package selfcompose

import (
	"context"
	"strings"
	"testing"

	"git.novox.be/novox/mesh-delivery/contracts/go/seats/meshwants"
)

// The node that keeps a kept build is the want's kept-on alone, for an artifact its parts name (design 47 G 526, A-50).
func TestTheKeepingNodeIsTheWantsKeptOn(t *testing.T) {
	kd := strings.Repeat("6", 64)
	for _, row := range []struct {
		name, digest string
		want         *meshwants.WantsByWantNodeModuleValue
		node         string
		kept         bool
	}{
		{"kept, by its bare digest", kd, &meshwants.WantsByWantNodeModuleValue{Fp: "f1", KeptOn: "n3", Parts: map[string]string{"db:p": "sha256:" + kd}}, "n3", true},
		{"kept, by the declared digest", "sha256:" + kd, &meshwants.WantsByWantNodeModuleValue{Fp: "f1", KeptOn: "n3", Parts: map[string]string{"db:p": "sha256:" + kd}}, "n3", true},
		{"a digest the parts do not name", "sha256:" + strings.Repeat("7", 64), &meshwants.WantsByWantNodeModuleValue{Fp: "f1", KeptOn: "n3", Parts: map[string]string{"db:p": "sha256:" + kd}}, "", false},
		{"a want naming no keeping node", kd, &meshwants.WantsByWantNodeModuleValue{Fp: "f1", Parts: map[string]string{"db:p": "sha256:" + kd}}, "", false},
		{"no want of the module", kd, nil, "", false},
	} {
		c := &Composer{wants: map[string]meshwants.WantsByWantNodeModuleValue{}}
		if row.want != nil {
			c.wants["db"] = *row.want
		}
		node, fp, kept, err := c.KeptBuildOf(context.Background(), "db", row.digest)
		if err != nil || node != row.node || kept != row.kept || (kept && fp != "f1") {
			t.Errorf("%s: node %q fp %q kept %v err %v", row.name, node, fp, kept, err)
		}
	}
}