diff options
Diffstat (limited to 'daemon/unit_test.c')
| -rw-r--r-- | daemon/unit_test.c | 1568 |
1 files changed, 1568 insertions, 0 deletions
diff --git a/daemon/unit_test.c b/daemon/unit_test.c new file mode 100644 index 0000000..a92a50a --- /dev/null +++ b/daemon/unit_test.c @@ -0,0 +1,1568 @@ +// SPDX-License-Identifier: GPL-3.0-or-later + +#include "common.h" + +static int check_number_printing(void) { + struct { + calculated_number n; + const char *correct; + } values[] = { + { .n = 0, .correct = "0" }, + { .n = 0.0000001, .correct = "0.0000001" }, + { .n = 0.00000009, .correct = "0.0000001" }, + { .n = 0.000000001, .correct = "0" }, + { .n = 99.99999999999999999, .correct = "100" }, + { .n = -99.99999999999999999, .correct = "-100" }, + { .n = 123.4567890123456789, .correct = "123.456789" }, + { .n = 9999.9999999, .correct = "9999.9999999" }, + { .n = -9999.9999999, .correct = "-9999.9999999" }, + { .n = 0, .correct = NULL }, + }; + + char netdata[50], system[50]; + int i, failed = 0; + for(i = 0; values[i].correct ; i++) { + print_calculated_number(netdata, values[i].n); + snprintfz(system, 49, "%0.12" LONG_DOUBLE_MODIFIER, (LONG_DOUBLE)values[i].n); + + int ok = 1; + if(strcmp(netdata, values[i].correct) != 0) { + ok = 0; + failed++; + } + + fprintf(stderr, "'%s' (system) printed as '%s' (netdata): %s\n", system, netdata, ok?"OK":"FAILED"); + } + + if(failed) return 1; + return 0; +} + +static int check_rrdcalc_comparisons(void) { + RRDCALC_STATUS a, b; + + // make sure calloc() sets the status to UNINITIALIZED + memset(&a, 0, sizeof(RRDCALC_STATUS)); + if(a != RRDCALC_STATUS_UNINITIALIZED) { + fprintf(stderr, "%s is not zero.\n", rrdcalc_status2string(RRDCALC_STATUS_UNINITIALIZED)); + return 1; + } + + a = RRDCALC_STATUS_REMOVED; + b = RRDCALC_STATUS_UNDEFINED; + if(!(a < b)) { + fprintf(stderr, "%s is not less than %s\n", rrdcalc_status2string(a), rrdcalc_status2string(b)); + return 1; + } + + a = RRDCALC_STATUS_UNDEFINED; + b = RRDCALC_STATUS_UNINITIALIZED; + if(!(a < b)) { + fprintf(stderr, "%s is not less than %s\n", rrdcalc_status2string(a), rrdcalc_status2string(b)); + return 1; + } + + a = RRDCALC_STATUS_UNINITIALIZED; + b = RRDCALC_STATUS_CLEAR; + if(!(a < b)) { + fprintf(stderr, "%s is not less than %s\n", rrdcalc_status2string(a), rrdcalc_status2string(b)); + return 1; + } + + a = RRDCALC_STATUS_CLEAR; + b = RRDCALC_STATUS_RAISED; + if(!(a < b)) { + fprintf(stderr, "%s is not less than %s\n", rrdcalc_status2string(a), rrdcalc_status2string(b)); + return 1; + } + + a = RRDCALC_STATUS_RAISED; + b = RRDCALC_STATUS_WARNING; + if(!(a < b)) { + fprintf(stderr, "%s is not less than %s\n", rrdcalc_status2string(a), rrdcalc_status2string(b)); + return 1; + } + + a = RRDCALC_STATUS_WARNING; + b = RRDCALC_STATUS_CRITICAL; + if(!(a < b)) { + fprintf(stderr, "%s is not less than %s\n", rrdcalc_status2string(a), rrdcalc_status2string(b)); + return 1; + } + + fprintf(stderr, "RRDCALC_STATUSes are sortable.\n"); + + return 0; +} + +int check_storage_number(calculated_number n, int debug) { + char buffer[100]; + uint32_t flags = SN_EXISTS; + + storage_number s = pack_storage_number(n, flags); + calculated_number d = unpack_storage_number(s); + + if(!does_storage_number_exist(s)) { + fprintf(stderr, "Exists flags missing for number " CALCULATED_NUMBER_FORMAT "!\n", n); + return 5; + } + + calculated_number ddiff = d - n; + calculated_number dcdiff = ddiff * 100.0 / n; + + if(dcdiff < 0) dcdiff = -dcdiff; + + size_t len = (size_t)print_calculated_number(buffer, d); + calculated_number p = str2ld(buffer, NULL); + calculated_number pdiff = n - p; + calculated_number pcdiff = pdiff * 100.0 / n; + if(pcdiff < 0) pcdiff = -pcdiff; + + if(debug) { + fprintf(stderr, + CALCULATED_NUMBER_FORMAT " original\n" + CALCULATED_NUMBER_FORMAT " packed and unpacked, (stored as 0x%08X, diff " CALCULATED_NUMBER_FORMAT ", " CALCULATED_NUMBER_FORMAT "%%)\n" + "%s printed after unpacked (%zu bytes)\n" + CALCULATED_NUMBER_FORMAT " re-parsed from printed (diff " CALCULATED_NUMBER_FORMAT ", " CALCULATED_NUMBER_FORMAT "%%)\n\n", + n, + d, s, ddiff, dcdiff, + buffer, len, + p, pdiff, pcdiff + ); + if(len != strlen(buffer)) fprintf(stderr, "ERROR: printed number %s is reported to have length %zu but it has %zu\n", buffer, len, strlen(buffer)); + + if(dcdiff > ACCURACY_LOSS_ACCEPTED_PERCENT) + fprintf(stderr, "WARNING: packing number " CALCULATED_NUMBER_FORMAT " has accuracy loss " CALCULATED_NUMBER_FORMAT " %%\n", n, dcdiff); + + if(pcdiff > ACCURACY_LOSS_ACCEPTED_PERCENT) + fprintf(stderr, "WARNING: re-parsing the packed, unpacked and printed number " CALCULATED_NUMBER_FORMAT " has accuracy loss " CALCULATED_NUMBER_FORMAT " %%\n", n, pcdiff); + } + + if(len != strlen(buffer)) return 1; + if(dcdiff > ACCURACY_LOSS_ACCEPTED_PERCENT) return 3; + if(pcdiff > ACCURACY_LOSS_ACCEPTED_PERCENT) return 4; + return 0; +} + +calculated_number storage_number_min(calculated_number n) { + calculated_number r = 1, last; + + do { + last = n; + n /= 2.0; + storage_number t = pack_storage_number(n, SN_EXISTS); + r = unpack_storage_number(t); + } while(r != 0.0 && r != last); + + return last; +} + +void benchmark_storage_number(int loop, int multiplier) { + int i, j; + calculated_number n, d; + storage_number s; + unsigned long long user, system, total, mine, their; + + calculated_number storage_number_positive_min = unpack_storage_number(STORAGE_NUMBER_POSITIVE_MIN_RAW); + calculated_number storage_number_positive_max = unpack_storage_number(STORAGE_NUMBER_POSITIVE_MAX_RAW); + + char buffer[100]; + + struct rusage now, last; + + fprintf(stderr, "\n\nBenchmarking %d numbers, please wait...