@@ -87,6 +87,64 @@ func TestOpen(t *testing.T) {
8787 }
8888}
8989
90+ func TestOpenNoCreate (t * testing.T ) {
91+ filename := t .Name () + ".sqlite"
92+ 93+ if err := os .Remove (filename ); err != nil && ! os .IsNotExist (err ) {
94+ t .Fatal (err )
95+ }
96+ defer os .Remove (filename )
97+ 98+ // https://golang.org/pkg/database/sql/#Open
99+ // "Open may just validate its arguments without creating a connection
100+ // to the database. To verify that the data source name is valid, call Ping."
101+ db , err := sql .Open ("sqlite3" , fmt .Sprintf ("file:%s?mode=rw" , filename ))
102+ if err == nil {
103+ defer db .Close ()
104+ 105+ err = db .Ping ()
106+ if err == nil {
107+ t .Fatal ("expected error from Open or Ping" )
108+ }
109+ }
110+ 111+ sqlErr , ok := err .(Error )
112+ if ! ok {
113+ t .Fatalf ("expected *Error, but got %T" , err )
114+ }
115+ 116+ if sqlErr .Code != ErrCantOpen {
117+ t .Fatalf ("expected SQLITE_CANTOPEN, but got %v" , sqlErr )
118+ }
119+ 120+ // make sure database file truly was not created
121+ if _ , err := os .Stat (filename ); ! os .IsNotExist (err ) {
122+ if err != nil {
123+ t .Fatal (err )
124+ }
125+ t .Fatal ("expected database file to not exist" )
126+ }
127+ 128+ // verify that it works if the mode is "rwc" instead
129+ db , err = sql .Open ("sqlite3" , fmt .Sprintf ("file:%s?mode=rwc" , filename ))
130+ if err != nil {
131+ t .Fatal (err )
132+ }
133+ defer db .Close ()
134+ 135+ if err := db .Ping (); err != nil {
136+ t .Fatal (err )
137+ }
138+ 139+ // make sure database file truly was created
140+ if _ , err := os .Stat (filename ); err != nil {
141+ if ! os .IsNotExist (err ) {
142+ t .Fatal (err )
143+ }
144+ t .Fatal ("expected database file to exist" )
145+ }
146+ }
147+ 90148func TestReadonly (t * testing.T ) {
91149 tempFilename := TempFilename (t )
92150 defer os .Remove (tempFilename )
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