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https://github.com/jeessy2/ddns-go.git
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ae0f47f537
DNS lookups are much cheaper than HTTP requests since we only need to check if the Internet is available. See: https://stackoverflow.com/a/50058255
39 lines
714 B
Go
39 lines
714 B
Go
package util
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import "testing"
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const (
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testDNS = "1.1.1.1"
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testURL = "https://cloudflare.com"
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)
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func TestSetDNS(t *testing.T) {
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SetDNS(testDNS)
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if dialer.Resolver == nil {
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t.Error("Failed to set dialer.Resolver")
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}
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}
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func TestLookupHost(t *testing.T) {
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t.Run("Valid URL", func(t *testing.T) {
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if err := LookupHost(testURL); err != nil {
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t.Errorf("Expected nil error, got %v", err)
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}
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})
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t.Run("Invalid URL", func(t *testing.T) {
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if err := LookupHost("invalidurl"); err == nil {
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t.Error("Expected error, got nil")
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}
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})
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t.Run("After SetDNS", func(t *testing.T) {
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SetDNS(testDNS)
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if err := LookupHost(testURL); err != nil {
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t.Errorf("Expected nil error, got %v", err)
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}
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})
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}
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