cat c_head - c_tail <<'EOF' | test_C ${MAIL_DIR} %NULL% work
+{
+ EXPECT0(notmuch_database_get_config (db, "test.key1", &val));
+ printf("test.key1 = %s\n", val);
+ EXPECT0(notmuch_database_get_config (db, "test.key2", &val));
+ printf("test.key2 = %s\n", val);
+}
+EOF
+rm -f ${ovconfig}
+NOTMUCH_CONFIG=${old_NOTMUCH_CONFIG}
+cat <<'EOF' >EXPECTED
+== stdout ==
+test.key1 = overridden-xdg-profile
+test.key2 = testvalue2
+== stderr ==
+EOF
+test_expect_equal_file EXPECTED OUTPUT
+restore_database
+
+backup_database
+test_begin_subtest "override config from \${HOME}/.notmuch-config.work (via args)"
+ovconfig=${HOME}/.notmuch-config.work
+cp ${NOTMUCH_CONFIG} ${ovconfig}
+old_NOTMUCH_CONFIG=${NOTMUCH_CONFIG}
+unset NOTMUCH_CONFIG
+notmuch --config=${ovconfig} config set test.key1 overridden-profile
+cat c_head - c_tail <<'EOF' | test_C ${MAIL_DIR} %NULL% work
+{
+ EXPECT0(notmuch_database_get_config (db, "test.key1", &val));
+ printf("test.key1 = %s\n", val);
+ EXPECT0(notmuch_database_get_config (db, "test.key2", &val));
+ printf("test.key2 = %s\n", val);
+}
+EOF
+#rm -f ${ovconfig}
+NOTMUCH_CONFIG=${old_NOTMUCH_CONFIG}
+cat <<'EOF' >EXPECTED
+== stdout ==
+test.key1 = overridden-profile
+test.key2 = testvalue2
+== stderr ==
+EOF
+test_expect_equal_file EXPECTED OUTPUT
+restore_database
+
+test_begin_subtest "no config, fail to open database"
+old_NOTMUCH_CONFIG=${NOTMUCH_CONFIG}
+unset NOTMUCH_CONFIG
+cat c_head - c_tail <<'EOF' | test_C %NULL% '' %NULL%
+{
+ printf("NOT RUN");
+}
+EOF
+NOTMUCH_CONFIG=${old_NOTMUCH_CONFIG}
+cat <<'EOF' >EXPECTED
+== stdout ==
+== stderr ==
+error opening database
+No database found
+Error: could not locate database.
+
+EOF
+test_expect_equal_file EXPECTED OUTPUT
+
+test_begin_subtest "open database from NOTMUCH_DATABASE"
+old_NOTMUCH_CONFIG=${NOTMUCH_CONFIG}
+unset NOTMUCH_CONFIG
+export NOTMUCH_DATABASE=${MAIL_DIR}
+cat c_head - c_tail <<'EOF' | test_C %NULL% '' %NULL%
+{
+ EXPECT0(notmuch_database_get_config (db, "test.key1", &val));
+ printf("test.key1 = %s\n", val);
+ EXPECT0(notmuch_database_get_config (db, "test.key2", &val));
+ printf("test.key2 = %s\n", val);
+}
+EOF
+export NOTMUCH_CONFIG=${old_NOTMUCH_CONFIG}
+unset NOTMUCH_DATABASE
+cat <<'EOF' >EXPECTED
+== stdout ==
+test.key1 = testvalue1
+test.key2 = testvalue2
+== stderr ==
+EOF
+test_expect_equal_file EXPECTED OUTPUT
+
+test_begin_subtest "NOTMUCH_DATABASE overrides config"
+cp notmuch-config notmuch-config.bak
+notmuch config set database.path /nonexistent
+export NOTMUCH_DATABASE=${MAIL_DIR}
+cat c_head - c_tail <<'EOF' | test_C %NULL% '' %NULL%
+{
+ EXPECT0(notmuch_database_get_config (db, "test.key1", &val));
+ printf("test.key1 = %s\n", val);
+ EXPECT0(notmuch_database_get_config (db, "test.key2", &val));
+ printf("test.key2 = %s\n", val);
+}
+EOF
+NOTMUCH_CONFIG=${old_NOTMUCH_CONFIG}
+unset NOTMUCH_DATABASE
+cat <<'EOF' >EXPECTED
+== stdout ==
+test.key1 = testvalue1
+test.key2 = testvalue2
+== stderr ==
+EOF
+cp notmuch-config.bak notmuch-config
+test_expect_equal_file EXPECTED OUTPUT
+
+cat <<EOF > c_head2
+#include <string.h>
+#include <stdlib.h>
+#include <notmuch-test.h>
+
+int main (int argc, char** argv)
+{
+ notmuch_database_t *db;
+ char *val;
+ notmuch_status_t stat;
+ char *msg = NULL;
+
+ for (int i = 1; i < argc; i++)
+ if (strcmp (argv[i], "%NULL%") == 0) argv[i] = NULL;
+
+ stat = notmuch_database_load_config (argv[1],
+ argv[2],
+ argv[3],
+ &db,
+ &msg);
+ if (stat != NOTMUCH_STATUS_SUCCESS && stat != NOTMUCH_STATUS_NO_CONFIG) {
+ fprintf (stderr, "error opening database\n%d: %s\n%s\n", stat,
+ notmuch_status_to_string (stat), msg ? msg : "");
+ exit (1);
+ }
+EOF
+
+
+test_begin_subtest "notmuch_database_get_config (ndlc)"
+cat c_head2 - c_tail <<'EOF' | test_C ${MAIL_DIR} %NULL% %NULL%
+{
+ EXPECT0(notmuch_database_get_config (db, "test.key1", &val));
+ printf("test.key1 = %s\n", val);
+ EXPECT0(notmuch_database_get_config (db, "test.key2", &val));
+ printf("test.key2 = %s\n", val);
+}
+EOF
+cat <<'EOF' >EXPECTED
+== stdout ==
+test.key1 = testvalue1
+test.key2 = testvalue2
+== stderr ==
+EOF
+test_expect_equal_file EXPECTED OUTPUT
+
+
+test_begin_subtest "notmuch_database_get_config_list: all pairs (ndlc)"
+cat c_head2 - c_tail <<'EOF' | test_C ${MAIL_DIR} ${NOTMUCH_CONFIG} %NULL%
+{
+ notmuch_config_list_t *list;
+ EXPECT0(notmuch_database_get_config_list (db, "", &list));
+ for (; notmuch_config_list_valid (list); notmuch_config_list_move_to_next (list)) {
+ printf("%s %s\n", notmuch_config_list_key (list), notmuch_config_list_value(list));
+ }
+ notmuch_config_list_destroy (list);
+}
+EOF
+cat <<'EOF' >EXPECTED
+== stdout ==
+aaabefore beforeval
+key with spaces value, with, spaces!
+test.key1 testvalue1
+test.key2 testvalue2
+zzzafter afterval
+== stderr ==
+EOF
+test_expect_equal_file EXPECTED OUTPUT
+
+test_begin_subtest "notmuch_database_get_config_list: one prefix (ndlc)"
+cat c_head2 - c_tail <<'EOF' | test_C ${MAIL_DIR} ${NOTMUCH_CONFIG} %NULL%