package main

import (
	"slices"
	"strings"
	"testing"
)

func TestSubmodules(t *testing.T) {
	tests := []struct {
		name string
		file string
		subs []Submodule
	}{
		{
			name: "Empty submodules file",
			file: "",
			subs: []Submodule{},
		},
		{
			name: "Simple submodule",
			file: `[submodule "libfoo"]
             path = include/foo
             url = git://foo.com/git/lib.git

      [submodule "libbar"]
             path = include/bar
             url = git://bar.com/git/lib.git`,

			subs: []Submodule{
				{
					Name: "libfoo",
					Path: "include/foo",
					Url: "git://foo.com/git/lib.git",
				},
				{
					Name: "libbar",
					Path: "include/bar",
					Url: "git://bar.com/git/lib.git",
				},
			},
		},
	}

	for _, test := range tests {
		t.Run(test.name, func(t *testing.T) {
			mods, err := ParseSubmodules(strings.NewReader(test.file))
			if err != nil {
				t.Error("unexpected error:", err)
			}
			if !slices.Equal(mods, test.subs) {
				t.Error("expected", test.subs, "but got", mods)
			}
		})
	}
}