aboutsummaryrefslogtreecommitdiffstats
path: root/vendor/github.com/onsi/gomega/gexec/exit_matcher_test.go
blob: 79615ddf81223140cbb934632135fe399f9374bf (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
package gexec_test

import (
	. "github.com/onsi/gomega/gexec"
	"os/exec"
	"time"

	. "github.com/onsi/ginkgo"
	. "github.com/onsi/gomega"
)

type NeverExits struct{}

func (e NeverExits) ExitCode() int {
	return -1
}

var _ = Describe("ExitMatcher", func() {
	var command *exec.Cmd
	var session *Session

	BeforeEach(func() {
		var err error
		command = exec.Command(fireflyPath, "0")
		session, err = Start(command, nil, nil)
		Ω(err).ShouldNot(HaveOccurred())
	})

	Describe("when passed something that is an Exiter", func() {
		It("should act normally", func() {
			failures := InterceptGomegaFailures(func() {
				Ω(NeverExits{}).Should(Exit())
			})

			Ω(failures[0]).Should(ContainSubstring("Expected process to exit.  It did not."))
		})
	})

	Describe("when passed something that is not an Exiter", func() {
		It("should error", func() {
			failures := InterceptGomegaFailures(func() {
				Ω("aardvark").Should(Exit())
			})

			Ω(failures[0]).Should(ContainSubstring("Exit must be passed a gexec.Exiter"))
		})
	})

	Context("with no exit code", func() {
		It("should say the right things when it fails", func() {
			Ω(session).ShouldNot(Exit())

			failures := InterceptGomegaFailures(func() {
				Ω(session).Should(Exit())
			})

			Ω(failures[0]).Should(ContainSubstring("Expected process to exit.  It did not."))

			Eventually(session).Should(Exit())

			Ω(session).Should(Exit())

			failures = InterceptGomegaFailures(func() {
				Ω(session).ShouldNot(Exit())
			})

			Ω(failures[0]).Should(ContainSubstring("Expected process not to exit.  It did."))
		})
	})

	Context("with an exit code", func() {
		It("should say the right things when it fails", func() {
			Ω(session).ShouldNot(Exit(0))
			Ω(session).ShouldNot(Exit(1))

			failures := InterceptGomegaFailures(func() {
				Ω(session).Should(Exit(0))
			})

			Ω(failures[0]).Should(ContainSubstring("Expected process to exit.  It did not."))

			Eventually(session).Should(Exit(0))

			Ω(session).Should(Exit(0))

			failures = InterceptGomegaFailures(func() {
				Ω(session).Should(Exit(1))
			})

			Ω(failures[0]).Should(ContainSubstring("to match exit code:"))

			Ω(session).ShouldNot(Exit(1))

			failures = InterceptGomegaFailures(func() {
				Ω(session).ShouldNot(Exit(0))
			})

			Ω(failures[0]).Should(ContainSubstring("not to match exit code:"))
		})
	})

	Describe("bailing out early", func() {
		It("should bail out early once the process exits", func() {
			t := time.Now()

			failures := InterceptGomegaFailures(func() {
				Eventually(session).Should(Exit(1))
			})
			Ω(time.Since(t)).Should(BeNumerically("<=", 500*time.Millisecond))
			Ω(failures).Should(HaveLen(1))
		})
	})
})