Exemple #1
0
func TestMultiDuplicateContent(t *testing.T) {
	_, multi, _, done := prepareMultiTest(t, 1, 1, 1)
	defer done()

	data := []byte("this is some test data")

	for i := 0; i < 10; i++ {
		storetests.ShouldCAS(t, multi,
			strconv.FormatInt(int64(i), 10),
			store.MissingV, store.DataV(data))
	}

	for i := 0; i < 10; i++ {
		storetests.ShouldGet(t, multi,
			strconv.FormatInt(int64(i), 10),
			data)
	}

	for i := 0; i < 5; i++ {
		storetests.ShouldCAS(t, multi,
			strconv.FormatInt(int64(i), 10),
			store.AnyV, store.MissingV)
	}

	for i := 5; i < 10; i++ {
		storetests.ShouldGet(t, multi,
			strconv.FormatInt(int64(i), 10),
			data)
	}
}
Exemple #2
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func TestCacheGCWorks(t *testing.T) {
	inner := &CountingStore{MockStore: storetests.NewMockStore(0)}
	cache := New(1024, inner)

	for i := 0; i < 1024; i++ {
		key := strconv.FormatInt(int64(i), 10)
		storetests.ShouldCAS(t, cache, key, store.AnyV, store.DataV([]byte(key)))
	}

	cache.assertUsedIsCorrect()
	t.Logf("cache.used after writes is %v", cache.used)

	for i := 0; i < 1024; i++ {
		key := strconv.FormatInt(int64(i), 10)
		storetests.ShouldGet(t, cache, key, []byte(key))
	}

	cache.assertUsedIsCorrect()
	t.Logf("cache.used after first reads is %v", cache.used)
	getsBefore := inner.gets

	for i := 0; i < 1024; i++ {
		key := strconv.FormatInt(int64(i), 10)
		storetests.ShouldGet(t, cache, key, []byte(key))
	}

	cache.assertUsedIsCorrect()
	t.Logf("cache.used after second reads is %v", cache.used)
	getsAfter := inner.gets

	if getsAfter != getsBefore+1024 {
		t.Errorf("wanted %v gets after, got %v", getsBefore+1024, getsAfter)
	}
}
Exemple #3
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func TestResplit(t *testing.T) {
	ds, tmpDir := makeTestingDirectory(t)
	defer os.RemoveAll(tmpDir)
	defer ds.Close()

	ds.mu.Lock()
	ds.minSplitSize = 2
	ds.maxSplitSize = 8
	ds.mu.Unlock()

	const itemCount = 50

	for i := 0; i < itemCount; i++ {
		key := strconv.FormatInt(int64(i), 3)
		storetests.ShouldCAS(t, ds, key, store.AnyV, store.DataV([]byte(key)))

		ds.resplit()

		for j := 0; j < itemCount; j++ {
			key := strconv.FormatInt(int64(j), 3)
			if j <= i {
				storetests.ShouldGet(t, ds, key, []byte(key))
			} else {
				storetests.ShouldGetMiss(t, ds, key)
			}
		}

		checkSplitCountSizes(t, "insertion", tmpDir, 2, 8)
	}

	for i := 0; i < itemCount; i++ {
		key := strconv.FormatInt(int64(i), 3)
		storetests.ShouldCAS(t, ds, key, store.AnyV, store.MissingV)

		ds.resplit()

		for j := 0; j < itemCount; j++ {
			key := strconv.FormatInt(int64(j), 3)
			if j <= i {
				storetests.ShouldGetMiss(t, ds, key)
			} else {
				storetests.ShouldGet(t, ds, key, []byte(key))
			}
		}

		checkSplitCountSizes(t, "deletion", tmpDir, 2, 8)
	}
}
Exemple #4
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func TestMultiScrubChangeRedundancy(t *testing.T) {
	killers, multi, _, done := prepareMultiTest(t, 2, 3, 5)
	defer done()

	data := []byte("who knows where the wind goes")

	for i := 0; i < 10; i++ {
		storetests.ShouldCAS(t, multi,
			strconv.FormatInt(int64(i), 10),
			store.MissingV, store.DataV(data))
	}

	err := multi.SetRedundancy(2, 5)
	if err != nil {
		t.Fatalf("Couldn't adjust redundancy: %v", err)
	}

	multi.scrubAll()

	killers[0].setKilled(true)
	killers[1].setKilled(true)
	killers[2].setKilled(true)

