9bf6b5c837
Add a simple framework to exercise the json formatter and add testing target that validates the output. Run 'make test-json' to execute all available tests, requires 'jq' utility for validation (https://github.com/stedolan/jq). Signed-off-by: David Sterba <dsterba@suse.com>
97 lines
2.3 KiB
C
97 lines
2.3 KiB
C
/*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public
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* License v2 as published by the Free Software Foundation.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* General Public License for more details.
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*
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* You should have received a copy of the GNU General Public
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* License along with this program; if not, write to the
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* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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* Boston, MA 021110-1307, USA.
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*/
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/*
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* Test json output formatter
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*
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* Usage:
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*
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* $ ./json-formatter-test
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* 123
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*
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* Without arguments returns the number of tests.
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*
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* $ ./json-formatter-test 17
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* ...
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*
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* Run the given test, print formatted json for further processing or validation.
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*/
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#include <stdio.h>
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#include <stdlib.h>
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#include "common/utils.h"
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#include "common/format-output.h"
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#include "cmds/commands.h"
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/* Default empty output */
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void test_simple_empty()
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{
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static const struct rowspec rows[] = {
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ROWSPEC_END
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};
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struct format_ctx fctx;
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fmt_start(&fctx, rows, 32, 0);
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fmt_end(&fctx);
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}
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/* Single object with a few members */
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void test1()
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{
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static const struct rowspec rows1[] = {
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{ .key = "device", .fmt = "%s", .out_text = "device", .out_json = "device" },
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{ .key = "devid", .fmt = "%llu", .out_text = "devid", .out_json = "devid" },
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ROWSPEC_END
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};
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struct format_ctx fctx;
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fmt_start(&fctx, rows1, 32, 0);
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fmt_print_start_group(&fctx, "device-info", JSON_TYPE_MAP);
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fmt_print(&fctx, "device", "/dev/sda");
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fmt_print(&fctx, "devid", 1);
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fmt_print_end_group(&fctx, NULL);
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fmt_end(&fctx);
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}
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int main(int argc, char **argv)
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{
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int testno;
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static void (*tests[])() = {
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test_simple_empty,
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test1,
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};
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btrfs_config_init();
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bconf.output_format = CMD_FORMAT_JSON;
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/* Without arguments, print the number of tests available */
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if (argc == 1) {
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printf("%zu\n", ARRAY_SIZE(tests));
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return 0;
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}
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testno = atoi(argv[1]);
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testno--;
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if (testno < 0 || testno >= ARRAY_SIZE(tests)) {
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fprintf(stderr, "ERROR: test number %d is out of range (max %zu)\n",
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testno + 1, ARRAY_SIZE(tests));
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return 1;
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}
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tests[testno]();
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return 0;
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}
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