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