feat: add xdiscovery tests

xdiscovery/tools_test.go

@@ -0,0 +1,47 @@
+package xdiscovery
+
+import "testing"
+
+func TestSrvJoinHostPort(t *testing.T) {
+	testCases := []struct {
+		name     string
+		input    []SrvDiscoveredHost
+		expected []string
+	}{
+		{
+			name:     "EmptyInput",
+			input:    []SrvDiscoveredHost{},
+			expected: []string{},
+		},
+		{
+			name: "SingleHost",
+			input: []SrvDiscoveredHost{
+				{Target: "localhost", Port: 8080},
+			},
+			expected: []string{"localhost:8080"},
+		},
+		{
+			name: "MultipleHosts",
+			input: []SrvDiscoveredHost{
+				{Target: "host1", Port: 80},
+				{Target: "host2", Port: 443},
+			},
+			expected: []string{"host1:80", "host2:443"},
+		},
+	}
+
+	for _, tc := range testCases {
+		t.Run(tc.name, func(t *testing.T) {
+			result := SrvJoinHostPort(tc.input)
+			if len(result) != len(tc.expected) {
+				t.Errorf("Expected %d hosts, but got %d", len(tc.expected), len(result))
+			}
+
+			for i := 0; i < len(result); i++ {
+				if result[i] != tc.expected[i] {
+					t.Errorf("Expected host %s, but got %s", tc.expected[i], result[i])
+				}
+			}
+		})
+	}
+}