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package matchers_test
import (
. "github.com/onsi/ginkgo"
. "github.com/onsi/gomega"
. "github.com/onsi/gomega/matchers"
)
var _ = Describe("HaveKeyWithValue", func() {
var (
stringKeys map[string]int
intKeys map[int]string
objKeys map[*myCustomType]*myCustomType
customA *myCustomType
customB *myCustomType
)
BeforeEach(func() {
stringKeys = map[string]int{"foo": 2, "bar": 3}
intKeys = map[int]string{2: "foo", 3: "bar"}
customA = &myCustomType{s: "a", n: 2, f: 2.3, arr: []string{"ice", "cream"}}
customB = &myCustomType{s: "b", n: 4, f: 3.1, arr: []string{"cake"}}
objKeys = map[*myCustomType]*myCustomType{customA: customA, customB: customA}
})
Context("when passed a map", func() {
It("should do the right thing", func() {
Ω(stringKeys).Should(HaveKeyWithValue("foo", 2))
Ω(stringKeys).ShouldNot(HaveKeyWithValue("foo", 1))
Ω(stringKeys).ShouldNot(HaveKeyWithValue("baz", 2))
Ω(stringKeys).ShouldNot(HaveKeyWithValue("baz", 1))
Ω(intKeys).Should(HaveKeyWithValue(2, "foo"))
Ω(intKeys).ShouldNot(HaveKeyWithValue(4, "foo"))
Ω(intKeys).ShouldNot(HaveKeyWithValue(2, "baz"))
Ω(objKeys).Should(HaveKeyWithValue(customA, customA))
Ω(objKeys).Should(HaveKeyWithValue(&myCustomType{s: "b", n: 4, f: 3.1, arr: []string{"cake"}}, &myCustomType{s: "a", n: 2, f: 2.3, arr: []string{"ice", "cream"}}))
Ω(objKeys).ShouldNot(HaveKeyWithValue(&myCustomType{s: "b", n: 4, f: 3.1, arr: []string{"apple", "pie"}}, customA))
})
})
Context("when passed a correctly typed nil", func() {
It("should operate succesfully on the passed in value", func() {
var nilMap map[int]string
Ω(nilMap).ShouldNot(HaveKeyWithValue("foo", "bar"))
})
})
Context("when the passed in key or value is actually a matcher", func() {
It("should pass each element through the matcher", func() {
Ω(stringKeys).Should(HaveKeyWithValue(ContainSubstring("oo"), 2))
Ω(intKeys).Should(HaveKeyWithValue(2, ContainSubstring("oo")))
Ω(stringKeys).ShouldNot(HaveKeyWithValue(ContainSubstring("foobar"), 2))
})
It("should fail if the matcher ever fails", func() {
actual := map[int]string{1: "a", 3: "b", 2: "c"}
success, err := (&HaveKeyWithValueMatcher{Key: ContainSubstring("ar"), Value: 2}).Match(actual)
Ω(success).Should(BeFalse())
Ω(err).Should(HaveOccurred())
otherActual := map[string]int{"a": 1, "b": 2, "c": 3}
success, err = (&HaveKeyWithValueMatcher{Key: "a", Value: ContainSubstring("1")}).Match(otherActual)
Ω(success).Should(BeFalse())
Ω(err).Should(HaveOccurred())
})
})
Context("when passed something that is not a map", func() {
It("should error", func() {
success, err := (&HaveKeyWithValueMatcher{Key: "foo", Value: "bar"}).Match([]string{"foo"})
Ω(success).Should(BeFalse())
Ω(err).Should(HaveOccurred())
success, err = (&HaveKeyWithValueMatcher{Key: "foo", Value: "bar"}).Match(nil)
Ω(success).Should(BeFalse())
Ω(err).Should(HaveOccurred())
})
})
})
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