package platform

import (
	"strings"
	"testing"
)

func TestParseDistroArch(t *testing.T) {
	osRelease := `NAME="Arch Linux"
ID=arch
ID_LIKE=archlinux
`
	if got := parseDistro(strings.NewReader(osRelease)); got != DistroArch {
		t.Fatalf("got %v", got)
	}
}

func TestParseDistroUbuntu(t *testing.T) {
	osRelease := `NAME="Ubuntu"
ID=ubuntu
`
	if got := parseDistro(strings.NewReader(osRelease)); got != DistroUnknown {
		t.Fatalf("got %v", got)
	}
}

func TestParseDistroQuoted(t *testing.T) {
	osRelease := `ID="arch"
`
	if got := parseDistro(strings.NewReader(osRelease)); got != DistroArch {
		t.Fatalf("got %v", got)
	}
}

func TestDetectReturnsArch(t *testing.T) {
	p, err := Detect()
	if err != nil {
		t.Fatal(err)
	}
	if p.Arch == "" {
		t.Fatal("arch is empty")
	}
	// We don't assert Distro here because the test host may not be Arch.
	// The parse-level tests above cover that logic.
}