Let a process read the router's record of its module's own ask (issue 1189)

go/process/asks_test.go

@@ -0,0 +1,28 @@
+package process
+
+import "testing"
+
+// 1189/AC2: given an ask id holding a dot or a wildcard, when read, then it is refused before anything is
+// sent — proven on a Conn with no live connection at all: if Ask tried to send, it would panic on the nil
+// *nats.Conn instead of returning a clean error.
+func TestAskRefusesAnInvalidIDBeforeSendingAnything(t *testing.T) {
+	c := &Conn{account: Account{Module: "mesh-mail"}}
+	for _, id := range []string{"", "a.b", "a*", "a>", "ask.1", "ask.*"} {
+		if _, err := c.Ask("messenger_asks", id); err == nil {
+			t.Errorf("Ask(%q) was not refused", id)
+		}
+	}
+}
+
+func TestCheckAskID(t *testing.T) {
+	for _, id := range []string{"", "a.b", "a*b", "a>b", ".", "*"} {
+		if err := checkAskID(id); err == nil {
+			t.Errorf("checkAskID(%q) was accepted", id)
+		}
+	}
+	for _, id := range []string{"ask-1", "a1b2c3", "send_42"} {
+		if err := checkAskID(id); err != nil {
+			t.Errorf("checkAskID(%q) was refused: %v", id, err)
+		}
+	}
+}