单元测试使用检查说明

• @vue/cli-plugin-unit-mocha
• chai

测试用例常用方法

should 和 expect 是 TDD(Test-Driven Development)——测试驱动开发，assert BDD(Behavior-Driven Development)——行为驱动开发

连接器

• to
• be
• been
• is
• that
• which
• and
• has
• have
• with
• at
• of
• same
• but
• does
• still

断言

• .not
• .deep
• nested
• own
• ordered
• any
• all
• a
• include
• ok
• true
• false

asset

• asset

测试用例 demo

• should

chai.should()
foo.should.be.a('string')
foo.should.equal('bar')
foo.should.have.lengthOf(3)
tea.should.have.property('flavors').with.lengthOf(3)

• expect

var expect = chai.expect
expect(foo).to.be.a('string')
expect(foo).to.equal('bar')
expect(foo).to.have.lengthOf(3)
expect(tea).to.have.property('flavors').with.lengthOf(3)

• Assert

var assert = chai.assert

assert.typeOf(foo, 'string')
assert.equal(foo, 'bar')
assert.lengthOf(foo, 3)
assert.property(tea, 'flavors')
assert.lengthOf(tea.flavors, 3)