Fix save function to actually update database record. Add a test.

pgstore.go

@@ -180,7 +180,7 @@ func (db *PGStore) save(session *sessions.Session) error {
 	if session.IsNew {
 		err = db.DbMap.Insert(&s)
 	} else {
-		_, err = db.DbMap.Update(&s)
+		_, err = db.DbMap.Exec("update http_sessions set data=$1, modifiedon=$2, expireson=$3 where key=$4", s.Data, s.ModifiedOn, s.ExpiresOn, s.Key)
 	}
 
 	return err

pgstore_test.go

@@ -0,0 +1,101 @@
+package pgstore
+
+import (
+	"github.com/gorilla/securecookie"
+	"github.com/gorilla/sessions"
+	"net/http"
+	"os"
+	"testing"
+)
+type headerOnlyResponseWriter http.Header
+
+func (ho headerOnlyResponseWriter) Header() http.Header {
+	return http.Header(ho)
+}
+
+func (ho headerOnlyResponseWriter) Write([]byte) (int, error) {
+	panic("NOIMPL")
+}
+
+func (ho headerOnlyResponseWriter) WriteHeader(int) {
+	panic("NOIMPL")
+}
+
+var secret = "EyaC2BPcJtNqU3tjEHy+c+Wmqc1yihYIbUWEl/jk0Ga73kWBclmuSFd9HuJKwJw/Wdsh1XnjY2Bw1HBVph6WOw=="
+
+func TestPGStore(t *testing.T) {
+	ss := NewPGStore(os.Getenv("PGSTORE_TEST_CONN"), []byte(secret))
+
+	defer ss.Close()
+
+	// ROUND 1 - Check that the cookie is being saved
+	req, err := http.NewRequest("GET", "http://www.example.com", nil)
+	if err != nil {
+		t.Fatal("failed to create request", err)
+	}
+
+	session, err := ss.Get(req, "mysess")
+	if err != nil {
+		t.Fatal("failed to get session", err.Error())
+	}
+
+	session.Values["counter"] = 1
+
+	m := make(http.Header)
+	if err = ss.Save(req, headerOnlyResponseWriter(m), session); err != nil {
+		t.Fatal("Failed to save session:", err.Error())
+	}
+
+	if m["Set-Cookie"][0][0:6] != "mysess" {
+		t.Fatal("Cookie wasn't set!")
+	}
+
+	// ROUND 2 - check that the cookie can be retrieved
+	req, err = http.NewRequest("GET", "http://www.example.com", nil)
+	if err != nil {
+		t.Fatal("failed to create round 2 request", err)
+	}
+
+	encoded, err := securecookie.EncodeMulti(session.Name(), session.ID, ss.Codecs...)
+	if err != nil {
+		t.Fatal("Failed to make cookie value", err)
+	}
+
+	req.AddCookie(sessions.NewCookie(session.Name(), encoded, session.Options))
+
+
+	session, err = ss.Get(req, "mysess")
+	if err != nil {
+		t.Fatal("failed to get round 2 session", err.Error())
+	}
+
+	if session.Values["counter"] != 1 {
+		t.Fatal("Retrieved session had wrong value:", session.Values["counter"])
+	}
+
+	session.Values["counter"] = 9  // set new value for round 3
+	if err = ss.Save(req, headerOnlyResponseWriter(m), session); err != nil {
+		t.Fatal("Failed to save session:", err.Error())
+	}
+
+
+	// ROUND 2 - check that the cookie has been updated
+	req, err = http.NewRequest("GET", "http://www.example.com", nil)
+	if err != nil {
+		t.Fatal("failed to create round 3 request", err)
+	}
+	req.AddCookie(sessions.NewCookie(session.Name(), encoded, session.Options))
+
+	session, err = ss.Get(req, "mysess")
+	if err != nil {
+		t.Fatal("failed to get session round 3", err.Error())
+	}
+
+	if session.Values["counter"] != 9 {
+		t.Fatal("Retrieved session had wrong value in round 3:", session.Values["counter"])
+	}
+
+}
+
+
+