\n\n", loop); + + // ------------------------------------------------------------------------ + + fprintf(stderr, "SYSTEM LONG DOUBLE SIZE: %zu bytes\n", sizeof(calculated_number)); + fprintf(stderr, "NETDATA FLOATING POINT SIZE: %zu bytes\n", sizeof(storage_number)); + + mine = (calculated_number)sizeof(storage_number) * (calculated_number)loop; + their = (calculated_number)sizeof(calculated_number) * (calculated_number)loop; + + if(mine > their) { + fprintf(stderr, "\nNETDATA NEEDS %0.2" LONG_DOUBLE_MODIFIER " TIMES MORE MEMORY. Sorry!\n", (LONG_DOUBLE)(mine / their)); + } + else { + fprintf(stderr, "\nNETDATA INTERNAL FLOATING POINT ARITHMETICS NEEDS %0.2" LONG_DOUBLE_MODIFIER " TIMES LESS MEMORY.\n", (LONG_DOUBLE)(their / mine)); + } + + fprintf(stderr, "\nNETDATA FLOATING POINT\n"); + fprintf(stderr, "MIN POSITIVE VALUE " CALCULATED_NUMBER_FORMAT "\n", unpack_storage_number(STORAGE_NUMBER_POSITIVE_MIN_RAW)); + fprintf(stderr, "MAX POSITIVE VALUE " CALCULATED_NUMBER_FORMAT "\n", unpack_storage_number(STORAGE_NUMBER_POSITIVE_MAX_RAW)); + fprintf(stderr, "MIN NEGATIVE VALUE " CALCULATED_NUMBER_FORMAT "\n", unpack_storage_number(STORAGE_NUMBER_NEGATIVE_MIN_RAW)); + fprintf(stderr, "MAX NEGATIVE VALUE " CALCULATED_NUMBER_FORMAT "\n", unpack_storage_number(STORAGE_NUMBER_NEGATIVE_MAX_RAW)); + fprintf(stderr, "Maximum accuracy loss accepted: " CALCULATED_NUMBER_FORMAT "%%\n\n\n", (calculated_number)ACCURACY_LOSS_ACCEPTED_PERCENT); + + // ------------------------------------------------------------------------ + + fprintf(stderr, "INTERNAL LONG DOUBLE PRINTING: "); + getrusage(RUSAGE_SELF, &last); + + // do the job + for(j = 1; j < 11 ;j++) { + n = storage_number_positive_min * j; + + for(i = 0; i < loop ;i++) { + n *= multiplier; + if(n > storage_number_positive_max) n = storage_number_positive_min; + + print_calculated_number(buffer, n); + } + } + + getrusage(RUSAGE_SELF, &now); + user = now.ru_utime.tv_sec * 1000000ULL + now.ru_utime.tv_usec - last.ru_utime.tv_sec * 1000000ULL + last.ru_utime.tv_usec; + system = now.ru_stime.tv_sec * 1000000ULL + now.ru_stime.tv_usec - last.ru_stime.tv_sec * 1000000ULL + last.ru_stime.tv_usec; + total = user + system; + mine = total; + + fprintf(stderr, "user %0.5" LONG_DOUBLE_MODIFIER", system %0.5" LONG_DOUBLE_MODIFIER ", total %0.5" LONG_DOUBLE_MODIFIER "\n", (LONG_DOUBLE)(user / 1000000.0), (LONG_DOUBLE)(system / 1000000.0), (LONG_DOUBLE)(total / 1000000.0)); + + // ------------------------------------------------------------------------ + + fprintf(stderr, "SYSTEM LONG DOUBLE PRINTING: "); + getrusage(RUSAGE_SELF, &last); + + // do the job + for(j = 1; j < 11 ;j++) { + n = storage_number_positive_min * j; + + for(i = 0; i < loop ;i++) { + n *= multiplier; + if(n > storage_number_positive_max) n = storage_number_positive_min; + snprintfz(buffer, 100, CALCULATED_NUMBER_FORMAT, n); + } + } + + getrusage(RUSAGE_SELF, &now); + user = now.ru_utime.tv_sec * 1000000ULL + now.ru_utime.tv_usec - last.ru_utime.tv_sec * 1000000ULL + last.ru_utime.tv_usec; + system = now.ru_stime.tv_sec * 1000000ULL + now.ru_stime.tv_usec - last.ru_stime.tv_sec * 1000000ULL + last.ru_stime.tv_usec; + total = user + system; + their = total; + + fprintf(stderr, "user %0.5" LONG_DOUBLE_MODIFIER ", system %0.5" LONG_DOUBLE_MODIFIER ", total %0.5" LONG_DOUBLE_MODIFIER "\n", (LONG_DOUBLE)(user / 1000000.0), (LONG_DOUBLE)(system / 1000000.0), (LONG_DOUBLE)(total / 1000000.0)); + + if(mine > total) { + fprintf(stderr, "NETDATA CODE IS SLOWER %0.2" LONG_DOUBLE_MODIFIER " %%\n", (LONG_DOUBLE)(mine * 100.0 / their - 100.0)); + } + else { + fprintf(stderr, "NETDATA CODE IS F A S T E R %0.2" LONG_DOUBLE_MODIFIER " %%\n", (LONG_DOUBLE)(their * 100.0 / mine - 100.0)); + } + + // ------------------------------------------------------------------------ + + fprintf(stderr, "\nINTERNAL LONG DOUBLE PRINTING WITH PACK / UNPACK: "); + getrusage(RUSAGE_SELF, &last); + + // do the job + for(j = 1; j < 11 ;j++) { + n = storage_number_positive_min * j; + + for(i = 0; i < loop ;i++) { + n *= multiplier; + if(n > storage_number_positive_max) n = storage_number_positive_min; + + s = pack_storage_number(n, SN_EXISTS); + d = unpack_storage_number(s); + print_calculated_number(buffer, d); + } + } + + getrusage(RUSAGE_SELF, &now); + user = now.ru_utime.tv_sec * 1000000ULL + now.ru_utime.tv_usec - last.ru_utime.tv_sec * 1000000ULL + last.ru_utime.tv_usec; + system = now.ru_stime.tv_sec * 1000000ULL + now.ru_stime.tv_usec - last.ru_stime.tv_sec * 1000000ULL + last.ru_stime.tv_usec; + total = user + system; + mine = total; + + fprintf(stderr, "user %0.5" LONG_DOUBLE_MODIFIER ", system %0.5" LONG_DOUBLE_MODIFIER ", total %0.5" LONG_DOUBLE_MODIFIER "\n", (LONG_DOUBLE)(user / 1000000.0), (LONG_DOUBLE)(system / 1000000.0), (LONG_DOUBLE)(total / 1000000.0)); + + if(mine > their) { + fprintf(stderr, "WITH PACKING UNPACKING NETDATA CODE IS SLOWER %0.2" LONG_DOUBLE_MODIFIER " %%\n", (LONG_DOUBLE)(mine * 100.0 / their - 100.0)); + } + else { + fprintf(stderr, "EVEN WITH PACKING AND UNPACKING, NETDATA CODE IS F A S T E R %0.2" LONG_DOUBLE_MODIFIER " %%\n", (LONG_DOUBLE)(their * 100.0 / mine - 100.0)); + } + + // ------------------------------------------------------------------------ + +} + +static int check_storage_number_exists() { + uint32_t flags; + + + for(flags = 0; flags < 7 ; flags++) { + if(get_storage_number_flags(flags << 24) != flags << 24) { + fprintf(stderr, "Flag 0x%08x is not checked correctly. It became 0x%08x\n", flags << 24, get_storage_number_flags(flags << 24)); + return 1; + } + } + + flags = SN_EXISTS; + calculated_number n = 0.0; + + storage_number s = pack_storage_number(n, flags); + calculated_number d = unpack_storage_number(s); + if(get_storage_number_flags(s) != flags) { + fprintf(stderr, "Wrong flags. Given %08x, Got %08x!\n", flags, get_storage_number_flags(s)); + return 1; + } + if(n != d) { + fprintf(stderr, "Wrong number returned. Expected " CALCULATED_NUMBER_FORMAT ", returned " CALCULATED_NUMBER_FORMAT "!