github.com/mccv1r0/cni@v0.7.0-alpha1/pkg/invoke/get_version_integration_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 invoke_test
    16  
    17  import (
    18  	"io/ioutil"
    19  	"os"
    20  	"path/filepath"
    21  	"runtime"
    22  
    23  	"github.com/containernetworking/cni/pkg/invoke"
    24  	"github.com/containernetworking/cni/pkg/version"
    25  	"github.com/containernetworking/cni/pkg/version/testhelpers"
    26  
    27  	. "github.com/onsi/ginkgo"
    28  	. "github.com/onsi/ginkgo/extensions/table"
    29  	. "github.com/onsi/gomega"
    30  )
    31  
    32  var _ = Describe("GetVersion, integration tests", func() {
    33  	var (
    34  		pluginDir  string
    35  		pluginPath string
    36  	)
    37  
    38  	BeforeEach(func() {
    39  		pluginDir, err := ioutil.TempDir("", "plugins")
    40  		Expect(err).NotTo(HaveOccurred())
    41  		pluginPath = filepath.Join(pluginDir, "test-plugin")
    42  		if runtime.GOOS == "windows" {
    43  			pluginPath += ".exe"
    44  		}
    45  	})
    46  
    47  	AfterEach(func() {
    48  		Expect(os.RemoveAll(pluginDir)).To(Succeed())
    49  	})
    50  
    51  	DescribeTable("correctly reporting plugin versions",
    52  		func(gitRef string, pluginSource string, expectedVersions version.PluginInfo) {
    53  			Expect(testhelpers.BuildAt([]byte(pluginSource), gitRef, pluginPath)).To(Succeed())
    54  			versionInfo, err := invoke.GetVersionInfo(pluginPath, nil)
    55  			Expect(err).NotTo(HaveOccurred())
    56  
    57  			Expect(versionInfo.SupportedVersions()).To(ConsistOf(expectedVersions.SupportedVersions()))
    58  		},
    59  
    60  		Entry("historical: before VERSION was introduced",
    61  			git_ref_v010, plugin_source_no_custom_versions,
    62  			version.PluginSupports("0.1.0"),
    63  		),
    64  
    65  		Entry("historical: when VERSION was introduced but plugins couldn't customize it",
    66  			git_ref_v020_no_custom_versions, plugin_source_no_custom_versions,
    67  			version.PluginSupports("0.1.0", "0.2.0"),
    68  		),
    69  
    70  		Entry("historical: when plugins started reporting their own version list",
    71  			git_ref_v020_custom_versions, plugin_source_v020_custom_versions,
    72  			version.PluginSupports("0.2.0", "0.999.0"),
    73  		),
    74  
    75  		Entry("historical: before GET was introduced",
    76  			git_ref_v031, plugin_source_v020_custom_versions,
    77  			version.PluginSupports("0.2.0", "0.999.0"),
    78  		),
    79  
    80  		// this entry tracks the current behavior.  Before you change it, ensure
    81  		// that its previous behavior is captured in the most recent "historical" entry
    82  		Entry("current",
    83  			"HEAD", plugin_source_v040_get,
    84  			version.PluginSupports("0.2.0", "0.4.0", "0.999.0"),
    85  		),
    86  	)
    87  })
    88  
    89  // A 0.4.0 plugin that supports GET
    90  const plugin_source_v040_get = `package main
    91  
    92  import (
    93  	"github.com/containernetworking/cni/pkg/skel"
    94  	"github.com/containernetworking/cni/pkg/version"
    95  	"fmt"
    96  )
    97  
    98  func c(_ *skel.CmdArgs) error { fmt.Println("{}"); return nil }
    99  
   100  func main() { skel.PluginMain(c, c, c, version.PluginSupports("0.2.0", "0.4.0", "0.999.0"), "") }
   101  `
   102  
   103  const git_ref_v031 = "909fe7d"
   104  
   105  // a 0.2.0 plugin that can report its own versions
   106  const plugin_source_v020_custom_versions = `package main
   107  
   108  import (
   109  	"github.com/containernetworking/cni/pkg/skel"
   110  	"github.com/containernetworking/cni/pkg/version"
   111  	"fmt"
   112  )
   113  
   114  func c(_ *skel.CmdArgs) error { fmt.Println("{}"); return nil }
   115  
   116  func main() { skel.PluginMain(c, c, version.PluginSupports("0.2.0", "0.999.0")) }
   117  `
   118  const git_ref_v020_custom_versions = "bf31ed15"
   119  
   120  // a minimal 0.1.0 / 0.2.0 plugin that cannot report it's own version support
   121  const plugin_source_no_custom_versions = `package main
   122  
   123  import "github.com/containernetworking/cni/pkg/skel"
   124  import "fmt"
   125  
   126  func c(_ *skel.CmdArgs) error { fmt.Println("{}"); return nil }
   127  
   128  func main() { skel.PluginMain(c, c) }
   129  `
   130  
   131  const git_ref_v010 = "2c482f4"
   132  const git_ref_v020_no_custom_versions = "349d66d"