39 lines
1.2 KiB
C++
39 lines
1.2 KiB
C++
#include <doctest/doctest.h>
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#include "fgc/HostMetrics.h"
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using namespace fgc::hostmetrics;
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TEST_CASE("parseMeminfo extracts totals and swap usage") {
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const char* meminfo =
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"MemTotal: 16384000 kB\n"
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"MemFree: 2000000 kB\n"
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"MemAvailable: 8192000 kB\n"
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"Buffers: 100000 kB\n"
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"SwapTotal: 2048000 kB\n"
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"SwapFree: 1024000 kB\n";
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MemInfo m = parseMeminfo(meminfo);
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CHECK(m.ok);
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CHECK(m.total_mb == doctest::Approx(16384000.0 / 1024.0));
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CHECK(m.avail_mb == doctest::Approx(8192000.0 / 1024.0));
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CHECK(m.swap_used_mb == doctest::Approx((2048000.0 - 1024000.0) / 1024.0));
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}
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TEST_CASE("parseMeminfo: missing fields => not ok") {
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MemInfo m = parseMeminfo("MemFree: 100 kB\n");
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CHECK_FALSE(m.ok);
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}
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TEST_CASE("parseMilliCelsius converts sysfs milli-degrees") {
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CHECK(parseMilliCelsius("52000\n") == doctest::Approx(52.0));
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CHECK(parseMilliCelsius("") == doctest::Approx(0.0));
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}
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TEST_CASE("readDisk on the working tree returns sane values") {
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DiskInfo d = readDisk(".");
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CHECK(d.ok);
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CHECK(d.total_gb > 0.0);
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CHECK(d.used_pct >= 0.0);
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CHECK(d.used_pct <= 100.0);
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}
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