Expand P2 test coverage: mining chain, spread lanes, path forge, WS/beacon, E2E onion, file handling

server/internal/atlas/lan_gossip_test.go

@@ -0,0 +1,43 @@
+package atlas
+
+import "testing"
+
+func TestSubnetPrefixIPv4(t *testing.T) {
+	if got := SubnetPrefix("192.168.1.42"); got != "192.168.1" {
+		t.Fatalf("SubnetPrefix = %q", got)
+	}
+	if got := SubnetPrefix("192.168.1.42:12345"); got != "192.168.1" {
+		t.Fatalf("SubnetPrefix host:port = %q", got)
+	}
+}
+
+func TestNormalizeGossipHints(t *testing.T) {
+	hints := NormalizeGossipHints([]GossipHint{
+		{Tier: " docker ", Condition: "no_docker", Reason: "blocked"},
+		{Tier: "", Condition: "x"},
+		{Tier: "wsl", Condition: "defender_on"},
+	})
+	if len(hints) != 2 {
+		t.Fatalf("want 2 hints, got %+v", hints)
+	}
+	if hints[0].Tier != "docker" || hints[0].Reason != "blocked" {
+		t.Fatalf("first hint = %+v", hints[0])
+	}
+	if hints[1].Reason != "lan gossip" {
+		t.Fatalf("default reason = %q", hints[1].Reason)
+	}
+}
+
+func TestMergeGossipSkipsDedupes(t *testing.T) {
+	existing := []AtlasSkip{{Tier: "docker", Condition: "no_docker", Reason: "fleet"}}
+	merged := MergeGossipSkips(existing, []GossipHint{
+		{Tier: "docker", Condition: "no_docker", Reason: "lan"},
+		{Tier: "wsl", Condition: "defender_on", Reason: "lan"},
+	})
+	if len(merged) != 2 {
+		t.Fatalf("merged = %+v", merged)
+	}
+	if merged[1].Tier != "wsl" {
+		t.Fatalf("second skip = %+v", merged[1])
+	}
+}