Rails单元测试 #

rails test
rails test test/models/article_test.rb
rails test test/models/article_test.rb:10

# test/models/article_test.rb
require 'test_helper'

class ArticleTest < ActiveSupport::TestCase
  test "should be valid" do
    article = Article.new(title: 'Test', body: 'Test body')
    assert article.valid?
  end
  
  test "should require title" do
    article = Article.new(title: nil)
    assert_not article.valid?
    assert_includes article.errors[:title], "can't be blank"
  end
end

# test/fixtures/articles.yml
one:
  title: Article One
  body: Body one
  user: one

two:
  title: Article Two
  body: Body two
  user: two

test "should get articles" do
  article = articles(:one)
  assert_equal 'Article One', article.title
end