chore: release v0.23.0

internal/relaydev/relaydev_test.go

@@ -99,3 +99,76 @@ func TestKMTronicSetURL(t *testing.T) {
 	}
 	_ = d.Set(context.Background(), 1, false) // → /FF0100
 }
+
+// Dingtian — the wire examples come straight from the IOT Relay Programming
+// Manual V1.9.8.1 §3.1/§3.2. The two traps pinned here: the URL relay index is
+// ZERO-based while the Device interface is 1-based, and a refusal (bad password
+// or session) answers HTTP 200 with a non-zero first field.
+
+func TestDingtianStatus(t *testing.T) {
+	srv := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
+		if r.URL.Path != "/relay_cgi_load.cgi" {
+			t.Errorf("unexpected status path %q", r.URL.Path)
+		}
+		// Manual's own example: ok, 4 relays, 1 on, 2 off, 3 on, 4 off.
+		_, _ = w.Write([]byte("&0&4&1&0&1&0&"))
+	}))
+	defer srv.Close()
+
+	d := NewDingtian(strings.TrimPrefix(srv.URL, "http://"), "", "", 2)
+	st, err := d.Status(context.Background())
+	if err != nil {
+		t.Fatal(err)
+	}
+	// The board said 4 relays even though 2 were configured — its count wins.
+	want := []bool{true, false, true, false}
+	if len(st) != len(want) {
+		t.Fatalf("got %d relays, want %d", len(st), len(want))
+	}
+	for i := range want {
+		if st[i] != want[i] {
+			t.Errorf("relay %d = %v, want %v", i+1, st[i], want[i])
+		}
+	}
+	if d.Count() != 4 {
+		t.Errorf("Count() = %d, want 4 (taken from the board)", d.Count())
+	}
+}
+
+func TestDingtianSetUsesZeroBasedIndexAndSession(t *testing.T) {
+	var gotQuery, gotCookie string
+	srv := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
+		gotQuery = r.URL.RawQuery
+		gotCookie = r.Header.Get("Cookie")
+		_, _ = w.Write([]byte("&0&0&2&1&0&"))
+	}))
+	defer srv.Close()
+
+	d := NewDingtian(strings.TrimPrefix(srv.URL, "http://"), "12345678", "4660", 4)
+	if err := d.Set(context.Background(), 3, true); err != nil {
+		t.Fatal(err)
+	}
+	if !strings.Contains(gotQuery, "relay=2") {
+		t.Errorf("relay 3 must go out as relay=2 (zero-based); query was %q", gotQuery)
+	}
+	if !strings.Contains(gotQuery, "on=1") || !strings.Contains(gotQuery, "type=0") ||
+		!strings.Contains(gotQuery, "pwd=4660") {
+		t.Errorf("unexpected query %q", gotQuery)
+	}
+	if gotCookie != "session=12345678" {
+		t.Errorf("session cookie = %q, want session=12345678", gotCookie)
+	}
+}
+
+func TestDingtianSetRefusalIsAnError(t *testing.T) {
+	srv := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, _ *http.Request) {
+		// Manual §3.4.4: a bad session still answers 200 OK.
+		_, _ = w.Write([]byte("&302&/&"))
+	}))
+	defer srv.Close()
+
+	d := NewDingtian(strings.TrimPrefix(srv.URL, "http://"), "", "", 2)
+	if err := d.Set(context.Background(), 1, true); err == nil {
+		t.Fatal("a refused command answered HTTP 200 and was reported as success")
+	}
+}