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streams_test.go
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streams_test.go
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package redimo
import (
"sync"
"testing"
"time"
"github.com/stretchr/testify/assert"
)
func TestStreamCRU(t *testing.T) {
c := newClient(t)
insertID1, err := c.XADD("x1", XAutoID, map[string]Value{"f1": StringValue{"v1"}, "f2": StringValue{"v2"}})
assert.NoError(t, err)
assert.Greater(t, insertID1.String(), XStart.String())
items, err := c.XRANGE("x1", XStart, XEnd, 100)
assert.NoError(t, err)
assert.Equal(t, 1, len(items))
assert.Equal(t, insertID1, items[0].ID)
count, err := c.XLEN("x1", XStart, XEnd)
assert.NoError(t, err)
assert.Equal(t, int64(1), count)
insertID2, err := c.XADD("x1", XAutoID, map[string]Value{"f3": StringValue{"v3"}, "f4": StringValue{"v4"}})
assert.NoError(t, err)
assert.Greater(t, insertID2.String(), insertID1.String())
count, err = c.XLEN("x1", XStart, XEnd)
assert.NoError(t, err)
assert.Equal(t, int64(2), count)
items, err = c.XRANGE("x1", XStart, XEnd, 100)
assert.NoError(t, err)
assert.Equal(t, 2, len(items))
assert.Equal(t, 2, len(items[0].Fields))
assert.Equal(t, 2, len(items[1].Fields))
assert.Equal(t, insertID1, items[0].ID)
assert.Equal(t, "v1", items[0].Fields["f1"].String())
assert.Equal(t, insertID2, items[1].ID)
assert.Equal(t, "v4", items[1].Fields["f4"].String())
items, err = c.XREVRANGE("x1", XEnd, XStart, 100)
assert.NoError(t, err)
assert.Equal(t, 2, len(items))
assert.Equal(t, insertID2, items[0].ID)
assert.Equal(t, insertID1, items[1].ID)
items, err = c.XREAD("x1", XStart, 1)
assert.NoError(t, err)
assert.Equal(t, 1, len(items))
assert.Equal(t, insertID1, items[0].ID)
items, err = c.XREAD("x1", items[0].ID, 1)
assert.NoError(t, err)
assert.Equal(t, 1, len(items))
assert.Equal(t, insertID2, items[0].ID)
}
func TestStreamDeletes(t *testing.T) {
c := newClient(t)
insertID1, err := c.XADD("x1", XAutoID, map[string]Value{"f1": StringValue{"v1"}, "f2": StringValue{"v2"}})
assert.NoError(t, err)
insertID2, err := c.XADD("x1", XAutoID, map[string]Value{"f3": StringValue{"v3"}, "f4": StringValue{"v4"}})
assert.NoError(t, err)
insertID3, err := c.XADD("x1", XAutoID, map[string]Value{"f5": StringValue{"v5"}, "f6": StringValue{"v6"}})
assert.NoError(t, err)
insertID4, err := c.XADD("x1", XAutoID, map[string]Value{"f5": StringValue{"v5"}, "f6": StringValue{"v6"}})
assert.NoError(t, err)
items, err := c.XRANGE("x1", XStart, XEnd, 100)
assert.NoError(t, err)
assert.Equal(t, 4, len(items))
assert.Equal(t, insertID1, items[0].ID)
assert.Equal(t, insertID2, items[1].ID)
assert.Equal(t, insertID3, items[2].ID)
assert.Equal(t, insertID4, items[3].ID)
deletedIds, err := c.XDEL("x1", insertID2, insertID3, NewXID(time.Now(), 1234))
assert.NoError(t, err)
assert.Equal(t, 2, len(deletedIds))
items, err = c.XRANGE("x1", XStart, XEnd, 100)
assert.NoError(t, err)
assert.Equal(t, 2, len(items))
assert.Equal(t, insertID1, items[0].ID)
assert.Equal(t, insertID4, items[1].ID)
insertID5, err := c.XADD("x1", XAutoID, map[string]Value{"f7": StringValue{"v7"}, "f8": StringValue{"v8"}})
assert.NoError(t, err)
items, err = c.XRANGE("x1", XStart, XEnd, 100)
assert.NoError(t, err)
