github.com/brandond/cni@v0.8.1/pkg/version/reconcile_test.go (about)

     1  // Copyright 2016 CNI authors
     2  //
     3  // Licensed under the Apache License, Version 2.0 (the "License");
     4  // you may not use this file except in compliance with the License.
     5  // You may obtain a copy of the License at
     6  //
     7  //     http://www.apache.org/licenses/LICENSE-2.0
     8  //
     9  // Unless required by applicable law or agreed to in writing, software
    10  // distributed under the License is distributed on an "AS IS" BASIS,
    11  // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    12  // See the License for the specific language governing permissions and
    13  // limitations under the License.
    14  
    15  package version_test
    16  
    17  import (
    18  	"github.com/containernetworking/cni/pkg/version"
    19  	. "github.com/onsi/ginkgo"
    20  	. "github.com/onsi/gomega"
    21  )
    22  
    23  var _ = Describe("Reconcile versions of net config with versions supported by plugins", func() {
    24  	var (
    25  		reconciler *version.Reconciler
    26  		pluginInfo version.PluginInfo
    27  	)
    28  
    29  	BeforeEach(func() {
    30  		reconciler = &version.Reconciler{}
    31  		pluginInfo = version.PluginSupports("1.2.3", "4.3.2")
    32  	})
    33  
    34  	It("succeeds if the config version is supported by the plugin", func() {
    35  		err := reconciler.Check("4.3.2", pluginInfo)
    36  		Expect(err).NotTo(HaveOccurred())
    37  	})
    38  
    39  	Context("when the config version is not supported by the plugin", func() {
    40  		It("returns a helpful error", func() {
    41  			err := reconciler.Check("0.1.0", pluginInfo)
    42  
    43  			Expect(err).To(Equal(&version.ErrorIncompatible{
    44  				Config:    "0.1.0",
    45  				Supported: []string{"1.2.3", "4.3.2"},
    46  			}))
    47  
    48  			Expect(err.Error()).To(Equal(`incompatible CNI versions: config is "0.1.0", plugin supports ["1.2.3" "4.3.2"]`))
    49  		})
    50  	})
    51  })