Files
billboard/internal/tui/tui_test.go
T
2026-08-08 11:04:45 +02:00

50 lines
1.1 KiB
Go

package tui
import (
"net/http"
"net/http/httptest"
"os"
"strings"
"testing"
"time"
"billboard/internal/server"
"billboard/internal/state"
)
func TestFetchDecodesPixels(t *testing.T) {
st := state.New(8, 4)
if err := st.SetPixel(3, 2, 9); err != nil {
t.Fatal(err)
}
st.AddMessage("test msg")
srv := httptest.NewServer(server.New(st, server.Config{}).Handler())
defer srv.Close()
d := &Display{server: srv.URL, client: &http.Client{Timeout: 5 * time.Second}}
if err := d.fetch(); err != nil {
t.Fatal(err)
}
if got := d.state.Pixels[2][3]; got != 9 {
t.Fatalf("pixel = %d, want 9; state=%+v", got, d.state)
}
if len(d.state.Messages) != 1 || d.state.Messages[0].Text != "test msg" {
t.Fatalf("messages = %+v", d.state.Messages)
}
f, err := os.CreateTemp(t.TempDir(), "render")
if err != nil {
t.Fatal(err)
}
defer f.Close()
d.out = f
d.render()
data, err := os.ReadFile(f.Name())
if err != nil {
t.Fatal(err)
}
if !strings.Contains(string(data), "91") && !strings.Contains(string(data), "101") {
t.Fatalf("render output lacks color-9 SGR code; block count: %d", strings.Count(string(data), "▀"))
}
}