155 lines
3.5 KiB
Go
155 lines
3.5 KiB
Go
package lnwire
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import (
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"bytes"
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"reflect"
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"testing"
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"github.com/davecgh/go-spew/spew"
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)
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// TestFeaturesRemoteRequireError checks that we throw an error if remote peer
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// has required feature which we don't support.
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func TestFeaturesRemoteRequireError(t *testing.T) {
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t.Parallel()
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const (
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first = "first"
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second = "second"
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)
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localFeatures := NewFeatureVector([]Feature{
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{first, OptionalFlag},
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})
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remoteFeatures := NewFeatureVector([]Feature{
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{first, OptionalFlag},
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{second, RequiredFlag},
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})
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if _, err := localFeatures.Compare(remoteFeatures); err == nil {
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t.Fatal("error wasn't received")
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}
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}
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// TestFeaturesLocalRequireError checks that we throw an error if local peer has
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// required feature which remote peer don't support.
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func TestFeaturesLocalRequireError(t *testing.T) {
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t.Parallel()
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const (
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first = "first"
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second = "second"
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)
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localFeatures := NewFeatureVector([]Feature{
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{first, OptionalFlag},
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{second, RequiredFlag},
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})
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remoteFeatures := NewFeatureVector([]Feature{
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{first, OptionalFlag},
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})
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if _, err := localFeatures.Compare(remoteFeatures); err == nil {
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t.Fatal("error wasn't received")
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}
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}
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// TestOptionalFeature checks that if remote peer don't have the feature but
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// on our side this feature is optional than we mark this feature as disabled.
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func TestOptionalFeature(t *testing.T) {
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t.Parallel()
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const first = "first"
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localFeatures := NewFeatureVector([]Feature{
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{first, OptionalFlag},
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})
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remoteFeatures := NewFeatureVector([]Feature{})
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shared, err := localFeatures.Compare(remoteFeatures)
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if err != nil {
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t.Fatalf("error while feature vector compare: %v", err)
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}
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if shared.IsActive(first) {
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t.Fatal("locally feature was set but remote peer notified us" +
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" that it don't have it")
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}
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// A feature with a non-existent name shouldn't be active.
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if shared.IsActive("nothere") {
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t.Fatal("non-existent feature shouldn't be active")
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}
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}
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// TestSetRequireAfterInit checks that we can change the feature flag after
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// initialization.
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func TestSetRequireAfterInit(t *testing.T) {
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t.Parallel()
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const first = "first"
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localFeatures := NewFeatureVector([]Feature{
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{first, OptionalFlag},
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})
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localFeatures.SetFeatureFlag(first, RequiredFlag)
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remoteFeatures := NewFeatureVector([]Feature{})
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_, err := localFeatures.Compare(remoteFeatures)
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if err == nil {
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t.Fatalf("feature was set as required but error wasn't "+
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"returned: %v", err)
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}
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}
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// TestDecodeEncodeFeaturesVector checks that feature vector might be
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// successfully encoded and decoded.
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func TestDecodeEncodeFeaturesVector(t *testing.T) {
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t.Parallel()
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const first = "first"
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f := NewFeatureVector([]Feature{
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{first, OptionalFlag},
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})
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var b bytes.Buffer
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if err := f.Encode(&b); err != nil {
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t.Fatalf("error while encoding feature vector: %v", err)
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}
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nf, err := NewFeatureVectorFromReader(&b)
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if err != nil {
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t.Fatalf("error while decoding feature vector: %v", err)
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}
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// Assert equality of the two instances.
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if !reflect.DeepEqual(f.flags, nf.flags) {
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t.Fatalf("encode/decode feature vector don't match %v vs "+
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"%v", spew.Sdump(f), spew.Sdump(nf))
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}
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}
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func TestFeatureFlagString(t *testing.T) {
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t.Parallel()
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if OptionalFlag.String() != "optional" {
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t.Fatalf("incorrect string, expected optional got %v",
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OptionalFlag.String())
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}
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if RequiredFlag.String() != "required" {
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t.Fatalf("incorrect string, expected required got %v",
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OptionalFlag.String())
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}
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fakeFlag := featureFlag(9)
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if fakeFlag.String() != "<unknown>" {
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t.Fatalf("incorrect string, expected <unknown> got %v",
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fakeFlag.String())
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}
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}
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