package release

import "testing"

func TestEmptyColumnIsToday(t *testing.T) {
	u, err := ParseUpdateSettings("")
	if err != nil || u.Updates != UpdatesAuto || u.Major != nil || u.Pin != "" || u.InstallRequest != 0 {
		t.Fatalf("ParseUpdateSettings(\"\") = %+v, %v; want auto and nothing else", u, err)
	}
	if !u.Default() {
		t.Fatal("the empty column is not the default")
	}
}

func TestColumnRoundTrips(t *testing.T) {
	two := 2
	u := UpdateSettings{Updates: UpdatesManual, Channel: "stable", Major: &two, Pin: "v9",
		InstallRequest: 4, InstallFastTrack: true, Control: []string{ControlUpdates, ControlPin}}
	got, err := ParseUpdateSettings(u.Column())
	if err != nil || got.Column() != u.Column() || *got.Major != 2 {
		t.Fatalf("round trip = %+v, %v", got, err)
	}
	if u.Default() {
		t.Fatal("manual is not the default")
	}
}

func TestDefaultIgnoresChannelAndControl(t *testing.T) {
	u := UpdateSettings{Updates: UpdatesAuto, Channel: "beta", Control: []string{ControlUpdates}}
	if !u.Default() {
		t.Fatal("auto with no major, pin or request is today's behaviour whatever the channel")
	}
}

func TestParseRefusesNonsense(t *testing.T) {
	for _, col := range []string{`{`, `{"updates":"sometimes"}`, `{"updates":"auto","major":-1}`, `{"updates":"auto","pin":"../x"}`} {
		if _, err := ParseUpdateSettings(col); err == nil {
			t.Errorf("%s was accepted", col)
		}
	}
}

func TestValidControl(t *testing.T) {
	if !ValidControl(nil) || !ValidControl([]string{"updates", "pin"}) || ValidControl([]string{"updates", "updates"}) || ValidControl([]string{"bake"}) {
		t.Fatal("ValidControl is wrong")
	}
}