assert.Equal(t, 3, len(items))
assert.Equal(t, insertID5, items[2].ID)
deletedCount, err := c.XTRIM("x1", 2)
assert.NoError(t, err)
assert.Equal(t, int64(1), deletedCount)
items, err = c.XRANGE("x1", XStart, XEnd, 100)
assert.NoError(t, err)
assert.Equal(t, 2, len(items))
assert.Equal(t, insertID4, items[0].ID)
assert.Equal(t, insertID5, items[1].ID)
}
func TestStreamsConsumerGroupsNoACK(t *testing.T) {
c := newClient(t)
allItems := make([]StreamItem, 0, 25)
key := "x1"
group := "group"
for i := 0; i < 30; i++ {
fields := map[string]Value{"i": IntValue{int64(i)}}
insertedID, err := c.XADD(key, XAutoID, fields)
allItems = append(allItems, StreamItem{ID: insertedID, Fields: map[string]ReturnValue{"i": {IntValue{int64(i)}.ToAV()}}})
assert.NoError(t, err)
}
err := c.XGROUP(key, group, XStart)
assert.NoError(t, err)
consumer1 := "mercury"
consumer2 := "venus"
consumer3 := "earth"
item1, err := c.XREADGROUP(key, group, consumer1, XReadNewAutoACK, 1)
assert.NoError(t, err)
assert.Equal(t, allItems[0], item1[0])
item2, err := c.XREADGROUP(key, group, consumer2, XReadNewAutoACK, 1)
assert.NoError(t, err)
assert.Equal(t, allItems[1], item2[0])
item3, err := c.XREADGROUP(key, group, consumer3, XReadNewAutoACK, 1)
assert.NoError(t, err)
assert.Equal(t, allItems[2], item3[0])
collector := make(chan StreamItem)
wg := sync.WaitGroup{}
for i := 0; i < 5; i++ {
wg.Add(1)
go func() {
item, err := c.XREADGROUP(key, group, "parallel!", XReadNewAutoACK, 1)
if err != nil {
assert.NoError(t, err)
} else {
collector <- item[0]
}
wg.Add(-1)
}()
}
go func() {
wg.Wait()
close(collector)
}()
parallelItems := make([]StreamItem, 0, 5)
for item := range collector {
parallelItems = append(parallelItems, item)
}
assert.ElementsMatch(t, allItems[3:8], parallelItems)
}
func TestStreamsConsumerGroupACK(t *testing.T) {
c := newClient(t)
allItems := make([]StreamItem, 0, 25)
key := "x1"
group := "group"
for i := 0; i < 5; i++ {
fields := map[string]Value{"i": IntValue{int64(i)}}
insertedID, err := c.XADD(key, XAutoID, fields)
allItems = append(allItems, StreamItem{ID: insertedID, Fields: map[string]ReturnValue{"i": {IntValue{int64(i)}.ToAV()}}})
assert.NoError(t, err)
}
err := c.XGROUP(key, group, XStart)
assert.NoError(t, err)
nowTS := time.Now().Unix()
consumer1 := "mercury"
consumer2 := "venus"
consumer3 := "earth"
item1, err := c.XREADGROUP(key, group, consumer1, XReadNew, 1)
assert.NoError(t, err)
assert.Equal(t, allItems[0], item1[0])
item2, err := c.XREADGROUP(key, group, consumer2, XReadNew, 1)
assert.NoError(t, err)
assert.Equal(t, allItems[1], item2[0])
item3, err := c.XREADGROUP(key, group, consumer3, XReadNew, 1)
assert.NoError(t, err)
assert.Equal(t, allItems[2], item3[0])
pendingItems, err := c.XPENDING(key, group, 100)
assert.NoError(t, err)
assert.Equal(t, 3, len(pendingItems))
assert.Equal(t, pendingItems[0].ID, item1[0].ID)
assert.Equal(t, pendingItems[1].ID, item2[0].ID)
assert.Equal(t, pendingItems[2].ID, item3[0].ID)
assert.Equal(t, consumer1, pendingItems[0].Consumer)
assert.Equal(t, consumer2, pendingItems[1].Consumer)
assert.Equal(t, consumer3, pendingItems[2].Consumer)
assert.Equal(t, int64(1), pendingItems[0].DeliveryCount)
assert.GreaterOrEqual(t, pendingItems[0].LastDelivered.Unix(), nowTS)
