114 lines
2.6 KiB
Go
114 lines
2.6 KiB
Go
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package gexec_test
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import (
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. "github.com/onsi/gomega/gexec"
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"os/exec"
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"time"
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. "github.com/onsi/ginkgo"
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. "github.com/onsi/gomega"
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)
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type NeverExits struct{}
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func (e NeverExits) ExitCode() int {
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return -1
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}
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var _ = Describe("ExitMatcher", func() {
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var command *exec.Cmd
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var session *Session
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BeforeEach(func() {
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var err error
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command = exec.Command(fireflyPath, "0")
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session, err = Start(command, nil, nil)
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Ω(err).ShouldNot(HaveOccurred())
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})
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Describe("when passed something that is an Exiter", func() {
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It("should act normally", func() {
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failures := InterceptGomegaFailures(func() {
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Ω(NeverExits{}).Should(Exit())
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})
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Ω(failures[0]).Should(ContainSubstring("Expected process to exit. It did not."))
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})
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})
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Describe("when passed something that is not an Exiter", func() {
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It("should error", func() {
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failures := InterceptGomegaFailures(func() {
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Ω("aardvark").Should(Exit())
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})
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Ω(failures[0]).Should(ContainSubstring("Exit must be passed a gexec.Exiter"))
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})
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})
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Context("with no exit code", func() {
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It("should say the right things when it fails", func() {
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Ω(session).ShouldNot(Exit())
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failures := InterceptGomegaFailures(func() {
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Ω(session).Should(Exit())
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})
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Ω(failures[0]).Should(ContainSubstring("Expected process to exit. It did not."))
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Eventually(session).Should(Exit())
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Ω(session).Should(Exit())
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failures = InterceptGomegaFailures(func() {
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Ω(session).ShouldNot(Exit())
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})
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Ω(failures[0]).Should(ContainSubstring("Expected process not to exit. It did."))
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})
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})
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Context("with an exit code", func() {
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It("should say the right things when it fails", func() {
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Ω(session).ShouldNot(Exit(0))
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Ω(session).ShouldNot(Exit(1))
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failures := InterceptGomegaFailures(func() {
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Ω(session).Should(Exit(0))
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})
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Ω(failures[0]).Should(ContainSubstring("Expected process to exit. It did not."))
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Eventually(session).Should(Exit(0))
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Ω(session).Should(Exit(0))
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failures = InterceptGomegaFailures(func() {
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Ω(session).Should(Exit(1))
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})
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Ω(failures[0]).Should(ContainSubstring("to match exit code:"))
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Ω(session).ShouldNot(Exit(1))
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failures = InterceptGomegaFailures(func() {
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Ω(session).ShouldNot(Exit(0))
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})
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Ω(failures[0]).Should(ContainSubstring("not to match exit code:"))
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})
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})
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Describe("bailing out early", func() {
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It("should bail out early once the process exits", func() {
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t := time.Now()
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failures := InterceptGomegaFailures(func() {
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Eventually(session).Should(Exit(1))
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})
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Ω(time.Since(t)).Should(BeNumerically("<=", 500*time.Millisecond))
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Ω(failures).Should(HaveLen(1))
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})
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})
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})
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