\n", n, d); + return 1; + } + + return 0; +} + +int unit_test_storage() { + if(check_storage_number_exists()) return 0; + + calculated_number storage_number_positive_min = unpack_storage_number(STORAGE_NUMBER_POSITIVE_MIN_RAW); + calculated_number storage_number_negative_max = unpack_storage_number(STORAGE_NUMBER_NEGATIVE_MAX_RAW); + + calculated_number c, a = 0; + int i, j, g, r = 0; + + for(g = -1; g <= 1 ; g++) { + a = 0; + + if(!g) continue; + + for(j = 0; j < 9 ;j++) { + a += 0.0000001; + c = a * g; + for(i = 0; i < 21 ;i++, c *= 10) { + if(c > 0 && c < storage_number_positive_min) continue; + if(c < 0 && c > storage_number_negative_max) continue; + + if(check_storage_number(c, 1)) return 1; + } + } + } + + // if(check_storage_number(858993459.1234567, 1)) return 1; + benchmark_storage_number(1000000, 2); + return r; +} + +int unit_test_str2ld() { + char *values[] = { + "1.2345678", "-35.6", "0.00123", "23842384234234.2", ".1", "1.2e-10", + "hello", "1wrong", "nan", "inf", NULL + }; + + int i; + for(i = 0; values[i] ; i++) { + char *e_mine = "hello", *e_sys = "world"; + LONG_DOUBLE mine = str2ld(values[i], &e_mine); + LONG_DOUBLE sys = strtold(values[i], &e_sys); + + if(isnan(mine)) { + if(!isnan(sys)) { + fprintf(stderr, "Value '%s' is parsed as %" LONG_DOUBLE_MODIFIER ", but system believes it is %" LONG_DOUBLE_MODIFIER ".\n", values[i], mine, sys); + return -1; + } + } + else if(isinf(mine)) { + if(!isinf(sys)) { + fprintf(stderr, "Value '%s' is parsed as %" LONG_DOUBLE_MODIFIER ", but system believes it is %" LONG_DOUBLE_MODIFIER ".\n", values[i], mine, sys); + return -1; + } + } + else if(mine != sys && abs(mine-sys) > 0.000001) { + fprintf(stderr, "Value '%s' is parsed as %" LONG_DOUBLE_MODIFIER ", but system believes it is %" LONG_DOUBLE_MODIFIER ", delta %" LONG_DOUBLE_MODIFIER ".\n", values[i], mine, sys, sys-mine); + return -1; + } + + if(e_mine != e_sys) { + fprintf(stderr, "Value '%s' is parsed correctly, but endptr is not right\n", values[i]); + return -1; + } + + fprintf(stderr, "str2ld() parsed value '%s' exactly the same way with strtold(), returned %" LONG_DOUBLE_MODIFIER " vs %" LONG_DOUBLE_MODIFIER "\n", values[i], mine, sys); + } + + return 0; +} + +int unit_test_buffer() { + BUFFER *wb = buffer_create(1); + char string[2048 + 1]; + char final[9000 + 1]; + int i; + + for(i = 0; i < 2048; i++) + string[i] = (char)((i % 24) + 'a'); + string[2048] = '\0'; + + const char *fmt = "string1: %s\nstring2: %s\nstring3: %s\nstring4: %s"; + buffer_sprintf(wb, fmt, string, string, string, string); + snprintfz(final, 9000, fmt, string, string, string, string); + + const char *s = buffer_tostring(wb); + + if(buffer_strlen(wb) != strlen(final) || strcmp(s, final) != 0) { + fprintf(stderr, "\nbuffer_sprintf() is faulty.\n"); + fprintf(stderr, "\nstring : %s (length %zu)\n", string, strlen(string)); + fprintf(stderr, "\nbuffer : %s (length %zu)\n", s, buffer_strlen(wb)); + fprintf(stderr, "\nexpected: %s (length %zu)\n", final, strlen(final)); + buffer_free(wb); + return -1; + } + + fprintf(stderr, "buffer_sprintf() works as expected.\n"); + buffer_free(wb); + return 0; +} + +// -------------------------------------------------------------------------------------------------------------------- + +struct feed_values { + unsigned long long microseconds; + collected_number value; +}; + +struct test { + char name[100]; + char description[1024]; + + int update_every; + unsigned long long multiplier; + unsigned long long divisor; + RRD_ALGORITHM algorithm; + + unsigned long feed_entries; + unsigned long result_entries; + struct feed_values *feed; + calculated_number *results; + + collected_number *feed2; + calculated_number *results2; +}; + +// -------------------------------------------------------------------------------------------------------------------- +// test1 +// test absolute values stored + +struct feed_values test1_feed[] = { + { 0, 10 }, + { 1000000, 20 }, + { 1000000, 30 }, + { 1000000, 40 }, + { 1000000, 50 }, + { 1000000, 60 }, + { 1000000, 70 }, + { 1000000, 80 }, + { 1000000, 90 }, + { 1000000, 100 }, +}; + +calculated_number test1_results[] = { + 20, 30, 40, 50, 60, 70, 80, 90, 100 +}; + +struct test test1 = { + "test1", // name + "test absolute values stored at exactly second boundaries", + 1, // update_every + 1, // multiplier + 1, // divisor + RRD_ALGORITHM_ABSOLUTE, // algorithm + 10, // feed entries + 9, // result entries + test1_feed, // feed + test1_results, // results + NULL, // feed2 + NULL // results2 +}; + +// -------------------------------------------------------------------------------------------------------------------- +// test2 +// test absolute values stored in the middle of second boundaries + +struct feed_values test2_feed[] = { + { 500000, 10 }, + { 1000000, 20 }, + { 1000000, 30 }, + { 1000000, 40 }, + { 1000000, 50 }, + { 1000000, 60 }, + { 1000000, 70 }, + { 1000000, 80 }, + { 1000000, 90 }, + { 1000000, 100 }, +}; + +calculated_number test2_results[] = { + 20, 30, 40, 50, 60, 70, 80, 90, 100 +}; + +struct test test2 = { + "test2", // name + "test absolute values stored in the middle of second boundaries", + 1, // update_every + 1, // multiplier + 1, // divisor + RRD_ALGORITHM_ABSOLUTE, // algorithm + 10, // feed entries + 9, // result entries + test2_feed, // feed + test2_results, // results + NULL, // feed2 + NULL // results2 +}; + +// -------------------------------------------------------------------------------------------------------------------- +// test3 + +struct feed_values test3_feed[] = { + { 0, 10 }, + { 1000000, 20 }, + { 1000000, 30 }, + { 1000000, 40 }, + { 1000000, 50 }, + { 1000000, 60 }, + { 1000000, 70 }, + { 1000000, 80 }, + { 1000000, 90 }, + { 1000000, 100 }, +}; + +calculated_number test3_results[] = { + 10, 10, 10, 10, 10, 10, 10, 10, 10 +}; + +struct test test3 = { + "test3", // name + "test incremental values stored at exactly second boundaries", + 1, // update_every + 1, // multiplier + 1, // divisor + RRD_ALGORITHM_INCREMENTAL, // algorithm + 