github.com/onsi/gomega@v1.32.0/matchers/be_false_matcher_test.go (about)

     1  package matchers_test
     2  
     3  import (
     4  	. "github.com/onsi/ginkgo/v2"
     5  	. "github.com/onsi/gomega"
     6  	. "github.com/onsi/gomega/matchers"
     7  )
     8  
     9  var _ = Describe("BeFalse and BeFalseBecause", func() {
    10  	It("should handle true and false correctly", func() {
    11  		Expect(true).ShouldNot(BeFalse())
    12  		Expect(false).Should(BeFalse())
    13  	})
    14  
    15  	It("should only support booleans", func() {
    16  		success, err := (&BeFalseMatcher{}).Match("foo")
    17  		Expect(success).Should(BeFalse())
    18  		Expect(err).Should(HaveOccurred())
    19  	})
    20  
    21  	It("returns the passed in failure message if provided", func() {
    22  		x := 100
    23  		err := InterceptGomegaFailure(func() { Expect(x == 100).Should(BeFalse()) })
    24  		Ω(err.Error()).Should(Equal("Expected\n    <bool>: true\nto be false"))
    25  
    26  		err = InterceptGomegaFailure(func() { Expect(x == 100).Should(BeFalseBecause("x should not be 100%%")) })
    27  		Ω(err.Error()).Should(Equal("x should not be 100%"))
    28  
    29  		err = InterceptGomegaFailure(func() { Expect(x == 100).Should(BeFalseBecause("x should not be %d%%", 100)) })
    30  		Ω(err.Error()).Should(Equal("x should not be 100%"))
    31  	})
    32  
    33  	It("prints out a useful message if a negation fails", func() {
    34  		x := 10
    35  		err := InterceptGomegaFailure(func() { Expect(x == 100).ShouldNot(BeFalse()) })
    36  		Ω(err.Error()).Should(Equal("Expected\n    <bool>: false\nnot to be false"))
    37  
    38  		err = InterceptGomegaFailure(func() { Expect(x == 100).ShouldNot(BeFalseBecause("x should not be 100%%")) })
    39  		Ω(err.Error()).Should(Equal(`Expected not false but got false\nNegation of "x should not be 100%" failed`))
    40  
    41  		err = InterceptGomegaFailure(func() { Expect(x == 100).ShouldNot(BeFalseBecause("x should not be %d%%", 100)) })
    42  		Ω(err.Error()).Should(Equal(`Expected not false but got false\nNegation of "x should not be 100%" failed`))
    43  	})
    44  })