support wasm (#163)

relay_js_test.go

@@ -0,0 +1,84 @@
+//go:build js
+
+package nostr
+
+import (
+	"context"
+	"os"
+	"testing"
+	"time"
+
+	"github.com/stretchr/testify/assert"
+	"github.com/stretchr/testify/require"
+)
+
+func TestConnectContext(t *testing.T) {
+	url := os.Getenv("TEST_RELAY_URL")
+	if url == "" {
+		t.Fatal("please set the environment: $TEST_RELAY_URL")
+	}
+
+	// relay client
+	ctx, cancel := context.WithTimeout(context.Background(), 3*time.Second)
+	defer cancel()
+	r, err := RelayConnect(ctx, url)
+	assert.NoError(t, err)
+
+	defer r.Close()
+}
+
+func TestConnectContextCanceled(t *testing.T) {
+	url := os.Getenv("TEST_RELAY_URL")
+	if url == "" {
+		t.Fatal("please set the environment: $TEST_RELAY_URL")
+	}
+
+	// relay client
+	ctx, cancel := context.WithCancel(context.Background())
+	cancel() // make ctx expired
+	_, err := RelayConnect(ctx, url)
+	assert.ErrorIs(t, err, context.Canceled)
+}
+
+func TestPublish(t *testing.T) {
+	url := os.Getenv("TEST_RELAY_URL")
+	if url == "" {
+		t.Fatal("please set the environment: $TEST_RELAY_URL")
+	}
+
+	// test note to be sent over websocket
+	priv, pub := makeKeyPair(t)
+	textNote := Event{
+		Kind:      KindTextNote,
+		Content:   "hello",
+		CreatedAt: Timestamp(1672068534), // random fixed timestamp
+		Tags:      Tags{[]string{"foo", "bar"}},
+		PubKey:    pub,
+	}
+	err := textNote.Sign(priv)
+	assert.NoError(t, err)
+
+	// connect a client and send the text note
+	rl := mustRelayConnect(t, url)
+	err = rl.Publish(context.Background(), textNote)
+	assert.NoError(t, err)
+}
+
+func makeKeyPair(t *testing.T) (priv, pub string) {
+	t.Helper()
+
+	privkey := GeneratePrivateKey()
+	pubkey, err := GetPublicKey(privkey)
+	assert.NoError(t, err)
+
+	return privkey, pubkey
+}
+
+func mustRelayConnect(t *testing.T, url string) *Relay {
+	t.Helper()
+
+	rl, err := RelayConnect(context.Background(), url)
+	require.NoError(t, err)
+
+	return rl
+}