end
f2b6c07ff7
Re-run validator after PostLoad, return errors from RootDir, and add Config alias for C(). Hooks receive *T instead of *Manager. Co-authored-by: Cursor <cursoragent@cursor.com>
92 lines
2.2 KiB
Go
92 lines
2.2 KiB
Go
package config_test
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import (
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"os"
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"path/filepath"
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"testing"
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"gitea.auvem.com/go-toolkit/config"
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"github.com/stretchr/testify/assert"
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"github.com/stretchr/testify/require"
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)
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type testSchema struct {
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Name string `mapstructure:"name" validate:"required"`
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Port int `mapstructure:"port" validate:"required,min=1"`
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Extra string `mapstructure:"extra"`
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}
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func writeConfig(t *testing.T, dir, content string) {
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t.Helper()
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require.NoError(t, os.WriteFile(filepath.Join(dir, "app.yaml"), []byte(content), 0o644))
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}
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func TestLoadAndC(t *testing.T) {
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dir := t.TempDir()
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writeConfig(t, dir, "name: svc\nport: 8080\n")
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m := config.NewManager[testSchema]("app", "yaml", dir)
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require.NoError(t, m.Load())
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assert.Equal(t, "svc", m.C().Name)
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assert.Equal(t, 8080, m.Config().Port)
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}
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func TestPostLoadRevalidates(t *testing.T) {
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dir := t.TempDir()
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writeConfig(t, dir, "name: svc\nport: 8080\nextra: ok\n")
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m := config.NewManager[testSchema]("app", "yaml", dir).WithOpts(&config.ManagerOpts[testSchema]{
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PostLoad: func(cfg *testSchema) error {
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cfg.Name = ""
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return nil
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},
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})
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err := m.Load()
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assert.Error(t, err)
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assert.Contains(t, err.Error(), "post-load")
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}
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func TestPostLoadSuccess(t *testing.T) {
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dir := t.TempDir()
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writeConfig(t, dir, "name: svc\nport: 8080\n")
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m := config.NewManager[testSchema]("app", "yaml", dir).WithOpts(&config.ManagerOpts[testSchema]{
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PostLoad: func(cfg *testSchema) error {
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cfg.Extra = "derived"
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return nil
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},
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})
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require.NoError(t, m.Load())
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assert.Equal(t, "derived", m.C().Extra)
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}
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func TestRootDir(t *testing.T) {
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dir := t.TempDir()
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marker := filepath.Join(dir, ".marker")
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require.NoError(t, os.WriteFile(marker, []byte("x"), 0o644))
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orig, err := os.Getwd()
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require.NoError(t, err)
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t.Cleanup(func() { _ = os.Chdir(orig) })
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sub := filepath.Join(dir, "sub")
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require.NoError(t, os.Mkdir(sub, 0o755))
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require.NoError(t, os.Chdir(sub))
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got, err := config.RootDir(".marker", 1)
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require.NoError(t, err)
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absDir, err := filepath.EvalSymlinks(dir)
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require.NoError(t, err)
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gotEval, err := filepath.EvalSymlinks(got)
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require.NoError(t, err)
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assert.Equal(t, absDir, gotEval)
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}
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func TestMustRootDirPanics(t *testing.T) {
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assert.Panics(t, func() {
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config.MustRootDir("definitely-missing-marker-xyz", 0)
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})
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}
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