adding to git.i0t.app

internal/config/config_test.go

@@ -0,0 +1,41 @@
+package config
+
+import "testing"
+
+func TestLayoutDimensions(t *testing.T) {
+	good := map[string][2]int{"2x2": {2, 2}, "3X3": {3, 3}, " 4x2 ": {4, 2}, "1x1": {1, 1}}
+	for grid, want := range good {
+		l := Layout{Name: "t", Grid: grid}
+		c, r, err := l.Dimensions()
+		if err != nil {
+			t.Fatalf("grid %q: unexpected error %v", grid, err)
+		}
+		if c != want[0] || r != want[1] {
+			t.Errorf("grid %q: got %dx%d want %dx%d", grid, c, r, want[0], want[1])
+		}
+	}
+	for _, bad := range []string{"", "2", "2x", "x2", "0x2", "axb"} {
+		if _, _, err := (Layout{Name: "t", Grid: bad}).Dimensions(); err == nil {
+			t.Errorf("grid %q: expected error", bad)
+		}
+	}
+}
+
+func TestValidateRejectsUnknownCameraRef(t *testing.T) {
+	c := &Config{
+		Cameras: []Camera{{Name: "front"}},
+		Layouts: []Layout{{Name: "l", Grid: "2x2", Slots: []string{"front", "missing", "", ""}}},
+	}
+	c.Defaults()
+	if err := c.Validate(); err == nil {
+		t.Fatal("expected validation error for unknown camera reference")
+	}
+}
+
+func TestValidateRejectsTooManySlots(t *testing.T) {
+	c := &Config{Layouts: []Layout{{Name: "l", Grid: "1x1", Slots: []string{"", ""}}}}
+	c.Defaults()
+	if err := c.Validate(); err == nil {
+		t.Fatal("expected validation error for slot overflow")
+	}
+}