diff options
Diffstat (limited to 'vendor/github.com/onsi/gomega/matchers/not_test.go')
-rw-r--r-- | vendor/github.com/onsi/gomega/matchers/not_test.go | 64 |
1 files changed, 64 insertions, 0 deletions
diff --git a/vendor/github.com/onsi/gomega/matchers/not_test.go b/vendor/github.com/onsi/gomega/matchers/not_test.go new file mode 100644 index 000000000..06d3ebd17 --- /dev/null +++ b/vendor/github.com/onsi/gomega/matchers/not_test.go @@ -0,0 +1,64 @@ +package matchers_test + +import ( + . "github.com/onsi/ginkgo" + . "github.com/onsi/gomega" + . "github.com/onsi/gomega/matchers" +) + +var _ = Describe("NotMatcher", func() { + Context("basic examples", func() { + It("works", func() { + Expect(input).To(Not(false1)) + Expect(input).To(Not(Not(true2))) + Expect(input).ToNot(Not(true3)) + Expect(input).ToNot(Not(Not(false1))) + Expect(input).To(Not(Not(Not(false2)))) + }) + + It("fails on error", func() { + failuresMessages := InterceptGomegaFailures(func() { + Expect(input).To(Not(Panic())) + }) + Expect(failuresMessages).To(Equal([]string{"PanicMatcher expects a function. Got:\n <string>: hi"})) + }) + }) + + Context("De Morgan's laws", func() { + It("~(A && B) == ~A || ~B", func() { + Expect(input).To(Not(And(false1, false2))) + Expect(input).To(Or(Not(false1), Not(false2))) + }) + It("~(A || B) == ~A && ~B", func() { + Expect(input).To(Not(Or(false1, false2))) + Expect(input).To(And(Not(false1), Not(false2))) + }) + }) + + Context("failure messages are opposite of original matchers' failure messages", func() { + Context("when match fails", func() { + It("gives a descriptive message", func() { + verifyFailureMessage(Not(HaveLen(2)), input, "not to have length 2") + }) + }) + + Context("when match succeeds, but expected it to fail", func() { + It("gives a descriptive message", func() { + verifyFailureMessage(Not(Not(HaveLen(3))), input, "to have length 3") + }) + }) + }) + + Context("MatchMayChangeInTheFuture()", func() { + It("Propagates value from wrapped matcher", func() { + m := Not(Or()) // an empty Or() always returns false, and indicates it cannot change + Expect(m.Match("anything")).To(BeTrue()) + Expect(m.(*NotMatcher).MatchMayChangeInTheFuture("anything")).To(BeFalse()) + }) + It("Defaults to true", func() { + m := Not(Equal(1)) // Equal does not have this method + Expect(m.Match(2)).To(BeTrue()) + Expect(m.(*NotMatcher).MatchMayChangeInTheFuture(2)).To(BeTrue()) // defaults to true + }) + }) +}) |