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// 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 testhelpers_test
import (
"io/ioutil"
"os"
"os/exec"
"path/filepath"
"github.com/containernetworking/cni/pkg/version/testhelpers"
. "github.com/onsi/ginkgo"
. "github.com/onsi/gomega"
)
var _ = Describe("BuildAt", func() {
var (
gitRef string
outputFilePath string
outputDir string
programSource []byte
)
BeforeEach(func() {
programSource = []byte(`package main
import "github.com/containernetworking/cni/pkg/skel"
func c(_ *skel.CmdArgs) error { return nil }
func main() { skel.PluginMain(c, c) }
`)
gitRef = "f4364185253"
var err error
outputDir, err = ioutil.TempDir("", "bin")
Expect(err).NotTo(HaveOccurred())
outputFilePath = filepath.Join(outputDir, "some-binary")
})
AfterEach(func() {
Expect(os.RemoveAll(outputDir)).To(Succeed())
})
It("builds the provided source code using the CNI library at the given git ref", func() {
Expect(outputFilePath).NotTo(BeAnExistingFile())
err := testhelpers.BuildAt(programSource, gitRef, outputFilePath)
Expect(err).NotTo(HaveOccurred())
Expect(outputFilePath).To(BeAnExistingFile())
cmd := exec.Command(outputFilePath)
cmd.Env = []string{"CNI_COMMAND=VERSION"}
output, err := cmd.CombinedOutput()
Expect(err).To(BeAssignableToTypeOf(&exec.ExitError{}))
Expect(output).To(ContainSubstring("unknown CNI_COMMAND: VERSION"))
})
})
var _ = Describe("LocateCurrentGitRepo", func() {
It("returns the path to the root of the CNI git repo", func() {
path, err := testhelpers.LocateCurrentGitRepo()
Expect(err).NotTo(HaveOccurred())
AssertItIsTheCNIRepoRoot(path)
})
Context("when run from a different directory", func() {
BeforeEach(func() {
os.Chdir("..")
})
It("still finds the CNI repo root", func() {
path, err := testhelpers.LocateCurrentGitRepo()
Expect(err).NotTo(HaveOccurred())
AssertItIsTheCNIRepoRoot(path)
})
})
})
func AssertItIsTheCNIRepoRoot(path string) {
Expect(path).To(BeADirectory())
files, err := ioutil.ReadDir(path)
Expect(err).NotTo(HaveOccurred())
names := []string{}
for _, file := range files {
names = append(names, file.Name())
}
Expect(names).To(ContainElement("SPEC.md"))
Expect(names).To(ContainElement("libcni"))
Expect(names).To(ContainElement("cnitool"))
}
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