Adding upstream version 0.28.1.

Signed-off-by: Daniel Baumann <daniel@debian.org>

tools/subscriptions/broker_test.go

@@ -0,0 +1,134 @@
+package subscriptions_test
+
+import (
+	"testing"
+
+	"github.com/pocketbase/pocketbase/tools/subscriptions"
+)
+
+func TestNewBroker(t *testing.T) {
+	b := subscriptions.NewBroker()
+
+	if b.Clients() == nil {
+		t.Fatal("Expected clients map to be initialized")
+	}
+}
+
+func TestClients(t *testing.T) {
+	b := subscriptions.NewBroker()
+
+	if total := len(b.Clients()); total != 0 {
+		t.Fatalf("Expected no clients, got %v", total)
+	}
+
+	b.Register(subscriptions.NewDefaultClient())
+	b.Register(subscriptions.NewDefaultClient())
+
+	// check if it is a shallow copy
+	clients := b.Clients()
+	for k := range clients {
+		delete(clients, k)
+	}
+
+	// should return a new copy
+	if total := len(b.Clients()); total != 2 {
+		t.Fatalf("Expected 2 clients, got %v", total)
+	}
+}
+
+func TestChunkedClients(t *testing.T) {
+	b := subscriptions.NewBroker()
+
+	chunks := b.ChunkedClients(2)
+	if total := len(chunks); total != 0 {
+		t.Fatalf("Expected %d chunks, got %d", 0, total)
+	}
+
+	b.Register(subscriptions.NewDefaultClient())
+	b.Register(subscriptions.NewDefaultClient())
+	b.Register(subscriptions.NewDefaultClient())
+
+	chunks = b.ChunkedClients(2)
+	if total := len(chunks); total != 2 {
+		t.Fatalf("Expected %d chunks, got %d", 2, total)
+	}
+
+	if total := len(chunks[0]); total != 2 {
+		t.Fatalf("Expected the first chunk to have 2 clients, got %d", total)
+	}
+
+	if total := len(chunks[1]); total != 1 {
+		t.Fatalf("Expected the second chunk to have 1 client, got %d", total)
+	}
+}
+
+func TestTotalClients(t *testing.T) {
+	b := subscriptions.NewBroker()
+
+	if total := b.TotalClients(); total != 0 {
+		t.Fatalf("Expected no clients, got %d", total)
+	}
+
+	b.Register(subscriptions.NewDefaultClient())
+	b.Register(subscriptions.NewDefaultClient())
+
+	if total := b.TotalClients(); total != 2 {
+		t.Fatalf("Expected %d clients, got %d", 2, total)
+	}
+}
+
+func TestClientById(t *testing.T) {
+	b := subscriptions.NewBroker()
+
+	clientA := subscriptions.NewDefaultClient()
+	clientB := subscriptions.NewDefaultClient()
+	b.Register(clientA)
+	b.Register(clientB)
+
+	resultClient, err := b.ClientById(clientA.Id())
+	if err != nil {
+		t.Fatalf("Expected client with id %s, got error %v", clientA.Id(), err)
+	}
+	if resultClient.Id() != clientA.Id() {
+		t.Fatalf("Expected client %s, got %s", clientA.Id(), resultClient.Id())
+	}
+
+	if c, err := b.ClientById("missing"); err == nil {
+		t.Fatalf("Expected error, found client %v", c)
+	}
+}
+
+func TestRegister(t *testing.T) {
+	b := subscriptions.NewBroker()
+
+	client := subscriptions.NewDefaultClient()
+	b.Register(client)
+
+	if _, err := b.ClientById(client.Id()); err != nil {
+		t.Fatalf("Expected client with id %s, got error %v", client.Id(), err)
+	}
+}
+
+func TestUnregister(t *testing.T) {
+	b := subscriptions.NewBroker()
+
+	clientA := subscriptions.NewDefaultClient()
+	clientB := subscriptions.NewDefaultClient()
+	b.Register(clientA)
+	b.Register(clientB)
+
+	if _, err := b.ClientById(clientA.Id()); err != nil {
+		t.Fatalf("Expected client with id %s, got error %v", clientA.Id(), err)
+	}
+
+	b.Unregister(clientA.Id())
+
+	if c, err := b.ClientById(clientA.Id()); err == nil {
+		t.Fatalf("Expected error, found client %v", c)
+	}
+
+	// clientB shouldn't have been removed
+	if _, err := b.ClientById(clientB.Id()); err != nil {
+		t.Fatalf("Expected client with id %s, got error %v", clientB.Id(), err)
+	}
+}