package debtik

import "testing"

func TestVersionOrder(t *testing.T) {
	for _, tc := range []struct {
		a, b string
		want bool
	}{{"1.10.0", "1.9.0", true}, {"2.0.0", "1.99.99", true}, {"1.1.0", "1.1.0", false}, {"1.0.9", "1.1.0", false}} {
		got, err := Newer(tc.a, tc.b)
		if err != nil || got != tc.want {
			t.Fatalf("%s > %s: %v %v", tc.a, tc.b, got, err)
		}
	}
	for _, v := range []string{"1.2", "01.2.3", "v1.2.3", "1.2.3-rc1", "1.2.3+build", "-1.2.3", "99999999999999999999999.0.0"} {
		if _, err := ParseVersion(v); err == nil {
			t.Fatalf("accepted %s", v)
		}
	}
	if _, err := ParseVersion(Version()); err != nil {
		t.Fatal(err)
	}
}
func TestLatestReleaseTags(t *testing.T) {
	input := "a refs/tags/v1.9.0\nb refs/tags/v1.10.0\nc refs/tags/v1.10.0^{}\nd refs/tags/v9.0.0-rc1\ne refs/heads/v99.0.0\n"
	version, commit, err := LatestTag(input)
	if err != nil || version != "1.10.0" || commit != "c" {
		t.Fatal(version, commit, err)
	}
	if _, _, err := LatestTag("a refs/tags/v1.0.0-rc1"); err == nil {
		t.Fatal("accepted prerelease only")
	}
}