package releasekit

import "testing"

func TestCandidateRequestPreservesSharedFileSelection(t *testing.T) {
	for _, tt := range []struct {
		name       string
		input      []string
		wantNil    bool
		wantValues []string
	}{
		{name: "omitted defaults", input: nil, wantNil: true},
		{name: "explicit empty", input: []string{}, wantValues: []string{}},
		{name: "explicit paths", input: []string{"LICENSE", "docs/shared.md"}, wantValues: []string{"LICENSE", "docs/shared.md"}},
	} {
		t.Run(tt.name, func(t *testing.T) {
			request := ReleaseRequest{Validation: ValidationSpec{SharedFiles: tt.input}}
			mapped := candidateRequest(request).Validation.SharedFiles
			if (mapped == nil) != tt.wantNil {
				t.Fatalf("mapped shared files nil=%t, want %t", mapped == nil, tt.wantNil)
			}
			if len(mapped) != len(tt.wantValues) {
				t.Fatalf("mapped shared files = %#v, want %#v", mapped, tt.wantValues)
			}
			for index, value := range tt.wantValues {
				if mapped[index] != value {
					t.Fatalf("mapped shared files = %#v, want %#v", mapped, tt.wantValues)
				}
			}
			if len(tt.input) != 0 {
				request.Validation.SharedFiles[0] = "changed"
				if mapped[0] != tt.wantValues[0] {
					t.Fatal("mapped shared-file selection aliases the caller's slice")
				}
			}
		})
	}
}