// Copyright 2015 The go-ethereum Authors
// This file is part of the go-ethereum library.
//
// The go-ethereum library is free software: you can redistribute it and/or modify
// it under the terms of the GNU Lesser General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// The go-ethereum library is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU Lesser General Public License for more details.
//
// You should have received a copy of the GNU Lesser General Public License
// along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.
package whisper
import (
"bytes"
"testing"
)
var filterTopicsCreationTests = []struct {
topics [][]string
filter [][][4]byte
}{
{ // Simple topic filter
topics: [][]string{
{"abc", "def", "ghi"},
{"def"},
{"ghi", "abc"},
},
filter: [][][4]byte{
{{0x4e, 0x03, 0x65, 0x7a}, {0x34, 0x60, 0x7c, 0x9b}, {0x21, 0x41, 0x7d, 0xf9}},
{{0x34, 0x60, 0x7c, 0x9b}},
{{0x21, 0x41, 0x7d, 0xf9}, {0x4e, 0x03, 0x65, 0x7a}},
},
},
{ // Wild-carded topic filter
topics: [][]string{
{"abc", "def", "ghi"},
{},
{""},
{"def"},
},
filter: [][][4]byte{
{{0x4e, 0x03, 0x65, 0x7a}, {0x34, 0x60, 0x7c, 0x9b}, {0x21, 0x41, 0x7d, 0xf9}},
{},
{},
{{0x34, 0x60, 0x7c, 0x9b}},
},
},
}
var filterTopicsCreationFlatTests = []struct {
topics []string
filter [][][4]byte
}{
{ // Simple topic list
topics: []string{"abc", "def", "ghi"},
filter: [][][4]byte{
{{0x4e, 0x03, 0x65, 0x7a}},
{{0x34, 0x60, 0x7c, 0x9b}},
{{0x21, 0x41, 0x7d, 0xf9}},
},
},
{ // Wild-carded topic list
topics: []string{"abc", "", "ghi"},
filter: [][][4]byte{
{{0x4e, 0x03, 0x65, 0x7a}},
{},
{{0x21, 0x41, 0x7d, 0xf9}},
},
},
}
func TestFilterTopicsCreation(t *testing.T) {
// Check full filter creation
for i, tt := range filterTopicsCreationTests {
// Check the textual creation
filter := NewFilterTopicsFromStrings(tt.topics...)
if len(filter) != len(tt.topics) {
t.Errorf("test %d: condition count mismatch: have %v, want %v", i, len(filter), len(tt.topics))
continue
}
for j, condition := range filter {
if len(condition) != len(tt.filter[j]) {
t.Errorf("test %d, condition %d: size mismatch: have %v, want %v", i, j, len(condition), len(tt.filter[j]))
continue
}
for k := 0; k < len(condition); k++ {
if bytes.Compare(condition[k][:], tt.filter[j][k][:]) != 0 {
t.Errorf("test %d, condition %d, segment %d: filter mismatch: have 0x%x, want 0x%x", i, j, k, condition[k], tt.filter[j][k])
}
}
}
// Check the binary creation
binary := make([][][]byte, len(tt.topics))
for j, condition := range tt.topics {
binary[j] = make([][]byte, len(condition))
for k, segment := range condition {
binary[j][k] = []byte(segment)
}
}
filter = NewFilterTopics(binary...)
if len(filter) != len(tt.topics) {
t.Errorf("test %d: condition count mismatch: have %v, want %v", i, len(filter), len(tt.topics))
continue
}
for j, condition := range filter {
if len(condition) != len(tt.filter[j]) {
t.Errorf("test %d, condition %d: size mismatch: have %v, want %v", i, j, len(condition), len(tt.filter[j]))
continue
}
for k := 0; k < len(condition); k++ {
if bytes.Compare(condition[k][:], tt.filter[j][k][:]) != 0 {
t.Errorf("test %d, condition %d, segment %d: filter mismatch: have 0x%x, want 0x%x", i, j, k, condition[k], tt.filter[j][k])
}
}
}
}
// Check flat filter creation
for i, tt := range filterTopicsCreationFlatTests {
// Check the textual creation
filter := NewFilterTopicsFromStringsFlat(tt.topics...)
