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// Copyright (c) 2019-2022, Sylabs Inc. All rights reserved.
// This software is licensed under a 3-clause BSD license. Please consult the
// LICENSE.md file distributed with the sources of this project regarding your
// rights to use or distribute this software.
package singularityconf
import (
"fmt"
"io"
"os"
"reflect"
"testing"
)
func TestGenerate(t *testing.T) {
discard := io.Discard
if err := Generate(discard, "/non-existent/template", nil); err == nil {
t.Fatalf("unexpected success with non-existent template")
}
if err := Generate(discard, "", nil); err == nil {
t.Fatalf("unexpected success with nil config")
}
}
func TestParser(t *testing.T) {
f, err := os.CreateTemp("", "singularity.conf-")
if err != nil {
t.Fatalf("failed to create temporary configuration file: %s", err)
}
configFile := f.Name()
defer os.Remove(configFile)
defaultConfig, err := GetConfig(nil)
if err != nil {
t.Fatalf("failed to get the default configuration: %s", err)
}
if err := Generate(f, "", defaultConfig); err != nil {
t.Fatalf("failed to generate default configuration: %s", err)
}
f.Close()
if _, err = Parse("test_samples/no.conf"); err == nil {
t.Errorf("unexpected success while opening non existent configuration file")
}
config, err := Parse(configFile)
if err != nil {
t.Errorf("unexpected error while parsing %s: %s", configFile, err)
}
if !reflect.DeepEqual(config, defaultConfig) {
t.Errorf("config != defaultConfig")
}
config, err = Parse("")
if err != nil {
t.Errorf("unexpected error while parsing %s: %s", configFile, err)
}
if !reflect.DeepEqual(config, defaultConfig) {
t.Errorf("parsed configuration doesn't match the default configuration")
}
}
type faultyReader struct {
io.Reader
}
func (f *faultyReader) Read([]byte) (int, error) {
return 0, fmt.Errorf("faulty read")
}
func TestGetDirectives(t *testing.T) {
emptyDirectives := make(Directives)
faulty := new(faultyReader)
if _, err := GetDirectives(faulty); err == nil {
t.Fatalf("unexpected success while getting directives from faulty reader")
}
directives, err := GetDirectives(nil)
if err != nil {
t.Fatalf("unexpected error while getting directives from nil reader: %s", err)
}
if !reflect.DeepEqual(directives, emptyDirectives) {
t.Errorf("parsed configuration doesn't match the default configuration")
}
}
func TestGetConfig(t *testing.T) {
directives := make(Directives)
directives["allow setuid"] = []string{"bad"}
if _, err := GetConfig(directives); err == nil {
t.Errorf("unexpected success while getting config with bad value")
}
directives["allow setuid"] = []string{"no"}
directives["mount dev"] = []string{"bad"}
if _, err := GetConfig(directives); err == nil {
t.Errorf("unexpected success while getting config with bad value")
}
directives["max loop devices"] = []string{"-42"}
directives["mount dev"] = []string{"minimal"}
if _, err := GetConfig(directives); err == nil {
t.Errorf("unexpected success while getting config with bad value")
}
directives["max loop devices"] = []string{"42"}
directives["bind path"] = []string{"/etc/hosts"}
directives["download concurrency"] = []string{"42"}
directives["download part size"] = []string{"1234"}
directives["download buffer size"] = []string{"4567"}
config, err := GetConfig(directives)
if err != nil {
t.Errorf("unexpected error while getting config: %s", err)
}
if config.AllowSetuid != false {
t.Errorf("bad value for AllowSetuid: %v", config.AllowSetuid)
}
if config.MaxLoopDevices != 42 {
t.Errorf("bad value for MaxLoopDevices: %v", config.MaxLoopDevices)
}
if config.MountDev != "minimal" {
t.Errorf("bad value for MountDev: %v", config.MountDev)
}
if !reflect.DeepEqual(config.BindPath, directives["bind path"]) {
t.Errorf("bad value for BindPath: %v", config.BindPath)
}
if config.DownloadConcurrency != 42 {
t.Errorf("bad value for DownloadConcurrency: %v", config.DownloadConcurrency)
}
if config.DownloadPartSize != 1234 {
t.Errorf("bad value for DownloadPartSize: %v", config.DownloadPartSize)
}
if config.DownloadBufferSize != 4567 {
t.Errorf("bad value for DownloadBufferSize: %v", config.DownloadPartSize)
}
}
func TestHasDirective(t *testing.T) {
if HasDirective("") {
t.Errorf("empty directive should return false")
}
if !HasDirective("bind path") {
t.Errorf("'bind path' should be present")
}
if HasDirective("fake directive") {
t.Errorf("'fake directive' should not be present")
}
}
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