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