if len(filter) != len(tt.topics) {
t.Errorf("test %d: condition count mismatch: have %v, want %v", i, len(filter), len(tt.topics))
continue
}
for j, condition := range filter {
if len(condition) != len(tt.filter[j]) {
t.Errorf("test %d, condition %d: size mismatch: have %v, want %v", i, j, len(condition), len(tt.filter[j]))
continue
}
for k := 0; k < len(condition); k++ {
if bytes.Compare(condition[k][:], tt.filter[j][k][:]) != 0 {
t.Errorf("test %d, condition %d, segment %d: filter mismatch: have 0x%x, want 0x%x", i, j, k, condition[k], tt.filter[j][k])
}
}
}
// Check the binary creation
binary := make([][]byte, len(tt.topics))
for j, topic := range tt.topics {
binary[j] = []byte(topic)
}
filter = NewFilterTopicsFlat(binary...)
if len(filter) != len(tt.topics) {
t.Errorf("test %d: condition count mismatch: have %v, want %v", i, len(filter), len(tt.topics))
continue
}
for j, condition := range filter {
if len(condition) != len(tt.filter[j]) {
t.Errorf("test %d, condition %d: size mismatch: have %v, want %v", i, j, len(condition), len(tt.filter[j]))
continue
}
for k := 0; k < len(condition); k++ {
if bytes.Compare(condition[k][:], tt.filter[j][k][:]) != 0 {
t.Errorf("test %d, condition %d, segment %d: filter mismatch: have 0x%x, want 0x%x", i, j, k, condition[k], tt.filter[j][k])
}
}
}
}
}
var filterCompareTests = []struct {
matcher filterer
message filterer
match bool
}{
{ // Wild-card filter matching anything
matcher: filterer{to: "", from: "", matcher: newTopicMatcher()},
message: filterer{to: "to", from: "from", matcher: newTopicMatcher(NewFilterTopicsFromStringsFlat("topic")...)},
match: true,
},
{ // Filter matching the to field
matcher: filterer{to: "to", from: "", matcher: newTopicMatcher()},
message: filterer{to: "to", from: "from", matcher: newTopicMatcher(NewFilterTopicsFromStringsFlat("topic")...)},
match: true,
},
{ // Filter rejecting the to field
matcher: filterer{to: "to", from: "", matcher: newTopicMatcher()},
message: filterer{to: "", from: "from", matcher: newTopicMatcher(NewFilterTopicsFromStringsFlat("topic")...)},
match: false,
},
{ // Filter matching the from field
matcher: filterer{to: "", from: "from", matcher: newTopicMatcher()},
message: filterer{to: "to", from: "from", matcher: newTopicMatcher(NewFilterTopicsFromStringsFlat("topic")...)},
match: true,
},
{ // Filter rejecting the from field
matcher: filterer{to: "", from: "from", matcher: newTopicMatcher()},
message: filterer{to: "to", from: "", matcher: newTopicMatcher(NewFilterTopicsFromStringsFlat("topic")...)},
match: false,
},
{ // Filter matching the topic field
matcher: filterer{to: "", from: "from", matcher: newTopicMatcher(NewFilterTopicsFromStringsFlat("topic")...)},
message: filterer{to: "to", from: "from", matcher: newTopicMatcher(NewFilterTopicsFromStringsFlat("topic")...)},
match: true,
},
{ // Filter rejecting the topic field
matcher: filterer{to: "", from: "", matcher: newTopicMatcher(NewFilterTopicsFromStringsFlat("topic")...)},
message: filterer{to: "to", from: "from", matcher: newTopicMatcher()},
match: false,
},
}
func TestFilterCompare(t *testing.T) {
for i, tt := range filterCompareTests {
if match := tt.matcher.Compare(tt.message); match != tt.match {
t.Errorf("test %d: match mismatch: have %v, want %v", i, match, tt.match)
}
}
}
