1 package gleak
2
3 import (
4 "reflect"
5
6 "github.com/onsi/gomega/gleak/goroutine"
7
8 . "github.com/onsi/ginkgo/v2"
9 . "github.com/onsi/gomega"
10 )
11
12 func creator() Goroutine {
13 ch := make(chan Goroutine)
14 go func() {
15 ch <- goroutine.Current()
16 }()
17 return <-ch
18 }
19
20 var _ = Describe("IgnoringCreator matcher", func() {
21
22 It("returns an error for an invalid actual", func() {
23 m := IgnoringCreator("foo.bar")
24 Expect(m.Match(nil)).Error().To(MatchError("IgnoringCreator matcher expects a Goroutine or *Goroutine. Got:\n <nil>: nil"))
25 })
26
27 It("matches a creator function by full name", func() {
28 type T struct{}
29 pkg := reflect.TypeOf(T{}).PkgPath()
30 ignore := pkg + ".creator"
31 m := IgnoringCreator(ignore)
32 g := creator()
33 Expect(m.Match(g)).To(BeTrue(), "creator: %v\ntried to ignore: %s",
34 g.String(), ignore)
35 Expect(m.Match(goroutine.Current())).To(BeFalse())
36 })
37
38 It("matches a toplevel function by prefix", func() {
39 type T struct{}
40 pkg := reflect.TypeOf(T{}).PkgPath()
41 m := IgnoringCreator(pkg + "...")
42 g := creator()
43 Expect(m.Match(g)).To(BeTrue(), "creator %v", g.String())
44 Expect(m.Match(goroutine.Current())).To(BeFalse())
45 Expect(m.Match(Goroutine{
46 TopFunction: "spanish.inquisition",
47 })).To(BeFalse())
48 })
49
50 It("returns failure messages", func() {
51 m := IgnoringCreator("foo.bar")
52 Expect(m.FailureMessage(Goroutine{ID: 42, TopFunction: "foo"})).To(Equal(
53 "Expected\n <goroutine.Goroutine>: {ID: 42, State: \"\", TopFunction: \"foo\", CreatorFunction: \"\", BornAt: \"\"}\nto be created by \"foo.bar\""))
54 Expect(m.NegatedFailureMessage(Goroutine{ID: 42, TopFunction: "foo"})).To(Equal(
55 "Expected\n <goroutine.Goroutine>: {ID: 42, State: \"\", TopFunction: \"foo\", CreatorFunction: \"\", BornAt: \"\"}\nnot to be created by \"foo.bar\""))
56
57 m = IgnoringCreator("foo...")
58 Expect(m.FailureMessage(Goroutine{ID: 42, TopFunction: "foo"})).To(Equal(
59 "Expected\n <goroutine.Goroutine>: {ID: 42, State: \"\", TopFunction: \"foo\", CreatorFunction: \"\", BornAt: \"\"}\nto be created by a function with prefix \"foo.\""))
60 })
61
62 })
63
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