69 lines
2.0 KiB
Go
69 lines
2.0 KiB
Go
package config
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import (
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"reflect"
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"testing"
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)
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// Kinds that LoadFromViper knows how to read.
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var viperKinds = map[reflect.Kind]bool{
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reflect.String: true, reflect.Int: true, reflect.Bool: true,
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}
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// Every key round-trips through TypeOf/ValueOf/SetValue and has a type that
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// LoadFromViper can read.
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func TestKeysRoundTrip(t *testing.T) {
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var conf JobSearchConfig
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if err := applyDefaults(&conf); err != nil {
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t.Fatalf("defaults: %v", err)
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}
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for key, want := range conf.Flatten() {
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kind, err := conf.TypeOf(key)
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if err != nil {
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t.Errorf("TypeOf(%q): %v", key, err)
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} else if !viperKinds[kind] {
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t.Errorf("TypeOf(%q) = %v, which LoadFromViper does not handle", key, kind)
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}
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got, err := conf.ValueOf(key)
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if err != nil || !reflect.DeepEqual(got, want) {
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t.Errorf("ValueOf(%q) = %#v, %v; want %#v", key, got, err, want)
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}
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if err := conf.SetValue(key, got); err != nil {
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t.Errorf("SetValue(%q, %#v): %v", key, got, err)
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}
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}
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}
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// Every section has the full method set, and its Flatten keys (which use the
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// section's JSCK* constant) line up with its cfg tag in the parent.
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func TestSections(t *testing.T) {
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var conf JobSearchConfig
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all := conf.Flatten()
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checkSections(t, all, "", reflect.ValueOf(&conf).Elem())
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}
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func checkSections(t *testing.T, all map[string]any, prefix string, section reflect.Value) {
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for _, f := range fieldsOf(section.Type()) {
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if !f.section {
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continue
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}
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fv := section.FieldByIndex(f.index)
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name := fv.Type().Name()
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for _, m := range []string{"Map", "Flatten", "TypeOf", "ValueOf", "SetValue"} {
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if !fv.Addr().MethodByName(m).IsValid() {
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t.Errorf("%s is missing method %s", name, m)
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}
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}
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if flatten := fv.MethodByName("Flatten"); flatten.IsValid() {
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keys := flatten.Call(nil)[0].Interface().(map[string]any)
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for k := range keys {
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if _, ok := all[joinKey(prefix, k)]; !ok {
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t.Errorf("%s.Flatten() key %q does not match its cfg tag %q",
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name, k, joinKey(prefix, f.key))
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}
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}
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}
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checkSections(t, all, joinKey(prefix, f.key), fv)
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}
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}
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