json-adapter/main_test.go

81 lines
1.7 KiB
Go

package main
import (
"fmt"
"net/http"
"net/http/httptest"
"path"
"strconv"
"strings"
"testing"
"time"
)
func TestRun(t *testing.T) {
targetCalls := 0
target := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
targetCalls += 1
}))
defer target.Close()
p := func() int {
s := httptest.NewServer(http.HandlerFunc(http.NotFound))
s.Close()
u := s.URL
ps := strings.Split(u, ":")[2]
n, err := strconv.Atoi(ps)
if err != nil {
t.Fatal(err)
}
return n
}()
tmpl := `{{ . }}`
x := fmt.Sprintf(`http://localhost:%d`, p)
y := target.URL
db := path.Join(t.TempDir(), "db")
do := func(method, body string) bool {
req, _ := http.NewRequest(method, x, strings.NewReader(body))
resp, err := httpc.Do(req)
if err != nil {
return false
}
resp.Body.Close()
return true
}
go func() {
if err := run(p, tmpl, y, db); err != nil {
t.Fatal(err)
}
}()
for !do(http.MethodGet, "") {
time.Sleep(time.Millisecond * 100)
}
if targetCalls != 1 {
t.Error("empty req body no called target")
}
if !do(http.MethodGet, "") {
t.Error("couldnt get a second time with no body")
} else if targetCalls != 1 {
t.Error("no dedupe no body")
}
if !do(http.MethodPost, "1") {
t.Error("couldnt get a third time with new body")
} else if targetCalls != 2 {
t.Error("deduped new body")
} else if !do(http.MethodPost, "1") {
t.Error("couldnt get a fourth time with new body again")
} else if targetCalls != 2 {
t.Error("no deduped new body again")
} else if !do(http.MethodPost, "2") {
t.Error("couldnt get a fifth time with new new body")
} else if targetCalls != 3 {
t.Error("deduped new new body")
}
}