Value: proto.Float64(42),
Unit: proto.String("fake-unit"),
},
}
message, err := proto.Marshal(unknownEventTypeMessage)
Expect(err).ToNot(HaveOccurred())
output, err := unmarshaller.UnmarshallMessage(message)
Expect(output).To(BeNil())
Expect(err).To(HaveOccurred())
})
})
Context("Write", func() {
It("unmarshalls byte arrays and writes to an EnvelopeWriter", func() {
unmarshaller.Write(message)
Expect(mockWriter.Events).To(HaveLen(1))
Expect(mockWriter.Events[0]).To(Equal(event))
})
It("returns an error when it can't unmarshal", func() {
message = []byte("Bad Message")
unmarshaller.Write(message)
Expect(mockWriter.Events).To(HaveLen(0))
})
})
Context("metrics", func() {
It("emits unmarshal errors", func() {
It("unmarshalls bytes", func() {
output, _ := unmarshaller.UnmarshallMessage(message)
Expect(output).To(Equal(event))
})
It("handles bad input gracefully", func() {
output, err := unmarshaller.UnmarshallMessage(make([]byte, 4))
Expect(output).To(BeNil())
Expect(err).To(HaveOccurred())
})
})
Context("Write", func() {
It("unmarshalls byte arrays and writes to an EnvelopeWriter", func() {
unmarshaller.Write(message)
Expect(mockWriter.Events).To(HaveLen(1))
Expect(mockWriter.Events[0]).To(Equal(event))
})
It("returns an error when it can't unmarshal", func() {
message = []byte("Bad Message")
unmarshaller.Write(message)
Expect(mockWriter.Events).To(HaveLen(0))
})
})
Context("metrics", func() {
BeforeEach(func() {