10, // feed entries + 9, // result entries + test3_feed, // feed + test3_results, // results + NULL, // feed2 + NULL // results2 +}; + +// -------------------------------------------------------------------------------------------------------------------- +// test4 + +struct feed_values test4_feed[] = { + { 500000, 10 }, + { 1000000, 20 }, + { 1000000, 30 }, + { 1000000, 40 }, + { 1000000, 50 }, + { 1000000, 60 }, + { 1000000, 70 }, + { 1000000, 80 }, + { 1000000, 90 }, + { 1000000, 100 }, +}; + +calculated_number test4_results[] = { + 10, 10, 10, 10, 10, 10, 10, 10, 10 +}; + +struct test test4 = { + "test4", // name + "test incremental values stored in the middle of second boundaries", + 1, // update_every + 1, // multiplier + 1, // divisor + RRD_ALGORITHM_INCREMENTAL, // algorithm + 10, // feed entries + 9, // result entries + test4_feed, // feed + test4_results, // results + NULL, // feed2 + NULL // results2 +}; + +// -------------------------------------------------------------------------------------------------------------------- +// test5 - 32 bit overflows + +struct feed_values test5_feed[] = { + { 0, 0x00000000FFFFFFFFULL / 3 * 0 }, + { 1000000, 0x00000000FFFFFFFFULL / 3 * 1 }, + { 1000000, 0x00000000FFFFFFFFULL / 3 * 2 }, + { 1000000, 0x00000000FFFFFFFFULL / 3 * 0 }, + { 1000000, 0x00000000FFFFFFFFULL / 3 * 1 }, + { 1000000, 0x00000000FFFFFFFFULL / 3 * 2 }, + { 1000000, 0x00000000FFFFFFFFULL / 3 * 0 }, + { 1000000, 0x00000000FFFFFFFFULL / 3 * 1 }, + { 1000000, 0x00000000FFFFFFFFULL / 3 * 2 }, + { 1000000, 0x00000000FFFFFFFFULL / 3 * 0 }, +}; + +calculated_number test5_results[] = { + 0x00000000FFFFFFFFULL / 3, + 0x00000000FFFFFFFFULL / 3, + 0x00000000FFFFFFFFULL / 3, + 0x00000000FFFFFFFFULL / 3, + 0x00000000FFFFFFFFULL / 3, + 0x00000000FFFFFFFFULL / 3, + 0x00000000FFFFFFFFULL / 3, + 0x00000000FFFFFFFFULL / 3, + 0x00000000FFFFFFFFULL / 3, +}; + +struct test test5 = { + "test5", // name + "test 32-bit incremental values overflow", + 1, // update_every + 1, // multiplier + 1, // divisor + RRD_ALGORITHM_INCREMENTAL, // algorithm + 10, // feed entries + 9, // result entries + test5_feed, // feed + test5_results, // results + NULL, // feed2 + NULL // results2 +}; + +// -------------------------------------------------------------------------------------------------------------------- +// test5b - 16 bit overflows + +struct feed_values test5b_feed[] = { + { 0, 0x000000000000FFFFULL / 3 * 0 }, + { 1000000, 0x000000000000FFFFULL / 3 * 1 }, + { 1000000, 0x000000000000FFFFULL / 3 * 2 }, + { 1000000, 0x000000000000FFFFULL / 3 * 0 }, + { 1000000, 0x000000000000FFFFULL / 3 * 1 }, + { 1000000, 0x000000000000FFFFULL / 3 * 2 }, + { 1000000, 0x000000000000FFFFULL / 3 * 0 }, + { 1000000, 0x000000000000FFFFULL / 3 * 1 }, + { 1000000, 0x000000000000FFFFULL / 3 * 2 }, + { 1000000, 0x000000000000FFFFULL / 3 * 0 }, +}; + +calculated_number test5b_results[] = { + 0x000000000000FFFFULL / 3, + 0x000000000000FFFFULL / 3, + 0x000000000000FFFFULL / 3, + 0x000000000000FFFFULL / 3, + 0x000000000000FFFFULL / 3, + 0x000000000000FFFFULL / 3, + 0x000000000000FFFFULL / 3, + 0x000000000000FFFFULL / 3, + 0x000000000000FFFFULL / 3, +}; + +struct test test5b = { + "test5b", // name + "test 16-bit incremental values overflow", + 1, // update_every + 1, // multiplier + 1, // divisor + RRD_ALGORITHM_INCREMENTAL, // algorithm + 10, // feed entries + 9, // result entries + test5b_feed, // feed + test5b_results, // results + NULL, // feed2 + NULL // results2 +}; + +// -------------------------------------------------------------------------------------------------------------------- +// test5c - 8 bit overflows + +struct feed_values test5c_feed[] = { + { 0, 0x00000000000000FFULL / 3 * 0 }, + { 1000000, 0x00000000000000FFULL / 3 * 1 }, + { 1000000, 0x00000000000000FFULL / 3 * 2 }, + { 1000000, 0x00000000000000FFULL / 3 * 0 }, + { 1000000, 0x00000000000000FFULL / 3 * 1 }, + { 1000000, 0x00000000000000FFULL / 3 * 2 }, + { 1000000, 0x00000000000000FFULL / 3 * 0 }, + { 1000000, 0x00000000000000FFULL / 3 * 1 }, + { 1000000, 0x00000000000000FFULL / 3 * 2 }, + { 1000000, 0x00000000000000FFULL / 3 * 0 }, +}; + +calculated_number test5c_results[] = { + 0x00000000000000FFULL / 3, + 0x00000000000000FFULL / 3, + 0x00000000000000FFULL / 3, + 0x00000000000000FFULL / 3, + 0x00000000000000FFULL / 3, + 0x00000000000000FFULL / 3, + 0x00000000000000FFULL / 3, + 0x00000000000000FFULL / 3, + 0x00000000000000FFULL / 3, +}; + +struct test test5c = { + "test5c", // name + "test 8-bit incremental values overflow", + 1, // update_every + 1, // multiplier + 1, // divisor + RRD_ALGORITHM_INCREMENTAL, // algorithm + 10, // feed entries + 9, // result entries + test5c_feed, // feed + test5c_results, // results + NULL, // feed2 + NULL // results2 +}; + +// -------------------------------------------------------------------------------------------------------------------- +// test5d - 64 bit overflows + +struct feed_values test5d_feed[] = { + { 0, 0xFFFFFFFFFFFFFFFFULL / 3 * 0 }, + { 1000000, 0xFFFFFFFFFFFFFFFFULL / 3 * 1 }, + { 1000000, 0xFFFFFFFFFFFFFFFFULL / 3 * 2 }, + { 1000000, 0xFFFFFFFFFFFFFFFFULL / 3 * 0 }, + { 1000000, 0xFFFFFFFFFFFFFFFFULL / 3 * 1 }, + { 1000000, 0xFFFFFFFFFFFFFFFFULL / 3 * 2 }, + { 1000000, 0xFFFFFFFFFFFFFFFFULL / 3 * 0 }, + { 1000000, 0xFFFFFFFFFFFFFFFFULL / 3 * 1 }, + { 1000000, 0xFFFFFFFFFFFFFFFFULL / 3 * 2 }, + { 1000000, 0xFFFFFFFFFFFFFFFFULL / 3 * 0 }, +}; + +calculated_number test5d_results[] = { + 0xFFFFFFFFFFFFFFFFULL / 3, + 0xFFFFFFFFFFFFFFFFULL / 3, + 0xFFFFFFFFFFFFFFFFULL / 3, + 0xFFFFFFFFFFFFFFFFULL / 3, + 0xFFFFFFFFFFFFFFFFULL / 3, + 0xFFFFFFFFFFFFFFFFULL / 3, + 0xFFFFFFFFFFFFFFFFULL / 3, + 0xFFFFFFFFFFFFFFFFULL / 3, + 0xFFFFFFFFFFFFFFFFULL / 3, +}; + +struct test test5d = { + "test5d", // name + "test 64-bit incremental values overflow", + 1, // update_every + 1, // multiplier + 1, // divisor + RRD_ALGORITHM_INCREMENTAL, // algorithm + 10, // feed entries + 9, // result entries + test5d_feed, // feed + test5d_results, // results + NULL, // feed2 + NULL // results2 +}; + +// -------------------------------------------------------------------------------------------------------------------- +// test6 + +struct feed_values test6_feed[] = { + { 250000, 1000 }, + { 250000, 2000 }, + { 250000, 3000 }, + { 250000, 4000 }, + { 250000, 5000 }, + { 250000, 6000 }, + { 250000, 7000 }, + { 250000, 8000 }, + { 250000, 9000 }, + { 250000, 10000 }, + { 250000, 11000 }, + { 250000, 12000 }, + { 250000, 13000 }, + { 250000, 14000 }, + { 250000, 15000 }, + { 250000, 16000 }, +}; + +calculated_number test6_results[] = { + 4000, 4000, 4000, 4000 +}; + +struct test test6 = { + "test6", // name + "test incremental values updated within the same second", + 1, // update_every + 1, // multiplier + 1, // divisor + RRD_ALGORITHM_INCREMENTAL, // algorithm + 16, // feed entries + 4, // result entries + test6_feed, // feed + test6_results, // results + NULL, // feed2 + NULL // results2 +}; + +// -------------------------------------------------------------------------------------------------------------------- +// test7 + +struct feed_values test7_feed[] = { + { 500000, 1000 }, + { 2000000, 2000 }, + { 2000000, 3000 }, + { 2000000, 4000 }, + { 2000000, 5000 }, + { 2000000, 6000 }, + { 2000000, 7000 }, + { 2000000, 8000 }, + { 2000000, 9000 }, + { 2000000, 10000 }, +}; + +calculated_number test7_results[] = { + 500, 500, 500, 500, 500, 500, 500, 500, 500, 500, 500, 500, 500, 500, 500, 500, 500, 500, 500 +}; + +struct test test7 = { + "test7", // name + "test incremental values updated in long durations", + 1, // update_every + 1, // multiplier + 1, // divisor + RRD_ALGORITHM_INCREMENTAL, // algorithm + 10, // feed entries + 18, // result entries + test7_feed, // feed + test7_results, // results + NULL, // feed2 + NULL // results2 +}; + +// -------------------------------------------------------------------------------------------------------------------- +// test8 + +struct feed_values test8_feed[] = { + { 500000, 1000 }, + { 2000000, 2000 }, + { 2000000, 3000 }, + { 2000000, 4000 }, + { 2000000, 5000 }, + { 2000000, 6000 }, +}; + +calculated_number test8_results[] = { + 1250, 2000, 2250, 3000, 3250, 4000, 4250, 5000, 5250, 6000 +}; + +struct test test8 = { + "test8", // name + "test absolute values updated in long durations", + 1, // update_every + 1, // multiplier + 1, // divisor + RRD_ALGORITHM_ABSOLUTE, // algorithm + 6, // feed entries + 10, // result entries + test8_feed, // feed + test8_results, // results + NULL, // feed2 + NULL // results2 +}; + +// -------------------------------------------------------------------------------------------------------------------- +// test9 + +struct feed_values test9_feed[] = { + { 250000, 1000 }, + { 250000, 2000 }, + { 250000, 3000 }, + { 250000, 4000 }, + { 250000, 5000 }, + { 250000, 6000 }, + { 250000, 7000 }, + { 250000, 8000 }, + { 250000, 9000 }, + { 250000, 10000 }, + { 250000, 11000 }, + { 250000, 12000 }, + { 250000, 13000 }, + { 250000, 14000 }, + { 250000, 15000 }, + { 250000, 16000 }, +}; + +calculated_number test9_results[] = { + 4000, 8000, 12000, 16000 +}; + +struct test test9 = { + "test9", // name + "test absolute values updated within the same second", + 1, // update_every + 1, // multiplier + 1, // divisor + RRD_ALGORITHM_ABSOLUTE, // algorithm + 16, // feed entries + 4, // result entries + test9_feed, // feed + test9_results, // results + NULL, // feed2 + NULL // results2 +}; + +// -------------------------------------------------------------------------------------------------------------------- +// test10 + +struct feed_values test10_feed[] = { + { 500000, 1000 }, + { 600000, 1000 + 600 }, + { 200000, 1600 + 200 }, + { 1000000, 1800 + 1000 }, + { 200000, 2800 + 200 }, + { 2000000, 3000 + 2000 }, + { 600000, 5000 + 600 }, + { 400000, 5600 + 400 }, + { 900000, 6000 + 900 }, + { 1000000, 6900 + 1000 }, +}; + +calculated_number test10_results[] = { + 1000, 1000, 1000, 1000, 1000, 1000, 1000 +}; + +struct test test10 = { + "test10", // name + "test incremental values updated in short and long durations", + 1, // update_every + 1, // multiplier + 1, // divisor + RRD_ALGORITHM_INCREMENTAL, // algorithm + 10, // feed entries + 7, // result entries + test10_feed, // feed + test10_results, // results + NULL, // feed2 + NULL // results2 +}; + +// -------------------------------------------------------------------------------------------------------------------- +// test11 + +struct feed_values test11_feed[] = { + { 0, 10 }, + { 1000000, 20 }, + { 1000000, 30 }, + { 1000000, 40 }, + { 1000000, 50 }, + { 1000000, 60 }, + { 1000000, 70 }, + { 1000000, 80 }, + { 1000000, 90 }, + { 1000000, 100 }, +}; + +collected_number test11_feed2[] = { + 10, 20, 30, 40, 50, 60, 70, 80, 90, 100 +}; + +calculated_number test11_results[] = { + 50, 50, 50, 50, 50, 50, 50, 50, 50 +}; + +calculated_number test11_results2[] = { + 50, 50, 50, 50, 50, 50, 50, 50, 50 +}; + +struct test test11 = { + "test11", // name + "test percentage-of-incremental-row with equal values", + 1, // update_every + 1, // multiplier + 1, // divisor + RRD_ALGORITHM_PCENT_OVER_DIFF_TOTAL, // algorithm + 10, // feed entries + 9, // result entries + test11_feed, // feed + test11_results, // results + test11_feed2, // feed2 + test11_results2 // results2 +}; + +// -------------------------------------------------------------------------------------------------------------------- +// test12 + +struct feed_values test12_feed[] = { + { 0, 10 }, + { 1000000, 20 }, + { 1000000, 30 }, + { 1000000, 40 }, + { 1000000, 50 }, + { 1000000, 60 }, + { 1000000, 70 }, + { 1000000, 80 }, + { 1000000, 90 }, + { 1000000, 100 }, +}; + +collected_number test12_feed2[] = { + 10*3, 20*3, 30*3, 40*3, 50*3, 60*3, 70*3, 80*3, 90*3, 100*3 +}; + +calculated_number