70 lines
1.8 KiB
Go

// Copyright 2016 CNI authors
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package version_test
import (
"github.com/containernetworking/cni/pkg/version"
. "github.com/onsi/ginkgo"
. "github.com/onsi/gomega"
)
var _ = Describe("Decoding the version of network config", func() {
var (
decoder *version.ConfigDecoder
configBytes []byte
)
BeforeEach(func() {
decoder = &version.ConfigDecoder{}
configBytes = []byte(`{ "cniVersion": "4.3.2" }`)
})
Context("when the version is explict", func() {
It("returns the version", func() {
version, err := decoder.Decode(configBytes)
Expect(err).NotTo(HaveOccurred())
Expect(version).To(Equal("4.3.2"))
})
})
Context("when the version is not present in the config", func() {
BeforeEach(func() {
configBytes = []byte(`{ "not-a-version-field": "foo" }`)
})
It("assumes the config is version 0.1.0", func() {
version, err := decoder.Decode(configBytes)
Expect(err).NotTo(HaveOccurred())
Expect(version).To(Equal("0.1.0"))
})
})
Context("when the config data is malformed", func() {
BeforeEach(func() {
configBytes = []byte(`{{{`)
})
It("returns a useful error", func() {
_, err := decoder.Decode(configBytes)
Expect(err).To(MatchError(HavePrefix(
"decoding version from network config: invalid character",
)))
})
})
})