package main

import (
	"testing"
)

func isEqual(a, b []string) bool {

	if a == nil && b == nil {
		return true
	}

	if a == nil || b == nil {
		return false
	}

	if len(a) != len(b) {
		return false
	}

	for i := range a {
		if a[i] != b[i] {
			return false
		}
	}

	return true
}

func TestParsing(t *testing.T) {
	type source struct {
		URL       string
		Branch    string
		Protocols []string
	}

	urls := []string{
		"git+https://github.com/neovim/neovim.git",
		"git://github.com/jguer/yay.git#branch=master",
		"git://github.com/davidgiven/ack",
		"git://github.com/jguer/yay.git#tag=v3.440",
		"git://github.com/jguer/yay.git#commit=e5470c88c6e2f9e0f97deb4728659ffa70ef5d0c",
		"a+b+c+d+e+f://github.com/jguer/yay.git#branch=foo",
	}

	sources := []source{
		{"github.com/neovim/neovim.git", "HEAD", []string{"git", "https"}},
		{"github.com/jguer/yay.git", "master", []string{"git"}},
		{"github.com/davidgiven/ack", "HEAD", []string{"git"}},
		{"", "", nil},
		{"", "", nil},
		{"github.com/jguer/yay.git", "foo", []string{"a", "b", "c", "d", "e", "f"}},
	}

	for n, url := range urls {
		url, branch, protocols := parseSource(url)
		compare := sources[n]

		if url != compare.URL ||
			branch != compare.Branch ||
			!isEqual(protocols, compare.Protocols) {

			t.Fatalf("Test %d failed: Expected: url=%+v branch=%+v protocols=%+v\ngot url=%+v branch=%+v protocols=%+v", n+1, url, branch, protocols, compare.URL, compare.Branch, compare.Protocols)
		}
	}

}