149 lines
3.8 KiB
Go
149 lines
3.8 KiB
Go
package hstore
|
|
|
|
import (
|
|
"database/sql"
|
|
"os"
|
|
"testing"
|
|
|
|
_ "github.com/lib/pq"
|
|
)
|
|
|
|
type Fatalistic interface {
|
|
Fatal(args ...interface{})
|
|
}
|
|
|
|
func openTestConn(t Fatalistic) *sql.DB {
|
|
datname := os.Getenv("PGDATABASE")
|
|
sslmode := os.Getenv("PGSSLMODE")
|
|
|
|
if datname == "" {
|
|
os.Setenv("PGDATABASE", "pqgotest")
|
|
}
|
|
|
|
if sslmode == "" {
|
|
os.Setenv("PGSSLMODE", "disable")
|
|
}
|
|
|
|
conn, err := sql.Open("postgres", "")
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
|
|
return conn
|
|
}
|
|
|
|
func TestHstore(t *testing.T) {
|
|
db := openTestConn(t)
|
|
defer db.Close()
|
|
|
|
// quitely create hstore if it doesn't exist
|
|
_, err := db.Exec("CREATE EXTENSION IF NOT EXISTS hstore")
|
|
if err != nil {
|
|
t.Skipf("Skipping hstore tests - hstore extension create failed: %s", err.Error())
|
|
}
|
|
|
|
hs := Hstore{}
|
|
|
|
// test for null-valued hstores
|
|
err = db.QueryRow("SELECT NULL::hstore").Scan(&hs)
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
if hs.Map != nil {
|
|
t.Fatalf("expected null map")
|
|
}
|
|
|
|
err = db.QueryRow("SELECT $1::hstore", hs).Scan(&hs)
|
|
if err != nil {
|
|
t.Fatalf("re-query null map failed: %s", err.Error())
|
|
}
|
|
if hs.Map != nil {
|
|
t.Fatalf("expected null map")
|
|
}
|
|
|
|
// test for empty hstores
|
|
err = db.QueryRow("SELECT ''::hstore").Scan(&hs)
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
if hs.Map == nil {
|
|
t.Fatalf("expected empty map, got null map")
|
|
}
|
|
if len(hs.Map) != 0 {
|
|
t.Fatalf("expected empty map, got len(map)=%d", len(hs.Map))
|
|
}
|
|
|
|
err = db.QueryRow("SELECT $1::hstore", hs).Scan(&hs)
|
|
if err != nil {
|
|
t.Fatalf("re-query empty map failed: %s", err.Error())
|
|
}
|
|
if hs.Map == nil {
|
|
t.Fatalf("expected empty map, got null map")
|
|
}
|
|
if len(hs.Map) != 0 {
|
|
t.Fatalf("expected empty map, got len(map)=%d", len(hs.Map))
|
|
}
|
|
|
|
// a few example maps to test out
|
|
hsOnePair := Hstore{
|
|
Map: map[string]sql.NullString{
|
|
"key1": {String: "value1", Valid: true},
|
|
},
|
|
}
|
|
|
|
hsThreePairs := Hstore{
|
|
Map: map[string]sql.NullString{
|
|
"key1": {String: "value1", Valid: true},
|
|
"key2": {String: "value2", Valid: true},
|
|
"key3": {String: "value3", Valid: true},
|
|
},
|
|
}
|
|
|
|
hsSmorgasbord := Hstore{
|
|
Map: map[string]sql.NullString{
|
|
"nullstring": {String: "NULL", Valid: true},
|
|
"actuallynull": {String: "", Valid: false},
|
|
"NULL": {String: "NULL string key", Valid: true},
|
|
"withbracket": {String: "value>42", Valid: true},
|
|
"withequal": {String: "value=42", Valid: true},
|
|
`"withquotes1"`: {String: `this "should" be fine`, Valid: true},
|
|
`"withquotes"2"`: {String: `this "should\" also be fine`, Valid: true},
|
|
"embedded1": {String: "value1=>x1", Valid: true},
|
|
"embedded2": {String: `"value2"=>x2`, Valid: true},
|
|
"withnewlines": {String: "\n\nvalue\t=>2", Valid: true},
|
|
"<<all sorts of crazy>>": {String: `this, "should,\" also, => be fine`, Valid: true},
|
|
},
|
|
}
|
|
|
|
// test encoding in query params, then decoding during Scan
|
|
testBidirectional := func(h Hstore) {
|
|
err = db.QueryRow("SELECT $1::hstore", h).Scan(&hs)
|
|
if err != nil {
|
|
t.Fatalf("re-query %d-pair map failed: %s", len(h.Map), err.Error())
|
|
}
|
|
if hs.Map == nil {
|
|
t.Fatalf("expected %d-pair map, got null map", len(h.Map))
|
|
}
|
|
if len(hs.Map) != len(h.Map) {
|
|
t.Fatalf("expected %d-pair map, got len(map)=%d", len(h.Map), len(hs.Map))
|
|
}
|
|
|
|
for key, val := range hs.Map {
|
|
otherval, found := h.Map[key]
|
|
if !found {
|
|
t.Fatalf(" key '%v' not found in %d-pair map", key, len(h.Map))
|
|
}
|
|
if otherval.Valid != val.Valid {
|
|
t.Fatalf(" value %v <> %v in %d-pair map", otherval, val, len(h.Map))
|
|
}
|
|
if otherval.String != val.String {
|
|
t.Fatalf(" value '%v' <> '%v' in %d-pair map", otherval.String, val.String, len(h.Map))
|
|
}
|
|
}
|
|
}
|
|
|
|
testBidirectional(hsOnePair)
|
|
testBidirectional(hsThreePairs)
|
|
testBidirectional(hsSmorgasbord)
|
|
}
|