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package gemini
import (
"fmt"
"io/ioutil"
"net/url"
"os"
"strings"
"testing"
"github.com/google/go-cmp/cmp"
)
func compareResponses(expected, given *Response) (diff string) {
diff = cmp.Diff(expected.Meta, given.Meta)
if diff != "" {
return
}
diff = cmp.Diff(expected.Meta, given.Meta)
if diff != "" {
return
}
expectedBody, err := ioutil.ReadAll(expected.Body)
if err != nil {
return fmt.Sprintf("failed to get expected body: %v", err)
}
givenBody, err := ioutil.ReadAll(given.Body)
if err != nil {
return fmt.Sprintf("failed to get givenponse body: %v", err)
}
diff = cmp.Diff(expectedBody, givenBody)
return
}
func TestGetResponse(t *testing.T) {
tests := []struct {
file string
expected Response
}{
{"resources/tests/simple_response", Response{20, "text/gemini", ioutil.NopCloser(strings.NewReader("This is the content of the page\r\n")), nil, nil}},
}
for _, tc := range tests {
f, err := os.Open(tc.file)
if err != nil {
t.Fatalf("failed to get test case file %s: %v", tc.file, err)
}
res := Response{}
err = getResponse(&res, f)
if err != nil {
t.Fatalf("failed to parse response %s: %v", tc.file, err)
}
diff := compareResponses(&tc.expected, &res)
if diff != "" {
t.Fatalf(diff)
}
}
}
func TestGetResponseEmptyResponse(t *testing.T) {
err := getResponse(&Response{}, ioutil.NopCloser(strings.NewReader("")))
if err == nil {
t.Fatalf("expected to get an error for empty response, got nil instead")
}
}
func TestGetResponseInvalidStatus(t *testing.T) {
err := getResponse(&Response{}, ioutil.NopCloser(strings.NewReader("AA\tmeta\r\n")))
if err == nil {
t.Fatalf("expected to get an error for invalid status response, got nil instead")
}
}
func TestGetHeaderLongMeta(t *testing.T) {
// Meta longer than allowed
_, err := getHeader(strings.NewReader("20 " + strings.Repeat("a", MetaMaxLength+1) + "\r\n"))
if err == nil {
t.Fatalf(fmt.Sprintf("expected to get an error for meta longer than %d", MetaMaxLength))
}
}
func TestGetHeaderOnlyLF(t *testing.T) {
// Meta longer than 1024 chars
_, err := getHeader(strings.NewReader("20 test" + "\n"))
if err == nil {
t.Fatalf("expected to get an error for header ending only in LF")
}
}
func TestGetHeaderNoSpace(t *testing.T) {
_, err := getHeader(strings.NewReader("20\r\n"))
if err == nil {
t.Fatalf("expected to get an error for header with no space")
}
}
func parse(s string) *url.URL {
p, _ := url.Parse(s)
return p
}
func TestGetHost(t *testing.T) {
tests := []struct {
host string
url string
}{
{"example.com:1965", "gemini://example.com:1965"},
{"example.com:1965", "gemini://example.com"},
{"example.com:1965", "gemini://example.com/test//"},
{"example.com:123", "gemini://example.com:123"},
{"example.com:123", "gemini://example.com:123/test//"},
{"0.0.0.0:1965", "gemini://0.0.0.0:1965"},
{"0.0.0.0:1965", "gemini://0.0.0.0"},
{"0.0.0.0:1965", "gemini://0.0.0.0/test//"},
{"0.0.0.0:123", "gemini://0.0.0.0:123"},
{"0.0.0.0:123", "gemini://0.0.0.0:123/test//"},
{"[::1]:1965", "gemini://[::1]:1965"},
{"[::1]:1965", "gemini://[::1]"},
{"[::1]:1965", "gemini://[::1]/test//"},
{"[::1]:123", "gemini://[::1]:123"},
{"[::1]:123", "gemini://[::1]:123/test//"},
}
for _, tc := range tests {
host := getHost(parse(tc.url))
if tc.host != host {
t.Errorf("Got %s but expected %s for URL %s", host, tc.host, tc.url)
}
}
}
func TestGetPunycodeURL(t *testing.T) {
tests := []struct {
expected string
url string
}{
{"gemini://example.com:1965", "gemini://example.com:1965"},
{"gemini://example.com", "gemini://example.com"},
{"gemini://example.com/test//", "gemini://example.com/test//"},
{"gemini://xn--gmeaux-bva.bortzmeyer.org/", "gemini://gémeaux.bortzmeyer.org/"},
{"gemini://1.2.3.4/", "gemini://1.2.3.4/"},
{"gemini://1.2.3.4:33/", "gemini://1.2.3.4:33/"},
{"gemini://[::1]:1234", "gemini://[::1]:1234"},
{"gemini://xn--gmeaux-bva.bortzmeyer.org:1965/", "gemini://gémeaux.bortzmeyer.org:1965/"},
}
for _, tc := range tests {
u, err := GetPunycodeURL(tc.url)
if err != nil {
t.Errorf("Got error %v for URL %s , expected %s", err, tc.url, tc.expected)
}
if tc.expected != u {
t.Errorf("Got %s but expected %s for URL %s", u, tc.expected, tc.url)
}
}
}
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