test12_results[] = { + 25, 25, 25, 25, 25, 25, 25, 25, 25 +}; + +calculated_number test12_results2[] = { + 75, 75, 75, 75, 75, 75, 75, 75, 75 +}; + +struct test test12 = { + "test12", // name + "test percentage-of-incremental-row with equal values", + 1, // update_every + 1, // multiplier + 1, // divisor + RRD_ALGORITHM_PCENT_OVER_DIFF_TOTAL, // algorithm + 10, // feed entries + 9, // result entries + test12_feed, // feed + test12_results, // results + test12_feed2, // feed2 + test12_results2 // results2 +}; + +// -------------------------------------------------------------------------------------------------------------------- +// test13 + +struct feed_values test13_feed[] = { + { 500000, 1000 }, + { 600000, 1000 + 600 }, + { 200000, 1600 + 200 }, + { 1000000, 1800 + 1000 }, + { 200000, 2800 + 200 }, + { 2000000, 3000 + 2000 }, + { 600000, 5000 + 600 }, + { 400000, 5600 + 400 }, + { 900000, 6000 + 900 }, + { 1000000, 6900 + 1000 }, +}; + +calculated_number test13_results[] = { + 83.3333300, 100, 100, 100, 100, 100, 100 +}; + +struct test test13 = { + "test13", // name + "test incremental values updated in short and long durations", + 1, // update_every + 1, // multiplier + 1, // divisor + RRD_ALGORITHM_PCENT_OVER_DIFF_TOTAL, // algorithm + 10, // feed entries + 7, // result entries + test13_feed, // feed + test13_results, // results + NULL, // feed2 + NULL // results2 +}; + +// -------------------------------------------------------------------------------------------------------------------- +// test14 + +struct feed_values test14_feed[] = { + { 0, 0x015397dc42151c41ULL }, + { 13573000, 0x015397e612e3ff5dULL }, + { 29969000, 0x015397f905ecdaa8ULL }, + { 29958000, 0x0153980c2a6cb5e4ULL }, + { 30054000, 0x0153981f4032fb83ULL }, + { 34952000, 0x015398355efadaccULL }, + { 25046000, 0x01539845ba4b09f8ULL }, + { 29947000, 0x0153985948bf381dULL }, + { 30054000, 0x0153986c5b9c27e2ULL }, + { 29942000, 0x0153987f888982d0ULL }, +}; + +calculated_number test14_results[] = { + 23.1383300, 21.8515600, 21.8804600, 21.7788000, 22.0112200, 22.4386100, 22.0906100, 21.9150800 +}; + +struct test test14 = { + "test14", // name + "issue #981 with real data", + 30, // update_every + 8, // multiplier + 1000000000, // divisor + RRD_ALGORITHM_INCREMENTAL, // algorithm + 10, // feed entries + 8, // result entries + test14_feed, // feed + test14_results, // results + NULL, // feed2 + NULL // results2 +}; + +struct feed_values test14b_feed[] = { + { 0, 0 }, + { 13573000, 13573000 }, + { 29969000, 13573000 + 29969000 }, + { 29958000, 13573000 + 29969000 + 29958000 }, + { 30054000, 13573000 + 29969000 + 29958000 + 30054000 }, + { 34952000, 13573000 + 29969000 + 29958000 + 30054000 + 34952000 }, + { 25046000, 13573000 + 29969000 + 29958000 + 30054000 + 34952000 + 25046000 }, + { 29947000, 13573000 + 29969000 + 29958000 + 30054000 + 34952000 + 25046000 + 29947000 }, + { 30054000, 13573000 + 29969000 + 29958000 + 30054000 + 34952000 + 25046000 + 29947000 + 30054000 }, + { 29942000, 13573000 + 29969000 + 29958000 + 30054000 + 34952000 + 25046000 + 29947000 + 30054000 + 29942000 }, +}; + +calculated_number test14b_results[] = { + 1000000, 1000000, 1000000, 1000000, 1000000, 1000000, 1000000, 1000000 +}; + +struct test test14b = { + "test14b", // name + "issue #981 with dummy data", + 30, // update_every + 1, // multiplier + 1, // divisor + RRD_ALGORITHM_INCREMENTAL, // algorithm + 10, // feed entries + 8, // result entries + test14b_feed, // feed + test14b_results, // results + NULL, // feed2 + NULL // results2 +}; + +struct feed_values test14c_feed[] = { + { 29000000, 29000000 }, + { 1000000, 29000000 + 1000000 }, + { 30000000, 29000000 + 1000000 + 30000000 }, + { 30000000, 29000000 + 1000000 + 30000000 + 30000000 }, + { 30000000, 29000000 + 1000000 + 30000000 + 30000000 + 30000000 }, + { 30000000, 29000000 + 1000000 + 30000000 + 30000000 + 30000000 + 30000000 }, + { 30000000, 29000000 + 1000000 + 30000000 + 30000000 + 30000000 + 30000000 + 30000000 }, + { 30000000, 29000000 + 1000000 + 30000000 + 30000000 + 30000000 + 30000000 + 30000000 + 30000000 }, + { 30000000, 29000000 + 1000000 + 30000000 + 30000000 + 30000000 + 30000000 + 30000000 + 30000000 + 30000000 }, + { 30000000, 29000000 + 1000000 + 30000000 + 30000000 + 30000000 + 30000000 + 30000000 + 30000000 + 30000000 + 30000000 }, +}; + +calculated_number test14c_results[] = { + 1000000, 1000000, 1000000, 1000000, 1000000, 1000000, 1000000, 1000000, 1000000 +}; + +struct test test14c = { + "test14c", // name + "issue #981 with dummy data, checking for late start", + 30, // update_every + 1, // multiplier + 1, // divisor + RRD_ALGORITHM_INCREMENTAL, // algorithm + 10, // feed entries + 9, // result entries + test14c_feed, // feed + test14c_results, // results + NULL, // feed2 + NULL // results2 +}; + +// -------------------------------------------------------------------------------------------------------------------- +// test15 + +struct feed_values test15_feed[] = { + { 0, 1068066388 }, + { 1008752, 1068822698 }, + { 993809, 1069573072 }, + { 995911, 1070324135 }, + { 1014562, 1071078166 }, + { 994684, 1071831349 }, + { 993128, 1072235739 }, + { 1010332, 1072958871 }, + { 1003394, 1073707019 }, + { 995201, 1074460255 }, +}; + +collected_number test15_feed2[] = { + 178825286, 178825286, 178825286, 178825286, 178825498, 178825498, 179165652, 179202964, 179203282, 179204130 +}; + +calculated_number test15_results[] = { + 5857.4080000, 5898.4540000, 5891.6590000, 5806.3160000, 5914.2640000, 3202.2630000, 5589.6560000, 5822.5260000, 5911.7520000 +}; + +calculated_number test15_results2[] = { + 0.0000000, 0.0000000, 0.0024944, 1.6324779, 0.0212777, 2655.1890000, 290.5387000, 5.6733610, 6.5960220 +}; + +struct test test15 = { + "test15", // name + "test incremental with 2 dimensions", + 1, // update_every + 8, // multiplier + 1024, // divisor + RRD_ALGORITHM_INCREMENTAL, // algorithm + 10, // feed entries + 9, // result entries + test15_feed, // feed + test15_results, // results + test15_feed2, // feed2 + test15_results2 // results2 +}; + +// -------------------------------------------------------------------------------------------------------------------- + +int run_test(struct test *test) +{ + fprintf(stderr, "\nRunning test '%s':\n%s\n", test->name, test->description); + + default_rrd_memory_mode = RRD_MEMORY_MODE_ALLOC; + default_rrd_update_every = test->update_every; + + char name[101]; + snprintfz(name, 100, "unittest-%s", test->name); + + // create the chart + RRDSET *st = rrdset_create_localhost("netdata", name, name, "netdata", NULL, "Unit Testing", "a value", "unittest", NULL, 1 + , test->update_every, RRDSET_TYPE_LINE); + RRDDIM *rd = rrddim_add(st, "dim1", NULL, test->multiplier, test->divisor, test->algorithm); + + RRDDIM *rd2 = NULL; + if(test->feed2) + rd2 = rrddim_add(st, "dim2", NULL, test->multiplier, test->divisor, test->algorithm); + + rrdset_flag_set(st, RRDSET_FLAG_DEBUG); + + // feed it with the test data + time_t time_now = 0, time_start = now_realtime_sec(); + unsigned long c; + collected_number last = 0; + for(c = 0; c < test->feed_entries; c++) { + if(debug_flags) fprintf(stderr, "\n\n"); + + if(c) { + time_now += test->feed[c].microseconds; + fprintf(stderr, " > %s: feeding position %lu, after %0.3f seconds (%0.3f seconds from start), delta " CALCULATED_NUMBER_FORMAT ", rate " CALCULATED_NUMBER_FORMAT "\n", + test->name, c+1, + (float)test->feed[c].microseconds / 1000000.0, + (float)time_now / 1000000.0, + ((calculated_number)test->feed[c].value - (calculated_number)last) * (calculated_number)test->multiplier / (calculated_number)test->divisor, + (((calculated_number)test->feed[c].value - (calculated_number)last) * (calculated_number)test->multiplier / (calculated_number)test->divisor) / (calculated_number)test->feed[c].microseconds * (calculated_number)1000000); + + // rrdset_next_usec_unfiltered(st, test->feed[c].microseconds); + st->usec_since_last_update = test->feed[c].microseconds; + } + else { + fprintf(stderr, " > %s: feeding position %lu\n", test->name, c+1); + } + + fprintf(stderr, " >> %s with value " COLLECTED_NUMBER_FORMAT "\n", rd->name, test->feed[c].value); + rrddim_set(st, "dim1", test->feed[c].value); + last = test->feed[c].value; + + if(rd2) { + fprintf(stderr, " >> %s with value " COLLECTED_NUMBER_FORMAT "\n", rd2->name, test->feed2[c]); + rrddim_set(st, "dim2", test->feed2[c]); + } + + rrdset_done(st); + + // align the first entry to second boundary + if(!c) { + fprintf(stderr, " > %s: fixing first collection time to be %llu microseconds to second boundary\n", test->name, test->feed[c].microseconds); + rd->last_collected_time.tv_usec = st->last_collected_time.tv_usec = st->last_updated.tv_usec = test->feed[c].microseconds; + // time_start = st->last_collected_time.tv_sec; + } + } + + // check the result + int errors = 0; + + if(st->counter != test->result_entries) { + fprintf(stderr, " %s stored %zu entries, but we were expecting %lu, ### E R R O R ###\n", test->name, st->counter, test->result_entries); + errors++; + } + + unsigned long max = (st->counter < test->result_entries)?st->counter:test->result_entries; + for(c = 0 ; c < max ; c++) { + calculated_number v = unpack_storage_number(rd->values[c]); + calculated_number n = unpack_storage_number(pack_storage_number(test->results[c], SN_EXISTS)); + int same = (calculated_number_round(v * 10000000.0) == calculated_number_round(n * 10000000.0))?1:0; + fprintf(stderr, " %s/%s: checking position %lu (at %lu secs), expecting value " CALCULATED_NUMBER_FORMAT ", found " CALCULATED_NUMBER_FORMAT ", %s\n", + test->name, rd->name, c+1, + (rrdset_first_entry_t(st) + c * st->update_every) - time_start, + n, v, (same)?"OK":"### E R R O R ###"); + + if(!same) errors++; + + if(rd2) { + v = unpack_storage_number(rd2->values[c]); + n = test->results2[c]; + same = (calculated_number_round(v * 10000000.0) == calculated_number_round(n * 10000000.0))?1:0; + fprintf(stderr, " %s/%s: checking position %lu (at %lu secs), expecting value " CALCULATED_NUMBER_FORMAT ", found " CALCULATED_NUMBER_FORMAT ", %s\n", + test->name, rd2->name, c+1, + (rrdset_first_entry_t(st) + c * st->update_every) - time_start, + n, v, (same)?"OK":"### E R R O R ###"); + if(!same) errors++; + } + } + + return errors; +} + +static int test_variable_renames(void) { + fprintf(stderr, "Creating chart\n"); + RRDSET *st = rrdset_create_localhost("chart", "ID", NULL, "family", "context", "Unit Testing", "a value", "unittest", NULL, 1, 1, RRDSET_TYPE_LINE); + fprintf(stderr, "Created chart with id '%s', name '%s'\n", st->id, st->name); + + fprintf(stderr, "Creating dimension DIM1\n"); + RRDDIM *rd1 = rrddim_add(st, "DIM1", NULL, 1, 1, RRD_ALGORITHM_INCREMENTAL); + fprintf(stderr, "Created dimension with id '%s', name '%s'\n", rd1->id, rd1->name); + + fprintf(stderr, "Creating dimension DIM2\n"); + RRDDIM *rd2 = rrddim_add(st, "DIM2", NULL, 1, 1, RRD_ALGORITHM_INCREMENTAL); + fprintf(stderr, "Created dimension with id '%s', name '%s'\n", rd2->id, rd2->name); + + fprintf(stderr, "Renaming chart to CHARTNAME1\n"); + rrdset_set_name(st, "CHARTNAME1"); + fprintf(stderr, "Renamed chart with id '%s' to name '%s'\n", st->id, st->name); + + fprintf(stderr, "Renaming chart to CHARTNAME2\n"); + rrdset_set_name(st, "CHARTNAME2"); + fprintf(stderr, "Renamed chart with id '%s' to name '%s'\n", st->id, st->name); + + fprintf(stderr, "Renaming dimension DIM1 to DIM1NAME1\n"); + rrddim_set_name(st, rd1, "DIM1NAME1"); + fprintf(stderr, "Renamed dimension with id '%s' to name '%s'\n", rd1->id, rd1->name); + + fprintf(stderr, "Renaming dimension DIM1 to DIM1NAME2\n"); + rrddim_set_name(st, rd1, "DIM1NAME2"); + fprintf(stderr, "Renamed dimension with id '%s' to name '%s'\n", rd1->id, rd1->name); + + fprintf(stderr, "Renaming