1 package gleak
2
3 import (
4 . "github.com/onsi/ginkgo/v2"
5 . "github.com/onsi/gomega"
6 )
7
8 var _ = Describe("utilities", func() {
9
10 Context("G(oroutine) descriptions", func() {
11
12 It("returns an error for actual <nil>", func() {
13 Expect(func() { _, _ = G(nil, "foo") }).NotTo(Panic())
14 Expect(G(nil, "foo")).Error().To(MatchError("foo matcher expects a Goroutine or *Goroutine. Got:\n <nil>: nil"))
15 })
16
17 It("returns an error when passing something that's not a goroutine by any means", func() {
18 Expect(func() { _, _ = G("foobar", "foo") }).NotTo(Panic())
19 Expect(G("foobar", "foo")).Error().To(MatchError("foo matcher expects a Goroutine or *Goroutine. Got:\n <string>: foobar"))
20 })
21
22 It("returns a goroutine", func() {
23 actual := Goroutine{ID: 42}
24 g, err := G(actual, "foo")
25 Expect(err).NotTo(HaveOccurred())
26 Expect(g.ID).To(Equal(uint64(42)))
27
28 g, err = G(&actual, "foo")
29 Expect(err).NotTo(HaveOccurred())
30 Expect(g.ID).To(Equal(uint64(42)))
31 })
32
33 })
34
35 It("returns a list of Goroutine IDs in textual format", func() {
36 Expect(goids(nil)).To(BeEmpty())
37 Expect(goids([]Goroutine{
38 {ID: 666},
39 {ID: 42},
40 })).To(Equal("42, 666"))
41 Expect(goids([]Goroutine{
42 {ID: 42},
43 })).To(Equal("42"))
44 })
45
46 })
47
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