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|
package config
import (
"errors"
"fmt"
"os"
"path/filepath"
"regexp"
"strings"
"testing"
)
func noSystemConfig(t *testing.T) {
t.Helper()
old := systemConfigPath
systemConfigPath = filepath.Join(t.TempDir(), "absent.conf")
t.Cleanup(func() { systemConfigPath = old })
}
func setConfKey(t *testing.T, key, value string) string {
t.Helper()
path := filepath.Join(t.TempDir(), "openstore.conf")
buff, err := os.ReadFile("testdata/full.conf")
if err != nil {
t.Fatalf("read full.conf: %v", err)
}
expr := fmt.Sprintf("(%s)\\s*=.*", key)
repl := fmt.Sprintf("${1} = %s", value)
re := regexp.MustCompile(expr)
result := re.ReplaceAll(buff, []byte(repl))
if err = os.WriteFile(path, result, 0o644); err != nil {
t.Fatalf("write conf: %v", err)
}
return path
}
func TestRejectLoadingMissingFile(t *testing.T) {
noSystemConfig(t)
_, err := Load(filepath.Join(t.TempDir(), "nonexistent.conf"))
if err == nil {
t.Fatalf("no error when loading missing config: %v", err)
}
}
func TestLoadFullConfig(t *testing.T) {
noSystemConfig(t)
cfg, err := Load("testdata/full.conf")
if err != nil {
t.Fatalf("load: %v", err)
}
tests := []struct {
field string
got string
want string
}{
{"addr", cfg.Serve.Addr, "127.0.0.1:8080"},
{"name", cfg.Instance.Name, "Full Store"},
{"contact-email", cfg.Instance.ContactEmail, "full@store.com"},
{"base-url", cfg.Instance.BaseURL, "https://full.store.com"},
{"database-name", cfg.Database.Name, "openstore"},
{"database-user", cfg.Database.User, "openstore"},
{"database-password", cfg.Database.Password, "12345678"},
}
for _, tt := range tests {
if tt.got != tt.want {
t.Errorf("%s: got %q, want %q", tt.field, tt.got, tt.want)
}
}
}
func TestLoadUserConfigWinsOverSystem(t *testing.T) {
old := systemConfigPath
systemConfigPath = "testdata/system.conf"
t.Cleanup(func() { systemConfigPath = old })
cfg, err := Load("testdata/partial.conf")
if err != nil {
t.Fatalf("load: %v", err)
}
if cfg.Instance.Name != "Only Name Set" {
t.Errorf("user config should win, got name %q", cfg.Instance.Name)
}
if cfg.Instance.ContactEmail != "system@store.com" {
t.Errorf("key absent from user config should fall back to system, got %q",
cfg.Instance.ContactEmail)
}
if cfg.Serve.Addr != "127.0.0.1:9999" {
t.Errorf("section absent from user config should fall back to system, got %q",
cfg.Serve.Addr)
}
}
func TestLoadMalformedFile(t *testing.T) {
noSystemConfig(t)
if _, err := Load("testdata/malformed.conf"); err == nil {
t.Error("malformed config file loaded without error")
}
}
func TestLoadRejectsBadBaseURL(t *testing.T) {
noSystemConfig(t)
tests := map[string]string{
"not a url": "garbage",
"no scheme": "example.com/path",
"scheme only": "https://",
"path only": "/listings",
"bad url syntax": "://x",
}
for name, badURL := range tests {
t.Run(name, func(t *testing.T) {
path := setConfKey(t, "base-url", badURL)
cfg, err := Load(path)
if cfg != nil {
t.Error("config with bad base-url created")
}
if !errors.Is(err, ErrBadConfigUrl) {
t.Fatalf("bad base-url %q accepted", badURL)
}
if !strings.Contains(err.Error(), "base-url") {
t.Errorf("error should mention base-url, got: %v", err)
}
})
}
}
func TestLoadAcceptsGoodBaseURL(t *testing.T) {
noSystemConfig(t)
urls := []string{
"https://example.com",
"http://example.com",
"https://example.com/subpath",
"https://sub.example.com:8443",
}
for _, u := range urls {
t.Run(u, func(t *testing.T) {
path := setConfKey(t, "base-url", u)
cfg, err := Load(path)
if err != nil {
t.Fatalf("good url %q rejected: %v", u, err)
}
if cfg.Instance.BaseURL != u {
t.Errorf("base-url: got %q, want %q", cfg.Instance.BaseURL, u)
}
})
}
}
func TetsRejectsConfigWithoutDatabase(t *testing.T) {
noSystemConfig(t)
_, err := Load("testdata/no-db.conf")
if err == nil {
t.Errorf("Load returned no error when database config is missing")
}
if !errors.Is(err, ErrBadConfig) {
t.Errorf("Got error %v, wanted %v", err, ErrBadConfig)
}
}
func TestDefaultPath(t *testing.T) {
t.Setenv("XDG_CONFIG_HOME", "/tmp/xdg-test")
path, err := DefaultPath()
if err != nil {
t.Fatalf("DefaultPath: %v", err)
}
want := filepath.Join("/tmp/xdg-test", "openstore", "openstore.conf")
if path != want {
t.Errorf("got %q, want %q", path, want)
}
}
func TestDefaultPathWithoutConfigDir(t *testing.T) {
t.Setenv("XDG_CONFIG_HOME", "")
t.Setenv("HOME", "")
if _, err := DefaultPath(); err == nil {
t.Error("DefaultPath returned no error with no config dir available")
}
}
|
