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
|
package matchers_test
import (
. "github.com/onsi/ginkgo"
. "github.com/onsi/gomega"
. "github.com/onsi/gomega/matchers"
)
var _ = Describe("OrMatcher", func() {
It("works with positive cases", func() {
Expect(input).To(Or(true1))
Expect(input).To(Or(true1, true2))
Expect(input).To(Or(true1, false1))
Expect(input).To(Or(false1, true2))
Expect(input).To(Or(true1, true2, true3))
Expect(input).To(Or(true1, true2, false3))
Expect(input).To(Or(true1, false2, true3))
Expect(input).To(Or(false1, true2, true3))
Expect(input).To(Or(true1, false2, false3))
Expect(input).To(Or(false1, false2, true3))
// use alias
Expect(input).To(SatisfyAny(false1, false2, true3))
})
It("stops on errors", func() {
failuresMessages := InterceptGomegaFailures(func() {
Expect(input).To(Or(Panic(), true1))
})
Expect(failuresMessages).To(Equal([]string{"PanicMatcher expects a function. Got:\n <string>: hi"}))
})
It("works with negative cases", func() {
Expect(input).ToNot(Or())
Expect(input).ToNot(Or(false1))
Expect(input).ToNot(Or(false1, false2))
Expect(input).ToNot(Or(false1, false2, false3))
})
Context("failure messages", func() {
Context("when match fails", func() {
It("gives a descriptive message", func() {
verifyFailureMessage(Or(false1, false2), input,
"To satisfy at least one of these matchers: [%!s(*matchers.HaveLenMatcher=&{1}) %!s(*matchers.EqualMatcher=&{hip})]")
})
})
Context("when match succeeds, but expected it to fail", func() {
It("gives a descriptive message", func() {
verifyFailureMessage(Not(Or(true1, true2)), input, `not to have length 2`)
})
})
})
Context("MatchMayChangeInTheFuture", func() {
Context("Match returned false", func() {
It("returns true if any of the matchers could change", func() {
// 3 matchers, all return false, and all could change
m := Or(BeNil(), Equal("hip"), HaveLen(1))
Expect(m.Match("hi")).To(BeFalse())
Expect(m.(*OrMatcher).MatchMayChangeInTheFuture("hi")).To(BeTrue()) // all 3 of these matchers default to 'true'
})
It("returns false if none of the matchers could change", func() {
// empty Or() has the property of never matching, and never can change since there are no sub-matchers that could change
m := Or()
Expect(m.Match("anything")).To(BeFalse())
Expect(m.(*OrMatcher).MatchMayChangeInTheFuture("anything")).To(BeFalse())
// Or() with 3 sub-matchers that return false, and can't change
m = Or(Or(), Or(), Or())
Expect(m.Match("hi")).To(BeFalse())
Expect(m.(*OrMatcher).MatchMayChangeInTheFuture("hi")).To(BeFalse()) // the 3 empty Or()'s won't change
})
})
Context("Match returned true", func() {
Context("returns value of the successful matcher", func() {
It("false if successful matcher not going to change", func() {
// 3 matchers: 1st returns false, 2nd returns true and is not going to change, 3rd is never called
m := Or(BeNil(), And(), Equal(1))
Expect(m.Match("hi")).To(BeTrue())
Expect(m.(*OrMatcher).MatchMayChangeInTheFuture("hi")).To(BeFalse())
})
It("true if successful matcher indicates it might change", func() {
// 3 matchers: 1st returns false, 2nd returns true and "might" change, 3rd is never called
m := Or(Not(BeNil()), Equal("hi"), Equal(1))
Expect(m.Match("hi")).To(BeTrue())
Expect(m.(*OrMatcher).MatchMayChangeInTheFuture("hi")).To(BeTrue()) // Equal("hi") indicates it might change
})
})
})
})
})
|