1 package gexec_test
2
3 import (
4 "os/exec"
5 "time"
6
7 . "github.com/onsi/gomega/gexec"
8
9 . "github.com/onsi/ginkgo/v2"
10 . "github.com/onsi/gomega"
11 )
12
13 type NeverExits struct{}
14
15 func (e NeverExits) ExitCode() int {
16 return -1
17 }
18
19 var _ = Describe("ExitMatcher", func() {
20 var command *exec.Cmd
21 var session *Session
22
23 BeforeEach(func() {
24 fireflyPath, err := Build("./_fixture/firefly")
25 Expect(err).ShouldNot(HaveOccurred())
26
27 command = exec.Command(fireflyPath, "0")
28 session, err = Start(command, nil, nil)
29 Expect(err).ShouldNot(HaveOccurred())
30 })
31
32 Describe("when passed something that is an Exiter", func() {
33 It("should act normally", func() {
34 failures := InterceptGomegaFailures(func() {
35 Expect(NeverExits{}).Should(Exit())
36 })
37
38 Expect(failures[0]).Should(ContainSubstring("Expected process to exit. It did not."))
39 })
40 })
41
42 Describe("when passed something that is not an Exiter", func() {
43 It("should error", func() {
44 failures := InterceptGomegaFailures(func() {
45 Expect("aardvark").Should(Exit())
46 })
47
48 Expect(failures[0]).Should(ContainSubstring("Exit must be passed a gexec.Exiter"))
49 })
50 })
51
52 Context("with no exit code", func() {
53 It("should say the right things when it fails", func() {
54 Expect(session).ShouldNot(Exit())
55
56 failures := InterceptGomegaFailures(func() {
57 Expect(session).Should(Exit())
58 })
59
60 Expect(failures[0]).Should(ContainSubstring("Expected process to exit. It did not."))
61
62 Eventually(session).Should(Exit())
63
64 Expect(session).Should(Exit())
65
66 failures = InterceptGomegaFailures(func() {
67 Expect(session).ShouldNot(Exit())
68 })
69
70 Expect(failures[0]).Should(ContainSubstring("Expected process not to exit. It did."))
71 })
72 })
73
74 Context("with an exit code", func() {
75 It("should say the right things when it fails", func() {
76 Expect(session).ShouldNot(Exit(0))
77 Expect(session).ShouldNot(Exit(1))
78
79 failures := InterceptGomegaFailures(func() {
80 Expect(session).Should(Exit(0))
81 })
82
83 Expect(failures[0]).Should(ContainSubstring("Expected process to exit. It did not."))
84
85 Eventually(session).Should(Exit(0))
86
87 Expect(session).Should(Exit(0))
88
89 failures = InterceptGomegaFailures(func() {
90 Expect(session).Should(Exit(1))
91 })
92
93 Expect(failures[0]).Should(ContainSubstring("to match exit code:"))
94
95 Expect(session).ShouldNot(Exit(1))
96
97 failures = InterceptGomegaFailures(func() {
98 Expect(session).ShouldNot(Exit(0))
99 })
100
101 Expect(failures[0]).Should(ContainSubstring("not to match exit code:"))
102 })
103 })
104
105 Describe("bailing out early", func() {
106 It("should bail out early once the process exits", func() {
107 t := time.Now()
108
109 failures := InterceptGomegaFailures(func() {
110 Eventually(session).Should(Exit(1))
111 })
112 Expect(time.Since(t)).Should(BeNumerically("<=", 500*time.Millisecond))
113 Expect(failures).Should(HaveLen(1))
114 })
115 })
116 })
117
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