db/prefixes/prefixes_test.go

@@ -2,11 +2,15 @@ package prefixes_test
 
 import (
 	"bytes"
+	"crypto/rand"
 	"encoding/csv"
 	"encoding/hex"
 	"fmt"
 	"log"
+	"math"
+	"math/big"
 	"os"
+	"sort"
 	"testing"
 
 	dbpkg "github.com/lbryio/herald.go/db"
@@ -366,14 +370,174 @@ func TestUTXOKey_String(t *testing.T) {
 	}
 }
 
+func TestTrendingNotifications(t *testing.T) {
+	prefix := byte(prefixes.TrendingNotifications)
+	filePath := fmt.Sprintf("../../testdata/%c.csv", prefix)
+	//synthesizeTestData([]byte{prefix}, filePath, []int{4, 20}, []int{8, 8}, [][3]int{})
+	key := &prefixes.TrendingNotificationKey{}
+	testGeneric(filePath, prefix, key.NumFields())(t)
+}
+
+func TestMempoolTx(t *testing.T) {
+	prefix := byte(prefixes.MempoolTx)
+	filePath := fmt.Sprintf("../../testdata/%c.csv", prefix)
+	//synthesizeTestData([]byte{prefix}, filePath, []int{32}, []int{}, [][3]int{{20, 100, 1}})
+	key := &prefixes.MempoolTxKey{}
+	testGeneric(filePath, prefix, key.NumFields())(t)
+}
+
+func TestTouchedHashX(t *testing.T) {
+	prefix := byte(prefixes.TouchedHashX)
+	filePath := fmt.Sprintf("../../testdata/%c.csv", prefix)
+	//synthesizeTestData([]byte{prefix}, filePath, []int{4}, []int{}, [][3]int{{1, 5, 11}})
+	key := &prefixes.TouchedHashXKey{}
+	testGeneric(filePath, prefix, key.NumFields())(t)
+}
+
 func TestHashXStatus(t *testing.T) {
-	filePath := fmt.Sprintf("../../testdata/%c.csv", prefixes.HashXStatus)
+	prefix := byte(prefixes.HashXStatus)
+	filePath := fmt.Sprintf("../../testdata/%c.csv", prefix)
+	//synthesizeTestData([]byte{prefix}, filePath, []int{20}, []int{32}, [][3]int{})
 	key := &prefixes.HashXStatusKey{}
-	testGeneric(filePath, prefixes.HashXStatus, key.NumFields())(t)
+	testGeneric(filePath, prefix, key.NumFields())(t)
 }
 
