github.com/swisscom/cloudfoundry-cli@v7.1.0+incompatible/types/null_uint64_test.go (about)

     1  package types_test
     2  
     3  import (
     4  	. "code.cloudfoundry.org/cli/types"
     5  	. "github.com/onsi/ginkgo"
     6  	. "github.com/onsi/gomega"
     7  )
     8  
     9  var _ = Describe("NullUint64", func() {
    10  	var nullUint64 NullUint64
    11  
    12  	BeforeEach(func() {
    13  		nullUint64 = NullUint64{
    14  			IsSet: true,
    15  			Value: 0xBAD,
    16  		}
    17  	})
    18  
    19  	Describe("ParseStringValue", func() {
    20  		When("the empty string is provided", func() {
    21  			It("sets IsSet to false", func() {
    22  				err := nullUint64.ParseStringValue("")
    23  				Expect(err).ToNot(HaveOccurred())
    24  				Expect(nullUint64).To(Equal(NullUint64{Value: 0, IsSet: false}))
    25  			})
    26  		})
    27  
    28  		When("an invalid integer is provided", func() {
    29  			It("returns an error", func() {
    30  				err := nullUint64.ParseStringValue("abcdef")
    31  				Expect(err).To(HaveOccurred())
    32  				Expect(nullUint64).To(Equal(NullUint64{Value: 0, IsSet: false}))
    33  			})
    34  		})
    35  
    36  		When("a negative integer is provided", func() {
    37  			It("returns an error", func() {
    38  				err := nullUint64.ParseStringValue("-1")
    39  				Expect(err).To(HaveOccurred())
    40  			})
    41  		})
    42  
    43  		When("a valid integer is provided", func() {
    44  			It("stores the integer and sets IsSet to true", func() {
    45  				err := nullUint64.ParseStringValue("0")
    46  				Expect(err).ToNot(HaveOccurred())
    47  				Expect(nullUint64).To(Equal(NullUint64{Value: 0, IsSet: true}))
    48  			})
    49  		})
    50  	})
    51  
    52  	Describe("UnmarshalJSON", func() {
    53  		When("integer value is provided", func() {
    54  			It("parses JSON number correctly", func() {
    55  				err := nullUint64.UnmarshalJSON([]byte("42"))
    56  				Expect(err).ToNot(HaveOccurred())
    57  				Expect(nullUint64).To(Equal(NullUint64{Value: 42, IsSet: true}))
    58  			})
    59  		})
    60  
    61  		When("a null value is provided", func() {
    62  			It("returns an unset NullUint64", func() {
    63  				err := nullUint64.UnmarshalJSON([]byte("null"))
    64  				Expect(err).ToNot(HaveOccurred())
    65  				Expect(nullUint64).To(Equal(NullUint64{Value: 0, IsSet: false}))
    66  			})
    67  		})
    68  
    69  		When("empty string is provided", func() {
    70  			It("returns an unset NullUint64", func() {
    71  				err := nullUint64.UnmarshalJSON([]byte(""))
    72  				Expect(err).ToNot(HaveOccurred())
    73  				Expect(nullUint64).To(Equal(NullUint64{Value: 0, IsSet: false}))
    74  			})
    75  		})
    76  	})
    77  })