open-vault/vault/counters_test.go

123 lines
4.2 KiB
Go

package vault
import (
"context"
"sync/atomic"
"testing"
"time"
"github.com/go-test/deep"
)
//noinspection SpellCheckingInspection
func testParseTime(t *testing.T, format, timeval string) time.Time {
t.Helper()
tm, err := time.Parse(format, timeval)
if err != nil {
t.Fatalf("Error parsing time '%s': %v", timeval, err)
}
return tm
}
// TestRequestCounterLoadCurrent exercises the code that primes the in-mem
// request counters from persistent storage.
func TestRequestCounterLoadCurrent(t *testing.T) {
c, _, _ := TestCoreUnsealed(t)
december2018 := testParseTime(t, time.RFC3339, "2018-12-05T09:44:12-05:00")
decemberRequests := uint64(555)
// It's December, and we got some requests. Persist the counter.
atomic.StoreUint64(c.counters.requests, decemberRequests)
err := c.saveCurrentRequestCounters(context.Background(), december2018)
if err != nil {
t.Fatal(err)
}
// It's still December, simulate being restarted. At startup the counter is
// zero initially, until we read the counter from storage post-unseal via
// loadCurrentRequestCounters.
atomic.StoreUint64(c.counters.requests, 0)
err = c.loadCurrentRequestCounters(context.Background(), december2018)
if err != nil {
t.Fatal(err)
}
if got := atomic.LoadUint64(c.counters.requests); got != decemberRequests {
t.Fatalf("expected=%d, got=%d", decemberRequests, got)
}
// Now simulate being restarted in January. We never wrote anything out during
// January, so the in-mem counter should remain zero.
january2019 := testParseTime(t, time.RFC3339, "2019-01-02T08:21:11-05:00")
atomic.StoreUint64(c.counters.requests, 0)
err = c.loadCurrentRequestCounters(context.Background(), january2019)
if err != nil {
t.Fatal(err)
}
if got := atomic.LoadUint64(c.counters.requests); got != 0 {
t.Fatalf("expected=%d, got=%d", 0, got)
}
}
// TestRequestCounterSaveCurrent exercises the code that saves the in-mem
// request counters to persistent storage.
func TestRequestCounterSaveCurrent(t *testing.T) {
c, _, _ := TestCoreUnsealed(t)
// storeSaveLoad stores newValue in the in-mem counter, saves it to storage,
// then verifies in-mem counter has value expectedPostLoad.
storeSaveLoad := func(newValue, expectedPostLoad uint64, now time.Time) {
t.Helper()
atomic.StoreUint64(c.counters.requests, newValue)
err := c.saveCurrentRequestCounters(context.Background(), now)
if err != nil {
t.Fatal(err)
}
if got := atomic.LoadUint64(c.counters.requests); got != expectedPostLoad {
t.Fatalf("expected=%d, got=%d", expectedPostLoad, got)
}
}
// Start in December. The first write ever should persist the current in-mem value.
december2018 := testParseTime(t, time.RFC3339, "2018-12-05T09:44:12-05:00")
decemberRequests := uint64(555)
storeSaveLoad(decemberRequests, decemberRequests, december2018)
// Update request count.
decemberRequests++
storeSaveLoad(decemberRequests, decemberRequests, december2018)
decemberStartTime := testParseTime(t, requestCounterDatePathFormat, december2018.Format(requestCounterDatePathFormat))
expected2018 := []DatedRequestCounter{
{StartTime: decemberStartTime, RequestCounter: RequestCounter{Total: &decemberRequests}},
}
all, err := c.loadAllRequestCounters(context.Background(), december2018)
if err != nil {
t.Fatal(err)
}
if diff := deep.Equal(all, expected2018); len(diff) != 0 {
t.Errorf("Expected=%v, got=%v, diff=%v", expected2018, all, diff)
}
// Now it's January. Saving after transition to new month should reset in-mem
// counter to zero, and also write zero to storage for the new month.
january2019 := testParseTime(t, time.RFC3339, "2019-01-02T08:21:11-05:00")
decemberRequests += 5
storeSaveLoad(decemberRequests, 0, january2019)
januaryRequests := uint64(333)
storeSaveLoad(januaryRequests, januaryRequests, january2019)
all, err = c.loadAllRequestCounters(context.Background(), january2019)
if err != nil {
t.Fatal(err)
}
januaryStartTime := testParseTime(t, requestCounterDatePathFormat, january2019.Format(requestCounterDatePathFormat))
expected2019 := expected2018
expected2019 = append(expected2019,
DatedRequestCounter{januaryStartTime, RequestCounter{&januaryRequests}})
if diff := deep.Equal(all, expected2019); len(diff) != 0 {
t.Errorf("Expected=%v, got=%v, diff=%v", expected2019, all, diff)
}
}