repo_description: Container Network Interface - networking for Linux containers
repo_topics: containers docker kubernetes networking
code: // 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 types_test
  
  import (
  	"net"
  	"reflect"
  
  	. "github.com/onsi/ginkgo/v2"
  	. "github.com/onsi/gomega"
  
  	. "github.com/containernetworking/cni/pkg/types"
  )
  
  var _ = Describe("UnmarshallableBool UnmarshalText", func() {
  	DescribeTable("string to bool detection should succeed in all cases",
  		func(inputs []string, expected bool) {
  			for _, s := range inputs {
  				var ub UnmarshallableBool
  				err := ub.UnmarshalText([]byte(s))
  				Expect(err).ToNot(HaveOccurred())
  				Expect(ub).To(Equal(UnmarshallableBool(expected)))
  			}
  		},
  		Entry("parse to true", []string{"True", "true", "1"}, true),
  		Entry("parse to false", []string{"False", "false", "0"}, false),
  	)
  
  	Context("When passed an invalid value", func() {
  		It("should result in an error", func() {
  			var ub UnmarshallableBool
  			err := ub.UnmarshalText([]byte("invalid"))
  			Expect(err).To(HaveOccurred())
  		})
  	})
  })
  
  var _ = Describe("UnmarshallableString UnmarshalText", func() {
  	DescribeTable("string to string detection should succeed in all cases",
  		func(inputs []string, expected string) {
  			for _, s := range inputs {
  				var us UnmarshallableString
  				err := us.UnmarshalText([]byte(s))
  				Expect(err).ToNot(HaveOccurred())
  				Expect(string(us)).To(Equal(expected))
  			}
  		},
  		Entry("parse empty string", []string{""}, ""),
  		Entry("parse non-empty string", []string{"notempty"}, "notempty"),
  	)
  })
  
  var _ = Describe("GetKeyField", func() {
  	type testcontainer struct {
  		Valid string `json:"valid,omitempty"`
  	}
  	var (
  		container          = testcontainer{Valid: "valid"}
  		containerInterface = func(i interface{}) interface{} { return i }(&container)
  		containerValue     = reflect.ValueOf(containerInterface)
  	)
  	Context("When a valid field is provided", func() {
  		It("should return the correct field", func() {
  			field := GetKeyField("Valid", containerValue)
  			Expect(field.String()).To(Equal("valid"))
  		})
  	})
  })
  
  var _ = Describe("LoadArgs", func() {
  	Context("When no arguments are passed", func() {
  		It("LoadArgs should succeed", func() {
  			err := LoadArgs("", struct{}{})
  			Expect(err).NotTo(HaveOccurred())
  		})
  	})
  
  	Context("When unknown arguments are passed and ignored", func() {
  		It("LoadArgs should succeed", func() {
  			ca := CommonArgs{}
  			err := LoadArgs("IgnoreUnknown=True;Unk=nown", &ca)
  			Expect(err).NotTo(HaveOccurred())
  		})
  	})
  
  	Context("When unknown arguments are passed and not ignored", func() {
  		It("LoadArgs should fail", func() {
  			ca := CommonArgs{}
  			err := LoadArgs("Unk=nown", &ca)
  			Expect(err).To(HaveOccurred())
  		})
  	})
  
  	Context("When unknown arguments are passed and explicitly not ignored", func() {
  		It("LoadArgs should fail", func() {
  			ca := CommonArgs{}
  			err := LoadArgs("IgnoreUnknown=0, Unk=nown", &ca)
  			Expect(err).To(HaveOccurred())
  		})
  	})
  
  	Context("When known arguments are passed", func() {
  		It("LoadArgs should succeed", func() {
  			ca := CommonArgs{}
  			err := LoadArgs("IgnoreUnknown=1", &ca)
  			Expect(err).NotTo(HaveOccurred())
  		})
  	})
  
  	Context("When known arguments are passed and cannot be unmarshalled", func() {
  		It("LoadArgs should fail", func() {
  			conf := struct {
  				IP IPNet
  			}{}
  			err := LoadArgs("IP=10.0.0.0/24", &conf)
  			Expect(err).To(HaveOccurred())
  		})
  	})
  
  	Context("When loading known arguments", func() {
  		It("should succeed if argument is marshallable value type", func() {
  			conf := struct {
  				IP net.IP
  				CommonArgs
  			}{}
  			err := LoadArgs("IP=10.0.0.0", &conf)
  			Expect(err).NotTo(HaveOccurred())
  			Expect(conf.IP.String()).To(Equal("10.0.0.0"))
  		})
  
  		It("should succeed if argument is marshallable pointer type", func() {
  			conf := struct {
  				IP *net.IP
  				CommonArgs
  			}{}
  			err := LoadArgs("IP=10.0.0.0", &conf)
  			Expect(err).NotTo(HaveOccurred())
  			Expect(conf.IP.String()).To(Equal("10.0.0.0"))
  		})
  
  		It("should fail if argument is pointer of marshallable pointer type", func() {
  			conf := struct {
  				IP **net.IP
  				CommonArgs
  			}{}
  			err := LoadArgs("IP=10.0.0.0", &conf)
  			Expect(err).To(HaveOccurred())
  		})
  	})
  })
  