package acp

import (
	"path/filepath"
	"sort"
	"testing"
)

func TestSourceRoot(t *testing.T) {
	root := string(filepath.Separator)
	job := Source(root)(new(wildcardJob))
	if len(job.src) != 1 {
		t.Fatalf("sources = %d", len(job.src))
	}

	src := job.src[0]
	if got := src.src(); got != root {
		t.Fatalf("source root = %q, want %q", got, root)
	}

	target := filepath.Join(root, "target")
	child := src.append("file")
	if got := child.src(); got != filepath.Join(root, "file") {
		t.Fatalf("child source = %q", got)
	}
	if got := child.dst(target); got != filepath.Join(target, "file") {
		t.Fatalf("child target = %q", got)
	}
}

func TestComparePath(t *testing.T) {
	paths := []string{
		"b",
		"a-b",
		filepath.Join("a", "b", "c"),
		"a",
		filepath.Join("a", "b"),
	}
	sort.Slice(paths, func(i, j int) bool { return comparePath(paths[i], paths[j]) < 0 })

	want := []string{
		"a",
		filepath.Join("a", "b"),
		filepath.Join("a", "b", "c"),
		"a-b",
		"b",
	}
	for idx := range want {
		if paths[idx] != want[idx] {
			t.Fatalf("paths[%d] = %q, want %q", idx, paths[idx], want[idx])
		}
	}
}