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package gexec_test
import (
"fmt"
"io/ioutil"
"os"
"path/filepath"
. "github.com/onsi/ginkgo"
. "github.com/onsi/gomega"
"github.com/onsi/gomega/gexec"
)
var packagePath = "./_fixture/firefly"
var _ = Describe(".Build", func() {
Context("when there have been previous calls to Build", func() {
BeforeEach(func() {
_, err := gexec.Build(packagePath)
Expect(err).ShouldNot(HaveOccurred())
})
It("compiles the specified package", func() {
compiledPath, err := gexec.Build(packagePath)
Expect(err).ShouldNot(HaveOccurred())
Expect(compiledPath).Should(BeAnExistingFile())
})
Context("and CleanupBuildArtifacts has been called", func() {
BeforeEach(func() {
gexec.CleanupBuildArtifacts()
})
It("compiles the specified package", func() {
var err error
fireflyPath, err = gexec.Build(packagePath)
Expect(err).ShouldNot(HaveOccurred())
Expect(fireflyPath).Should(BeAnExistingFile())
})
})
})
})
var _ = Describe(".BuildWithEnvironment", func() {
var err error
env := []string{
"GOOS=linux",
"GOARCH=amd64",
}
It("compiles the specified package with the specified env vars", func() {
compiledPath, err := gexec.BuildWithEnvironment(packagePath, env)
Expect(err).ShouldNot(HaveOccurred())
Expect(compiledPath).Should(BeAnExistingFile())
})
It("returns the environment to a good state", func() {
_, err = gexec.BuildWithEnvironment(packagePath, env)
Expect(err).ShouldNot(HaveOccurred())
Expect(os.Environ()).ShouldNot(ContainElement("GOOS=linux"))
})
})
var _ = Describe(".BuildIn", func() {
const (
target = "github.com/onsi/gomega/gexec/_fixture/firefly/"
)
var (
original string
gopath string
)
BeforeEach(func() {
var err error
original = os.Getenv("GOPATH")
gopath, err = ioutil.TempDir("", "")
Expect(err).NotTo(HaveOccurred())
copyFile(filepath.Join("_fixture", "firefly", "main.go"), filepath.Join(gopath, "src", target), "main.go")
Expect(os.Setenv("GOPATH", filepath.Join(os.TempDir(), "emptyFakeGopath"))).To(Succeed())
Expect(os.Environ()).To(ContainElement(fmt.Sprintf("GOPATH=%s", filepath.Join(os.TempDir(), "emptyFakeGopath"))))
})
AfterEach(func() {
if original == "" {
Expect(os.Unsetenv("GOPATH")).To(Succeed())
} else {
Expect(os.Setenv("GOPATH", original)).To(Succeed())
}
if gopath != "" {
os.RemoveAll(gopath)
}
})
It("appends the gopath env var", func() {
_, err := gexec.BuildIn(gopath, target)
Expect(err).NotTo(HaveOccurred())
})
It("resets GOPATH to its original value", func() {
_, err := gexec.BuildIn(gopath, target)
Expect(err).NotTo(HaveOccurred())
Expect(os.Getenv("GOPATH")).To(Equal(filepath.Join(os.TempDir(), "emptyFakeGopath")))
})
})
func copyFile(source, directory, basename string) {
Expect(os.MkdirAll(directory, 0755)).To(Succeed())
content, err := ioutil.ReadFile(source)
Expect(err).NotTo(HaveOccurred())
Expect(ioutil.WriteFile(filepath.Join(directory, basename), content, 0644)).To(Succeed())
}
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