mirror of https://github.com/0xERR0R/blocky.git
134 lines
2.8 KiB
Go
134 lines
2.8 KiB
Go
package resolver
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import (
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"errors"
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"github.com/0xERR0R/blocky/config"
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. "github.com/0xERR0R/blocky/helpertest"
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"github.com/0xERR0R/blocky/log"
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. "github.com/0xERR0R/blocky/model"
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"github.com/miekg/dns"
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. "github.com/onsi/ginkgo/v2"
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. "github.com/onsi/gomega"
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"github.com/stretchr/testify/mock"
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)
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var _ = Describe("EdeResolver", func() {
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var (
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sut *EdeResolver
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sutConfig config.EdeConfig
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m *mockResolver
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mockAnswer *dns.Msg
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)
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Describe("Type", func() {
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It("follows conventions", func() {
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expectValidResolverType(sut)
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})
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})
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BeforeEach(func() {
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mockAnswer = new(dns.Msg)
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})
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JustBeforeEach(func() {
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if m == nil {
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m = &mockResolver{}
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m.On("Resolve", mock.Anything).Return(&Response{
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Res: mockAnswer,
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RType: ResponseTypeCUSTOMDNS,
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Reason: "Test",
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}, nil)
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}
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sut = NewEdeResolver(sutConfig)
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sut.Next(m)
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})
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When("ede is disabled", func() {
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BeforeEach(func() {
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sutConfig = config.EdeConfig{
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Enable: false,
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}
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})
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It("shouldn't add EDE information", func() {
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Expect(sut.Resolve(newRequest("example.com.", A))).
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Should(
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SatisfyAll(
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HaveNoAnswer(),
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HaveResponseType(ResponseTypeCUSTOMDNS),
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HaveReturnCode(dns.RcodeSuccess),
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WithTransform(ToExtra, BeEmpty()),
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))
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// delegated to next resolver
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Expect(m.Calls).Should(HaveLen(1))
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})
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Describe("IsEnabled", func() {
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It("is false", func() {
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Expect(sut.IsEnabled()).Should(BeFalse())
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})
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})
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})
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When("ede is enabled", func() {
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BeforeEach(func() {
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sutConfig = config.EdeConfig{
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Enable: true,
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}
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})
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extractFirstOptRecord := func(e []dns.RR) []dns.EDNS0 {
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return e[0].(*dns.OPT).Option
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}
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It("should add EDE information", func() {
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Expect(sut.Resolve(newRequest("example.com.", A))).
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Should(
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SatisfyAll(
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HaveNoAnswer(),
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HaveResponseType(ResponseTypeCUSTOMDNS),
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HaveReturnCode(dns.RcodeSuccess),
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// extra should contain one OPT record
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WithTransform(ToExtra,
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SatisfyAll(
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HaveLen(1),
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WithTransform(extractFirstOptRecord,
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SatisfyAll(
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ContainElement(HaveField("InfoCode", Equal(dns.ExtendedErrorCodeForgedAnswer))),
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ContainElement(HaveField("ExtraText", Equal("Test"))),
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)),
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)),
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))
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})
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When("resolver returns an error", func() {
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resolveErr := errors.New("test")
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BeforeEach(func() {
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m = &mockResolver{}
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m.On("Resolve", mock.Anything).Return(nil, resolveErr)
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})
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It("should return it", func() {
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resp, err := sut.Resolve(newRequest("example.com", A))
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Expect(resp).To(BeNil())
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Expect(err).To(Equal(resolveErr))
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})
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})
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Describe("LogConfig", func() {
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It("should log something", func() {
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logger, hook := log.NewMockEntry()
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sut.LogConfig(logger)
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Expect(hook.Calls).ShouldNot(BeEmpty())
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})
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})
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})
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})
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