dimension DIM2 to DIM2NAME1\n"); + rrddim_set_name(st, rd2, "DIM2NAME1"); + fprintf(stderr, "Renamed dimension with id '%s' to name '%s'\n", rd2->id, rd2->name); + + fprintf(stderr, "Renaming dimension DIM2 to DIM2NAME2\n"); + rrddim_set_name(st, rd2, "DIM2NAME2"); + fprintf(stderr, "Renamed dimension with id '%s' to name '%s'\n", rd2->id, rd2->name); + + BUFFER *buf = buffer_create(1); + health_api_v1_chart_variables2json(st, buf); + fprintf(stderr, "%s", buffer_tostring(buf)); + buffer_free(buf); + return 1; +} + +int check_strdupz_path_subpath() { + + struct strdupz_path_subpath_checks { + const char *path; + const char *subpath; + const char *result; + } checks[] = { + { "", "", "." }, + { "/", "", "/" }, + { "/etc/netdata", "", "/etc/netdata" }, + { "/etc/netdata///", "", "/etc/netdata" }, + { "/etc/netdata///", "health.d", "/etc/netdata/health.d" }, + { "/etc/netdata///", "///health.d", "/etc/netdata/health.d" }, + { "/etc/netdata", "///health.d", "/etc/netdata/health.d" }, + { "", "///health.d", "./health.d" }, + { "/", "///health.d", "/health.d" }, + + // terminator + { NULL, NULL, NULL } + }; + + size_t i; + for(i = 0; checks[i].result ; i++) { + char *s = strdupz_path_subpath(checks[i].path, checks[i].subpath); + fprintf(stderr, "strdupz_path_subpath(\"%s\", \"%s\") = \"%s\": ", checks[i].path, checks[i].subpath, s); + if(!s || strcmp(s, checks[i].result) != 0) { + freez(s); + fprintf(stderr, "FAILED\n"); + return 1; + } + else { + freez(s); + fprintf(stderr, "OK\n"); + } + } + + return 0; +} + +int run_all_mockup_tests(void) +{ + if(check_strdupz_path_subpath()) + return 1; + + if(check_number_printing()) + return 1; + + if(check_rrdcalc_comparisons()) + return 1; + + if(!test_variable_renames()) + return 1; + + if(run_test(&test1)) + return 1; + + if(run_test(&test2)) + return 1; + + if(run_test(&test3)) + return 1; + + if(run_test(&test4)) + return 1; + + if(run_test(&test5)) + return 1; + + if(run_test(&test5b)) + return 1; + + if(run_test(&test5c)) + return 1; + + if(run_test(&test5d)) + return 1; + + if(run_test(&test6)) + return 1; + + if(run_test(&test7)) + return 1; + + if(run_test(&test8)) + return 1; + + if(run_test(&test9)) + return 1; + + if(run_test(&test10)) + return 1; + + if(run_test(&test11)) + return 1; + + if(run_test(&test12)) + return 1; + + if(run_test(&test13)) + return 1; + + if(run_test(&test14)) + return 1; + + if(run_test(&test14b)) + return 1; + + if(run_test(&test14c)) + return 1; + + if(run_test(&test15)) + return 1; + + + + return 0; +} + +int unit_test(long delay, long shift) +{ + static int repeat = 0; + repeat++; + + char name[101]; + snprintfz(name, 100, "unittest-%d-%ld-%ld", repeat, delay, shift); + + //debug_flags = 0xffffffff; + default_rrd_memory_mode = RRD_MEMORY_MODE_ALLOC; + default_rrd_update_every = 1; + + int do_abs = 1; + int do_inc = 1; + int do_abst = 0; + int do_absi = 0; + + RRDSET *st = rrdset_create_localhost("netdata", name, name, "netdata", NULL, "Unit Testing", "a value", "unittest", NULL, 1, 1 + , RRDSET_TYPE_LINE); + rrdset_flag_set(st, RRDSET_FLAG_DEBUG); + + RRDDIM *rdabs = NULL; + RRDDIM *rdinc = NULL; + RRDDIM *rdabst = NULL; + RRDDIM *rdabsi = NULL; + + if(do_abs) rdabs = rrddim_add(st, "absolute", "absolute", 1, 1, RRD_ALGORITHM_ABSOLUTE); + if(do_inc) rdinc = rrddim_add(st, "incremental", "incremental", 1, 1, RRD_ALGORITHM_INCREMENTAL); + if(do_abst) rdabst = rrddim_add(st, "percentage-of-absolute-row", "percentage-of-absolute-row", 1, 1, RRD_ALGORITHM_PCENT_OVER_ROW_TOTAL); + if(do_absi) rdabsi = rrddim_add(st, "percentage-of-incremental-row", "percentage-of-incremental-row", 1, 1, RRD_ALGORITHM_PCENT_OVER_DIFF_TOTAL); + + long increment = 1000; + collected_number i = 0; + + unsigned long c, dimensions = 0; + RRDDIM *rd; + for(rd = st->dimensions ; rd ; rd = rd->next) dimensions++; + + for(c = 0; c < 20 ;c++) { + i += increment; + + fprintf(stderr, "\n\nLOOP = %lu, DELAY = %ld, VALUE = " COLLECTED_NUMBER_FORMAT "\n", c, delay, i); + if(c) { + // rrdset_next_usec_unfiltered(st, delay); + st->usec_since_last_update = delay; + } + if(do_abs) rrddim_set(st, "absolute", i); + if(do_inc) rrddim_set(st, "incremental", i); + if(do_abst) rrddim_set(st, "percentage-of-absolute-row", i); + if(do_absi) rrddim_set(st, "percentage-of-incremental-row", i); + + if(!c) { + now_realtime_timeval(&st->last_collected_time); + st->last_collected_time.tv_usec = shift; + } + + // prevent it from deleting the dimensions + for(rd = st->dimensions ; rd ; rd = rd->next) + rd->last_collected_time.tv_sec = st->last_collected_time.tv_sec; + + rrdset_done(st); + } + + unsigned long oincrement = increment; + increment = increment * st->update_every * 1000000 / delay; + fprintf(stderr, "\n\nORIGINAL INCREMENT: %lu, INCREMENT %ld, DELAY %ld, SHIFT %ld\n", oincrement * 10, increment * 10, delay, shift); + + int ret = 0; + storage_number sn; + calculated_number cn, v; + for(c = 0 ; c < st->counter ; c++) { + fprintf(stderr, "\nPOSITION: c = %lu, EXPECTED VALUE %lu\n", c, (oincrement + c * increment + increment * (1000000 - shift) / 1000000 )* 10); + + for(rd = st->dimensions ; rd ; rd = rd->next) { + sn = rd->values[c]; + cn = unpack_storage_number(sn); + fprintf(stderr, "\t %s " CALCULATED_NUMBER_FORMAT " (PACKED AS " STORAGE_NUMBER_FORMAT ") -> ", rd->id, cn, sn); + + if(rd == rdabs) v = + ( oincrement + // + (increment * (1000000 - shift) / 1000000) + + (c + 1) * increment + ); + + else if(rd == rdinc) v = (c?(increment):(increment * (1000000 - shift) / 1000000)); + else if(rd == rdabst) v = oincrement / dimensions / 10; + else if(rd == rdabsi) v = oincrement / dimensions / 10; + else v = 0; + + if(v == cn) fprintf(stderr, "passed.\n"); + else { + fprintf(stderr, "ERROR! (expected " CALCULATED_NUMBER_FORMAT ")\n", v); + ret = 1; + } + } + } + + if(ret) + fprintf(stderr, "\n\nUNIT TEST(%ld, %ld) FAILED\n\n", delay, shift); + + return ret; +} |