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package matchers_test
import (
. "github.com/onsi/ginkgo"
. "github.com/onsi/gomega"
. "github.com/onsi/gomega/matchers"
)
var _ = Describe("Panic", func() {
Context("when passed something that's not a function that takes zero arguments and returns nothing", func() {
It("should error", func() {
success, err := (&PanicMatcher{}).Match("foo")
Expect(success).To(BeFalse())
Expect(err).To(HaveOccurred())
success, err = (&PanicMatcher{}).Match(nil)
Expect(success).To(BeFalse())
Expect(err).To(HaveOccurred())
success, err = (&PanicMatcher{}).Match(func(foo string) {})
Expect(success).To(BeFalse())
Expect(err).To(HaveOccurred())
success, err = (&PanicMatcher{}).Match(func() string { return "bar" })
Expect(success).To(BeFalse())
Expect(err).To(HaveOccurred())
})
})
Context("when passed a function of the correct type", func() {
It("should call the function and pass if the function panics", func() {
Expect(func() { panic("ack!") }).To(Panic())
Expect(func() {}).NotTo(Panic())
})
})
Context("when assertion fails", func() {
It("prints the object passed to Panic when negative", func() {
failuresMessages := InterceptGomegaFailures(func() {
Expect(func() { panic("ack!") }).NotTo(Panic())
})
Expect(failuresMessages).To(ConsistOf(ContainSubstring("not to panic, but panicked with\n <string>: ack!")))
})
It("prints simple message when positive", func() {
failuresMessages := InterceptGomegaFailures(func() {
Expect(func() {}).To(Panic())
})
Expect(failuresMessages).To(ConsistOf(MatchRegexp("Expected\n\\s+<func\\(\\)>: .+\nto panic")))
})
})
})
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