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")
	}
}