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// Copyright 2015 The go-ethereum Authors
// This file is part of go-ethereum.
//
// go-ethereum 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.
//
// go-ethereum 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 go-ethereum. If not, see <http://www.gnu.org/licenses/>.
package whisper
import (
"bytes"
"testing"
)
var topicCreationTests = []struct {
data []byte
hash [4]byte
}{
{hash: [4]byte{0x8f, 0x9a, 0x2b, 0x7d}, data: []byte("test name")},
{hash: [4]byte{0xf2, 0x6e, 0x77, 0x79}, data: []byte("some other test")},
}
func TestTopicCreation(t *testing.T) {
// Create the topics individually
for i, tt := range topicCreationTests {
topic := NewTopic(tt.data)
if bytes.Compare(topic[:], tt.hash[:]) != 0 {
t.Errorf("binary test %d: hash mismatch: have %v, want %v.", i, topic, tt.hash)
}
}
for i, tt := range topicCreationTests {
topic := NewTopicFromString(string(tt.data))
if bytes.Compare(topic[:], tt.hash[:]) != 0 {
t.Errorf("textual test %d: hash mismatch: have %v, want %v.", i, topic, tt.hash)
}
}
// Create the topics in batches
binaryData := make([][]byte, len(topicCreationTests))
for i, tt := range topicCreationTests {
binaryData[i] = tt.data
}
textualData := make([]string, len(topicCreationTests))
for i, tt := range topicCreationTests {
textualData[i] = string(tt.data)
}
topics := NewTopics(binaryData...)
for i, tt := range topicCreationTests {
if bytes.Compare(topics[i][:], tt.hash[:]) != 0 {
t.Errorf("binary batch test %d: hash mismatch: have %v, want %v.", i, topics[i], tt.hash)
}
}
topics = NewTopicsFromStrings(textualData...)
for i, tt := range topicCreationTests {
if bytes.Compare(topics[i][:], tt.hash[:]) != 0 {
t.Errorf("textual batch test %d: hash mismatch: have %v, want %v.", i, topics[i], tt.hash)
}
}
}
var topicMatcherCreationTest = struct {
binary [][][]byte
textual [][]string
matcher []map[[4]byte]struct{}
}{
binary: [][][]byte{
[][]byte{},
[][]byte{
[]byte("Topic A"),
},
[][]byte{
[]byte("Topic B1"),
[]byte("Topic B2"),
[]byte("Topic B3"),
},
},
textual: [][]string{
[]string{},
[]string{"Topic A"},
[]string{"Topic B1", "Topic B2", "Topic B3"},
},
matcher: []map[[4]byte]struct{}{
map[[4]byte]struct{}{},
map[[4]byte]struct{}{
[4]byte{0x25, 0xfc, 0x95, 0x66}: struct{}{},
},
map[[4]byte]struct{}{
[4]byte{0x93, 0x6d, 0xec, 0x09}: struct{}{},
[4]byte{0x25, 0x23, 0x34, 0xd3}: struct{}{},
[4]byte{0x6b, 0xc2, 0x73, 0xd1}: struct{}{},
},
},
}
func TestTopicMatcherCreation(t *testing.T) {
test := topicMatcherCreationTest
matcher := newTopicMatcherFromBinary(test.binary...)
for i, cond := range matcher.conditions {
for topic, _ := range cond {
if _, ok := test.matcher[i][topic]; !ok {
t.Errorf("condition %d; extra topic found: 0x%x", i, topic[:])
}
}
}
for i, cond := range test.matcher {
for topic, _ := range cond {
if _, ok := matcher.conditions[i][topic]; !ok {
t.Errorf("condition %d; topic not found: 0x%x", i, topic[:])
}
}
}
matcher = newTopicMatcherFromStrings(test.textual...)
for i, cond := range matcher.conditions {
for topic, _ := range cond {
if _, ok := test.matcher[i][topic]; !ok {
t.Errorf("condition %d; extra topic found: 0x%x", i, topic[:])
}
}
}
for i, cond := range test.matcher {
for topic, _ := range cond {
if _, ok := matcher.conditions[i][topic]; !ok {
t.Errorf("condition %d; topic not found: 0x%x", i, topic[:])
}
}
}
}
var topicMatcherTests = []struct {
filter [][]string
topics []string
match bool
}{
// Empty topic matcher should match everything
{
filter: [][]string{},
topics: []string{},
match: true,
},
{
filter: [][]string{},
topics: []string{"a", "b", "c"},
match: true,
},
// Fixed topic matcher should match strictly, but only prefix
{
filter: [][]string{[]string{"a"}, []string{"b"}},
topics: []string{"a"},
match: false,
},
{
filter: [][]string{[]string{"a"}, []string{"b"}},
topics: []string{"a", "b"},
match: true,
},
{
filter: [][]string{[]string{"a"}, []string{"b"}},
topics: []string{"a", "b", "c"},
match: true,
},
// Multi-matcher should match any from a sub-group
{
filter: [][]string{[]string{"a1", "a2"}},
topics: []string{"a"},
match: false,
},
{
filter: [][]string{[]string{"a1", "a2"}},
topics: []string{"a1"},
match: true,
},
{
filter: [][]string{[]string{"a1", "a2"}},
topics: []string{"a2"},
match: true,
},
// Wild-card condition should match anything
{
filter: [][]string{[]string{}, []string{"b"}},
topics: []string{"a"},
match: false,
},
{
filter: [][]string{[]string{}, []string{"b"}},
topics: []string{"a", "b"},
match: true,
},
{
filter: [][]string{[]string{}, []string{"b"}},
topics: []string{"b", "b"},
match: true,
},
}
func TestTopicMatcher(t *testing.T) {
for i, tt := range topicMatcherTests {
topics := NewTopicsFromStrings(tt.topics...)
matcher := newTopicMatcherFromStrings(tt.filter...)
if match := matcher.Matches(topics); match != tt.match {
t.Errorf("test %d: match mismatch: have %v, want %v", i, match, tt.match)
}
}
}
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