vendor/github.com/onsi/gomega/matchers/panic_matcher_test.go

   1 package matchers_test
   2
   3 import (
   4         . "github.com/onsi/ginkgo"
   5         . "github.com/onsi/gomega"
   6         . "github.com/onsi/gomega/matchers"
   7 )
   8
   9 var _ = Describe("Panic", func() {
  10         Context("when passed something that's not a function that takes zero arguments and returns nothing", func() {
  11                 It("should error", func() {
  12                         success, err := (&PanicMatcher{}).Match("foo")
  13                         Ω(success).Should(BeFalse())
  14                         Ω(err).Should(HaveOccurred())
  15
  16                         success, err = (&PanicMatcher{}).Match(nil)
  17                         Ω(success).Should(BeFalse())
  18                         Ω(err).Should(HaveOccurred())
  19
  20                         success, err = (&PanicMatcher{}).Match(func(foo string) {})
  21                         Ω(success).Should(BeFalse())
  22                         Ω(err).Should(HaveOccurred())
  23
  24                         success, err = (&PanicMatcher{}).Match(func() string { return "bar" })
  25                         Ω(success).Should(BeFalse())
  26                         Ω(err).Should(HaveOccurred())
  27                 })
  28         })
  29
  30         Context("when passed a function of the correct type", func() {
  31                 It("should call the function and pass if the function panics", func() {
  32                         Ω(func() { panic("ack!") }).Should(Panic())
  33                         Ω(func() {}).ShouldNot(Panic())
  34                 })
  35         })
  36
  37         Context("when assertion fails", func() {
  38                 It("should print the object passed to Panic", func() {
  39                         failuresMessages := InterceptGomegaFailures(func() {
  40                                 Ω(func() { panic("ack!") }).ShouldNot(Panic())
  41                         })
  42                         Ω(failuresMessages).Should(ConsistOf(MatchRegexp("not to panic, but panicked with\\s*<string>: ack!")))
  43                 })
  44         })
  45 })