/
service_test.go
81 lines (74 loc) · 1.83 KB
/
service_test.go
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package main
import (
"testing"
"github.com/google/uuid"
)
func TestGetUrl(t *testing.T) {
cache := initCache(cacheHost, cachePort)
db := initDb(dbHost, dbPort, dbUser, dbPassword, dbName)
defer db.Close()
service := linkService{cache, db}
url, err := uuid.NewRandom()
if err != nil {
t.Fatal()
}
link, err := service.Create(url.String())
if err != nil {
t.Fatal()
}
if link.URL != url.String() || link.Slug == nil {
t.Fatal()
}
t.Run("CacheMiss", func(t *testing.T) {
// n.b. We cannot verify cache hit
url, err := service.Get(*link.Slug)
if err != nil {
msg := "unexpected error: %v"
t.Fatalf(msg, err)
}
if link.URL != url {
msg := "unexpected url: wanted %s, got %s instead"
t.Errorf(msg, url, link.URL)
}
})
t.Run("MalformedSlug", func(t *testing.T) {
url, err := service.Get("x!z")
if err != ErrDecodeFailure && err != nil {
t.Fatalf("unexpected error: %v", err)
}
if err == nil {
t.Errorf("unexpected url %s", url)
}
})
t.Run("MissingLink", func(t *testing.T) {
url, err := service.Get("xyz")
if err != ErrNotFound && err != nil {
t.Fatalf("unexpected error: %v", err)
}
if err == nil {
t.Errorf("unexpected url %s", url)
}
})
}
func TestCreateDuplicateLinks(t *testing.T) {
cache := initCache(cacheHost, cachePort)
db := initDb(dbHost, dbPort, dbUser, dbPassword, dbName)
defer db.Close()
service := linkService{cache, db}
url, err := uuid.NewRandom()
if err != nil {
t.Fatal()
}
firstLink, err := service.Create(url.String())
if err != nil {
t.Fatalf("unexpected exception: %v", err)
}
secondLink, err := service.Create(url.String())
if err != nil {
t.Fatalf("unexpected exception: %v", err)
}
if *firstLink.Slug == *secondLink.Slug {
msg := "duplicate links for url %s have the same slug %s"
t.Errorf(msg, *firstLink.Slug, *secondLink.Slug)
}
}