Files
ConfigKit/callback_ownership_test.go

53 lines
1.8 KiB
Go

package configkit
import "testing"
func TestCallbackAssignmentsAreDetachedAcrossLoads(t *testing.T) {
type object struct{ Value string }
type cfg struct {
Map map[string][]*object
Pointer *object
Secret Secret
}
for _, validatorAssignment := range []bool{false, true} {
name := "resolver"
if validatorAssignment {
name = "validator"
}
t.Run(name, func(t *testing.T) {
external := &object{Value: "original"}
shared := map[string][]*object{"key": {external}}
definition := Definition[cfg]{Resolve: func(c *cfg, r *Resolution) error {
Normalize(r, Keys("map"), &c.Map, shared, "populate")
c.Pointer = external
r.Record(Keys("pointer"), ChangeNormalization, "populate")
c.Secret = SecretEnv("CONFIGKIT_CALLBACK_SECRET")
r.Record(Keys("secret"), ChangeNormalization, "reference")
return nil
}}
if validatorAssignment {
definition.Validate = func(c *cfg, v *Validation) { c.Map = shared; c.Pointer = external }
}
calls := 0
lookup := func(string) (string, bool) { calls++; return "credential", true }
first, err := loadWithSecretLookup(NoSource(), lookup, Options[cfg]{Definition: definition})
if err != nil {
t.Fatal(err)
}
second, err := loadWithSecretLookup(NoSource(), lookup, Options[cfg]{Definition: definition})
if err != nil {
t.Fatal(err)
}
first.Config.Map["key"][0].Value = "changed"
first.Config.Pointer.Value = "changed pointer"
external.Value = "external change"
if second.Config.Map["key"][0].Value != "original" || second.Config.Pointer.Value != "original" {
t.Fatal("published configuration shares callback state")
}
if second.Config.Secret.Value() != "credential" || !second.Config.Secret.IsResolved() || calls != 2 {
t.Fatal("publication changed secret state or repeated environment lookup")
}
})
}
}