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|
package main
import (
"bufio"
"bytes"
"net/http"
"net/http/httptest"
"testing"
)
func TestFetchURLList(t *testing.T) {
tests := []struct {
name string
content string
want []string
wantErr bool
}{
{
name: "basic list with comments",
content: `# comment
https://example.com/1
https://example.com/2
# another comment
https://example.com/3`,
want: []string{
"https://example.com/1",
"https://example.com/2",
"https://example.com/3",
},
},
{
name: "empty lines and whitespace",
content: ` https://example.com/1
https://example.com/2`,
want: []string{
"https://example.com/1",
"https://example.com/2",
},
},
}
for _, tt := range tests {
t.Run(tt.name, func(t *testing.T) {
ts := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
_, err := w.Write([]byte(tt.content))
if err != nil {
t.Errorf("Couldn't write to content %v", err)
}
}))
defer ts.Close()
got, err := fetchURLList(ts.URL)
if (err != nil) != tt.wantErr {
t.Errorf("fetchURLList() error = %v, wantErr %v", err, tt.wantErr)
return
}
if !stringSliceEqual(got, tt.want) {
t.Errorf("fetchURLList() = %v, want %v", got, tt.want)
}
})
}
}
func TestFetchDomainsAndWrite(t *testing.T) {
tests := []struct {
name string
content string
want string
wantSeen map[string]struct{}
}{
{
name: "ip and domain format",
content: `# comment
0.0.0.0 domain1.com
0.0.0.0 domain2.com`,
want: `server:
local-zone: "domain1.com" refuse
local-zone: "domain2.com" refuse
`,
wantSeen: map[string]struct{}{
"domain1.com": {},
"domain2.com": {},
},
},
{
name: "plain domain format",
content: `# comment
domain1.com
domain2.com`,
want: `server:
local-zone: "domain1.com" refuse
local-zone: "domain2.com" refuse
`,
wantSeen: map[string]struct{}{
"domain1.com": {},
"domain2.com": {},
},
},
{
name: "mixed format with duplicates",
content: `domain1.com
0.0.0.0 domain1.com
0.0.0.0 DOMAIN1.COM
domain2.com`,
want: `server:
local-zone: "domain1.com" refuse
local-zone: "domain2.com" refuse
`,
wantSeen: map[string]struct{}{
"domain1.com": {},
"domain2.com": {},
},
},
}
for _, tt := range tests {
t.Run(tt.name, func(t *testing.T) {
ts := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
_, err := w.Write([]byte(tt.content))
if err != nil {
t.Errorf("Couldn't write to content %v", err)
}
}))
defer ts.Close()
var buf bytes.Buffer
w := bufio.NewWriter(&buf)
seen := make(map[string]struct{})
err := fetchDomainsAndWrite(ts.URL, w, seen)
if err != nil {
t.Fatalf("fetchDomainsAndWrite() error = %v", err)
}
w.Flush()
if got := buf.String(); got != tt.want {
t.Errorf("fetchDomainsAndWrite() output = %q, want %q", got, tt.want)
}
if !mapEqual(seen, tt.wantSeen) {
t.Errorf("fetchDomainsAndWrite() seen = %v, want %v", seen, tt.wantSeen)
}
})
}
}
func stringSliceEqual(a, b []string) bool {
if len(a) != len(b) {
return false
}
for i := range a {
if a[i] != b[i] {
return false
}
}
return true
}
func mapEqual(a, b map[string]struct{}) bool {
if len(a) != len(b) {
return false
}
for k := range a {
if _, ok := b[k]; !ok {
return false
}
}
return true
}
|
