feat(config): load and validate env-var config

2026-05-22 11:24:29 +02:00
parent 1ca9f5296a
commit 2b7f7d863a
4 changed files with 126 additions and 0 deletions
@@ -0,0 +1,59 @@
+package config_test
+
+import (
+	"testing"
+	"time"
+
+	"github.com/shcizo/package-updater/internal/config"
+	"github.com/stretchr/testify/require"
+)
+
+func TestLoad_RequiresAPIKey(t *testing.T) {
+	t.Setenv("UPDATER_API_KEY", "")
+	_, err := config.Load()
+	require.Error(t, err)
+	require.Contains(t, err.Error(), "UPDATER_API_KEY")
+}
+
+func TestLoad_AppliesDefaults(t *testing.T) {
+	t.Setenv("UPDATER_API_KEY", "secret")
+	t.Setenv("STACKS_ROOT", "")
+	t.Setenv("PORT", "")
+	t.Setenv("LOG_LEVEL", "")
+	t.Setenv("UPDATE_TIMEOUT", "")
+	t.Setenv("OPT_IN_LABEL", "")
+
+	cfg, err := config.Load()
+	require.NoError(t, err)
+	require.Equal(t, "secret", cfg.APIKey)
+	require.Equal(t, "/home/shcizo/self-hosted", cfg.StacksRoot)
+	require.Equal(t, "8080", cfg.Port)
+	require.Equal(t, "info", cfg.LogLevel)
+	require.Equal(t, 5*time.Minute, cfg.UpdateTimeout)
+	require.Equal(t, "se.shcizo.auto-update", cfg.OptInLabel)
+}
+
+func TestLoad_OverridesViaEnv(t *testing.T) {
+	t.Setenv("UPDATER_API_KEY", "secret")
+	t.Setenv("STACKS_ROOT", "/srv/stacks")
+	t.Setenv("PORT", "9090")
+	t.Setenv("LOG_LEVEL", "debug")
+	t.Setenv("UPDATE_TIMEOUT", "30s")
+	t.Setenv("OPT_IN_LABEL", "io.example.update")
+
+	cfg, err := config.Load()
+	require.NoError(t, err)
+	require.Equal(t, "/srv/stacks", cfg.StacksRoot)
+	require.Equal(t, "9090", cfg.Port)
+	require.Equal(t, "debug", cfg.LogLevel)
+	require.Equal(t, 30*time.Second, cfg.UpdateTimeout)
+	require.Equal(t, "io.example.update", cfg.OptInLabel)
+}
+
+func TestLoad_InvalidTimeoutErrors(t *testing.T) {
+	t.Setenv("UPDATER_API_KEY", "secret")
+	t.Setenv("UPDATE_TIMEOUT", "not-a-duration")
+	_, err := config.Load()
+	require.Error(t, err)
+	require.Contains(t, err.Error(), "UPDATE_TIMEOUT")
+}