github.com/onsi/gomega@v1.32.0/internal/gomega_test.go (about)

     1  package internal_test
     2  
     3  import (
     4  	"runtime"
     5  
     6  	. "github.com/onsi/ginkgo/v2"
     7  	. "github.com/onsi/gomega"
     8  	"github.com/onsi/gomega/internal"
     9  )
    10  
    11  var _ = Describe("Gomega", func() {
    12  	It("is mostly tested in assertion_test and async_assertion_test", func() {
    13  
    14  	})
    15  	Describe("when initialized", func() {
    16  		var g *internal.Gomega
    17  
    18  		BeforeEach(func() {
    19  			g = internal.NewGomega(internal.DurationBundle{})
    20  			Ω(g.Fail).Should(BeNil())
    21  			Ω(g.THelper).Should(BeNil())
    22  		})
    23  
    24  		It("should be registered as unconfigured", func() {
    25  			Ω(g.IsConfigured()).Should(BeFalse())
    26  		})
    27  
    28  		Context("when configured with a fail handler", func() {
    29  			It("registers the fail handler and a no-op helper", func() {
    30  				var capturedMessage string
    31  				g.ConfigureWithFailHandler(func(message string, skip ...int) {
    32  					capturedMessage = message
    33  				})
    34  				Ω(g.IsConfigured()).Should(BeTrue())
    35  
    36  				g.Fail("hi bob")
    37  				Ω(capturedMessage).Should(Equal("hi bob"))
    38  				Ω(g.THelper).ShouldNot(Panic())
    39  			})
    40  		})
    41  
    42  		Context("when configured with a T", func() {
    43  			It("registers a fail handler an the T's helper", func() {
    44  				fake := &FakeGomegaTestingT{}
    45  				g.ConfigureWithT(fake)
    46  				Ω(g.IsConfigured()).Should(BeTrue())
    47  
    48  				g.Fail("hi bob")
    49  				Ω(fake.CalledHelper).Should(BeTrue())
    50  				Ω(fake.CalledFatalf).Should(Equal("\nhi bob"))
    51  
    52  				fake.CalledHelper = false
    53  				g.THelper()
    54  				Ω(fake.CalledHelper).Should(BeTrue())
    55  			})
    56  		})
    57  	})
    58  
    59  	Describe("Offset", func() {
    60  		It("computes the correct offsets", func() {
    61  			doubleNested := func(g Gomega, eventually bool) {
    62  				func() {
    63  					if eventually {
    64  						g.Eventually(true, "10ms", "5ms").WithOffset(2).Should(BeFalse())
    65  					} else {
    66  						g.Expect(true).WithOffset(2).To(BeFalse())
    67  					}
    68  				}()
    69  			}
    70  
    71  			reportedFile, reportedLine := "", 0
    72  			_, thisFile, anchorLine, _ := runtime.Caller(0)    // 0
    73  			g := NewGomega(func(message string, skip ...int) { // 1
    74  				_, reportedFile, reportedLine, _ = runtime.Caller(skip[0] + 1) // 2
    75  			}) // 3
    76  			g.Expect(true).To(BeFalse())                        // *4*
    77  			Ω(reportedFile).Should(Equal(thisFile))             // 5
    78  			Ω(reportedLine - anchorLine).Should(Equal(4))       // 6
    79  			doubleNested(g, false)                              // *7*
    80  			Ω(reportedFile).Should(Equal(thisFile))             // 8
    81  			Ω(reportedLine - anchorLine).Should(Equal(7))       // 9
    82  			g.Eventually(true, "10ms", "5ms").Should(BeFalse()) // *10*
    83  			Ω(reportedFile).Should(Equal(thisFile))             // 11
    84  			Ω(reportedLine - anchorLine).Should(Equal(10))      // 12
    85  			doubleNested(g, true)                               // *13*
    86  			Ω(reportedFile).Should(Equal(thisFile))             // 14
    87  			Ω(reportedLine - anchorLine).Should(Equal(13))      // 15
    88  		})
    89  	})
    90  })