58 lines
1.3 KiB
Go
58 lines
1.3 KiB
Go
package hasher_test
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import (
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"testing"
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"github.com/navidrome/navidrome/utils/hasher"
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. "github.com/onsi/ginkgo/v2"
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. "github.com/onsi/gomega"
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)
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func TestHasher(t *testing.T) {
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RegisterFailHandler(Fail)
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RunSpecs(t, "Hasher Suite")
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}
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var _ = Describe("HashFunc", func() {
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const input = "123e4567e89b12d3a456426614174000"
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It("hashes the input and returns the sum", func() {
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hashFunc := hasher.HashFunc()
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sum := hashFunc("1", input)
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Expect(sum > 0).To(BeTrue())
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})
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It("hashes the input, reseeds and returns a different sum", func() {
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hashFunc := hasher.HashFunc()
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sum := hashFunc("1", input)
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hasher.Reseed("1")
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sum2 := hashFunc("1", input)
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Expect(sum).NotTo(Equal(sum2))
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})
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It("keeps different hashes for different ids", func() {
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hashFunc := hasher.HashFunc()
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sum := hashFunc("1", input)
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sum2 := hashFunc("2", input)
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Expect(sum).NotTo(Equal(sum2))
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Expect(sum).To(Equal(hashFunc("1", input)))
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Expect(sum2).To(Equal(hashFunc("2", input)))
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})
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It("keeps the same hash for the same id and seed", func() {
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id := "1"
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hashFunc := hasher.HashFunc()
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hasher.SetSeed(id, "original_seed")
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sum := hashFunc(id, input)
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Expect(sum).To(Equal(hashFunc(id, input)))
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hasher.Reseed(id)
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Expect(sum).NotTo(Equal(hashFunc(id, input)))
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hasher.SetSeed(id, "original_seed")
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Expect(sum).To(Equal(hashFunc(id, input)))
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})
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})
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