87 lines
1.8 KiB
Go
87 lines
1.8 KiB
Go
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package wtdb_test
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import (
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"bytes"
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"io"
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"reflect"
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"testing"
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"testing/quick"
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"github.com/lightningnetwork/lnd/watchtower/wtdb"
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)
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// dbObject is abstract object support encoding and decoding.
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type dbObject interface {
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Encode(io.Writer) error
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Decode(io.Reader) error
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}
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// TestCodec serializes and deserializes wtdb objects in order to test that that
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// the codec understands all of the required field types. The test also asserts
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// that decoding an object into another results in an equivalent object.
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func TestCodec(t *testing.T) {
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mainScenario := func(obj dbObject) bool {
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// Ensure encoding the object succeeds.
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var b bytes.Buffer
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err := obj.Encode(&b)
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if err != nil {
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t.Fatalf("unable to encode: %v", err)
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return false
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}
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var obj2 dbObject
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switch obj.(type) {
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case *wtdb.SessionInfo:
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obj2 = &wtdb.SessionInfo{}
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case *wtdb.SessionStateUpdate:
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obj2 = &wtdb.SessionStateUpdate{}
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default:
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t.Fatalf("unknown type: %T", obj)
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return false
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}
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// Ensure decoding the object succeeds.
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err = obj2.Decode(bytes.NewReader(b.Bytes()))
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if err != nil {
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t.Fatalf("unable to decode: %v", err)
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return false
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}
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// Assert the original and decoded object match.
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if !reflect.DeepEqual(obj, obj2) {
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t.Fatalf("encode/decode mismatch, want: %v, "+
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"got: %v", obj, obj2)
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return false
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}
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return true
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}
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tests := []struct {
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name string
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scenario interface{}
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}{
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{
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name: "SessionInfo",
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scenario: func(obj wtdb.SessionInfo) bool {
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return mainScenario(&obj)
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},
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},
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{
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name: "SessionStateUpdate",
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scenario: func(obj wtdb.SessionStateUpdate) bool {
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return mainScenario(&obj)
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},
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},
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}
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for _, test := range tests {
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t.Run(test.name, func(t *testing.T) {
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if err := quick.Check(test.scenario, nil); err != nil {
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t.Fatalf("fuzz checks for msg=%s failed: %v",
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test.name, err)
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}
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})
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}
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}
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