add bogus user password test

driver_test.go

@@ -13,6 +13,7 @@ import (
 	"net/url"
 	"os"
 	"os/signal"
+	"strconv"
 	"strings"
 	"syscall"
 	"testing"
@@ -469,6 +470,47 @@ func runningOnGCP() bool {
 	return os.Getenv("CLOUD_PROVIDER") == "GCP"
 }
 
+func TestBogusUserPasswordParameters(t *testing.T) {
+	// Different error message is returned depending on whether the user is known or not.
+	var invalidDNS string
+	if runningOnGithubAction() {
+		invalidDNS = fmt.Sprintf("%s:%s@%s", "bogus", pass, host)
+		invalidUserPassErrorTests(invalidDNS, 390422, t)
+	}
+	invalidDNS = fmt.Sprintf("%s:%s@%s", username, "INVALID_PASSWORD", host)
+	invalidUserPassErrorTests(invalidDNS, 390100, t)
+}
+
+func invalidUserPassErrorTests(invalidDNS string, expectedErr int, t *testing.T) {
+	parameters := url.Values{}
+	if protocol != "" {
+		parameters.Add("protocol", protocol)
+	}
+	if account != "" {
+		parameters.Add("account", account)
+	}
+	invalidDNS += "?" + parameters.Encode()
+	db, err := sql.Open("snowflake", invalidDNS)
+	if err != nil {
+		t.Fatalf("error creating a connection object: %s", err.Error())
+	}
+	// actual connection won't happen until run a query
+	defer db.Close()
+	if _, err = db.Exec("SELECT 1"); err == nil {
+		t.Fatal("should cause an error.")
+	}
+	if driverErr, ok := err.(*SnowflakeError); ok {
+		if driverErr.Number != expectedErr {
+			t.Fatalf("wrong error code: %v", driverErr)
+		}
+		if !strings.Contains(driverErr.Error(), strconv.Itoa(expectedErr)) {
+			t.Fatalf("error message should included the error code. got: %v", driverErr.Error())
+		}
+	} else {
+		t.Fatalf("wrong error code: %v", err)
+	}
+}
+
 func TestBogusHostNameParameters(t *testing.T) {
 	invalidDNS := fmt.Sprintf("%s:%s@%s", username, pass, "INVALID_HOST:1234")
 	invalidHostErrorTests(invalidDNS, []string{"no such host", "verify account name is correct", "HTTP Status: 403", "Temporary failure in name resolution", "server misbehaving"}, t)