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test_tools.go
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test_tools.go
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package hoverfly
import (
"fmt"
"math/rand"
"net/http"
"net/http/httptest"
"os"
"time"
"net/url"
"github.com/SpectoLabs/hoverfly/core/cache"
"github.com/boltdb/bolt"
log "github.com/sirupsen/logrus"
)
const letterBytes = "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ"
const (
letterIdxBits = 6 // 6 bits to represent a letter index
letterIdxMask = 1<<letterIdxBits - 1 // All 1-bits, as many as letterIdxBits
letterIdxMax = 63 / letterIdxBits // # of letter indices fitting in 63 bits
)
const testingDatabaseName = "test.db" // very original
// TestDB - holds connection to database during tests
var testDB *bolt.DB
func testTools(code int, body string) (*httptest.Server, *Hoverfly) {
server := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
w.WriteHeader(code)
w.Header().Set("Content-Type", "application/json")
fmt.Fprintln(w, body)
}))
cfg := InitSettings()
// disabling auth for testing
cfg.AuthEnabled = false
dbClient := GetNewHoverfly(cfg, cache.NewDefaultLRUCache(), nil)
tr := &http.Transport{
Proxy: func(req *http.Request) (*url.URL, error) {
return url.Parse(server.URL)
},
}
dbClient.HTTP = &http.Client{Transport: tr}
return server, dbClient
}
var src = rand.NewSource(time.Now().UnixNano())
// getRandomName - provides random name for buckets. Each test case gets it's own bucket
func getRandomName(n int) []byte {
b := make([]byte, n)
for i, cache, remain := n-1, src.Int63(), letterIdxMax; i >= 0; {
if remain == 0 {
cache, remain = src.Int63(), letterIdxMax
}
if idx := int(cache & letterIdxMask); idx < len(letterBytes) {
b[i] = letterBytes[idx]
i--
}
cache >>= letterIdxBits
remain--
}
return b
}
func setup() {
// we don't really want to see what's happening
log.SetLevel(log.FatalLevel)
db := cache.GetDB(testingDatabaseName)
testDB = db
}
// teardown does some cleanup after tests
func teardown() {
testDB.Close()
os.Remove(testingDatabaseName)
}