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

agent/config/genealogy_test.go

@@ -0,0 +1,46 @@
+package config
+
+import "testing"
+
+func TestSpreadStrainFromJoinLane(t *testing.T) {
+	a := SpreadStrainFromJoinLane("winrm")
+	b := SpreadStrainFromJoinLane("winrm")
+	if a == "" || a != b {
+		t.Fatalf("strain not stable: %q vs %q", a, b)
+	}
+	if a[0] != '#' || len(a) != 7 {
+		t.Fatalf("expected #RRGGBB, got %q", a)
+	}
+	if SpreadStrainFromJoinLane("dns_txt") == a {
+		t.Fatal("different lanes should produce different strains")
+	}
+	if SpreadStrainFromJoinLane("") != "" {
+		t.Fatal("empty lane should yield empty strain")
+	}
+}
+
+func TestGenealogyReportBakedAndRuntime(t *testing.T) {
+	cfg := RuntimeConfig{BuiltinConfig: BuiltinConfig{
+		ParentAgentID:    "parent-uuid",
+		SpreadGeneration: 2,
+		BakedJoinLane:    "gpo",
+	}}
+	parent, gen, strain := cfg.GenealogyReport("")
+	if parent != "parent-uuid" || gen != 2 {
+		t.Fatalf("baked parent/gen: %q %d", parent, gen)
+	}
+	if strain != SpreadStrainFromJoinLane("gpo") {
+		t.Fatalf("strain from baked join lane: %q", strain)
+	}
+
+	cfg2 := RuntimeConfig{BuiltinConfig: BuiltinConfig{SpreadGeneration: 0}}
+	t.Setenv("AETHER_PARENT_AGENT_ID", "env-parent")
+	t.Setenv("AETHER_SPREAD_GENERATION", "3")
+	p2, g2, s2 := cfg2.GenealogyReport("winrm")
+	if p2 != "env-parent" || g2 != 3 {
+		t.Fatalf("env overrides: %q %d", p2, g2)
+	}
+	if s2 != SpreadStrainFromJoinLane("winrm") {
+		t.Fatalf("runtime join lane strain: %q", s2)
+	}
+}