	for i := 0; i < 10; i++ {
		storetests.ShouldGet(t, multi,
			strconv.FormatInt(int64(i), 10),
			data)
	}
}
Exemple #5
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func TestCacheUpdatesOnUnknownChanges(t *testing.T) {
	inner := &CountingStore{MockStore: storetests.NewMockStore(0)}
	cache := New(1024, inner)

	storetests.ShouldCAS(t, cache, "asdf", store.AnyV, store.DataV([]byte("hello")))
	cache.Clear()
	storetests.ShouldGet(t, cache, "asdf", []byte("hello"))
	storetests.ShouldCAS(t, inner, "asdf", store.AnyV, store.DataV([]byte("world")))
	storetests.ShouldGet(t, cache, "asdf", []byte("world"))

	if inner.gets != 2 {
		t.Errorf("wanted 2 inner gets, got %v", inner.gets)
	}

	if inner.stats != 1 {
		t.Errorf("wanted 1 inner Stats, got %v", inner.stats)
	}

	cache.assertUsedIsCorrect()
}
Exemple #6
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func TestCacheUpdatesOnStats(t *testing.T) {
	inner := &CountingStore{MockStore: storetests.NewMockStore(0)}
	cache := New(1024, inner)

	storetests.ShouldCAS(t, cache, "asdf", store.AnyV, store.DataV([]byte("hello")))
	storetests.ShouldGet(t, cache, "asdf", []byte("hello"))
	newData := store.DataV([]byte("world"))
	storetests.ShouldCAS(t, inner, "asdf", store.AnyV, newData)
	storetests.ShouldStatNoTime(t, cache, "asdf", store.Stat{Size: 5, SHA256: newData.SHA256})
	storetests.ShouldGet(t, cache, "asdf", []byte("world"))

	if inner.gets != 1 {
		t.Errorf("wanted 1 inner gets, got %v", inner.gets)
	}

	if inner.stats != 2 {
		t.Errorf("wanted 2 inner Stats, got %v", inner.stats)
	}

	cache.assertUsedIsCorrect()
}
Exemple #7
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func TestCacheDoesntCacheErrors(t *testing.T) {
	inner := &ErrorStore{MockStore: storetests.NewMockStore(0)}
	cache := New(1024, inner)

	storetests.ShouldCAS(t, cache, "asdf", store.AnyV, store.DataV([]byte("hello")))
	cache.Clear()

	inner.isErroring = true
	for i := 0; i < 10; i++ {
		storetests.ShouldGetError(t, cache, "asdf", ErrErrorStore)
	}

	cache.assertUsedIsCorrect()

	inner.isErroring = false
	storetests.ShouldGet(t, cache, "asdf", []byte("hello"))

	cache.assertUsedIsCorrect()
}
Exemple #8
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func TestCacheCachesGets(t *testing.T) {
	inner := &CountingStore{MockStore: storetests.NewMockStore(0)}
	cache := New(1024, inner)

	storetests.ShouldCAS(t, inner, "asdf", store.AnyV, store.DataV([]byte("hello")))
	cache.assertUsedIsCorrect()

	for i := 0; i < 10; i++ {
		storetests.ShouldGet(t, cache, "asdf", []byte("hello"))
		cache.assertUsedIsCorrect()
	}

	if inner.gets != 1 {
		t.Errorf("wanted 1 inner Get, got %v", inner.gets)
	}

	if inner.stats != 9 {
		t.Errorf("wanted 9 inner Stats, got %v", inner.stats)
	}

	cache.assertUsedIsCorrect()
}
Exemple #9
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func TestMultiRecovery(t *testing.T) {
	for total := 4; total < 6; total++ {
		killers, multi, _, done := prepareMultiTest(t, 3, total, 6)
		defer done()

		for i := 0; i < 20; i++ {
			key := strconv.FormatInt(int64(i), 10)
			var value []byte
			for j := 0; j < i; j++ {
				value = append(value, []byte(key)...)
			}

			storetests.ShouldCAS(t, multi, key, store.MissingV, store.DataV(value))
		}

		for i := 0; i < total-3; i++ {
			for {
				k := killers[rand.Intn(len(killers))]
				if k.isKilled() {
					continue
				}
				k.setKilled(true)
				break
			}
		}

		for i := 0; i < 20; i++ {
			key := strconv.FormatInt(int64(i), 10)
			var value []byte
			for j := 0; j < i; j++ {
				value = append(value, []byte(key)...)
			}

			storetests.ShouldGet(t, multi, key, value)
		}
	}
}