kereru-forms/backend/internal/config/config_test.go

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package config
import (
"os"
"path/filepath"
"testing"
)
func TestDefaults(t *testing.T) {
cfg, err := Load(nil)
if err != nil {
t.Fatalf("Load: %v", err)
}
if cfg.Port != "8080" {
t.Fatalf("Port = %q, want 8080", cfg.Port)
}
if cfg.DBDriver != "sqlite" {
t.Fatalf("DBDriver = %q, want sqlite", cfg.DBDriver)
}
if got := cfg.Addresses(); len(got) != 1 || got[0] != "0.0.0.0:8080" {
t.Fatalf("Addresses = %v, want [0.0.0.0:8080]", got)
}
}
func TestPrecedence(t *testing.T) {
dir := t.TempDir()
path := filepath.Join(dir, "config.yaml")
content := `
logLevel: debug
port: "9090"
listenAddr: "127.0.0.1"
dbDsn: "file:from-file.db"
corsOrigins:
- "https://forms.example.com"
`
if err := os.WriteFile(path, []byte(content), 0o600); err != nil {
t.Fatal(err)
}
t.Setenv("KERERU_LOG_LEVEL", "warn")
t.Setenv("KERERU_PORT", "9091")
cfg, err := Load([]string{"--conf", path, "--port", "9092"})
if err != nil {
t.Fatalf("Load: %v", err)
}
if cfg.LogLevel != "warn" {
t.Fatalf("LogLevel = %q, want env override warn", cfg.LogLevel)
}
if cfg.Port != "9092" {
t.Fatalf("Port = %q, want flag override 9092", cfg.Port)
}
if cfg.HTTPAddr != "127.0.0.1" {
t.Fatalf("HTTPAddr = %q, want file value", cfg.HTTPAddr)
}
if cfg.DBDSN != "file:from-file.db" {
t.Fatalf("DBDSN = %q, want file value", cfg.DBDSN)
}
if len(cfg.CORSOrigins) != 1 || cfg.CORSOrigins[0] != "https://forms.example.com" {
t.Fatalf("CORSOrigins = %v", cfg.CORSOrigins)
}
}
func TestJSONConfigAndIPv6(t *testing.T) {
dir := t.TempDir()
path := filepath.Join(dir, "config.json")
content := `{"listenAddr":"","listenAddr6":"::1","port":"8081"}`
if err := os.WriteFile(path, []byte(content), 0o600); err != nil {
t.Fatal(err)
}
cfg, err := Load([]string{"--conf=" + path})
if err != nil {
t.Fatalf("Load: %v", err)
}
addrs := cfg.Addresses()
if len(addrs) != 1 || addrs[0] != "[::1]:8081" {
t.Fatalf("Addresses = %v, want [[::1]:8081]", addrs)
}
}
func TestValidateRequiresListener(t *testing.T) {
cfg := Default()
cfg.HTTPAddr = ""
cfg.HTTPAddr6 = ""
if err := cfg.Validate(); err == nil {
t.Fatal("expected validation error when no listener is configured")
}
}
func TestInvalidPort(t *testing.T) {
if _, err := Load([]string{"--port", "not-a-port"}); err == nil {
t.Fatal("expected validation error for invalid port")
}
}