redeliveredItem1, err := c.XREADGROUP(key, group, consumer1, XReadPending, 1)
assert.NoError(t, err)
assert.Equal(t, item1, redeliveredItem1)
redeliveredItem2, err := c.XREADGROUP(key, group, consumer2, XReadPending, 1)
assert.NoError(t, err)
assert.Equal(t, item2, redeliveredItem2)
pendingItems, err = c.XPENDING(key, group, 100)
assert.NoError(t, err)
assert.Equal(t, pendingItems[0].ID, item1[0].ID)
assert.Equal(t, pendingItems[1].ID, item2[0].ID)
assert.Equal(t, pendingItems[2].ID, item3[0].ID)
assert.Equal(t, consumer1, pendingItems[0].Consumer)
assert.Equal(t, consumer2, pendingItems[1].Consumer)
assert.Equal(t, 3, len(pendingItems))
assert.Equal(t, int64(2), pendingItems[0].DeliveryCount)
assert.Equal(t, int64(2), pendingItems[1].DeliveryCount)
ackedIds, err := c.XACK(key, group, item1[0].ID, item2[0].ID)
assert.NoError(t, err)
assert.ElementsMatch(t, []XID{item1[0].ID, item2[0].ID}, ackedIds)
pendingItems, err = c.XPENDING(key, group, 100)
assert.NoError(t, err)
assert.Equal(t, 1, len(pendingItems))
assert.Equal(t, pendingItems[0].ID, item3[0].ID)
assert.Equal(t, consumer3, pendingItems[0].Consumer)
claimedItems, err := c.XCLAIM(key, group, consumer1, pendingItems[0].LastDelivered, pendingItems[0].ID)
assert.NoError(t, err)
assert.Len(t, claimedItems, 1)
pendingItems, err = c.XPENDING(key, group, 100)
assert.NoError(t, err)
assert.Equal(t, 1, len(pendingItems))
assert.Equal(t, pendingItems[0].ID, item3[0].ID)
assert.Equal(t, consumer1, pendingItems[0].Consumer)
claimedItems, err = c.XCLAIM(key, group, consumer2, pendingItems[0].LastDelivered.Add(-10*time.Second), pendingItems[0].ID)
assert.NoError(t, err)
assert.Len(t, claimedItems, 0)
pendingItems, err = c.XPENDING(key, group, 100)
assert.NoError(t, err)
assert.Equal(t, 1, len(pendingItems))
assert.Equal(t, pendingItems[0].ID, item3[0].ID)
assert.Equal(t, consumer1, pendingItems[0].Consumer)
}
func TestXIDGeneration(t *testing.T) {
assert.Equal(t, "00000000000000012345-00000000000000000000", NewTimeXID(time.Unix(12345, 0)).First().String())
assert.Equal(t, "00000000000000012345-99999999999999999999", NewTimeXID(time.Unix(12345, 0)).Last().String())
}
func TestRanges(t *testing.T) {
c := newClient(t)
allItems := make([]StreamItem, 0, 30)
key := "x1"
for i := 0; i < 30; i++ {
fields := map[string]Value{"i": IntValue{int64(i)}}
insertedID, err := c.XADD(key, XAutoID, fields)
allItems = append(allItems, StreamItem{ID: insertedID, Fields: map[string]ReturnValue{"i": {IntValue{int64(i)}.ToAV()}}})
assert.NoError(t, err)
}
r1, err := c.XRANGE(key, XStart, XEnd, 5)
assert.NoError(t, err)
assert.Equal(t, allItems[0:5], r1)
r2, err := c.XRANGE(key, r1[len(r1)-1].ID.Next(), XEnd, 5)
assert.NoError(t, err)
assert.Equal(t, allItems[5:10], r2)
reverse := func(a []StreamItem) []StreamItem {
for left, right := 0, len(a)-1; left < right; left, right = left+1, right-1 {
a[left], a[right] = a[right], a[left]
}
return a
}
rr1, err := c.XREVRANGE(key, XEnd, XStart, 5)
lastFetchedItemID := rr1[len(rr1)-1].ID
assert.NoError(t, err)
assert.Equal(t, allItems[25:30], reverse(rr1))
rr2, err := c.XREVRANGE(key, lastFetchedItemID.Prev(), XStart, 5)
assert.NoError(t, err)
assert.Equal(t, allItems[20:25], reverse(rr2))
}