package version

import (
	"strings"
	"testing"
)

func TestFullVersion(t *testing.T) {
	v := FullVersion()
	if !strings.HasPrefix(v, Name) {
		t.Errorf("FullVersion should start with %s, got %s", Name, v)
	}
	if !strings.Contains(v, "v"+Version) {
		t.Errorf("FullVersion should contain v%s, got %s", Version, v)
	}
}

func TestFullVersionWithPrerelease(t *testing.T) {
	original := Prerelease
	Prerelease = "beta.1"
	defer func() { Prerelease = original }()

	v := FullVersion()
	if !strings.Contains(v, "beta.1") {
		t.Errorf("FullVersion should contain prerelease suffix, got %s", v)
	}
}

func TestFullVersionWithoutPrerelease(t *testing.T) {
	original := Prerelease
	Prerelease = ""
	defer func() { Prerelease = original }()

	v := FullVersion()
	if strings.Contains(v, "-") {
		t.Errorf("FullVersion should not contain prerelease suffix, got %s", v)
	}
}

func TestConstants(t *testing.T) {
	if Name == "" {
		t.Error("Name should not be empty")
	}
	if Version == "" {
		t.Error("Version should not be empty")
	}
	if Author == "" {
		t.Error("Author should not be empty")
	}
	if License == "" {
		t.Error("License should not be empty")
	}
}