package delivery

import (
	"strings"
	"testing"
)

// A candidate's module carries the git objects of its named paths at the preview (novox/hq ADR 0499 clause 2), so the
// builder's fetch request for a candidate names them; an older candidate decodes without them, and a path that is not
// clean and relative, or names no object, is refused.
func TestACandidatesModuleCarriesItsNamedPaths(t *testing.T) {
	c := sampleCandidate()
	paths := map[string]string{"src": strings.Repeat("a", 40), "package.json": strings.Repeat("b", 40)}
	c.Pulls[0].Fps = map[string]CandidateModule{"mesh-mail": {FP2: SourcePrefix2 + strings.Repeat("1", 64),
		Manifest: strings.Repeat("2", 64), Paths: paths}}
	c.FPSet = FingerprintSet(c.Pulls)
	data, err := EncodeCandidate(c)
	if err != nil {
		t.Fatal(err)
	}
	back, err := DecodeCandidate(data)
	if err != nil || back.Pulls[0].Fps["mesh-mail"].Paths["src"] != paths["src"] {
		t.Fatalf("decoded %+v, %v", back.Pulls[0].Fps, err)
	}
	old := sampleCandidate()
	old.Pulls[0].Fps = map[string]CandidateModule{"mesh-mail": {FP2: SourcePrefix2 + strings.Repeat("1", 64)}}
	old.FPSet = FingerprintSet(old.Pulls)
	if data, err := EncodeCandidate(old); err != nil {
		t.Fatal(err)
	} else if b, err := DecodeCandidate(data); err != nil || b.Pulls[0].Fps["mesh-mail"].Paths != nil {
		t.Fatalf("an older candidate: %+v, %v", b, err)
	}
	for _, bad := range []map[string]string{{"../x": "a"}, {"/src": "a"}, {"": "a"}, {"src": ""}} {
		c.Pulls[0].Fps = map[string]CandidateModule{"mesh-mail": {FP2: SourcePrefix2 + strings.Repeat("1", 64), Paths: bad}}
		c.FPSet = FingerprintSet(c.Pulls)
		if _, err := EncodeCandidate(c); err == nil {
			t.Errorf("%v was accepted", bad)
		}
	}
}