Question

如果启用了新消息，则会自动从之前的新闻中删除已启用的消息。我写了一个规范，但他们失败了。这些规范可以改进吗？

Post.rb

before_validation :removes_enabled


def removes_enabled
  if enabled_changed? && enabled?
    Post.update_all( enabled: false )
  end
end

我的规格：

describe "#remove_enabled" do
  let!(:p1) {create :post, enabled: true }

  it "should remove enabled for other post" do
    p2 = create :post, enabled: true
    expect(p1.enabled).to eq(false)
  end

  it "should not remove enabled for other post if current post is not enabled" do
    p2 = create :post, enabled: false
    expect(p1.enabled).to eq(true)
  end
end

Answer 1

describe "#remove_enabled" do
  let!(:post) { create :post, enabled: true }

  it "should remove enabled for other post" do
    create :post, enabled: true
    expect(post.reload.enabled).to eq(false)
  end

  it "should not remove enabled for other post if current post is not enabled" do
    create :post, enabled: false
    expect(post.reload.enabled).to eq(true)
  end
end

DRY模型方法的规格

1 个答案: