1 package matchers_test
2
3 import (
4 . "github.com/onsi/ginkgo/v2"
5 . "github.com/onsi/gomega"
6 . "github.com/onsi/gomega/matchers"
7 )
8
9 var _ = Describe("BeKeyOf", func() {
10 When("passed a map", func() {
11 It("should do the right thing", func() {
12 Expect(2).Should(BeKeyOf(map[int]bool{1: true, 2: false}))
13 Expect(3).ShouldNot(BeKeyOf(map[int]bool{1: true, 2: false}))
14
15 var mone map[int]bool
16 Expect(42).ShouldNot(BeKeyOf(mone))
17
18 two := 2
19 Expect(&two).Should(BeKeyOf(map[*int]bool{&two: true, nil: false}))
20 })
21 })
22
23 When("passed a correctly typed nil", func() {
24 It("should operate successfully on the passed in value", func() {
25 two := 2
26 Expect((*int)(nil)).Should(BeKeyOf(map[*int]bool{&two: true, nil: false}))
27
28 one := 1
29 Expect((*int)(nil)).ShouldNot(BeKeyOf(map[*int]bool{&two: true, &one: false}))
30 })
31 })
32
33 When("passed an unsupported type", func() {
34 It("should error", func() {
35 success, err := (&BeKeyOfMatcher{Map: []interface{}{0}}).Match(nil)
36 Expect(success).Should(BeFalse())
37 Expect(err).Should(HaveOccurred())
38
39 success, err = (&BeKeyOfMatcher{Map: nil}).Match(nil)
40 Expect(success).Should(BeFalse())
41 Expect(err).Should(HaveOccurred())
42 })
43 })
44
45 It("builds failure message", func() {
46 actual := BeKeyOf(map[int]bool{1: true, 2: false}).FailureMessage(42)
47 Expect(actual).To(MatchRegexp("Expected\n <int>: 42\nto be a key of\n <\\[\\]bool | len:2, cap:2>: \\[(true, false)|(false, true)\\]"))
48 })
49
50 It("builds negated failure message", func() {
51 actual := BeKeyOf(map[int]bool{1: true, 2: false}).NegatedFailureMessage(42)
52 Expect(actual).To(MatchRegexp("Expected\n <int>: 42\nnot to be a key of\n <\\[\\]bool | len:2, cap:2>: \\[(true, false)|(false, true)\\]"))
53 })
54
55 })
56
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