mirror of https://github.com/0xERR0R/blocky.git
128 lines
3.2 KiB
Go
128 lines
3.2 KiB
Go
package helpertest
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import (
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"bytes"
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"fmt"
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"io/ioutil"
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"net/http"
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"net/http/httptest"
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"os"
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"github.com/0xERR0R/blocky/log"
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"github.com/miekg/dns"
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"github.com/onsi/gomega"
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"github.com/onsi/gomega/types"
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)
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// TempFile creates temp file with passed data
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func TempFile(data string) *os.File {
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f, err := ioutil.TempFile("", "prefix")
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if err != nil {
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log.Log().Fatal(err)
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}
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_, err = f.WriteString(data)
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if err != nil {
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log.Log().Fatal(err)
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}
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return f
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}
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// TestServer creates temp http server with passed data
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func TestServer(data string) *httptest.Server {
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return httptest.NewServer(http.HandlerFunc(func(rw http.ResponseWriter, req *http.Request) {
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_, err := rw.Write([]byte(data))
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if err != nil {
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log.Log().Fatal("can't write to buffer:", err)
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}
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}))
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}
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// DoGetRequest performs a GET request
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func DoGetRequest(url string, fn func(w http.ResponseWriter, r *http.Request)) (code int, body *bytes.Buffer) {
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r, _ := http.NewRequest("GET", url, nil)
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rr := httptest.NewRecorder()
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handler := http.HandlerFunc(fn)
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handler.ServeHTTP(rr, r)
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return rr.Code, rr.Body
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}
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// BeDNSRecord returns new dns matcher
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func BeDNSRecord(domain string, dnsType uint16, ttl uint32, answer string) types.GomegaMatcher {
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return &dnsRecordMatcher{
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domain: domain,
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dnsType: dnsType,
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TTL: ttl,
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answer: answer,
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}
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}
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type dnsRecordMatcher struct {
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domain string
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dnsType uint16
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TTL uint32
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answer string
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}
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func (matcher *dnsRecordMatcher) matchSingle(rr dns.RR) (success bool, err error) {
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if (rr.Header().Name != matcher.domain) ||
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(rr.Header().Rrtype != matcher.dnsType) ||
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(matcher.TTL > 0 && (rr.Header().Ttl != matcher.TTL)) {
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return false, nil
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}
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switch v := rr.(type) {
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case *dns.A:
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return v.A.String() == matcher.answer, nil
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case *dns.AAAA:
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return v.AAAA.String() == matcher.answer, nil
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case *dns.PTR:
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return v.Ptr == matcher.answer, nil
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case *dns.MX:
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return v.Mx == matcher.answer, nil
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}
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return false, nil
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}
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// Match checks the DNS record
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func (matcher *dnsRecordMatcher) Match(actual interface{}) (success bool, err error) {
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switch i := actual.(type) {
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case dns.RR:
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return matcher.matchSingle(i)
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case []dns.RR:
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return matcher.matchSingle(i[0])
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default:
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return false, fmt.Errorf("DNSRecord matcher expects an dns.RR or []dns.RR")
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}
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}
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// FailureMessage generates a failure messge
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func (matcher *dnsRecordMatcher) FailureMessage(actual interface{}) (message string) {
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return fmt.Sprintf("Expected\n\t%s\n to contain\n\t domain '%s', ttl '%d', type '%s', answer '%s'",
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actual, matcher.domain, matcher.TTL, dns.TypeToString[matcher.dnsType], matcher.answer)
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}
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// NegatedFailureMessage creates negated message
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func (matcher *dnsRecordMatcher) NegatedFailureMessage(actual interface{}) (message string) {
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return fmt.Sprintf("Expected\n\t%s\n not to contain\n\t domain '%s', ttl '%d', type '%s', answer '%s'",
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actual, matcher.domain, matcher.TTL, dns.TypeToString[matcher.dnsType], matcher.answer)
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}
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// ShouldLogFatal checks if passed function calls log.fatal
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func ShouldLogFatal(fn func()) {
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defer func() { log.Log().ExitFunc = nil }()
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var fatal bool
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log.Log().ExitFunc = func(int) { fatal = true }
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fn()
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gomega.Expect(fatal).Should(gomega.BeTrue())
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}
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