feat(server-go): LAMP 检测管理（任务单/步骤/结果录入/结果图片，#14）

server-go/internal/model/lamp_test_test.go

@@ -0,0 +1,30 @@
+package model
+
+import "testing"
+
+func TestDefaultLampSteps(t *testing.T) {
+	steps := DefaultLampSteps()
+	want := []string{"采样", "DNA提取", "反应体系配制", "恒温反应", "结果判读"}
+	if len(steps) != len(want) {
+		t.Fatalf("步骤数 = %d, want %d", len(steps), len(want))
+	}
+	for i, name := range want {
+		if steps[i] != name {
+			t.Errorf("步骤 %d = %s, want %s", i+1, steps[i], name)
+		}
+	}
+}
+
+func TestValidLampResult(t *testing.T) {
+	for _, r := range []string{"positive", "negative", "invalid"} {
+		if !ValidLampResult(r) {
+			t.Errorf("%s 应为合法结果", r)
+		}
+	}
+	if ValidLampResult("unknown") {
+		t.Error("unknown 不应为合法结果")
+	}
+	if ValidLampResult("") {
+		t.Error("空结果不应为合法结果")
+	}
+}