测试未通过

发布于 2024-12-01 04:36:59 字数 1738 浏览 0 评论 0原文

我正在使用 RSpec 进行测试，但我不知道如何将其变为绿色。

在本例中，我有一个名为“PartType”的模型，其中包含一个名为“quotation”的属性。

引用的值来自表单，因此它将是一个字符串。

为了演示，您可以转到控制台并输入：

(1..1000).includes?("50") # false

但是..

(1..1000).includes?(50) # true

并且该值可以有小数。所以我需要做一个“type_cast”。

我的 PartType 模型上有这个：

before_validation :fix_quotation, :if => :quotation_changed?

protected
  def fix_quotation
    self[:quotation] = quotation_before_type_cast.tr(' $, ' , '.' )
  end

这按预期工作，但是当进行测试时，它失败了。

这是我的 part_type_spec.rb：

require 'spec_helper'

describe PartType do

  before(:each) do
    @attr = { :title => "Silver", :quotation => 100 }
  end

  it "should create a instance given a valid attributes" do
    PartType.create!(@attr)
  end

  it "should accept null value for quotation" do
    PartType.new(@attr.merge(:quotation => nil)).should be_valid
  end

  it "should accept 0 value for quotation" do
    PartType.new(@attr.merge(:quotation => 0)).should be_valid
  end

end

最后是失败的测试：

Failures:

1) PartType 应该创建一个给定有效属性的实例失败/错误：PartType.create！(@attr) 无方法错误： 100:Fixnum 的未定义方法 tr' # ./app/models/part_type.rb:7:infix_quotation' # ./spec/models/part_type_spec.rb:10:in `block (2 level) in '

2) PartType 应接受 0 值进行引用失败/错误：PartType.new(@attr.merge(:quotation => 0)).should be_valid 无方法错误： 0:Fixnum 的未定义方法 tr' # ./app/models/part_type.rb:7:infix_quotation' # ./spec/models/part_type_spec.rb:18:in `block (2 level) in '

在 0.06089 秒内完成 3个例子，2个失败

原文

I'm using RSpec for tests and I don't know how to get this to green.

In this case, I have a model called "PartType" that holds an attribute called "quotation".

The value for quotation comes from a form, so it will be a string.

To demonstrate you can go to console and type:

(1..1000).includes?("50") # false

but..

(1..1000).includes?(50) # true

And this value can have decimals. So I needed to do a "type_cast".

I have this on my PartTypemodel:

before_validation :fix_quotation, :if => :quotation_changed?

protected
  def fix_quotation
    self[:quotation] = quotation_before_type_cast.tr(' $, ' , '.' )
  end

This are working as expected BUT when go to tests, it fails.

Here is my part_type_spec.rb:

require 'spec_helper'

describe PartType do

  before(:each) do
    @attr = { :title => "Silver", :quotation => 100 }
  end

  it "should create a instance given a valid attributes" do
    PartType.create!(@attr)
  end

  it "should accept null value for quotation" do
    PartType.new(@attr.merge(:quotation => nil)).should be_valid
  end

  it "should accept 0 value for quotation" do
    PartType.new(@attr.merge(:quotation => 0)).should be_valid
  end

end

And finally the failing tests:

Failures:

1) PartType should create a instance given a valid attributes
Failure/Error: PartType.create!(@attr)
NoMethodError:
undefined method tr' for 100:Fixnum # ./app/models/part_type.rb:7:infix_quotation'
# ./spec/models/part_type_spec.rb:10:in `block (2 levels) in '

2) PartType should accept 0 value for quotation
Failure/Error: PartType.new(@attr.merge(:quotation => 0)).should be_valid
NoMethodError:
undefined method tr' for 0:Fixnum # ./app/models/part_type.rb:7:infix_quotation'
# ./spec/models/part_type_spec.rb:18:in `block (2 levels) in '

Finished in 0.06089 seconds
3 examples, 2 failures

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岁月静好 2024-12-08 04:37:00

你的 include? 片段是错误的，我在第一个中得到了 false，在第二个中得到了 true。
before_validation 被执行，quotation_before_type_cast 预计是一个 String，但它是一个 Fixnum。将 100 更改为 '100'，将 0 更改为 '0'。