 func TestHashXMempoolStatus(t *testing.T) {
-	filePath := fmt.Sprintf("../../testdata/%c.csv", prefixes.HashXMempoolStatus)
+	prefix := byte(prefixes.HashXMempoolStatus)
+	filePath := fmt.Sprintf("../../testdata/%c.csv", prefix)
+	//synthesizeTestData([]byte{prefix}, filePath, []int{20}, []int{32}, [][3]int{})
 	key := &prefixes.HashXMempoolStatusKey{}
-	testGeneric(filePath, prefixes.HashXMempoolStatus, key.NumFields())(t)
+	testGeneric(filePath, prefix, key.NumFields())(t)
+}
+
+func synthesizeTestData(prefix []byte, filePath string, keyFixed, valFixed []int, valVariable [][3]int) {
+	file, err := os.OpenFile(filePath, os.O_CREATE|os.O_TRUNC|os.O_RDWR, 0644)
+	if err != nil {
+		panic(err)
+	}
+	defer file.Close()
+
+	records := make([][2][]byte, 0, 20)
+	for r := 0; r < 20; r++ {
+		key := make([]byte, 0, 1000)
+		key = append(key, prefix...)
+		val := make([]byte, 0, 1000)
+		// Handle fixed columns of key.
+		for _, width := range keyFixed {
+			v := make([]byte, width)
+			rand.Read(v)
+			key = append(key, v...)
+		}
+		// Handle fixed columns of value.
+		for _, width := range valFixed {
+			v := make([]byte, width)
+			rand.Read(v)
+			val = append(val, v...)
+		}
+		// Handle variable length array in value. Each element is "chunk" size.
+		for _, w := range valVariable {
+			low, high, chunk := w[0], w[1], w[2]
+			n, _ := rand.Int(rand.Reader, big.NewInt(int64(high-low)))
+			v := make([]byte, chunk*(low+int(n.Int64())))
+			rand.Read(v)
+			val = append(val, v...)
+		}
+		records = append(records, [2][]byte{key, val})
+	}
+
+	sort.Slice(records, func(i, j int) bool { return bytes.Compare(records[i][0], records[j][0]) == -1 })
+
+	wr := csv.NewWriter(file)
+	wr.Write([]string{string(prefix), ""}) // column headers
+	for _, rec := range records {
+		encoded := []string{hex.EncodeToString(rec[0]), hex.EncodeToString(rec[1])}
+		err := wr.Write(encoded)
+		if err != nil {
+			panic(err)
+		}
+	}
+	wr.Flush()
+}
+
+// Fuzz tests for various Key and Value types (EXPERIMENTAL)
+
+func FuzzTouchedHashXKey(f *testing.F) {
+	kvs := []prefixes.TouchedHashXKey{
+		{
+			Prefix: []byte{prefixes.TouchedHashX},
+			Height: 0,
+		},
+		{
+			Prefix: []byte{prefixes.TouchedHashX},
+			Height: 1,
+		},
+		{
+			Prefix: []byte{prefixes.TouchedHashX},
+			Height: math.MaxUint32,
+		},
+	}
+
+	for _, kv := range kvs {
+		seed := make([]byte, 0, 200)
+		seed = append(seed, kv.PackKey()...)
+		f.Add(seed)
+	}
+
+	f.Fuzz(func(t *testing.T, in []byte) {
+		t.Logf("testing: %+v", in)
+		out := make([]byte, 0, 200)
+		var kv prefixes.TouchedHashXKey
+		kv.UnpackKey(in)
+		out = append(out, kv.PackKey()...)
+		if len(in) >= 5 {
+			if !bytes.HasPrefix(in, out) {
+				t.Fatalf("%v: not equal after round trip: %v", in, out)
+			}
+		}
+	})
+}
+
+func FuzzTouchedHashXValue(f *testing.F) {
+	kvs := []prefixes.TouchedHashXValue{
+		{
+			TouchedHashXs: [][]byte{},
+		},
+		{
+			TouchedHashXs: [][]byte{
+				{0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10},
+			},
+		},
+		{
+			TouchedHashXs: [][]byte{
+				{0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0},
+				{0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10},
+			},
+		},
+		{
+			TouchedHashXs: [][]byte{
+				{0xff, 0xff, 2, 3, 4, 5, 6, 7, 8, 9, 10},
+				{0, 1, 0xff, 0xff, 4, 5, 6, 7, 8, 9, 10},
+				{0, 1, 2, 3, 0xff, 0xff, 6, 7, 8, 9, 10},
+			},
+		},
+	}
+
+	for _, kv := range kvs {
+		seed := make([]byte, 0, 200)
+		seed = append(seed, kv.PackValue()...)
+		f.Add(seed)
+	}
+
+	f.Fuzz(func(t *testing.T, in []byte) {
+		t.Logf("testing: %+v", in)
+		out := make([]byte, 0, 200)
+		var kv prefixes.TouchedHashXValue
+		kv.UnpackValue(in)
+		out = append(out, kv.PackValue()...)
+		if len(in) >= 5 {
+			if !bytes.HasPrefix(in, out) {
+				t.Fatalf("%v: not equal after round trip: %v", in, out)
+			}
+		}
+	})
 }

testdata/c.csv

@@ -0,0 +1,21 @@
+c,
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+632de81b0213a1b6e390e4c1859dba94b2b0e9a74e360a2b9e,1326b6b9eb9ad8ecc591aa54c365dafa
+63325af388b77d3ed3df8a5b1483b83fb0b5153ad51de15ac0,b3985bb638840f1c0c7aadaa32848fc1
+6339c7574004d908068b73e2f898a241dceaa19d2e4f5fd2c6,b55b277d1598b93cad3cbcdbdc796c04
+6363d895c26d023913ae5c84680d8acbf0c4b2dd6fa1842a2c,9c33af364b69814cc868fadc48547ef9
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+638151f59e498873ef82ef0271186f0b60b9ceeaa10aec120e,9b64b4276a1059e4ecf19560b566d503
+6384e22f9b0fc6f63c9a221786091ecf02b0df2925895b8132,e12f4a8a130f1419ff4ae3a9bb8a31ee
+63a92ad4fe7abbf72db94f49092764329c4d9b5cf30115eb2a,152300368cecfaf42debe1e7cccba9cc
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+63f5476e70301ba6fdd6d0317b2c03d678e2623ee66fd4110a,f04df6c132e1d2d14feeb17ca34b65f3

testdata/d.csv

@@ -0,0 +1,21 @@
+d,
+64188d8e8e56c823919ba5eea5b60d0e2a27b313b314a83cd79ec882e042ba47d1,27f60d5852ab8e9538b5c35891ebd915c14b02a679607b01ae33e040a816685fba36f7e9918136dba9999c13cc
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testdata/e.csv

@@ -0,0 +1,21 @@
+e,
+6500f23ec1,7b471b15ac811403113bf4
+654b6af788,7c38d58c240503b936f4c1204a4ed317680f6fbc09c95c4d6ab2598f31d3e09e9a
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+65ffbd56f8,2a015033fd5beb3320f748a4589a5eb81d9a5241ab3c561341f1ae2de993957dc29a273e6056c5676e5ebabc

testdata/f.csv

@@ -0,0 +1,21 @@
+f,
+660d649ba1defa4ab5ab71f8a977d7f7cedb11056e,919be5811844077f4660af66afa9a59a5ad17cf5c541524e780fe2137bfa250c
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